IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0056174
(2002-01-24)
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발명자
/ 주소 |
- Hayes, Lisa Mae
- Fast, Gregory Alan
- Pasma, Robert Willard
- Perrine, Glenn D.
- Evans, John M.
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출원인 / 주소 |
- Stanhope Products Co., Calsonickansei North America, Inc.
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대리인 / 주소 |
Wegman Hessler & Vanderburg
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인용정보 |
피인용 횟수 :
12 인용 특허 :
24 |
초록
▼
This invention relates generally to desiccant cartridges for use in R/Ds or accumulators canisters of automotive air conditioning systems. More specifically, this invention relates to a desiccant cartridge including a cup having inner and outer walls coaxially disposed wherein the inner wall defines
This invention relates generally to desiccant cartridges for use in R/Ds or accumulators canisters of automotive air conditioning systems. More specifically, this invention relates to a desiccant cartridge including a cup having inner and outer walls coaxially disposed wherein the inner wall defines an elongated center tube having opposing first and second ends. The first end of the center tube communicating with the outlet port in an R/D or accumulator canister to eliminate the fluid flow tube used therein.
대표청구항
▼
This invention relates generally to desiccant cartridges for use in R/Ds or accumulators canisters of automotive air conditioning systems. More specifically, this invention relates to a desiccant cartridge including a cup having inner and outer walls coaxially disposed wherein the inner wall defines
This invention relates generally to desiccant cartridges for use in R/Ds or accumulators canisters of automotive air conditioning systems. More specifically, this invention relates to a desiccant cartridge including a cup having inner and outer walls coaxially disposed wherein the inner wall defines an elongated center tube having opposing first and second ends. The first end of the center tube communicating with the outlet port in an R/D or accumulator canister to eliminate the fluid flow tube used therein. disposed between the fuel cell stack and the wheel such that the anode exhaust is directed through the expander to wheel for providing the purge gas. 15. The system as defined in claim 1 wherein the adsorbent is selected from the group consisting of magnesium, calcium, manganese, lanthanum, magnesium oxide, calcium oxide, manganese oxides, lanthanum oxides, clay minerals, and mixtures thereof. 16. The system as defined in claim 1 wherein the adsorbent is clay minerals selected from the group consisting of dolomites, sepiolites, hydrotalcites, and mixtures thereof. 17. The system as defined in claim 16 wherein the clay minerals are hydrotalcites promoted with potassium carbonate and are adapted to reversibly adsorb carbon dioxide at temperatures between about 300° C. and about 500° C. 18. The system as defined in claim 1 wherein the catalyst is Fe3O4/Cr2O3. 19. The system as defined in claim 1 wherein the weight ratio of adsorbent to catalyst is between about 1:20 and about 20:1. 20. The system consisting essentially of the apparatus of claim 1 operably disposed between a primary reactor and a fuel cell stack. 21. A system including an apparatus for removing the carbon monoxide from a gas stream passing therethrough, the apparatus comprising: a housing having a pair of valve faces fixed therein, each of said pair of valve faces defining an adsorption region, a depressurization region, a purge region and a pressurization region within said housing; a wheel rotatably supported in said housing, said wheel having a wall formed therein to separate said wheel into a plurality of compartments, each of said plurality of compartments having a catalyst for performing a water gas shift reaction and an adsorbent for adsorbing carbon dioxide and shifting equilibrium towards carbon monoxide consumption; wherein said wheel rotates within said housing between a first position to permit axial flow through said at least one of said plurality of compartments in said adsorption region, a second position to permit axial flow from said at least one of said plurality of compartments in said depressurization region, a third position to permit axial flow through said at least one of said plurality of compartments in said purge region, and a fourth position to permit axial flow to said at least one of said plurality of compartments in said pressurization region. 22. The system as defined in claim 21 wherein the system further comprises an expander downstream of the housing, and wherein the expander provides a purge gas to be fed back into the housing. 23. The system as defined in claim 22 wherein the expander is an isothermal expander. 24. The system as defined in claim 22 which further comprises a fuel cell stack having an anode exhaust, the fuel cell stack disposed between the housing and the expander, and wherein the expander expands the anode exhaust, the expanded anode exhaust providing the purge gas to be fed back into the housing. 25. The system as defined in claim 21 wherein the second adsorbent is selected from the group consisting of: oxides or salts of copper impregnated or exchanged on activated carbon, alumina, and zeolites; oxides or salts of silver impregnated or exchanged on activated carbon, alumina, and zeolites; oxides or salts of tin impregnated or exchanged on activated carbon, alumina, and zeolites; and mixtures thereof. 26. The system defined in claim 21 further comprising a second adsorbent disposed in the housing for adsorbing carbon monoxide. 27. The system as defined in claim 26 wherein the desiccant material is selected from the group consisting of zeolite molecular sieves, activated alumina, silica gels, and mixtures thereof. 28. The system as defined in claim 26 further comprising a desiccant material disposed in the housing upstream of the second adsorbent. 29. The system as defined in claim 28 wherein the clay minerals are promoted with potassium carbonate and are adapt ed to reversibly adsorb carbon dioxide at temperatures between about 300° C. and about 500° C. 30. The system as defined in claim 21 wherein the adsorbent is selected from the group consisting of magnesium, calcium, manganese, lanthanum, magnesium oxide, calcium oxide, manganese oxides, lanthanum oxides, clay minerals, and mixtures thereof. 31. The system as defined in claim 21 wherein the catalyst is Fe3O4/Cr2O3. 32. The apparatus as defined in claim 21 wherein the weight ratio of adsorbent to catalyst is between about 1:20 and about 20:1. 33. The system as defined in claim 21 wherein the adsorbent is clay minerals selected from the group consisting of dolomites, sepiolites, hydrotalcites, and mixtures thereof. 34. The system consisting essentially of the apparatus of claim 21 operably disposed between a primary reactor and a fuel cell stack. gentiobionamide which are monosubstituted or disubstituted with groups --R1--(OR1)nR1R2wherein R1is chosen from alkylene groups, n is an integer greater than 1, and R2is chosen from lactobionamides, maltobionamides, cellobionamides, mellibionamides and gentiobionamides; and (2) polyhydroxylated fatty acid amides chosen from compounds of the following formula: wherein B is chosen from hydrogen, C1-C4hydrocarbon-based radicals, 2-hydroxyethyl, and 2-hydroxypropyl, A is chosen from C5-C31hydrocarbon-based groups, and Z is chosen from: polyhydroxy hydrocarbon-based groups having at least one linear hydrocarbon-based chain with at least 3 hydroxyl groups directly attached to said chains, and new line alkoxy derivatives of said polyhydroxy hydrocarbon-based groups wherein at l
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