US20230341168A1 - Remote heat exchanger unit with configurable air discharge of a transport climate control system - Google Patents

Remote heat exchanger unit with configurable air discharge of a transport climate control system Download PDF

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Publication number
US20230341168A1
US20230341168A1 US18/303,761 US202318303761A US2023341168A1 US 20230341168 A1 US20230341168 A1 US 20230341168A1 US 202318303761 A US202318303761 A US 202318303761A US 2023341168 A1 US2023341168 A1 US 2023341168A1
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United States
Prior art keywords
heat exchanger
air
exchanger unit
configurable
remote heat
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Pending
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US18/303,761
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English (en)
Inventor
Praveena Alangar Subrahmanya
Grant Mies NIEHAUS
Yirong Jiang
Eamonn T MEE
Thomas W. Kampf
Sumit PATWARDHAN
David J. Dykes
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Thermo King LLC
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Thermo King LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00014—Combined heating, ventilating, or cooling devices for load cargos on load transporting vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/003—Transport containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00514—Details of air conditioning housings
    • B60H1/00542—Modular assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00792—Arrangement of detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00842—Damper doors, e.g. position control the system comprising a plurality of damper doors; Air distribution between several outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3232—Cooling devices using compression particularly adapted for load transporting vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/20—Refrigerated goods vehicles
    • B60P3/205—Refrigerated goods vehicles with means for dividing the interior volume, e.g. movable walls or intermediate floors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00378—Air-conditioning arrangements specially adapted for particular vehicles for tractor or load vehicle cabins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H2001/00721—Air deflecting or air directing means

Definitions

  • the embodiments disclosed herein relate generally to a transport climate control system (TCS).
  • TCS transport climate control system
  • the embodiments described herein are directed to a configurable remote heat exchanger unit within a climate controlled space of a transport unit that deploys the TCS.
  • a transport climate control system is generally used to control an environmental condition (e.g., temperature, humidity, air quality, and the like) within a transport unit (e.g., a container (such as a container on a flat car, an intermodal container, etc.), a truck, a box car, or other similar transport unit).
  • a transport unit e.g., a container (such as a container on a flat car, an intermodal container, etc.), a truck, a box car, or other similar transport unit).
  • the transport unit can include a plurality of zones and the TCS can be a multi-zone TCS (MTCS) that is configured to provide independent climate control to each of the plurality of zones within the transport unit.
  • MTCS multi-zone TCS
  • the embodiments disclosed herein relate generally to a transport climate control system (TCS).
  • TCS transport climate control system
  • the embodiments described herein are directed to a configurable remote heat exchanger unit within a climate controlled space of a transport unit that deploys the TCS.
  • the embodiments described and recited herein pertain generally to implementing one or more remote heat exchanger units within a climate controlled space, with each of the remote heat exchanger units capable of dispensing a configurable airflow.
  • the embodiments described herein can allow for a configurable remote heat exchanger unit that can adjust airflow discharge arrangements to provide optimal airflow within a climate controlled space.
  • a customer can arrange an airflow discharge direction of a remote heat exchanger unit depending on a zone configuration of the climate controlled space or other customer requirements without substantial effort or requiring a service technician.
  • a configurable remote heat exchanger unit of a transport climate control system providing climate control within a climate controlled space of a transport unit.
  • the configurable remote heat exchanger unit includes an air intake, at least one heat exchanger coil over which air received through the air intake is directed to the air outlet, an air outlet, and a separable air duct system configured to variably direct conditioned air received from the air outlet out from the configurable remote heat exchanger unit.
  • a configurable air duct system of a remote heat exchanger unit includes at least one air receptacle to engage with a corresponding air outlet of a heat exchanger, and at least two configurable air ducts to cooperatively discharge air received from the heat exchanger via the at least one air receptacle.
  • the one or more of the configurable air ducts has a variable louver to regulate an airflow therethrough.
  • FIG. 1 shows a schematic cross sectional side view of a climate controlled transport unit, in accordance with one or more non-limiting example embodiments of a remote heat exchanger unit with configurable air discharge.
  • FIG. 2 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 2 B shows a schematic block diagram of a separable air duct system, in accordance with example embodiments described and recited herein.
  • FIG. 2 C shows example environments for the remote heat exchanger unit of FIG. 2 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 3 shows schematic block diagrams of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 4 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 4 B shows an example environment for the remote heat exchanger unit of FIG. 4 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 5 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 5 B shows an example environment for the remote heat exchanger unit of FIG. 5 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 6 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 6 B shows an example environment for the remote heat exchanger unit of FIG. 6 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 7 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 7 B shows an example environment for the remote heat exchanger unit of FIG. 7 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 8 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 8 B shows an example environment for the remote heat exchanger unit of FIG. 8 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 9 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 9 B shows an example environment for the remote heat exchanger unit of FIG. 9 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 10 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 10 B shows an example environment for the remote heat exchanger unit of FIG. 10 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 11 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 11 B shows a schematic block diagram of additional example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 11 C shows an example environment for the remote heat exchanger units of FIGS. 11 A and 11 B , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 12 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 12 B shows an example environment for the remote heat exchanger unit of FIG. 12 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 13 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 13 B shows an example environment for the remote heat exchanger unit of FIG. 13 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 14 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 14 B shows an example environment for the remote heat exchanger unit of FIG. 14 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 15 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 15 B shows an example environment for the remote heat exchanger unit of FIG. 15 A , in accordance with at least some of the embodiments described and recited herein.
  • FIG. 16 A shows a schematic block diagram of a remote heat exchanger unit for configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 16 B shows a schematic block diagram of an alternative configuration of the remote heat exchanger unit for configurable air discharge, in accordance with at least the example embodiment of FIG. 16 A .
  • FIG. 17 A shows a schematic block diagram of a remote heat exchanger unit bi-directional fans for configurable air discharge, in accordance with at least one other example embodiment described and recited herein.
  • FIG. 17 B shows a schematic block diagram of an alternative configuration of the remote heat exchanger unit for configurable air discharge, in accordance with at least the example embodiment of FIG. 17 A .
  • FIG. 18 A shows a side view of a schematic block diagram of a remote heat exchanger unit for configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 18 B shows a top view of a schematic block diagram of a remote heat exchanger unit for configurable air discharge, in accordance with at least the example embodiment of FIG. 18 A .
  • FIG. 19 A shows a side view of a schematic block diagram of a remote heat exchanger unit for configurable air discharge, in accordance with at least one other example embodiment described and recited herein.
  • FIG. 19 B shows a top view of a schematic block diagram of a remote heat exchanger unit for configurable air discharge, in accordance with at least the example embodiment of FIG. 19 A .
  • the embodiments disclosed herein relate generally to a transport climate control system (TCS).
  • TCS transport climate control system
  • the embodiments described herein are directed to a configurable remote heat exchanger unit within a climate controlled space of a transport unit that deploys the TCS.
  • a duct or an airflow that is illustrated as being directed to the left may be, in a non-limiting alternative embodiment, be directed to the right, and vice-versa. It will be appreciated that in other non-limiting embodiments, the duct or airflow can be directed in any direction desired for the specific implementation. Thus, it is understood that the quantity of permutations of embodiments in accordance with the example embodiments is considerable.
  • the embodiments described and recited herein pertain generally to providing a configurable remote heat exchanger unit in order to improve, or even optimize, air distribution within a given zone of the climate controlled space.
  • the embodiments include and provide configurable air flow directions for conditioned air exiting a remote heat exchanger unit, as well as improved or even optimized temperature distribution within the climate controlled space.
  • a TCS is generally used to control an environmental condition (e.g., temperature, humidity, air quality, and the like) within a transport unit (e.g., a container (such as a container on a flat car, an intermodal container, etc.), a truck, a box car, or other similar transport unit).
  • the transport unit can include a plurality of zones and the TCS can be a multi-zone TCS (MTCS). Each zone may require a climate condition (e.g., temperature, humidity, air quality, etc.) that is different from other zone(s).
  • the MTCS can be configured to provide independent climate control to each of the plurality of zones within the transport unit.
