US4510759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalhydride container and metal hydride heat storage system
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1982-09-14
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Granted: 1985-04-16
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Expires: 2002-09-14
Abstract
Abstract A metal hydride container, comprising a heat pipe of annular cross section, a metal hydride filling the central cavity of said heat pipe, closure members serving to close the openings at the opposite ends of said central cavity, a hydrogen passage tube possessed of a shut-off valve and fitted into an aperture formed in one of said closure members and communicated with the cavity of the heat pipe through a partition member pervious to hydrogen gas and impervious to said metal hydride; and a metal hydride heat storage system comprising at least one metal hydride container abovementioned, which is useful for storing solar heat and waste heat.
Inventors
- 👤 Takashi Sakai
- 👤 Naojiro Honda
- 👤 Ikuo Yonezu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:35
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/0233; C; C01; C01B; C01B3/00; C01B3/0005; F17; F17C; F17C11/00; F17C11/005; F28D15/04; F28D15/046; F28D20/00; F28D20/003; Y; Y02; Y02E; Y02E60/00; Y02E60/14; Y02E60/30; Y02E60/32; Y02E70/00; Y02E70/30; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S123/00; Y10S123/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
131 words
A metal hydride container for use in storing heat from and releasing heat to a medium in a heat exchanger, comprising a heat pipe of annular cross section, said heat pipe comprising an outer tube and an inner tube together defining a sealed space between said tubes, a wick inserted in said space and a working fluid filling said space, a metal hydride filling the central cavity of said inner tube, closure members serving to close the openings at the opposite ends of said central cavity, a hydrogen passage tube possessed of a shut-off valve and fitted into an aperture formed in one of said closure members, and communicated with the central cavity of the inner tube through a partition member pervious to hydrogen gas and ipervious to said metal hydride.
Claim 2
Dependent Claim
131 words
A metal hydride container for use in storing heat from and releasing heat to a medium in a heat exchanger, comprising a heat pipe of annular cross section, said heat pipe comprising an outer tube and an inner tube together defining a sealed space between said tubes, a wick inserted in said space and a working fluid filling said space, a metal hydride filling the central cavity of said inner tube, closure members serving to close the openings at the opposite ends of said central cavity, a hydrogen passage tube possessed of a shut-off valve and fitted into an aperture formed in one of said closure members, and communicated with the central cavity of the inner tube through a partition member pervious to hydrogen gas and ipervious to said metal hydride.
Claim 3
Dependent Claim
41 words
A metal hydride container according to claim 1, wherein said partition member is a tubular partition pervious to hydrogen gas and impervious to the metal hydride, having a closed leading end, and extended within the central cavity of the heat pipe.
Claim 4
Dependent Claim
40 words
A metal hydride container according to claim 1, wherein said partition member is a plate-like partition pervious to hydrogen gas and impervious to the metal hydride and disposed fast on the inner wall surface of one of the closure members.
Claim 5
Dependent Claim
33 words
A metal hydride container according to claim 1, wherein said partition member is a plate-like partition disposed in the hydrogen passage tube between the shut-off valve and the closure member containing the aperture.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-15 | 1988-10-15 | 1989-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-15 | 1992-10-15 | 1993-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-15 | 1996-10-15 | 1997-04-16 | $7700.00 | Window Closed / Lapsed |