Invention Grant
- Patent Title: Ejector apparatus for fuel cell
- Patent Title (中): 燃料电池喷射装置
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Application No.: US13356969Application Date: 2012-01-24
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Publication No.: US08999593B2Publication Date: 2015-04-07
- Inventor: Takahide Kato , Takao Ikenaga , Kazunori Fukuma
- Applicant: Takahide Kato , Takao Ikenaga , Kazunori Fukuma
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Keihin Corporation,Honda Motor Co., Ltd.
- Current Assignee: Keihin Corporation,Honda Motor Co., Ltd.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Carrier Blackman & Associates, P.C.
- Agent Joseph P. Carrier; Anne G. Sabourin
- Priority: JP2011-012810 20110125
- Main IPC: H01M8/04
- IPC: H01M8/04

Abstract:
An ejector apparatus for a fuel cell includes an ejector main body including an inlet port, an outlet port, a suction port, and an oxidizer-gas supply port, a first to third chambers provided in the body, a nozzle having a nozzle hole discharging the fuel gas, a diffuser mixing the fuel gas discharged from the nozzle hole and the fuel offgas exhausted from the fuel cell and returned to the suction port, a needle fixed on a side of the body and extending along an axial direction of the nozzle in a hollow portion thereof, and first and second diaphragms arranged to oppose each other, and changing an opening area in a gap between the nozzle hole and an outer peripheral face of a top end of the needle, wherein a pressure receiving area of the first diaphragm is set to be larger than that of the second diaphragm.
Public/Granted literature
- US20120189927A1 EJECTOR APPARATUS FOR FUEL CELL Public/Granted day:2012-07-26
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