Compressor for a refrigerant circuit

By integrating refrigerant lines and components into the compressor housing, the compressor addresses leak susceptibility and volume issues, enhancing safety and efficiency in automotive refrigerant circuits.

DE102024200769A1Pending Publication Date: 2025-07-31ROBERT BOSCH GMBH

Patent Information

Application Number
DE102024200769
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-01-29
Publication Date
2025-07-31

AI Technical Summary

Technical Problem

Existing refrigerant circuits in automotive compressors are susceptible to leaks due to external refrigerant lines, which can be hazardous, toxic, or environmentally harmful, and require a large volume.

Method used

Integrating all refrigerant lines and connection interfaces into the compressor housing, eliminating the need for external lines and minimizing the refrigerant circuit volume, while incorporating essential components and sensors directly into the compressor housing.

Benefits of technology

Reduces leak points, minimizes refrigerant quantity, and enhances design freedom by integrating components and sensors within the compressor housing, ensuring safer and more efficient operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a compressor (100) for a refrigerant circuit (500), comprising a compressor housing (110, 120), wherein the compressor housing (110, 120) has at least one connection interface (20, 30, 40) for directly connecting at least one further component (200, 300, 400) of the refrigerant circuit (500), wherein the at least one connection interface (20, 30, 40) each comprises a refrigerant outlet (131, 134, 137) for supplying the at least one further component (200, 300, 400) and a refrigerant inlet (132, 135, 138) for returning the refrigerant from the at least one further component (200, 300, 400) into the compressor housing (110, 120), wherein the compressor housing (110, 120)integrated refrigerant lines (130, 133, 136, 139) towards the refrigerant outlet (131, 134, 137) and away from the refrigerant inlet (132, 135, 138).Furthermore, a refrigerant circuit (500) with such a compressor (100) and a vehicle with such a refrigerant circuit (500) are proposed.
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Claims

[1] Compressor (100) for a refrigerant circuit (500), comprising a compressor housing (110, 120), wherein the compressor housing (110, 120) has at least one connection interface (20, 30, 40) for directly connecting at least one further component (200, 300, 400) of the refrigerant circuit (500), wherein the at least one connection interface (20, 30, 40) each comprises a refrigerant outlet (131, 134, 137) for supplying the at least one further component (200, 300, 400) and a refrigerant inlet (132, 135, 138) for returning the refrigerant from the at least one further component (200, 300, 400) into the compressor housing (110, 120), wherein the compressor housing (110, 120) has integrated Refrigerant lines (130, 133, 136, 139) towards the refrigerant outlet (131, 134, 137) and away from the refrigerant inlet (132, 135, 138). [2] Compressor (100) according to claim 1, wherein the at least one further component (200, 300, 400) comprises a first heat exchanger (200) for cooling the refrigerant compressed by the compressor (100) and / or a dryer (300) for removing water from the refrigerant and / or an expansion valve (167) and / or a second heat exchanger (400) for transferring heat to the refrigerant downstream of the first heat exchanger (200). [3] Compressor (100) according to claim 1 or 2, wherein the compressor housing (110, 120) has at least one receptacle for a sensor (151, 158) for determining a temperature and / or a pressure of the refrigerant. [4] Compressor (100) according to one of the preceding claims, wherein the compressor housing (110, 120) has a filling nozzle (141) for filling refrigerant into the refrigerant circuit (500) and / or an evacuation nozzle (148) for at least partially evacuating the refrigerant circuit (500). [5] Compressor (100) according to one of the preceding claims, wherein the compressor housing (110, 120) comprises a housing body (110) and a housing cover (120). [6] Compressor (100) according to claim 5, wherein a first part (20) of the at least one connection interface (20, 30, 40) is arranged in the housing cover (120) and a second part (30, 40) of the at least one connection interface (20, 30, 40) is arranged in the housing body (110). [7] Compressor (100) according to claim 5 or 6, wherein a seal (190) is provided between the housing body (110) and the housing cover (120). [8] Refrigerant circuit (500) comprising a compressor (100) according to one of the preceding claims, a first heat exchanger (200) which is directly connected to a first connection interface (20) of the at least one connection interface (20, 30, 40), a dryer (300) which is configured to remove water from a refrigerant contained in the refrigerant circuit (500) and which is directly connected to a second connection interface (30) of the at least one connection interface (20, 30, 40) downstream of the first connection interface (20), and a second heat exchanger (400) which is directly connected to a third connection interface (40) of the at least one connection interface (20, 30, 40) downstream of the second connection interface (30). [9] Refrigerant circuit (500) according to claim 8, wherein an expansion valve (167) is provided in the refrigerant outlet (137) of the third connection interface (40). [10] Vehicle with a refrigerant circuit (500) according to claim 8 or 9, wherein the refrigerant circuit (500) is designed in particular for tempering a vehicle interior and / or one or more functional vehicle components.

Citation Information

Patent Citations

  • Horizontal rotary compressor

    JP1997042182A

  • Heat pump device for vehicle

    JP2014059120A

  • JP0000H0942182A

  • JP002014059120A

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