WO2004090440A1 - Dispositif et procede de refroidissement de l'air - Google Patents

Dispositif et procede de refroidissement de l'air Download PDF

Info

Publication number
WO2004090440A1
WO2004090440A1 PCT/NL2004/000228 NL2004000228W WO2004090440A1 WO 2004090440 A1 WO2004090440 A1 WO 2004090440A1 NL 2004000228 W NL2004000228 W NL 2004000228W WO 2004090440 A1 WO2004090440 A1 WO 2004090440A1
Authority
WO
WIPO (PCT)
Prior art keywords
direct current
compressor
condenser
current motor
vaporizer
Prior art date
Application number
PCT/NL2004/000228
Other languages
English (en)
Inventor
Klaas Schimmel
Antoine Schimmel
Original Assignee
Klaas Schimmel
Antoine Schimmel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Klaas Schimmel, Antoine Schimmel filed Critical Klaas Schimmel
Publication of WO2004090440A1 publication Critical patent/WO2004090440A1/fr

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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • 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
    • B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
    • B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
    • 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
    • B60H1/3226—Self-contained devices, i.e. including own drive motor
    • 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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • the present invention provides a device for the cooling of air, comprising; - a direct current motor to be connected to an electrical source;
  • a direct current motor, rotation compressor and direct current ventilator renders a , total effective yield of approximately 80% feasible, which is at least 60% more than that made possible by previously available systems. Owing to the higher yield a back-up generator can be dispensed with, for instance in the case of housings for telecommunication equipment. An extra generator for supplying power is unnecessary in the case of electric vehicles .
  • the yield increases when the compressor operates at relatively low revolutions and/or by overdimensioning one or more heat exchangers (i.e. condenser, vaporizer) connected to the compressor, for example by approximately 50%.
  • one or more heat exchangers i.e. condenser, vaporizer
  • fig. 1 shows a cut-away perspective view of a device according to the present invention in a first preferred embodiment-;
  • fig. 2 shows an exploded perspective view of a second preferred embodiment ,
  • fig. 3 shows a third preferred embodiment of a device according to the present invention;
  • fig. 4 shows a chamber of the compressor in cross- section.
  • a cooling device 10 comprises a direct current motor 11 which is connected in a manner not illustrated to an accumulator of 12, 24, 42 or 48 Volt or to any other direct current source.
  • a rotary-compressor 12 is connected to the output ' shaft of the direct current motor.
  • Direct current motor 11 and rotary- compressor 12 have been installed as much as possible in line and non-vibrating relative to a groove. Preferably, both are arranged on a common shaft in the same housing in order to reduce sealing problems at the shaft as much as possible.
  • the direct current motor can be embodied with or without brushes (fig-1).
  • a condenser 16 and a vaporizer 17 are connected in series to the compressor 12 via pipes 13, 14 and 15, respectively.
  • ventilator 18 that has been connected to the accumulator in a manner not illustrated, an airflow as indicated by arrows A, B and C is forced along vaporizer 17 and brought into the space to be cooled.
  • the order of ventilator 18 and vaporizer 17 can also be reversed.
  • Opposite ventilator 18 a second direct current ventilator 20 has been installed onto frame 19 of a housing that has not been illustrated further, which forces the airflow according to arrows D en E alongside condenser 16, thus bringing hot air to the environment according to arrow F.
  • the medium preferably the environmentally-friendly coolant R1-34A, which likewise improves the yield and is available on the market, is hereby condensed once again.
  • the device is manufactured in different variants.
  • the above described first variant extends substantially in vertical direction, while a second preferred embodiment (fig. 2) extends in mainly horizontal direction. This is advantageous for instance in vehicles wherein the air-conditioning is mounted on the roof.
  • the cooling device 40 comprises a housing which consists of parts 42, 44 and in which, similarly to the first embodiment, a direct current motor 48 is arranged with an output shaft to which a rotary-compressor 46 is connected. Motor 48 and compressor 46 are arranged in non-vibrating manner on an elongate holder 50 and connected via pipes to heat exchangers 56 and 58.
  • Heat exchanger 56 is the vaporizer and heat exchanger 58 the condenser as according to the above described first embodiment.
  • Two ventilators 60, 62 arranged close to vaporizer 56 draw air for cooling through the vaporizer.
  • Two ventilators 64, 66 arranged adjacently of each other draw air through the condenser for discharge of heat.
  • the device is divided into two parts 70 and 72 which are mutually connected by pipes 74, 76 for the cooling medium.
  • the vaporizer with associated ventilator among other components, are arranged in part 72 in order to blow out cooled air, while the condenser with associated ventilator 78 are arranged in part 70 for blowing out heated air to the environment.
  • This embodiment is advantageous for instance in trucks, where as much space 'as possible in the cab is taken up by all kinds of equipment. It is thus possible to mount part 70 on the front of the cab, while part 72, which is mounted in the cab, is relatively- flat . In practical implementations of the above described preferred embodiments, a direct current motor with a yield of about 85% is used.
  • the yield of the motor is about 65%.
  • the shaft of the direct current motor which drives the compressor is set to relatively low revolutions of less than 2000 rpm. Higher yields were achieved at revolutions of less than 1500 rpm.
  • the speed of revolution preferably lies between 500 and 1000 rpm.
  • the compressor used has a yield of about 95% and the ventilators have a yield of about 90%.
  • the compressor comprises an impeller movable in a cylinder. Such a construction is referred to as a rotary vane or sliding vane.
  • the low revolutions of the compressor are elucidated with reference to fig. 4.
  • a compressor comprises a chamber 90 of oval cross-section in which a cylinder 92 provided with a number of radially exensible vanes 94-104 is arranged rotatably.
  • gaseous cooling medium is drawn into chamber part 106 between vane 102 and the wall of chamber 90.
  • the cylinder 92 rotates in the direction of the arrow, so that a determined maximum quantity of gaseous cooling medium is first drawn into chamber part 106, which medium is then compressed.
  • chamber part 108 the cooling medium, which has meanwhile become liquid, is pressed out of chamber 90 .
  • the cooling medium has sufficient time to completely fill chamber part 106.
  • the chamber part 106 will however fill insufficiently, so that the yield becomes lower.
  • the vaporizer and/or the condenser are preferably over-dimensioned, preferably in the order of 50%. That is, they have a relatively high power compared to the cooling power of the device.
  • the device has for instance a cooling power of 3 kW.
  • the above stated powers are guidelines, and concessions and modifications required for instance due to lack of space are possible. This will however reduce the yield.
  • the power of the condenser or of the vaporizer can also be increased by applying a stronger ventilator which can cause a greater airflow along the heat exchangers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un dispositif (10) permettant de refroidir l'air et comprenant un moteur à courant continu à connecter (11) à une source électrique ; un compresseur rotatif (12) connecté au moteur à courant continu (11); et au moins un ventilateur à courant continu (18) connecté à la source et comprenant un condensateur (16) connecté au compresseur (12), un vaporisateur (17) étant couplé, par l'intermédiaire de tuyaux (13, 14, 15), au condensateur (16).
PCT/NL2004/000228 2003-04-07 2004-04-06 Dispositif et procede de refroidissement de l'air WO2004090440A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46101703P 2003-04-07 2003-04-07
US60/461,017 2003-04-07