  • a MTCS may have one host unit and one or more remote heat exchanger units that are each configured to provide climate control to each of the one or more zones within the multi-zone transport unit.
  • a transport climate control unit (TCU) of the MTCS may include a compressor, an expansion valve, a first heat exchanger (e.g., condenser), and a host heat exchanger unit.
  • the host heat exchanger unit can include a second heat exchanger (e.g., a host heat exchanger), one or more fan(s) for providing climate control within the particular zone the host heat exchanger unit is located, one or more flow regulators (e.g., solenoid valve(s), etc.) for controlling the amount of working fluid (e.g., refrigerant) flow into the host heat exchanger unit, and one or more throttling devices (e.g., electronic throttling valve(s), etc.) for controlling the amount of working fluid flow available to a suction end of the compressor of the MTCS.
  • a second heat exchanger e.g., a host heat exchanger
  • one or more fan(s) for providing climate control within the particular zone the host heat exchanger unit is located
  • one or more flow regulators e.g., solenoid valve(s), etc.
  • throttling devices e.g., electronic throttling valve(s), etc.
  • Each remote heat exchanger unit may have a remote heat exchanger (e.g., a heat exchanger coil), one or more fan(s) for providing climate control within the particular zone the remote heat exchanger unit is located, one or more flow regulating devices (e.g., solenoid valve(s), etc.) for controlling the amount of working fluid flow into the remote heat exchanger unit, and one or more throttling devices (e.g., electronic throttling valve(s), etc.) for controlling the amount of working fluid flow available to a suction end of the compressor of the MTCS.
  • Each remote heat exchanger unit can be connected to the TCU via a common working fluid line.
  • One remote heat exchanger unit may be used to provide climate control for one zone of the transport unit.
  • the MTCS can be used to, for example, cool, heat, and defrost the two or more zones of the transport unit.
  • the remote heat exchanger unit may have two or more remote heat exchangers (e.g., a first heat exchanger coil and a second heat exchanger coil connected in parallel or in series).
  • the MTCS includes a working fluid circuit and a controller (e.g., a MTCS controller) that is configured to manage, command, direct, and regulate the behavior of one or more components of the working fluid circuit (e.g., an evaporator, a condenser, a compressor, an expansion device, etc.).
  • the MTCS controller can also be configured to manage, command, direct, and regulate the behavior of the host heat exchanger unit and the one or more remote heat exchanger units.
  • the MTCS generally may be a vapor-compressor type refrigeration system, or any other suitable climate control system that can use working fluid, cold plate technology, etc.
  • FIG. 1 illustrates one embodiment of a MTCS 100 for a transport unit (TU) 125 that can be towed, for example, by a tractor (not shown) in accordance with one or more non-limiting example embodiments of a remote heat exchanger unit with configurable air discharge.
  • the MTCS 100 includes a transport climate control unit (TCU) 110 that provides environmental control (e.g. temperature, humidity, air quality, etc.) within a climate controlled space 150 of the TU 125 .
  • the MTCS 100 also includes a MTCS controller 170 and one or more sensors (not shown) that are configured to measure one or more parameters of the MTCS 100 and communicate parameter data to the MTCS controller 170 .
  • the MTCS 100 is powered by a power source 112 .
  • the TCU 110 is disposed on a front wall 130 of the TU 125 . In other embodiments, it will be appreciated that the TCU 110 can be disposed, for example, on a rooftop 126 or another wall of the TU
  • the TU 125 shown in FIG. 1 is a trailer unit.
  • the embodiments described herein are not limited to trucks and trailer units, but can apply to any other type of transport unit (e.g., a container on a flat car, an intermodal container, etc.), a truck, a box car, or other similar transport unit.
  • the programmable MTCS Controller 170 that may comprise a single integrated control unit or may comprise a distributed network of TCS control elements. The number of distributed control elements in a given network can depend upon the particular application of the principles described herein.
  • the MTCS controller 170 is configured to control operation of the MTCS 100 .
  • the power source 112 is disposed in the TCU 110 .
  • the power source 112 can be separate from the TCU 110 .
  • the power source 112 can include two or more different power sources disposed within or outside of the TCU 110 .
  • the power source 112 can include a combustion engine, a battery, an alternator, a generator, a solar panel, a fuel cell, etc.
  • a combustion engine that can be, for example, a two speed engine, a variable speed engine, etc.
  • the climate controlled space 150 is divided into a plurality of zones 152 .
  • the term “zone” means a part of an area of the climate controlled space 150 separated by walls 175 .
  • each of the zones 152 can maintain a set of environmental condition parameters (e.g. temperature, humidity, air quality, etc.) that is independent from other zones 152 .
  • the climate controlled space 150 is divided into three zones: a first zone 152 a ; a second zone 152 b ; and a third zone 152 c .
  • Each of the zones 152 shown in FIG. 1 is divided into substantially equal areas.
  • the climate controlled space 150 may be divided into any number of zones in any size configuration that is suitable for environmental control of the different zones.
  • the MTCS 100 is configured to control and maintain separate environmental condition requirements in each of the zones 152 .
  • the MTCS 100 includes a host heat exchanger unit 111 provided within the TCU 110 for providing climate control within the first zone 152 a and a plurality of remote heat exchanger units 180 disposed in the TU 125 . Namely a first remote heat exchanger unit 180 a is disposed in the second zone 152 b and a second remote heat exchanger unit 180 b is disposed in the third zone 152 c .
  • the host heat exchanger unit 111 and the remote heat exchanger units 180 are collectively referred to herein as heat exchange units.
  • each of the first zone 152 a , the second zone 152 b , and the third zone 152 c can be either a frozen temperature zone operating to maintain a temperature set point within a frozen temperature range or a fresh temperature zone operating to maintain a temperature set point within a fresh temperature range.
  • the frozen temperature range can be between about ⁇ 25° F. to about 15° F. and the fresh temperature range can be between about 16° F. to about 90° F.
  • the frozen temperature range can be between about ⁇ 25° F. to about 24° F. and the fresh temperature zone can be between about 26° F. to about 90° F.
  • any of the first, second and third zones 152 a - c can be a fresh temperature zone operating to maintain a temperature set point within a fresh temperature range or a frozen temperature zone operating to maintain a temperature set point within a frozen temperature range.
  • Each remote heat exchanger unit 180 a , 180 b is fluidly connected to the host heat exchanger unit 111 .
  • the host heat exchanger unit 111 and each remote heat exchanger unit 180 a , 180 b may include one or more heat exchanger coils, one or more fan(s) for providing climate control within the particular zone the heat exchanger unit is located, one or more flow regulators (e.g., solenoid valve(s), etc.) for controlling the amount of working fluid flow into the heat exchanger unit, and one or more throttling devices (e.g., electronic throttling valve(s), etc.) for controlling the amount of working fluid flow available to a suction end of the compressor of the MTCS 100 .
  • one or more heat exchanger coils e.g., one or more fan(s) for providing climate control within the particular zone the heat exchanger unit is located
  • one or more flow regulators e.g., solenoid valve(s), etc.
  • throttling devices e.g., electronic
  • the heat exchange units can operate in a plurality of operational modes (e.g., a NULL mode, a running NULL mode, a COOL mode, a HEAT mode, a DEFROST mode, a low fan speed mode, a high fan speed mode, a high engine speed mode, a low engine speed mode, etc.).
  • a NULL mode e.g., a NULL mode, a running NULL mode, a COOL mode, a HEAT mode, a DEFROST mode, a low fan speed mode, a high fan speed mode, a high engine speed mode, a low engine speed mode, etc.
  • remote heat exchanger units 180 a , 180 b are described below with respect to FIGS. 2 A- 15 B .
  • FIG. 2 A shows a schematic block diagram of example architectures of a remote heat exchanger unit 200 with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 2 A shows configured views for example Examples (i)-(iv) for variable configurations of remote heat exchanger unit 200 , as described below.
  • a non-limiting example embodiment of remote heat exchanger unit 200 may include an air intake, e.g., bottom air intake 202 A or top air intake 202 B; at least one heat exchanger coil 205 over which air received through one or both of air intake 202 A or 202 B is directed to air outlet 212 ; one or more fans, e.g., fans 210 A and 210 B, to direct air received through at least one air intake 202 A, 202 B over the at least one heat exchanger coil 205 ; and a separable air duct system 215 to variably direct conditioned air received from the air outlet 212 out from the remote heat exchanger unit 200 .
