JPS54138248A - Air conditioning system for vehicle - Google Patents

Air conditioning system for vehicle

Info

Publication number
JPS54138248A
JPS54138248A JP4604078A JP4604078A JPS54138248A JP S54138248 A JPS54138248 A JP S54138248A JP 4604078 A JP4604078 A JP 4604078A JP 4604078 A JP4604078 A JP 4604078A JP S54138248 A JPS54138248 A JP S54138248A
Authority
JP
Japan
Prior art keywords
engine
exhaust gas
heating
coolant
air conditioning
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP4604078A
Other languages
Japanese (ja)
Inventor
Mitsugi Hasegawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP4604078A priority Critical patent/JPS54138248A/en
Publication of JPS54138248A publication Critical patent/JPS54138248A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H1/00899—Controlling the flow of liquid in a heat pump system
    • B60H1/00921—Controlling the flow of liquid in a heat pump system where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct
    • 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
    • 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
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00949—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising additional heating/cooling sources, e.g. second evaporator

Abstract

PURPOSE:To provide an air conditioning system for vehicle, in which exhaust gas of engine is used as heat source and cooling medium used in cooling system is used also as heating medium for heating system, whereby heating effect can be obtained promptly. CONSTITUTION:The air conditioning system of this invention comprises refrigerating cycle consisting of compressor 10, condenser 13, expansion valve 17 and evaporator 19, and exhaust gas heat exchanger 25 in the exhaust system of engine 1. Further, a first additional coolant conduit 22 connected to a first three-way changeover valve 23 and a second additional coolant conduit 24 equipped with a second three-way changeover valve 31 and connected to exhaust gas heat exchanger 25 are provided in the exhaust system of engine 1. With such as arrangement, when cooling medium is passed to the additional coolant conduits 22, 24 with operation of valves 23, 31, coolant absorbs heat in exhaust gas heat exchanger 25 and radiates heat at evaporator, thereby heating air in the cabin. Here, since specific heat of the coolant in the cycle is smaller than that of water, amount of said coolant being smaller than that of engine cooling water, and it utilizes, as heat source, exhaust gas heat in the exhaust system in which temperature rise is so swift, cooling medium can be heated to a temperature suited for heating the cabin in a short while, so that heating effect can be obtained promptly after starting of engine.
JP4604078A 1978-04-19 1978-04-19 Air conditioning system for vehicle Pending JPS54138248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4604078A JPS54138248A (en) 1978-04-19 1978-04-19 Air conditioning system for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4604078A JPS54138248A (en) 1978-04-19 1978-04-19 Air conditioning system for vehicle

Publications (1)

Publication Number Publication Date
JPS54138248A true JPS54138248A (en) 1979-10-26

Family

ID=12735909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4604078A Pending JPS54138248A (en) 1978-04-19 1978-04-19 Air conditioning system for vehicle

Country Status (1)

Country Link
JP (1) JPS54138248A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1049595A1 (en) * 1998-01-22 2000-11-08 Prime Hill Development Limited Motor vehicle air-conditioning system
US6543531B1 (en) * 1998-03-27 2003-04-08 Daimlerchrysler Ag Device and method for heating and cooling a compartment of a motor vehicle
WO2017055913A1 (en) * 2015-10-02 2017-04-06 Toyota Jidosha Kabushiki Kaisha Vehicle-mounted heat utilization device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1049595A1 (en) * 1998-01-22 2000-11-08 Prime Hill Development Limited Motor vehicle air-conditioning system
EP1049595A4 (en) * 1998-01-22 2002-01-23 Prime Hill Dev Ltd Motor vehicle air-conditioning system
US6543531B1 (en) * 1998-03-27 2003-04-08 Daimlerchrysler Ag Device and method for heating and cooling a compartment of a motor vehicle
WO2017055913A1 (en) * 2015-10-02 2017-04-06 Toyota Jidosha Kabushiki Kaisha Vehicle-mounted heat utilization device
CN108136872A (en) * 2015-10-02 2018-06-08 丰田自动车株式会社 Vehicle-mounted heat utilization device

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