Publications (1)

Publication Number Publication Date
WO2004090440A1 true WO2004090440A1 (fr) 2004-10-21

Family

ID=33159813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2004/000228 WO2004090440A1 (fr) 2003-04-07 2004-04-06 Dispositif et procede de refroidissement de l'air

Country Status (1)

Country Link
WO (1) WO2004090440A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007000291A1 (fr) * 2005-06-27 2007-01-04 Behr Gmbh & Co. Kg Appareil de climatisation
DE102008009848A1 (de) * 2008-02-12 2009-08-13 Bitzer Kühlmaschinenbau Gmbh Fahrzeugklimasystem
USD940289S1 (en) 2018-04-30 2022-01-04 Dometic Sweden Ab Mobile air conditioner
US20220126973A1 (en) * 2020-10-22 2022-04-28 Javier Ripoll Self-contained marine air conditioning unit, air-conditioning system, and method of installation
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315379A (en) * 1941-09-17 1943-03-30 United Fruit Co Preserving perishables
US3589139A (en) * 1969-11-07 1971-06-29 Electronic Assistance Corp Refrigerated shipping container
US4322953A (en) * 1980-05-15 1982-04-06 Atmospheric Energy Systems Heat collection system
US5255530A (en) * 1992-11-09 1993-10-26 Whirlpool Corporation System of two zone refrigerator temperature control
US5271238A (en) * 1990-09-14 1993-12-21 Nartron Corporation Environmental control system
US6345512B1 (en) * 2001-06-15 2002-02-12 Marconi Communications, Inc. Power efficient, compact DC cooling system
US20020029575A1 (en) * 2000-09-11 2002-03-14 Takehisa Okamoto Remote inspection and control of refrigerator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315379A (en) * 1941-09-17 1943-03-30 United Fruit Co Preserving perishables
US3589139A (en) * 1969-11-07 1971-06-29 Electronic Assistance Corp Refrigerated shipping container
US4322953A (en) * 1980-05-15 1982-04-06 Atmospheric Energy Systems Heat collection system
US5271238A (en) * 1990-09-14 1993-12-21 Nartron Corporation Environmental control system
US5255530A (en) * 1992-11-09 1993-10-26 Whirlpool Corporation System of two zone refrigerator temperature control
US20020029575A1 (en) * 2000-09-11 2002-03-14 Takehisa Okamoto Remote inspection and control of refrigerator
US6345512B1 (en) * 2001-06-15 2002-02-12 Marconi Communications, Inc. Power efficient, compact DC cooling system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007000291A1 (fr) * 2005-06-27 2007-01-04 Behr Gmbh & Co. Kg Appareil de climatisation
DE102008009848A1 (de) * 2008-02-12 2009-08-13 Bitzer Kühlmaschinenbau Gmbh Fahrzeugklimasystem
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
USD940289S1 (en) 2018-04-30 2022-01-04 Dometic Sweden Ab Mobile air conditioner
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner
US20220126973A1 (en) * 2020-10-22 2022-04-28 Javier Ripoll Self-contained marine air conditioning unit, air-conditioning system, and method of installation
US11932372B2 (en) * 2020-10-22 2024-03-19 Javier Ripoll Self-contained marine air conditioning unit, air-conditioning system, and method of installation
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner

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