  • an air intake e.g., bottom air intake 202 A or top air intake 202 B
  • at least one heat exchanger coil 205 over which air received through one or both of air intake 202 A or 202 B is directed to air outlet 212
  • one or more fans e.g., fans 210 A and 210 B, to direct air received through at least one air intake
  • Air intake 202 which may alternatively be referred to as an air return inlet, may refer to one or more openings through which air is received into remote heat exchanger unit 200 .
  • an embodiment of remote heat exchanger unit 200 may include at least one of bottom air intake 202 A, which is disposed on a bottom portion of remote heat exchanger unit 200 , and top air intake 202 B, which is disposed on a top portion of remote heat exchanger unit 200 .
  • the embodiments described, recited, and even suggested herein are not so limited, though.
  • Air intake 202 may also be disposed on any surface of remote heat exchanger unit 200 , e.g., a lateral side surface, especially as remote heat exchanger unit 200 is not limited to square or rectangular configurations.
  • Heat exchanger coil 205 may refer to one or more heat exchanger coils disposed within remote heat exchanger unit 200 to receive air from the conditioned space, as blown by an heat exchanger blower (not shown) and re-condition the received air as it blows over heat exchanger coil 205 . The re-conditioned air may then be directed to air outlet 212 .
  • each embodiment of heat exchanger coil 205 may be understood to have associated therewith a corresponding drain pain, heating system, liquid line solenoid valve, blower, etc.
  • Fan 210 may refer to a fan to blow air, received through one or more of air intakes 202 , across one or more of heat exchanger coils 205 towards air outlet 212 .
  • bi-directional fan 210 may rotate either in a clockwise direction or a counter-clockwise direction.
  • bi-directional fan 210 may have symmetrical fan blades to thereby effectively control the direction of airflow influenced by bi-directional fan 210 , dependent upon, for example, a rotational direction of the fan blades.
  • Air outlet 212 may refer to an opening in remote heat exchanger unit 200 to regulate, in part, the exhausting of conditioned air from remote heat exchanger unit 200 . Accordingly, climate controlled air (e.g., cooled air, heated air, etc.) exiting air outlet 212 may be directed back into the conditioned space, where it will undergo a heat exchange with air from the climate controlled space and maintain the climate controlled space at the desired temperature.
  • remote heat exchanger unit 200 may have one or more air outlets 212 .
  • remote heat exchanger unit 200 may include an air outlet 212 corresponding to each of the multiple heat exchanger coils 205 .
  • Separable air duct system 215 may refer to a duct system that facilitates configurable airflow direction based on a disposition of heat exchanger coil 205 in its environment, e.g., within the climate controlled space.
  • Air duct intake openings 220 may refer to openings in separable air duct system 215 through which, respectively, air directed over heat exchanger coil 205 and through air outlet 212 may be directed into the environment of remote heat exchanger unit 200 in desired directions.
  • FIG. 2 A-i through FIG. 2 A -iv include one heat exchanger coil 205 .
  • Air discharged from air outlet 212 may be directed to separable air duct system 215 , which has, e.g., air outlets 2160 A, 2160 B, and 2160 C.
  • Example FIG. 2 A-i shows separable air duct system 215 configured to discharge air from air outlet 212 from a single opening, e.g., opening 2160 A, by blocking airflow at any two of openings 2160 A, 2160 B, and 2160 C. In the figure, opening 2160 C is blocked.
  • Example FIG. 2 A -ii shows separable air duct system 215 configured to discharge air from air outlet 212 from all available openings, e.g., openings 2160 A-C, by opening all of openings 2160 A-C.
  • Example FIG. 2 A -iii shows separable air duct system 215 configured to discharge air from air outlet 212 from opposing lateral openings, e.g., openings 2160 A and B, by blocking any one of openings 2160 A-C. In the figure, opening 2160 B is blocked.
  • Example FIG. 2 A -iv shows a side view of remote heat exchanger unit 200 .
  • FIG. 2 B shows a schematic block diagram of separable air duct system 215 , in accordance with example embodiments described and recited herein.
  • a non-limiting example embodiment of separable air duct system 215 may include, e.g., air duct intake openings 220 A-C, ducts 2150 A-C, guide vanes 2155 A-C, and air duct outlet openings 2160 A—C.
  • Air duct intake openings 220 A-C may refer to openings on separable air duct system 215 that may connect to air outlet 212 corresponding to remote heat exchanger unit 200 .
  • Separable air duct system 215 may be sealed, attached, or otherwise connected to remote heat exchanger unit 200 such that substantially all air flowing through air outlet 212 is directed into separable air duct system 215 , more particularly into one or more of air duct intake openings 220 A-C.
  • air outlet 212 may be comprised of a series of openings to which, e.g., each of air duct intake openings 220 A-C are sealed, attached, or otherwise connected; or air outlet 212 may be configured as a singular opening, over portions of which one or more of air duct intake openings 220 A-C are sealed, attached, or otherwise connected.
  • one or more of air outlets 212 A—C may have attached thereto louver or damper 2175 A-C, which may be variably opened or closed to regulate air flow from the respective air duct outlet opening either manually or in an automated manner.
  • each occurrence of one or more of air outlets 212 being described as closed may be understood to mean that corresponding damper 2175 has been closed or maintained as closed.
  • each occurrence of one or more of air outlets 212 being described as open may be understood to mean that corresponding damper 2175 has been opened or maintained as open. It will be appreciated that the dampers 2175 can be either manually, mechanically or electronically actuated to open or close.
  • each occurrence of one or more of air duct openings 2160 being described as closed may be understood to mean a corresponding damper (not shown) has been closed or maintained as closed.
  • each occurrence of one or more of air duct openings 2160 being described as open may be understood to mean that a corresponding damper (not shown) has been opened or maintained as open.
  • Ducts 2150 A-C may each be regarded as conduits or passages through which air receives from remote heat exchanger unit 200 , via air outlet 212 , may be exhausted from air duct intake openings 220 A-C to air duct outlet openings 2160 A-C, respectively.
  • one or more of ducts 2150 A-C may be made of a rigid material or, alternatively, a flexible and configurable material.
  • a particular one of ducts 2150 A-C may be configured to change a direction to which air flowing therethrough is exhausted; and a particular one of ducts 2150 A-C may be configured to affect the velocity of the air flowing therethrough by expanding or contracting.
  • Guide vanes 2155 A-C may be flexible or configurable materials disposed within at least a portion of one or more of ducts 2150 A-C as an alternate or additional means to affect the velocity of the air exhausted from the respective duct.
  • Air duct outlet openings 2160 A-C may be openings of respective ones of ducts 2150 A-C that may or may not be sealed, attached, or otherwise connected to a shell of remote heat exchanger unit 200 , and through which air may be exhausted to the environment of remote heat exchanger unit 200 .
  • FIG. 2 C shows an example environment for the remote heat exchanger unit 200 of FIG. 2 A , in accordance with at least some of the embodiments described and recited herein. Further, FIG. 2 C shows Examples 2 C-i and 2 C-ii for deployment of remote heat exchanger unit 200 .
  • transport unit 20 may be attached to and configured to be towed by a tractor (not shown).
  • transport unit 20 may be a trailer, though the embodiments described herein are not limited to a trailer, but may apply to any type of non-passenger transport unit (e.g., a truck, a container (such as a container on a flat car, an intermodal container, a marine container, etc.), a box car, a semi-tractor, other similar transport unit, or even passenger vehicles, e.g., mass transit buses, etc.
  • non-passenger transport unit e.g., a truck, a container (such as a container on a flat car, an intermodal container, a marine container, etc.), a box car, a semi-tractor, other similar transport unit, or even passenger vehicles, e.g., mass transit buses, etc.
  • transport unit 20 may include one or more of walls 25 depending on factors including, but not limited to, types of cargo, quantities of the various types of cargo, temperature requirements for maintaining the various types of cargo, etc. Therefore, the respective sizes and temperature requirements for climate controlled zones 20 A-C may vary, with the sizes thereof being changed by placement of respective ones of walls 25 A and B.
