SG10201900435TA - Refrigeration system with leak detection - Google Patents
Refrigeration system with leak detectionInfo
- Publication number
- SG10201900435TA SG10201900435TA SG10201900435TA SG10201900435TA SG10201900435TA SG 10201900435T A SG10201900435T A SG 10201900435TA SG 10201900435T A SG10201900435T A SG 10201900435TA SG 10201900435T A SG10201900435T A SG 10201900435TA SG 10201900435T A SG10201900435T A SG 10201900435TA
- Authority
- SG
- Singapore
- Prior art keywords
- evaporator
- refrigeration system
- enclosure
- leak detection
- refrigeration
- Prior art date
Links
Classifications
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- 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
- B60H1/3205—Control means therefor
-
- 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
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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
- B60H2001/3236—Cooling devices information from a variable is obtained
- B60H2001/3239—Cooling devices information from a variable is obtained related to flow
- B60H2001/3242—Cooling devices information from a variable is obtained related to flow of a refrigerant
-
- 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
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/328—Cooling devices output of a control signal related to an evaporating unit
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/22—Refrigeration systems for supermarkets
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/27—Problems to be solved characterised by the stop of the refrigeration cycle
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2511—Evaporator distribution valves
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off valves
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/04—Refrigerant level
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
REFRIGERATION SYSTEM WITH LEAK DETECTION OF THE DISCLOSURE A transportation refrigeration system includes a compartment to be conditioned. A refrigeration circuit is associated with an enclosure including a 5 compressor. A condenser and an expansion valve are upstream of a first evaporator and a second evaporator. The first evaporator is in parallel with the second evaporator. A first enclosure surrounds the first evaporator. The first enclosure includes a first refrigerant detection sensor in communication with a controller. A second enclosure surrounds the second evaporator. The second enclosure includes a 10 second refrigeration detection sensor in communication with the controller. Fig.1
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862636250P | 2018-02-28 | 2018-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201900435TA true SG10201900435TA (en) | 2019-09-27 |
Family
ID=65529547
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201900435TA SG10201900435TA (en) | 2018-02-28 | 2019-01-17 | Refrigeration system with leak detection |
SG10202102936WA SG10202102936WA (en) | 2018-02-28 | 2019-01-17 | Refrigeration system with leak detection |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10202102936WA SG10202102936WA (en) | 2018-02-28 | 2019-01-17 | Refrigeration system with leak detection |
Country Status (4)
Country | Link |
---|---|
US (1) | US11435124B2 (en) |
EP (1) | EP3534093A1 (en) |
CN (1) | CN110207411A (en) |
SG (2) | SG10201900435TA (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11231198B2 (en) | 2019-09-05 | 2022-01-25 | Trane International Inc. | Systems and methods for refrigerant leak detection in a climate control system |
CN113028667A (en) | 2019-12-25 | 2021-06-25 | 开利公司 | Transport refrigeration system and CAN ID assignment method for a transport refrigeration system |
Family Cites Families (45)
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US5007245A (en) | 1989-09-01 | 1991-04-16 | Sundstrand Corporation | Vapor cycle system with multiple evaporator load control and superheat control |
US6047557A (en) | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
US6370908B1 (en) | 1996-11-05 | 2002-04-16 | Tes Technology, Inc. | Dual evaporator refrigeration unit and thermal energy storage unit therefore |
JP2000118231A (en) | 1998-10-16 | 2000-04-25 | Zexel Corp | Refrigerating cycle |
JP4028688B2 (en) | 2001-03-21 | 2007-12-26 | 株式会社東芝 | refrigerator |
US6983793B2 (en) | 2002-11-19 | 2006-01-10 | Delphi Technologies, Inc. | Dual evaporator air conditioning system and method of use |
