IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0993161
(2006-06-30)
|
등록번호 |
US-7758768
(2010-08-09)
|
우선권정보 |
BR-0502759(2005-06-30) |
국제출원번호 |
PCT/BR2006/000136
(2006-06-30)
|
§371/§102 date |
20080121
(20080121)
|
국제공개번호 |
WO07/003024
(2007-01-11)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
A lubricant oil for a refrigeration machine, lubricant composition and refrigeration machine and system, said refrigeration machine and system being of the type that operates with a refrigerant consisting of at least one component of the HC (hydrocarbon) group, the lubricant oil consisting of an alk
A lubricant oil for a refrigeration machine, lubricant composition and refrigeration machine and system, said refrigeration machine and system being of the type that operates with a refrigerant consisting of at least one component of the HC (hydrocarbon) group, the lubricant oil consisting of an alkylbenzene oil containing at least 80% by weight of alkylbenzene having a molecular weight of 120-288 and having a viscosity between about 3.0 and 7.0 cSt at a temperature of 40° C. and the lubricant composition consisting of said alkylbenzene oil and until about 8% by weight of one or more additives selected from a group consisting of improvers of oxidation resistance and thermal stability, corrosion inhibitors, metal inactivators, lubricity additives, viscosity index improvers, reducers of fluidity and flocculation point, detergents, dispersants, antifoaming agents, antiwear agents and extreme pressure resistant additives.
대표청구항
▼
The invention claimed is: 1. A refrigeration system including a refrigeration machine containing alkylbenzene lubricant oil and comprising a refrigerant consisting of at least one component of the HC (hydrocarbon) group, wherein the refrigeration system comprises a lubricant oil constituted by an a
The invention claimed is: 1. A refrigeration system including a refrigeration machine containing alkylbenzene lubricant oil and comprising a refrigerant consisting of at least one component of the HC (hydrocarbon) group, wherein the refrigeration system comprises a lubricant oil constituted by an alkylbenzene oil containing at least 85% by weight of straight-chain alkylbenzene having an average molecular weight of 239-244 g/Mol, and having a viscosity between about 3.0 and 7.0 cSt at a temperature of 40° C. 2. A refrigeration system containing an alkylbenzene lubricant oil and comprising a refrigerant consisting of at least one component of an HC (hydrocarbon) group, wherein the refrigeration system comprises a lubricant composition constituted by: an alkylbenzene oil containing at least 85% by weight of straight-chain alkylbenzene having an average molecular weight of 239-244 g/Mol, and having a viscosity between about 3.0 and 7.0 cSt at a temperature of 40° C.; and up to about 8% by weight of one or more additives selected from a group consisting of improvers of oxidation resistance and thermal stability, corrosion inhibitors, metal inactivators, lubricity additives, viscosity index improvers, reducers of fluidity and flocculation point, detergents, dispersants, antifoaming agents, antiwear agents and extreme pressure resistant additives. 3. The refrigeration system, as set forth in claim 1, wherein the alkylbenzene contains 1-4 alkyl groups, each group containing 1-15 carbon atoms and the total amount of carbon atoms in the alkyl groups being 3-15. 4. The refrigeration system, as set forth in claim 3, wherein the alkylbenzene contains 1-4 alkyl groups, each group containing 1-13 carbon atoms and the total amount of carbon atoms in the alkyl groups being 3-13. 5. The refrigeration system, as set forth in claim 1, wherein the alkylbenzene comprises at least one alkyl group. 6. The refrigeration system, as set forth in claim 5, wherein the alkylbenzene is selected from the group consisting of monoalkylbenzene, dialkylbenzene or a mixture thereof. 7. The refrigeration system, as set forth in claim 1, wherein the refrigerant of the HC (hydrocarbon) group comprises at least one of the refrigerants containing HC-600a and HC-290. 8. The refrigeration system, as set forth in claim 2 wherein it comprises an alkylbenzene oil containing at least 85% and preferably at least 90% by weight of straight-chain alkylbenzene. 9. The refrigeration system, as set forth in claim 2 wherein the alkylbenzene comprises at least one alkyl group. 10. The refrigeration system, as set forth in claim 2 wherein the refrigerant of the HC (hydrocarbon) group comprises at least one of the refrigerants containing HC-600a and HC-290. 11. The refrigeration system, as set forth in claim 2 wherein the alkylbenzene has an average molecular weight of 239-244 g/Mol. 12. The refrigeration system of claim 1, wherein the alkylbenzene oil contains at least 90% by weight of straight-chain alkylbenzene. 13. The refrigeration system of claim 2, wherein the alkylbenzene oil contains at least 90% by weight of straight-chain alkylbenzene.
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