  • a non-limiting example of embodiment of transport unit 20 may include climate controlled zones 20 A, 20 B, and 20 C, as well as walls or barriers 25 A and 25 B.
  • climate controlled zones 20 A, 20 B, and 20 C may include climate controlled zones 20 A, 20 B, and 20 C, as well as walls or barriers 25 A and 25 B.
  • none of the embodiments depicted, described, or recited herein are so limited with regard to the quantity thereof, as shown and disclosed relative to the various embodiments of transport unit 20 . Therefore, unless context otherwise requires, the description and recitation herein may refer to climate controlled zones as well as walls or barriers in the singular, e.g., climate controlled zones 20 A-C, wall or walls 25 , or barrier or barriers 25 , without limiting the scope of any of the embodiments depicted, described, or recited herein.
  • barriers 25 A and B as well as climate controlled zones 20 A-C, may be applied throughout all embodiments described, recited, and even suggested herein.
  • Example FIG. 2 C-i shows one embodiment of remote heat exchanger unit 200 in zone 20 B, with separable air duct system 215 configured to discharge air from air outlet 212 from opposing lateral openings, e.g., openings 2160 A and C, by blocking one or both of air outlet 212 B or opening 2160 B; and another embodiment of remote heat exchanger unit 200 in zone 20 C, with separable air duct system 215 configured to discharge air from air outlet 212 from openings 2160 B and C by blocking one or both of air outlet 212 A or opening 2160 A.
  • Example FIG. 2 C -ii shows one embodiment of remote heat exchanger unit 200 in zone 20 B, with separable air duct system 215 configured to discharge air from air outlet 212 from all available openings, e.g., openings 2160 A-C, by opening all of air outlets 212 and openings 2160 A-C; and another embodiment of remote heat exchanger unit 200 in zone 20 C, with separable air duct system 215 configured to discharge air from air outlet 212 B by blocking one or both of air outlet 212 A and opening 2160 A, as well as one or both of air outlet 212 B or opening 2160 C.
  • FIG. 3 shows schematic block diagrams of example architectures of a remote heat exchanger unit 200 with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 3 shows configured views for Examples FIG. 3 A through FIG. 3 F for variable configurations of remote heat exchanger unit 200 , as described below.
  • FIG. 3 A through FIG. 3 F pertain to a non-limiting example embodiment of remote heat exchanger unit 200 that may include bottom air intake 202 A; heat exchanger coils 205 A and 205 B over which air received through air intake 202 A directed outward; fans 210 A and 210 B to direct air received through air intake 202 A over heat exchanger coils 205 ; and separable air duct system 215 .
  • Example FIG. 3 A shows a side view of a non-limiting example embodiment of remote heat exchanger unit 200 .
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over each of heat exchanger coils 205 .
  • the example embodiment depicts heat exchanger coils 205 on opposing sides of fans 210 , implying a separation of about 180°, the example is non-limiting.
  • Multiple heat exchanger coils 205 within an embodiment of remote heat exchanger unit 200 may be separated in varying configurations.
  • remote heat exchanger unit 200 may include an air outlet 212 for each of the multiple heat exchanger coils 205 .
  • Example FIG. 3 A shows separable air duct system 215 disposed on top of remote heat exchanger unit 200 , air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through a corresponding one of air outlets 212 ; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 B, via air duct outlet 212 , by blocking openings 2160 A and 2160 C (not shown).
  • Example FIG. 3 B shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which one or more of fans 210 A and B draws air from environment into bottom air intake 202 A and over each of heat exchanger coils 205 A and B.
  • Heat exchanger coils 205 A and B are disposed on opposing sides of fans 210 .
  • Air duct system 215 is disposed on a side of remote heat exchanger unit 200 so as to receive air from air outlet 212 B corresponding to heat exchanger coil 205 B.
  • air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is exhausted from remote heat exchanger unit 200 through opening 2160 B, via outlet 212 B, by blocking openings 2160 A and 2160 C (not shown).
  • Example FIG. 3 C shows a side view of a non-limiting example embodiment of remote heat exchanger unit 200 .
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over each of heat exchanger coils 205 .
  • Remote heat exchanger unit 200 may include an air outlet 212 for each of heat exchanger coils 205 A and 205 B.
  • Separable air duct system 215 is disposed on top of remote heat exchanger unit 200 , and air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlets 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through corresponding air outlets 212 B. That is, one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 C or duct opening 2160 C is blocked.
  • Example FIG. 3 D shows a shows a side view of a non-limiting example embodiment of remote heat exchanger unit 200 in which one or more of fans 210 draws air from environment into top air intake 202 B and over each of heat exchanger coils 205 A and 205 B.
  • Separable air duct system 215 is disposed beneath remote heat exchanger unit 200 , and air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through a corresponding one of air outlets 212 ; and air that is blow by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 B, via outlet 212 , by blocking one or both of air outlet 212 A or air duct opening 2160 A and one or both of air outlet 212 C or 2160 C (not shown).
  • Example FIG. 3 E shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which one or more of fans 210 draws air from environment into top air intake 202 B and over each of heat exchanger coils 205 .
  • Heat exchanger coils 205 are disposed on opposing sides of fans 210 .
  • Air duct system 215 is disposed beneath remote heat exchanger unit 200 so as to receive air from air outlet 212 B corresponding to heat exchanger coil 205 B.
  • air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A and air duct opening 2160 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 B, via outlet 212 B, by blocking openings one or both of air outlet 212 A or air duct opening 2160 A and one or more of air outlet 212 A or air duct opening 2160 C (not shown).
  • Example FIG. 3 F shows a side view of a non-limiting example embodiment of remote heat exchanger unit 200 .
  • one or more of fans 210 draws air from environment into top air intake 202 B and over each of heat exchanger coils 205 .
  • Remote heat exchanger unit 200 may include an air outlet 212 for each of heat exchanger coils 205 A and 205 B.
  • Separable air duct system 215 is disposed beneath remote heat exchanger unit 200 , and air that is blown by one or more of fans 210 over heat exchanger coil 205 A may be discharged from remote heat exchanger unit 200 through corresponding air duct opening 2160 A, via air outlet 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through corresponding air duct opening 2160 B, via air outlet 212 B. That is, one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 B or duct opening 2160 B is blocked.
  • FIG. 4 A shows a schematic block diagram of example architectures of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 4 Ai through FIG. 4 A -iv pertain to a non-limiting example embodiment of remote heat exchanger unit 200 that may include bottom air intake 202 A; heat exchanger coils 205 A and 205 B over which air received through air intake 202 A directed outward; fans 210 A and 210 B to direct air received through bottom air intake 202 A over heat exchanger coils 205 ; and separable air duct system 215 , which is configured to cover three of four lateral sides of remote heat exchanger unit 200 .
  • Example FIG. 4 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 .
  • one or both of fans 210 A and B draws air from environment into bottom air intake 202 A and over each of heat exchanger coils 205 A and B.
  • the example embodiment depicts heat exchanger coils 205 A and B on opposing sides of fans 210 A and B, implying a separation of about 180°, the example is non-limiting.
  • Multiple heat exchanger coils 205 within an embodiment of remote heat exchanger unit 200 may be separated in varying configurations.
  • remote heat exchanger unit 200 may include air outlets 212 A and B, respectively, for heat exchanger coils 205 A and 205 B.
  • Example FIG. 4 A-i shows separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 , air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A and air duct opening 2160 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 C, via outlet 212 C, by blocking one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 B or duct opening 2160 B.
  • Example FIG. 4 A -ii shows a side view of the non-limiting example embodiment of remote heat exchanger unit 200 from Example (i) of FIG. 4 A .
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over heat exchanger coil 205 A.
  • Example FIG. 4 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which one or more of fans 210 A and B draws air from environment into bottom air intake 202 A and over both of heat exchanger coils 205 A and 205 B. Heat exchanger coils 205 A and B are disposed on opposing sides of fans 210 .
