IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0263109
(2005-10-31)
|
| 등록번호 |
US-7478541
(2009-01-20)
|
|
발명자
/ 주소 |
- Manole,Dan M.
- Coffey,Donald L.
- Moore,Michael J.
|
| 출원인 / 주소 |
- Tecumseh Products Company
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
1 인용 특허 :
87 |
초록
▼
A refrigeration system for use in cooling electronic equipment includes a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator. A first part of the evaporator receives working fluid
A refrigeration system for use in cooling electronic equipment includes a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator. A first part of the evaporator receives working fluid from the first expansion device at a first pressure, and a second part of the evaporator receives working fluid from the second expansion device at a second pressure that is different than the first pressure.
대표청구항
▼
What is claimed is: 1. A refrigeration system for use in cooling electronic equipment, said system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator, wherein a firs
What is claimed is: 1. A refrigeration system for use in cooling electronic equipment, said system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator, wherein a first part of said evaporator receives working fluid from said first expansion device at a first pressure, and a second part of said evaporator receives working fluid from said second expansion device at a second pressure that is different than the first pressure, wherein said second expansion device receives working fluid from said first expansion device, and the second pressure is less than the first pressure. 2. A refrigeration system for use in cooling electronic equipment, said system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator, wherein a first part of said evaporator receives working fluid from said first expansion device at a first pressure, and a second part of said evaporator receives working fluid from said second expansion device at a second pressure that is different than the first pressure, wherein a working fluid temperature in said first part of said evaporator is higher than a working fluid temperature in said second part of said evaporator during operation. 3. A refrigeration system for use in cooling electronic equipment, said system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator, wherein a first part of said evaporator receives working fluid from said first expansion device at a first pressure, and a second part of said evaporator receives working fluid from said second expansion device at a second pressure that is different than the first pressure, wherein said first part of said evaporator at least partially envelops said second part of said evaporator. 4. The refrigeration system of claim 3 wherein said first part of said evaporator comprises a means for thermally insulating said second part of said evaporator. 5. A refrigeration system for use in cooling electronic equipment, said system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator, wherein a first part of said evaporator receives working fluid from said first expansion device at a first pressure, and a second part of said evaporator receives working fluid from said second expansion device at a second pressure that is different than the first pressure, and further comprising a third expansion device configured to receive working fluid from said first part of said evaporator. 6. The refrigeration system of claim 5 wherein said third expansion device is configured to provide working fluid to said compressor at a pressure that is substantially equal to a pressure at which said second part of said evaporator provides working fluid to said compressor. 7. A compact refrigeration system comprising a closed vapor compression circuit having operably disposed therein a compressor, a condenser, at least one expansion device and a two-part evaporator, a first part of said evaporator at least partially enveloping a second part of said evaporator, said circuit being configured such that a working fluid temperature in said first part of said evaporator is higher than a working fluid temperature in said second part of said evaporator during operation. 8. The system of claim 7 wherein said at least one expansion device comprises a first expansion device and a second expansion device, said circuit being configured such that said first part of said evaporator receives working fluid from said first expansion device, and said second part of said evaporator receives working fluid from said second expansion device. 9. The system of claim 8 wherein said circuit is configured such that said first part of said evaporator receives working fluid from said first expansion device at a first pressure, and said second part of said evaporator receives working fluid from said second expansion device at a second pressure that is different than the first pressure. 10. The system of claim 9 wherein said second expansion device receives working fluid from said first expansion device, and the second pressure is less than the first pressure. 11. The system of claim 7 wherein said first part of said evaporator comprises a means for thermally insulating said second part of said evaporator. 12. The system of claim 7 wherein said first part of said evaporator abuts said second part of said evaporator. 13. A method of operating a refrigeration system comprising: providing a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator; receiving working fluid in a first part of said evaporator from said first expansion device at a first pressure; and receiving working fluid in a second part of said evaporator from said second expansion device at a second-pressure that is different from said first pressure, and comprising a further step of receiving working fluid in said second expansion device from said first expansion device, the second pressure being less than the first pressure. 14. A method of operating a refrigeration system comprising: providing a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator; receiving working fluid in a first part of said evaporator from said first expansion device at a first pressure; and receiving working fluid in a second part of said evaporator from said second expansion device at a second pressure that is different from said first pressure, wherein a working fluid temperature in said first part of said evaporator is higher than a working fluid temperature in said second part of said evaporator during operation. 15. A method of operating a refrigeration system comprising: providing a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator; receiving working fluid in a first part of said evaporator from said first expansion device at a first pressure; and receiving working fluid in a second part of said evaporator from said second expansion device at a second pressure that is different from said first pressure, and comprising a further step of using said first part of said claim evaporator to at least partially envelop said second part of said evaporator. 16. The method of claim 15 wherein said using step includes using said first part of said evaporator to thermally insulate said second part of said evaporator. 17. A method of operating a refrigeration system comprising: providing a closed vapor compression circuit having operably disposed therein a compressor, a condenser, a first expansion device, a second expansion device, and a two-part evaporator; receiving working fluid in a first part of said evaporator from said first expansion device at a first pressure; and receiving working fluid in a second part of said evaporator from said second expansion device at a second pressure that is different from said first pressure, and comprising a further step of receiving working fluid in a third expansion device from said first part of said evaporator. 18. The method of claim 17 comprising a further step of using said third expansion device to provide working fluid to said compressor at a pressure that is substantially equal to a pressure at which said second part of said evaporator provides working fluid to said compressor. 19. The method of claim 17, comprising a further step of using said second expansion device and said third expansion device to separate the working fluid into liquid working fluid and vapor working fluid.
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