IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0210805
(2005-08-25)
|
등록번호 |
US-7430874
(2008-10-07)
|
발명자
/ 주소 |
- Prince,Antonio
- Eisenhour,Ronald S.
- Meram,Alaa
|
출원인 / 주소 |
- Nissan Technical Center North America, Inc.
|
대리인 / 주소 |
Global IP Counselors, LLP
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
14 |
초록
▼
A vehicle air conditioning system is disclosed that includes a compressor, a condenser, a front evaporator and a rear evaporator. The condenser is operably coupled to the compressor. The front evaporator is operably coupled to the condenser and the rear evaporator is operably coupled to the condense
A vehicle air conditioning system is disclosed that includes a compressor, a condenser, a front evaporator and a rear evaporator. The condenser is operably coupled to the compressor. The front evaporator is operably coupled to the condenser and the rear evaporator is operably coupled to the condenser. A high pressure tube operably couples the condenser to the rear evaporator and a low pressure tube operably couples the rear evaporator to the compressor. At least a portion of the high pressure tube and at least a portion of the low pressure tube are formed as a dual conduit section having side-by-side relationship for heat exchange therebetween.
대표청구항
▼
What is claimed is: 1. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube
What is claimed is: 1. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the front evaporator and the rear evaporator; and a low pressure tube operably coupling the rear evaporator and the front evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section having side-by-side relationship of at least one wall for heat exchange therebetween, the dual conduit section being formed unitarily as a single element. 2. The vehicle air conditioning system according to claim 1, wherein at least a portion of the dual conduit section is arranged and configured to extend under a floor of a vehicle, the portion of the dual conduit section being insulated against external heat exchange. 3. The vehicle air conditioning system as set forth in claim 1, wherein the portion of the high pressure tube has a first width and the one wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 4. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the rear evaporator and the front evaporator; and a low pressure tube operably coupling the front evaporator and the rear evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section having side-by-side relationship of at least one wall for heat exchange therebetween, the dual conduit section including a first coupling block at one end and a second coupling block at a second end with the high and low pressure tubes being coupled thereto. 5. The vehicle air conditioning system as set forth in claim 4, wherein an insulating material surrounds the dual conduit section extending between the coupling block at the first end and the coupling block at the second end. 6. The vehicle air conditioning system as set forth in claim 4, wherein the portion of the high pressure tube has a first width and the one wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 7. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the front evaporator and the rear evaporator; and a low pressure tube operably coupling the rear evaporator and the front evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section having side-by-side relationship of at least one wall for heat exchange therebetween and at least a portion of the dual conduit section being arranged and configured to extend under a floor of a vehicle, the portion of the dual conduit section being insulated against external heat exchange and the dual conduit section including a first coupling block at one end and a second coupling block at a second end with the high and low pressure tubes being coupled thereto. 8. The vehicle air conditioning system as set forth in claim 7, wherein an insulating material surrounds the dual conduit section extending between the coupling block at the first end and the coupling block at the second end. 9. The vehicle air conditioning system as set forth in claim 7, wherein the portion of the high pressure tube has a first width and the one wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 10. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the front evaporator and the rear evaporator; and a low pressure tube operably coupling the front evaporator and the rear evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section having side-by-side relationship of at least one wall for heat exchange therebetween, the side-by-side relationship between the portions of the high and low pressure tubes of the dual conduit section comprises a single shared wall therebetween and the portions of the high and low pressure tubes of the dual conduit section are non-concentrically arranged conduits. 11. The vehicle air conditioning system as set forth in claim 10, wherein the portion of the high pressure tube has a first width and the one wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 12. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the front evaporator and the rear evaporator; and a low pressure tube operably coupling the rear evaporator and the front evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section having a first outer wall, a second outer wall, and a shared wall, the first outer wall and the shared wall defining a low pressure refrigerant passageway, the second outer wall and the shared wall defining a high pressure refrigerant passageway, the shared wall providing heat exchange between the low pressure refrigerant passageway and the high pressure refrigerant passageway. 