  • Air duct system 215 is U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 ; air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through air outlets 212 A and B as well as openings 2160 A and B, by blocking one or both of air outlet 212 C or duct opening 2160 C.
  • ducts may be made of a flexible and configurable material.
  • air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through openings 2160 A and B, via a corresponding outlet 212 , through flexible ducts 2150 A and 2150 B so as to exit remote heat exchanger unit 200 in an air flow that is adjacent to the air flow exiting from outlet 212 A corresponding to heat exchanger coil 205 A.
  • Example FIG. 4 A -iv shows a side view of the non-limiting example embodiment of remote heat exchanger unit 200 from Example FIG. 4 A -iii.
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over heat exchanger coil 205 A.
  • FIG. 4 B shows an example environment for the remote heat exchanger unit of FIG. 4 A , in accordance with at least some of the embodiments described and recited herein.
  • transport unit 20 is attached to and configured to be towed by a tractor (not shown). Within transport unit 20 are movable walls or barriers 25 A and 25 B. Further, as depicted and as previously described, a non-limiting example of embodiment of transport unit 20 includes climate controlled zones 20 A, 20 B, and 20 C, configured by walls or barriers 25 A and 25 B.
  • Example FIG. 4 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Example FIG. 4 A-i , i.e., separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 ; air that is blown by one or more of fans 210 over heat exchanger coil 205 A or discharged from remote heat exchanger unit 200 through corresponding air outlet 212 ; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 C, via outlet 212 C, by blocking one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 B or duct opening 2160 B.
  • separable air duct system 215 configured as in Example FIG. 4 A-i , i.e., separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchange
  • Example FIG. 4 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Example FIG. 4 A -iii, i.e., separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 , air that has been blown by one or more of fans 210 over heat exchanger coil 205 A being discharged from remote heat exchanger unit 200 through corresponding air outlet 212 ; and air that has been blown by one or more of fans 210 over heat exchanger coil 205 B being discharged from remote heat exchanger unit 200 through openings 2160 A and B, via outlet 212 , by blocking one or both of air outlet 212 C or duct opening 2160 C.
  • separable air duct system 215 configured as in Example FIG. 4 A -iii, i.e., separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 , air that
  • FIG. 5 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • FIG. 5 A-i through FIG. 5 A -iv pertain to a non-limiting example embodiment of remote heat exchanger unit 200 that may include bottom air intake 202 A; heat exchanger coils 205 A and 205 B over which air received through air intake 202 A directed outward; fans 210 A and 210 B to direct air received through bottom air intake 202 A over heat exchanger coils 205 A and B; and separable air duct system 215 , which is configured to cover three of four lateral sides of remote heat exchanger unit 200 .
  • Example FIG. 5 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 .
  • one or more of fans 210 A and B draws air from environment into bottom air intake 202 A and over both of heat exchanger coils 205 A and B.
  • Multiple heat exchanger coils 205 within an embodiment of remote heat exchanger unit 200 may be separated in varying configurations, as described previously.
  • remote heat exchanger unit 200 may include an air outlets 212 A and B corresponding respectively to heat exchanger coils 205 A and 205 B.
  • Example FIG. 5 A-i shows separable air duct system 215 being L-shaped to cover two adjacent sides of remote heat exchanger unit 200 , air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A and air duct opening 2160 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 A, via outlet 212 A, by blocking one or both of air outlet 212 B or duct opening 2160 B and one or both of air outlet 212 C or duct opening 2160 C (not shown).
  • Example FIG. 5 A -ii shows a side view of the non-limiting example embodiment of remote heat exchanger unit 200 from Example FIG. 5 A-i .
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over heat exchanger coil 205 A.
  • Example FIG. 5 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which one or more of fans 210 draws air from environment into bottom air intake 202 A and over both of heat exchanger coils 205 A and 205 B. Heat exchanger coils 205 A and B are disposed on opposing sides of fans 210 .
  • Air duct system 215 is L-shaped to cover two adjacent lateral sides of remote heat exchanger unit 200 ; air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 and duct opening 2160 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through duct opening 2160 B, via air outlet 212 , by blocking one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 B or duct opening 2160 B (not shown).
  • air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 B, via outlet 212 B, through flexible ducts 2150 B so as to exit remote heat exchanger unit 200 in an air flow that is adjacent to the air flow exiting from air outlet 212 corresponding to heat exchanger coil 205 A.
  • Example FIG. 5 A -iv shows a side view of the non-limiting example embodiment of remote heat exchanger unit 200 from Example FIG. 5 A -iii.
  • one or more of fans 210 draws air from environment into bottom air intake 202 A and over heat exchanger coils 205 A and 205 B, and discharges the air through air duct openings 212 A and B respectively corresponding to the heat exchanger coils.
  • FIG. 5 B shows an example environment for the remote heat exchanger unit of FIG. 5 A , in accordance with at least some of the embodiments described and recited herein.
  • transport unit 20 is attached to and configured to be towed by a tractor (not shown). Within transport unit 20 are movable walls or barriers 25 A and 25 B. Further, as depicted and as previously described, a non-limiting example of embodiment of transport unit 20 may include climate controlled zones 20 A, 20 B, and 20 C, configured by walls or barriers 25 A and 25 B.
  • Example FIG. 5 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Example FIG. 5 A-i , i.e., separable air duct system 215 being L-shaped to cover adjacent lateral sides of remote heat exchanger unit 200 ; air that is blown by one or more of fans 210 over heat exchanger coil 205 A is discharged from remote heat exchanger unit 200 through corresponding air outlet 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B is discharged from remote heat exchanger unit 200 through opening 2160 C, via outlet 212 , by blocking one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 B or duct opening 2160 B.
  • separable air duct system 215 configured as in Example FIG. 5 A-i , i.e., separable air duct system 215 being L-shaped to cover adjacent lateral sides of remote heat exchanger unit 200
  • Example FIG. 5 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Example FIG. 5 A -iii, i.e., separable air duct system 215 being U-shaped to cover three of four lateral sides of remote heat exchanger unit 200 , air that is blown by one or more of fans 210 over heat exchanger coil 205 A is from remote heat exchanger unit 200 through corresponding air outlet 212 A; and air that is blown by one or more of fans 210 over heat exchanger coil 205 B being discharged from remote heat exchanger unit 200 through opening 2160 B, via outlet 212 B, by blocking one or both of air outlet 212 A or duct opening 2160 A and one or both of air outlet 212 C or duct opening 2160 C (not shown).
  • separable air duct system 215 configured as in Example FIG. 5 A -iii, i.e., separable air duct system 215 being U-shaped to cover three of four
  • FIG. 6 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 6 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which two non-aligned heat exchanger coils 205 are separated by a partition wall to separate respective corresponding airflow streams.
  • the embodiments of remote heat exchanger unit 200 are configured to have a dual-side airflow discharge.
  • the dual-side airflow discharge is implemented by positioning fan 210 A to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of heat exchanger coil 205 A as outlet 212 A; and by maintaining fan 210 B in its centralized position.
  • Example FIG. 6 A -ii shows a side view of the embodiment of Example FIG. 6 A-i , by which fans 210 draw air from environment into bottom air take 202 .
  • Example FIG. 6 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which two non-aligned heat exchanger coils 205 A and B are separated by a partition wall to separate respective corresponding airflow streams.
  • the embodiment of remote heat exchanger unit 200 is configured to have a single-side airflow discharge.
  • the single-side airflow discharge is implemented by positioning fan 210 A to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of heat exchanger coil 205 A as outlet 212 A; and by maintaining fan 210 B in its centralized position.
  • Example FIG. 6 A -iv shows a side view of the embodiment of Example FIG. 6 A -iii, by which fans 210 draw air from environment into bottom air take 202 A.
  • FIG. 6 B shows an example environment for the remote heat exchanger unit of FIG. 6 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 6 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 6 A-i and FIG. 6 A -ii, i.e., dual-side airflow discharge. Further, Example FIG. 6 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Examples FIG. 6 Ai and FIG. 6 A -ii, i.e., single-side airflow discharge.
  • FIG. 7 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 7 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 straddles a partition wall disposed to separate respective corresponding airflow streams.
