IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0611258
(1996-03-05)
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발명자
/ 주소 |
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대리인 / 주소 |
Woodard, Emhardt, Moriarty, McNett &
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인용정보 |
피인용 횟수 :
1 인용 특허 :
12 |
초록
▼
A group of known refrigerants, (R-227ea, R-124, R-134a, R-143a, R-125, R-E125, R-E143a, R-E227ca2, R-254cb, R-600a, R-142b, R-22, R-290, R-E170, R-1270, R-1216, R-218, R-C318, R-C270), that may be combined in novel ways to produce several excellent “drop-in” substitutes for refrigerants R-12 or R-50
A group of known refrigerants, (R-227ea, R-124, R-134a, R-143a, R-125, R-E125, R-E143a, R-E227ca2, R-254cb, R-600a, R-142b, R-22, R-290, R-E170, R-1270, R-1216, R-218, R-C318, R-C270), that may be combined in novel ways to produce several excellent “drop-in” substitutes for refrigerants R-12 or R-500. The performance of the preferred “drop-in” substitutes for R-12 or R-500 of the present invention often exceeds that of the refrigerant being replaced, while maintaining acceptable oil circulation with existing mineral oils used in R-12 or R-500 refrigeration and air conditioning systems.
대표청구항
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1. A mixture of refrigerants that is a drop-in substitute for dichlorodifluoromethane in dichlorodifluoromethane refrigeration systems, comprising isobutane (R-600a) is present in about 3 weight percent, 1-chloro-1,1-difluoroethane (R-142b) is present in about 18 weight percent, 2-chloro-1,1,1,2-tet
1. A mixture of refrigerants that is a drop-in substitute for dichlorodifluoromethane in dichlorodifluoromethane refrigeration systems, comprising isobutane (R-600a) is present in about 3 weight percent, 1-chloro-1,1-difluoroethane (R-142b) is present in about 18 weight percent, 2-chloro-1,1,1,2-tetrafluoroethane (R-124) is present in about 24 weight percent, and chlorodifluoromethane (R-22) is present in about 55 weight percent, the weight percentages of said components being weight percentages of the overall mixture.2. The method for producing refrigeration in a refrigeration system comprising employing as a refrigerant a composition comprising isobutane (R-600a) present in about 3 weight percent, 1-chloro-1,1-difluoroethane (R-142b) present in about 18 weight percent, 2-chloro-1,1,1,2-tetrafluoroethane (R-124) present in about 24 weight percent, and chlorodifluoromethane (R-22) present in about 55 weight percent, the weight percentages of said components being weight percentages of the overall mixture.
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