US2012304674A1PendingUtilityA1

Climate control system for a vehicle and method for controlling temperature

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Assignee: SCHWARZKOPF OTFRIEDPriority: Dec 30, 2009Filed: Dec 11, 2010Published: Dec 6, 2012
Est. expiryDec 30, 2029(~3.5 yrs left)· nominal 20-yr term from priority
Inventors:Otfried Schwarzkopf
B60H 1/32281B60H 2001/00928B60H 2001/00949B60H 1/00878B60H 1/00385B60H 1/32284F25B 29/003
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Claims

Abstract

In a climate control system for a vehicle having at least one refrigerant circuit, at least one temperature control circuit for controlling the temperature of a vehicle interior, and at least one vehicle component, in particular of an electric vehicle or hybrid vehicle, at least one device for absorbing heat from the temperature control circuit and at least one device for releasing heat to the temperature control circuit are provided. In a method for controlling the temperature of vehicle components using at least one refrigerant circuit and at least one temperature control circuit, heat is absorbed from the temperature control circuit into the refrigerant circuit on the low-pressure side of the refrigerant circuit, and heat is released to the temperature control circuit by the refrigerant circuit on the high-pressure side of the refrigerant circuit.

Claims

exact text as granted — not AI-modified
1 . A climate control system for a vehicle, comprising: at least one refrigerant circuit and at least one temperature control circuit for controlling the temperature of a vehicle interior and at least one vehicle component,
 wherein at least one device for absorbing heat from the temperature control circuit and at least one device for releasing heat to the temperature control circuit are provided, and   wherein the temperature control circuit comprises two cooling circuits for operating components of the vehicle at different levels.   
     
     
         2 . The climate control system according to  claim 1 ,
 wherein the device for absorbing heat from the temperature control circuit is a low-pressure side heat exchanger, and/or the device for releasing heat to the temperature control circuit is a high-pressure side heat exchanger of the at least one refrigerant circuit.   
     
     
         3 . The climate control system ( 1 ) according to  claim 1 ,
 wherein, at least one device for connecting and disconnecting at least one component and/or a subcircuit or circuit of the climate control system is provided.   
     
     
         4 . The climate control system according to  claim 1 ,
 wherein a parallel circuit of two evaporators of the at least one refrigerant circuit is provided.   
     
     
         5 . The climate control system according to  claim 1 ,
 wherein a series circuit of two evaporators of the at least one refrigerant circuit is provided.   
     
     
         6 . (canceled) 
     
     
         7 . (canceled) 
     
     
         8 . The climate control system according to  claim 1 ,
 wherein the vehicle is a hybrid vehicle or an electric vehicle.   
     
     
         9 . The climate control system according to  claim 1 ,
 wherein one or more pumps and one or more compressors are presented and can be operated electrically or are driven.   
     
     
         10 . The climate control system according to  claim 1 ,
 wherein a refrigerant that can be used in the refrigerant circuit is selected from CO 2 , a hydrofluoro olefin, and tetrafluoroethane.   
     
     
         11 . A method for controlling the temperature of vehicle components using at least one refrigerant circuit and at least one temperature control circuit, comprising the steps of:
 absorbing heat from the temperature control circuit on low-pressure side of the refrigerant circuit and   releasing heat to the temperature control circuit on a high-pressure side of the refrigerant circuit by said refrigerant circuit.   
     
     
         12 . A vehicle having at least one temperature control system according to  claim 1 . 
     
     
         13 . The climate control system according to  claim 2 , wherein the low-pressure side heat exchanger is an evaporator. 
     
     
         14 . The climate control system according to  claim 3 , wherein the at least one device is at least one bridging valve and/or multi-way valve and/or a bypass line. 
     
     
         15 . The climate control system according to  claim 2 , wherein at least one device for connecting and disconnecting at least one component and/or a subcircuit or circuit of the climate control system is provided, wherein a parallel circuit of two evaporators of the at least one refrigerant circuit is provided. 
     
     
         16 . The climate control system according to  claim 2 , wherein at least one device for connecting and disconnecting at least one component and/or a subcircuit or circuit of the climate control system is provided, wherein a series circuit of two evaporators of the at least one refrigerant circuit is provided. 
     
     
         17 . The climate control system according to  claim 2 , wherein one or more pumps and one or more compressors can be operated electrically or are driven, and wherein a refrigerant that can be used in the refrigerant circuit is selected from CO 2 , a hydrofluoro olefin, and tetrafluoroethane. 
     
     
         18 . A vehicle having at least one temperature control system according to  claim 17 .

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