  • the embodiment of remote heat exchanger unit 200 is configured to have a dual-side airflow discharge.
  • the dual-side airflow discharge is implemented by positioning fan 210 A to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of heat exchanger coil 205 A as outlet 212 A, and closing air outlet 212 B on the respective side of the partition; and by similarly positioning fan 210 B to be adjacent to an opposing end of remote heat exchanger unit 200 , relative to fan 210 A and outlet 212 B, and closing outlet 212 A on the respective side of the partition.
  • Example FIG. 7 A -ii shows a side view of the embodiment of Example FIG. 7 A-i , by which fans 210 draw air from environment into bottom air take 202 .
  • Example FIG. 7 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 straddles a partition wall to separate respective corresponding airflow streams.
  • the embodiment of remote heat exchanger unit 200 is configured to have a single-side airflow discharge.
  • the single-side airflow discharge is implemented by positioning fans 210 A and 210 B to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of respective outlet 212 A and 212 B, thus blowing air over heat exchanger coil 205 and through the respective openings 212 .
  • Example FIG. 7 A -iv shows a side view of the embodiment of Example FIG. 7 A -iii, by which fans 210 draw air from environment into bottom air take 202 .
  • FIG. 7 B shows an example environment for the remote heat exchanger unit of FIG. 7 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 7 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 7 A-i and FIG. 7 A -ii, i.e., dual-side airflow discharge. Further, Example FIG. 7 A-v also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Examples FIG. 7 A-i and FIG. 7 A -ii, i.e., single-side airflow discharge.
  • FIG. 8 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 8 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A and 205 B are disposed on opposite sides of a partition wall disposed to separate respective corresponding airflow streams.
  • the embodiment of remote heat exchanger unit 200 is configured to have a dual-side airflow discharge.
  • the dual-side airflow discharge is implemented by positioning fan 210 A to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of heat exchanger coil 205 A as outlet 212 A, and closing the opposing outlet 212 B on the respective side of the partition; and by similarly positioning fan 210 B to be adjacent to an opposing end of remote heat exchanger unit 200 , on an opposite side of heat exchanger coil 205 B, relative to fan 210 A and outlet 212 B, and closing the opposing outlet 212 A on the respective side of the partition.
  • Example FIG. 8 A -ii shows a side view of the embodiment of Example FIG. 8 A-i , by which fans 210 draw air from environment into bottom air take 202 .
  • Example FIG. 8 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A and 205 B are disposed on opposite sides of a partition wall disposed to separate respective corresponding airflow stream.
  • the embodiment of remote heat exchanger unit 200 is configured to have a single-side airflow discharge.
  • the single-side airflow discharge is implemented by positioning fans 210 A and 210 B to be adjacent to a rear portion of remote heat exchanger unit 200 , on an opposite side of respective outlets 212 A and 212 B with heat exchanger coils 205 A and 205 B disposed therebetween, thus blowing air over heat exchanger coil 205 and through the respective openings 212 .
  • Example FIG. 8 A -iv shows a side view of the embodiment of Example FIG. 8 A -iii, by which fans 210 draw air from environment into bottom air take 202 .
  • FIG. 8 B shows an example environment for the remote heat exchanger unit of FIG. 8 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 8 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 8 A-i and FIG. 8 A -ii, i.e., dual-side airflow discharge. Further, Example (v) also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Examples FIG. 8 A-i and FIG. 8 A -ii, i.e., single-side airflow discharge.
  • FIG. 9 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 9 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 A is disposed on an opposite side of a partition wall disposed to separate respective corresponding airflow streams as heat exchanger coils 205 B and 205 C.
  • the embodiments of remote heat exchanger unit 200 may be configured to have a dual-side airflow discharge, with heat exchanger coil 205 A being in one air stream and heat exchanger coils 205 B and 205 C being in the other air stream.
  • the air stream with heat exchanger coils 205 B and 205 C may be configured to have a single side airflow discharge or a dual-side airflow discharge.
  • the dual side airflow discharge may be implemented by blocking airflow from fan 210 B to heat exchanger coil 205 B with a partition, and closing a corresponding liquid line solenoid valve working fluid to heat exchanger coils 205 B.
  • the partition may be a plastic or metal plate or a damper.
  • heat exchanger coil 205 A is positioned to be adjacent to a rear portion of remote heat exchanger unit 200 , adjacent to outlet 212 A, with fan 210 A centrally disposed; and by centrally positioning fan 210 B between heat exchanger coil 205 B and heat exchanger coil 205 C, with outlet 212 B adjacent to heat exchanger coil 205 C.
  • Example FIG. 9 A -ii shows a side view of the embodiment of Example FIG. 9 A-i , by which fans 210 draw air from environment into bottom air take 202 .
  • Example FIG. 9 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 A is disposed on an opposite side of a partition wall disposed to separate respective corresponding airflow streams as heat exchanger coils 205 B and 205 C.
  • the single side discharge may be implemented by blocking airflow from fan 210 B to heat exchanger coil 205 C with a partition, and closing a corresponding liquid line solenoid valve working fluid flow to heat exchanger coil 205 C.
  • a limit switch may be utilize to sense the airflow blockage location and to control the liquid line solenoid valve.
  • heat exchanger coil 205 A is positioned to be adjacent to a rear portion of remote heat exchanger unit 200 , adjacent to outlet 212 A, with fan 210 A centrally disposed; and by centrally positioning fan 210 B between heat exchanger coil 205 B and heat exchanger coil 205 C, with outlet 212 B adjacent to heat exchanger coil 205 B.
  • Example FIG. 9 A -iv shows a side view of the embodiment of Example FIG. 9 A -iii, by which fans 210 draw air from environment into bottom air take 202 .
  • FIG. 9 B shows an example environment for the remote heat exchanger unit of FIG. 9 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 9 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples (i) and (ii) of FIG. 9 A , i.e., dual-side airflow discharge. Further, Example FIG. 9 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in FIG. 9 A-i and FIG. 9 A -ii, i.e., single-side airflow discharge.
  • FIG. 10 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 10 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 A is disposed in a same airflow stream as heat exchanger coil 205 B.
  • the dual-side airflow discharge may be implemented by positioning heat exchanger coil 205 A to be adjacent to a rear portion of remote heat exchanger unit 200 , adjacent to outlet 212 A, with fans 210 A and 210 B centrally disposed and heat exchanger coil 205 B adjacent to outlet 212 B, and opening liquid line solenoid valve working fluid flow to heat exchanger coils 205 A and 205 B.
  • Example FIG. 10 A -ii shows a side view of the embodiment of Example FIG. 10 A-i , by which fans 210 draw air from environment into bottom air take 202 A.
  • Example FIG. 10 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coil 205 A is disposed in a same airflow stream as heat exchanger coil 205 B.
  • the single-side airflow discharge may be implemented by blocking airflow to either heat exchanger coils 205 A or 205 B with a partition and closing the corresponding liquid line solenoid valve working fluid flow to the blocked heat exchanger coil.
  • the partition may be a plastic or metal plate or a damper.
  • a limit switch may be utilized to sense airflow block and to control the liquid line solenoid valve.
  • Example FIG. 10 A -iv shows a side view of the embodiment of Example FIG. 10 A -iii, by which fans 210 draw air from environment into bottom air take 202 .
  • FIG. 10 B shows an example environment for the remote heat exchanger unit of FIG. 10 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 10 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 10 A-i and FIG. 10 A -ii, i.e., dual-side airflow discharge. Further, Example FIG. 10 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured as in Examples FIG. 10 A-i and FIG. 10 A -ii, i.e., single-side airflow discharge.
  • FIG. 11 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 11 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which lone heat exchanger coil 205 is disposed in a circular shape.
  • Example FIG. 11 A -ii shows a side view of the embodiment of Example FIG. 11 A-i , by which fans 210 draw air from environment into bottom air take 202 .
  • Example FIG. 11 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which lone heat exchanger coil 205 is disposed in two substantially squared shells having rounded edges.
  • Example FIG. 11 A -iv shows top views of multiple embodiments pertaining to the examples of Examples FIG. 11 A-i through FIG. 11 A -iii.
