Refrigerating circuit for use in a motor vehicle

A technology for refrigeration circuits and motor vehicles, which is applied in the direction of refrigerators, refrigeration components, vehicle parts, etc., and can solve problems such as increased refrigerant mass flow
CN102980334AInactive Publication Date: 2013-03-20DR ING H C F PORSCHE AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DR ING H C F PORSCHE AG
Publication Date
2013-03-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a refrigerating circuit for use in a motor vehicle which has a refrigerant compressor (8) connected on the output side to a pressure line (4) and on the input side to a suction line (6). The refrigerating circuit has at least one condenser (10), at least one regulated expansion valve (14), at least one evaporator (16) and at least one inner heat exchanger (12). The regulated expansion valve (14) has a temperature tE in a detection zone (20) of the suction line (6) as a controlled variable. The detection zone (20) for the regulated expansion valve (14) is arranged at the output of the inner heat exchanger (12).
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Description

technical field

[0001] The invention relates to a refrigeration circuit for use in a motor vehicle, the refrigeration circuit having a refrigerant compressor which is connected on the output side to a pressure line and on the input side to a suction line; Having at least one condenser; having at least one regulating expansion valve; having at least one evaporator and having at least one internal heat exchanger, wherein the regulating expansion valve has as control variable in a detection zone of the suction line a temperature t E . Background technique

[0002] Such refrigeration circuits are well known. In the simplest type of construction of this refrigeration circuit, the pressure line runs from the output of the compressor, through the condenser, to the input of the expansion valve. In the expansion valve the pressure is reduced and thus the suction line is connected to the output of the expansion valve leading through the evaporator and terminating at the compressor...

Claims

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