Title:
DIFFUSION CONTROLLED AIR VENT AND RECIRCULATION AIR MANAGER FOR A METAL-AIR BATTERY
Document Type and Number:
WIPO Patent Application WO1997015090
Kind Code:
A3
Abstract:
A ventilation system having a micromachine air mover for a metal-air battery. The metal-air battery has a housing for enclosing at least one metal-air cell. The housing isolates the metal-air cell from the ambient atmosphere except for a pair of diffusion tubes. The micromachine air mover is an air pump that generates air flow by actuating a diaphragm which causes the diaphragm to vibrate. As a result of the vibration of the diaphragm, the pressure within the micromachine air mover's pump chamber varies and directional air flow is created through the housing and across the metal-air cell. When the micromachine air mover is not operating, the diffusion tubes provide a barrier to prevent diffusion of air through the housing.
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Inventors:
PEDICINI CHRISTOPHER S
WITZIGRUETER JOHN D
WITZIGRUETER JOHN D
Application Number:
PCT/US1996/016657
Publication Date:
November 20, 1997
Filing Date:
October 17, 1996
Export Citation:
Assignee:
AER ENERGY RESOURCES INC (US)
International Classes:
H01M6/50; H01M12/06; H01M8/04; (IPC1-7): H01M12/06; H01M6/50
Domestic Patent References:
| WO1990011625A1 | 1990-10-04 | |||
| WO1995021469A1 | 1995-08-10 | |||
| WO1994002966A2 | 1994-02-03 |
Foreign References:
| US5356729A | 1994-10-18 | |||
| FR1575640A | 1969-07-25 | |||
| EP0294327A2 | 1988-12-07 | |||
| US5183222A | 1993-02-02 | |||
| EP0476484A2 | 1992-03-25 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 011, no. 077 (E - 487) 7 March 1987 (1987-03-07)
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