  • airflow discharge may be in any direction.
  • Single side discharge may be implemented by blocking airflow variably plugging inserts into all but one of the air outlets.
  • Dual or three-side airflow discharge may be implemented by plugging two or more inserts at appropriate air outlets.
  • the drain pan and defrost heater are circularly shaped and tilted at angle to drain water during frost.
  • FIG. 11 B shows an example environment for the remote heat exchanger unit of FIG. 11 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, 20 C, and 20 D configured by walls or barriers 25 A, 25 B, and 25 C.
  • Example FIG. 11 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured to provide a dual-side airflow discharge;
  • Example FIG. 11 B also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system 215 configured to provide a 360-degree airflow discharge; and
  • Example FIG. 11 - v also shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 D, with separable air duct system 215 configured to provide a single-side airflow discharge.
  • FIG. 12 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 12 A-v shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A, 205 B, and 205 C are disposed in a triangular configuration.
  • the embodiment of remote heat exchanger unit 200 may be configured to have a three-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , and none of airflow outlets 212 are blocked.
  • Example FIG. 12 A -ii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A, 205 B, and 205 C are disposed in a triangular configuration.
  • the embodiment of remote heat exchanger unit 200 is configured to have a two-side airflow discharge, with outlet 212 A corresponding to heat exchanger coil 205 A closed, and the liquid line solenoid valve working fluid flow to heat exchanger coil 205 is closed; and heat exchanger coils 205 B and 205 B are disposed adjacent to corresponding outlet 212 that are permitting airflow therefrom.
  • a single side discharge may be implemented by blocking airflow to any two of heat exchanger coils 205 and close the liquid line solenoid valve working fluid to those heat exchanger coils 205 .
  • a limit switch or using input may be used to sense the airflow blockage location and, thus, control liquid line solenoid valve to the blocked heat exchanger coils.
  • each heat exchanger coil 205 has a corresponding drain pain, heating system, and liquid line solenoid valve. Further, air that is blown over the respective heat exchanger coils 205 by fan 210 is drawn in from bottom air intake 202 A.
  • FIG. 12 B shows an example environment for the remote heat exchanger unit of FIG. 12 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 12 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 12 A-i and FIG. 12 A -ii.
  • Example FIG. 12 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured to implement a three-side airflow discharge and one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system configured to implement a two-side air discharge.
  • FIG. 13 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 13 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A, 205 B, and 205 C are disposed in a triangular configuration.
  • Each of heat exchanger coils 205 A, 205 B, and 205 C is separated from the others by partition walls to separate corresponding airflow streams produced by corresponding fans 210 A, 210 B, and 210 C, as air is drawn into remote heat exchanger unit 200 via bottom air intake 202 .
  • the embodiment of remote heat exchanger unit 200 may be configured to have a three-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , and none of airflow outlets 212 is blocked as all of fans 210 and heat exchanger coils 205 are activated.
  • Example FIG. 12 A -ii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A, 205 B, and 205 C are disposed in a triangular configuration.
  • Each of heat exchanger coils 205 A, 205 B, and 205 C is separated from the others by partition walls to separate corresponding airflow streams produced by corresponding fans 210 A, 210 B, and 210 C, as air is drawn into remote heat exchanger unit 200 via bottom air intake 202 .
  • remote heat exchanger unit 200 may be configured to have a two-side airflow discharge, by closing outlet 212 A corresponding to heat exchanger coil 205 A and deactivating heat exchanger coil 205 A and fan 210 A so that there is no working fluid flow thereto.
  • a single side air discharge may be implemented by turning off two of fans 210 and deactivating corresponding heat exchanger coils 205 .
  • each heat exchanger coil 205 has a corresponding drain pain, heating system, and liquid line solenoid valve. Further, air that is blown over the respective heat exchanger coils 205 is drawn in from bottom air intake 202 A.
  • FIG. 13 B shows an example environment for the remote heat exchanger unit of FIG. 13 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 13 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Examples FIG. 13 A-i and 13 A-ii.
  • Example 13 A-iii shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured to implement a three-side airflow discharge and one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 C, with separable air duct system configured to implement a one-side air discharge.
  • FIG. 14 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 14 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A-D are disposed in a square or rectangular configuration.
  • the embodiment of remote heat exchanger unit 200 may be configured to have a one-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with three of openings 212 being closed by blocking airflow to heat exchanger coils 205 B-D using a partition.
  • Example FIG. 14 A -ii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A-D are disposed in a square or rectangular configuration.
  • the embodiment of remote heat exchanger unit 200 may be configured to have a four-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with none of outlets 212 being closed.
  • Example FIG. 14 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A-D are disposed in a square or rectangular configuration.
  • the embodiment of remote heat exchanger unit 200 may be configured to have a two-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with 212 B and D being closed.
  • each heat exchanger coil 205 has a corresponding drain pain, heating system, and liquid line solenoid valve. Further, air that is blown over the respective heat exchanger coils 205 by fan 210 is drawn in from bottom air intake 202 A.
  • FIG. 14 B shows an example environment for the remote heat exchanger unit of FIG. 14 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 14 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Example FIG. 14 A-i and with separable air duct system 215 configured to implement a two-side airflow discharge for remote heat exchanger unit 200 in climate controlled zone 20 C.
  • FIG. 15 A shows a schematic block diagram of an architecture of a remote heat exchanger unit with configurable air discharge, in accordance with at least one example embodiment described and recited herein.
  • Example FIG. 15 A-i shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A- 205 D are disposed in a square or rectangular configuration.
  • Each of heat exchanger coils 205 A- 205 D is separated from the others by partition walls to separate corresponding airflow streams produced by corresponding fans 210 A- 210 D, as air is drawn into remote heat exchanger unit 200 via bottom air intake 202 .
  • the embodiment of remote heat exchanger unit 200 may be configured to have a one-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with three of openings 212 being closed.
  • Example FIG. 15 A -ii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A-D are disposed in a square or rectangular configuration.
  • Each of heat exchanger coils 205 A- 205 D is separated from the others by partition walls to separate corresponding airflow streams produced by corresponding fans 210 A- 210 D, as air is drawn into remote heat exchanger unit 200 via bottom air intake 202 .
  • the embodiment of remote heat exchanger unit 200 may be configured to have a four-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with none of outlets 212 being closed.
  • Example FIG. 15 A -iii shows a top view of a non-limiting example embodiment of remote heat exchanger unit 200 in which heat exchanger coils 205 A-D are disposed in a square or rectangular configuration.
  • Each of heat exchanger coils 205 A- 205 D is separated from the others by partition walls to separate corresponding airflow streams produced by corresponding fans 210 A- 210 D, as air is drawn into remote heat exchanger unit 200 via bottom air intake 202 .
  • the embodiment of remote heat exchanger unit 200 may be configured to have a two-side airflow discharge, with each of heat exchanger coils 205 disposed adjacent to a corresponding outlet 212 , with two of outlets 212 being closed.
  • each heat exchanger coil 205 has a corresponding drain pain, heating system, and liquid line solenoid valve. Further, air that is blown over the respective heat exchanger coils 205 by fan 210 is drawn in from bottom air intake 202 A.
  • FIG. 15 B shows an example environment for the remote heat exchanger unit of FIG. 15 A , in accordance with at least some of the embodiments described and recited herein.
  • climate controlled zones 20 A, 20 B, and 20 C configured by walls or barriers 25 A and 25 B.
  • Example FIG. 15 B shows one embodiment of remote heat exchanger unit 200 in climate controlled zone 20 B, with separable air duct system 215 configured as in Example FIG. 15 A-i and with separable air duct system 215 configured to implement a two-side airflow discharge for remote heat exchanger unit 200 in climate controlled zone 20 C.
  • each of the one or more bi-directional fans 210 X may be an axial fan that is capable of rotating in either a clockwise direction or a counter-clockwise direction.
  • each of the one or more bi-directional fans 210 X may be an axial fan, a blower, an impeller fan, etc.
  • FIGS. 16 A and 16 B include bi-directional fan 210 X, which may have symmetrical fan blades to thereby effectively control the direction of airflow influenced by bi-directional fan 210 X, dependent upon, e.g., a rotational direction of the fan blades.