CN100439816C (en) | 2003-11-28 | 2008-12-03 | 株式会社东芝 | Refrigerator |
CN1291196C (en) | 2004-02-18 | 2006-12-20 | 株式会社电装 | Ejector cycle having multiple evaporators |
JP5011957B2 (en) | 2006-09-07 | 2012-08-29 | ダイキン工業株式会社 | Air conditioner |
US7814757B2 (en) * | 2006-09-12 | 2010-10-19 | Delphi Technologies, Inc. | Operating algorithm for refrigerant safety system |
US20100107661A1 (en) * | 2007-02-02 | 2010-05-06 | Awwad Nader S | Method for operating transport refrigeration unit with remote evaporator |
JP5210626B2 (en) | 2007-12-27 | 2013-06-12 | 三菱重工業株式会社 | Refrigeration equipment for land transportation and operation control method for refrigeration equipment for land transportation |
US8037704B2 (en) * | 2008-05-22 | 2011-10-18 | Thermo King Corporation | Distributed refrigeration system |
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US8250875B2 (en) | 2009-07-16 | 2012-08-28 | General Electric Company | Dual evaporator defrost system for an appliance |
US8459049B2 (en) | 2010-08-30 | 2013-06-11 | General Electric Company | Method and apparatus for controlling refrigerant flow |
CN201992900U (en) | 2011-01-17 | 2011-09-28 | 合肥美的荣事达电冰箱有限公司 | Low-noise refrigerator |
JP6008416B2 (en) | 2011-03-07 | 2016-10-19 | 中野冷機株式会社 | Refrigeration apparatus and refrigerant leakage detection method for refrigeration apparatus |
US8677779B2 (en) | 2011-10-31 | 2014-03-25 | Ford Global Technologies, Llc | Air conditioner with series/parallel secondary evaporator and single expansion valve |
EP2905563B1 (en) | 2012-08-27 | 2021-09-15 | Daikin Industries, Ltd. | Refrigeration system |
CN203349586U (en) | 2013-06-04 | 2013-12-18 | 苏州必信空调有限公司 | Air conditioning unit using flammable coolants |
CN203550265U (en) | 2013-07-15 | 2014-04-16 | 潘延龄 | Double-evaporator refrigerating device allowing continuous refrigerating |
CN104344586A (en) | 2013-07-26 | 2015-02-11 | 上海铁东电力技术有限公司 | Double-evaporator refrigerating system |
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DE102014217672A1 (en) | 2014-09-04 | 2016-03-10 | BSH Hausgeräte GmbH | Refrigerating appliance and chiller for it |
CN204202231U (en) | 2014-09-12 | 2015-03-11 | 江苏辛普森新能源有限公司 | A kind of double evaporators air source heat pump |
GB2547583B (en) | 2014-12-01 | 2020-12-30 | Mitsubishi Electric Corp | Air-conditioning apparatus |
CN104677011B (en) | 2015-03-13 | 2017-09-19 | 合肥华凌股份有限公司 | Refrigerator |
JP6466219B2 (en) * | 2015-03-20 | 2019-02-06 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner indoor unit |
JP6222252B2 (en) * | 2015-03-30 | 2017-11-01 | ダイキン工業株式会社 | Air conditioner indoor unit |
CN204705070U (en) | 2015-05-21 | 2015-10-14 | 昆明理工大学 | A kind of cold and heat combined supply all-in-one of double evaporators |
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CN108139120B (en) | 2015-10-21 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
JP6394683B2 (en) * | 2016-01-08 | 2018-09-26 | 株式会社デンソー | Transportation refrigeration equipment |
JP6156528B1 (en) | 2016-02-16 | 2017-07-05 | ダイキン工業株式会社 | Refrigeration equipment |
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JP6269756B1 (en) | 2016-09-02 | 2018-01-31 | ダイキン工業株式会社 | Refrigeration equipment |
CN206146031U (en) | 2016-09-28 | 2017-05-03 | 珠海格力电器股份有限公司 | double-evaporator water chilling unit |
CN106524649A (en) | 2016-12-26 | 2017-03-22 | 青岛海尔股份有限公司 | Refrigerator with double-evaporator refrigeration system and control method of refrigerator |
CN106907877B (en) | 2017-03-10 | 2019-05-07 | 南京理工大学 | A kind of double evaporators alternately defrosting net for air-source heat pump units and its Defrost method |
JP6847213B2 (en) * | 2017-06-02 | 2021-03-24 | 三菱電機株式会社 | Air conditioner |
EP3680583A4 (en) | 2017-09-05 | 2021-06-09 | Daikin Industries, Ltd. | Air conditioning system and refrigerant branching unit |
-
2019
- 2019-01-11 US US16/245,900 patent/US11435124B2/en active Active
- 2019-01-17 SG SG10201900435TA patent/SG10201900435TA/en unknown
- 2019-01-17 SG SG10202102936WA patent/SG10202102936WA/en unknown
- 2019-02-22 EP EP19158861.5A patent/EP3534093A1/en active Pending
- 2019-02-28 CN CN201910149986.1A patent/CN110207411A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
SG10202102936WA (en) | 2021-04-29 |
EP3534093A1 (en) | 2019-09-04 |
US11435124B2 (en) | 2022-09-06 |
CN110207411A (en) | 2019-09-06 |
US20190264963A1 (en) | 2019-08-29 |
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