13. The vehicle air conditioning system as set forth in claim 12, wherein an insulating material surrounds at least the dual conduit section. 14. The vehicle air conditioning system as set forth in claim 12, wherein the dual conduit section is formed of a metal material having a predetermined heat sink providing mass. 15. The vehicle air conditioning system as set forth in claim 12, wherein the dual conduit section is formed unitarily as a single element. 16. The vehicle air conditioning system as set forth in claim 12, wherein the dual conduit section includes a first coupling block at one end and a second coupling block at a second end with the high and low pressure tubes being coupled thereto. 17. The vehicle air conditioning system as set forth in claim 16, wherein an insulating material surrounds the dual conduit section extending between the coupling block at the first end and the coupling block at the second end. 18. The vehicle air conditioning system as set forth in claim 12, wherein the low pressure refrigerant passageway and the high pressure refrigerant passageway of the dual conduit section are non-concentrically arranged conduits. 19. The vehicle air conditioning system as set forth in claim 12, wherein the portion of the high pressure tube has a first width and the shared wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 20. The vehicle air conditioning system as set forth in claim 12, wherein the portion of the high pressure tube has a first width and the shared wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is the same as the first width. 21. A vehicle air conditioning system comprising: a compressor; a condenser operably coupled to the compressor; a front evaporator operably coupled between the condenser the compressor; a rear evaporator operably coupled between the condenser the compressor; a high pressure tube operably coupling the condenser to the front evaporator and the rear evaporator; and a low pressure tube operably coupling the rear evaporator and the front evaporator to the compressor, at least a portion of the high pressure tube and at least a portion of the low pressure tube extending at least partway between the front evaporator and the rear evaporator being formed as a dual conduit section with a side-by-side non-concentrically arranged relationship having a first outer wall, a second outer wall, and a shared wall, the first outer wall and the shared wall defining a low pressure refrigerant passageway, the second outer wall and the shared wall defining a high pressure refrigerant passageway, the shared wall providing heat exchange between the low pressure refrigerant passageway and the high pressure refrigerant passageway. 22. The vehicle air conditioning system as set forth in claim 21, wherein an insulating material surrounds at least the dual conduit section. 23. The vehicle air conditioning system as set forth in claim 21, wherein the dual conduit section is formed unitarily as a single element. 24. The vehicle air conditioning system as set forth in claim 21, wherein the dual conduit section includes a first coupling block at one end and a second coupling block at a second end with the high and low pressure tubes being coupled thereto. 25. The vehicle air conditioning system as set forth in claim 24, wherein an insulating material surrounds the dual conduit section extending between the coupling block at the first end and the coupling block at the second end. 26. The vehicle air conditioning system as set forth in claim 21, wherein the portion of the high pressure tube has a first width and the shared wall between the portion of the high pressure tube and the portion of the low pressure tube has a width that is approximately the same as the first width. 27. A vehicle air conditioning system comprising: a compressor including a high pressure side and a low pressure side; a condenser fluidly coupled to the compressor; a front evaporator fluidly coupled between the condenser the compressor; a rear evaporator fluidly coupled between the condenser the compressor; a high pressure tube including a front condenser outlet section fluidly connecting the condenser to the front evaporator, and a rear condenser outlet section fluidly connecting the front evaporator to the rear evaporator such that the front and rear evaporators are arranged in parallel to receive high pressure refrigerant from the condenser; and a low pressure tube including a rear evaporator outlet section fluidly connecting the rear evaporator to the front evaporator, and a front evaporator outlet section fluidly connecting the front evaporator to the low pressure side of the compressor, at least a portion of the rear condenser outlet section of the high pressure tube and at least a portion of the rear evaporator outlet section of the low pressure tube being formed as a dual conduit section having side-by-side relationship of at least one wall for heat exchange therebetween. 28. The vehicle air conditioning system as set forth in claim 27, wherein the portion of the rear condenser outlet section has a first width and the one wall between the portion of the rear condenser outlet section and a portion of the rear evaporator outlet section has a width that is approximately the same as the first width.
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