  • the design of bi-directional fans 210 X renders possible a single-discharge implementation, as in FIGS. 16 A and 16 B , in which airflow through both of the heat exchangers 205 XA, 205 XB flow in the same direction.
  • the design of bi-directional fans 210 X also renders possible a dual-discharge implementation ( FIGS.
  • FIGS. 16 A, 16 B, 17 A, and 17 B and otherwise described and/or recited herein are not limited to two embodiments of bi-directional fans 210 X. Rather, the embodiments are numerous, e.g., implemented by bi-directional fans 210 X in the order of multiples of two or three.
  • FIG. 16 A shows a schematic block diagram illustrating a single directional discharge of air, e.g., right to left, from a remote heat exchanger unit.
  • a portion of return air 1605 passes over heat exchanger coil 205 XA and is drawn through bi-directional fan 210 XA to be discharged as air 1610 A having undergone a heat exchange with the heat exchanger coil 205 XA; and another portion of return air 1605 is drawn through bi-directional fan 210 XB and passes over heat exchanger coils 205 XB, to be discharged as air 1610 B, having undergone a heat exchange with heat exchanger coils 205 XA.
  • FIG. 16 B shows a schematic block diagram illustrating a single directional discharge of air, e.g., left to right, from a remote heat exchanger unit.
  • a portion of return air 1605 is drawn through bi-directional fan 210 XA and passes over heat exchanger coils 205 XA, to be discharged as air 1610 A, having undergone a heat exchange with heat exchanger coils 205 XA; and another portion of return air 1605 passes over heat exchanger coils 205 XB and is drawn through bi-directional fan 210 XB to be discharged as air 1610 B, having undergone a heat exchange with heat exchanger coils 205 XB.
  • the symmetrical fan blades of bi-directional fans 210 XA and 210 XB rotate in a common direction, according to the intended direction of discharge.
  • alternatives thereto may include one or more bi-directional fans 210 X that discharge an airflow that undergo a heat exchange by one or more heat exchanger coils that are disposed beneath fans 210 X, e.g., from beneath, and/or one or more bi-directional fans 210 X that discharge an air flow that undergoes a heat exchange by multiple heat exchangers that may be disposed beneath or alongside the respective fans.
  • each of the one or more bi-directional fans 210 X may be an axial fan that is capable of rotating in either a clockwise direction or a counter-clockwise direction.
  • each of the one or more bi-directional fans 210 X may be an axial fan, a blower, an impeller fan, etc.
  • FIG. 17 A shows a schematic block diagram illustrating a dual directional discharge of air from a remote heat exchanger unit.
  • a portion of warm return air 1705 A passes from right to left over coil 205 XA and is drawn through bi-directional fan 210 XA to be discharged to the left as cold air 1710 A; and another portion of warm return air 1705 B is drawn from left to right over coil 205 XB and is drawn through bi-directional fan 210 XB to be discharged to the right as cold air 1710 B.
  • FIG. 17 B shows a schematic block diagram illustrating a dual directional discharge of air from a remote heat exchanger unit.
  • a portion of warm return air 1705 A passes from left to right over coil 205 XA and is drawn through bi-directional fan 210 XA to be discharged to the right as cold air 1710 A; and another portion of warm return air 1705 B is drawn from right to left over coil 205 XB and is drawn through bi-directional fan 210 XB to be discharged to the left as cold air 1710 B.
  • the symmetrical fan blades of bi-directional fans 210 XA and 210 XB rotate in opposite directions, according to the respective intended directions of discharge.
  • FIG. 18 A shows a side view of a schematic block diagram of a draw-through coil design of a remote heat exchanger unit 1800 to control direction of airflow.
  • fan 210 YA may draw air 1805 therethrough to be discharged as air 1810 A.
  • fan 210 YB may be turned off and/or intentionally blocked, e.g., by an optional baffle or damper, to provide a single directional discharge of air. It will be appreciated that in other embodiments, fan 210 YB may draw air 1805 therethrough to be discharged as air 1810 B.
  • fan 210 YA may be turned off and/or intentionally blocked, e.g., by an optional baffle or damper, to provide a single directional discharge of air. It will be appreciated that in some embodiments, both fans 210 YA and 210 YB may draw air 1805 therethrough to be discharged as air 1810 A 1810 B, respectively, to provide dual-directional discharge of air.
  • the optional baffles or dampers can be fully opened, fully closed, or partially opened based on the requirements for the specific application.
  • one or both of fans 210 YA and 210 YB may be turned on at a reduced speed, thus resulting in a greater discharge of air drawn by the fan that operates at the higher speed and a lesser discharge of air drawn by the fan that operates at the lower speed. If both of fans 210 YA and 210 YB are turned on at the reduced speed, the discharge of air drawn by the respective fans is likely to be substantially similar.
  • FIG. 18 B shows a top view of a schematic block diagram of a draw-through coil design for the remote heat exchanger unit 1800 that allows for either a single-directional or dual-directional discharge of air, in accordance with at least the example embodiment of FIG. 18 A .
  • fans 210 YA and 210 YB may draw air 1805 from both coils therethrough to be discharged as air 1810 A and 1810 B in both the left and right directions, respectively.
  • either of the fans 210 YA, 210 YB may be turned off and/or intentionally blocked, e.g., by an optional baffle or damper.
  • each of the fans 210 YA, 210 YB can be an axial fan, a blower, an impeller fan, etc.
  • FIG. 19 A shows a side view of a schematic block diagram of a draw-through coil design of a remote heat exchanger unit 1900 to control direction of airflow.
  • fans 210 YA and 210 YB which are stacked on top of coil 205 YA, may draw air 1905 therethrough to be discharged as air 1910 A and 1910 B, in both the left and right directions. Therefore FIG. 19 A illustrates a dual directional discharge of air.
  • each of the one or more bi-directional fans 210 X may be an axial fan, a blower, an impeller fan, etc.
  • remote heat exchanger unit 1900 may optionally include baffles or dampers to block airflow exiting therethrough, and the optional baffles or dampers may be fully opened, fully closed, or partially opened based on the requirements for the specific application.
  • one or both of fans 210 YA and 210 YB may be turned on at a reduced speed, thus resulting in a greater discharge of air drawn by the fan that operates at the higher speed and a lesser discharge of air drawn by the fan that operates at the lower speed. If both of fans 210 YA and 210 YB are turned on at the reduced speed, the discharge of air drawn by the respective fans is likely to be substantially similar.
  • FIG. 19 B shows a top view of the dual-directional discharge of air in accordance with the example embodiment of FIG. 19 A .

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JPH1059057A (ja) * 1996-08-22 1998-03-03 Zexel Corp 貨物温調庫
FR2766427B1 (fr) * 1997-07-23 1999-09-24 Hispacold France Agencement de moyens de climatisation d'un vehicule de grandes dimensions, notamment d'un autobus ou d'un autocar
DE10046935B4 (de) * 2000-09-21 2004-04-15 Thermo King Deutschland Gmbh Heiz- und gegebenenfalls Klimagerät für Nutzfahrzeuge, z. B. Omnibusse
US6745586B1 (en) * 2003-05-05 2004-06-08 Carrier Corporation Supply air duct arrangement for a bus air conditioner
WO2011055163A1 (en) * 2009-11-09 2011-05-12 Carlos Quesada Saborio Transport refrigeration system
DE102016006179A1 (de) * 2016-04-12 2017-10-12 Fahrzeugwerk Bernard Krone GmbH & Co. KG Kühlbarer Nutzfahrzeugaufbau
FR3050975B1 (fr) * 2016-05-04 2018-05-25 Jean Chereau Sas Carrosserie de vehicule routier de transport de marchandises comprenant une cloison de compartimentage
CN110385958B (zh) * 2018-04-16 2024-06-18 多美达瑞典有限公司 空气分配设备
EP3863872B1 (de) * 2018-10-08 2023-04-26 Thor Tech, Inc. Freizeitfahrzeug
WO2020166014A1 (ja) * 2019-02-14 2020-08-20 三菱電機株式会社 制御装置及び冷却システム
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