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Patent Searching and Data


Title:
HYDROGEN PUMP AND FUEL CELL SYSTEM USING THE SAME
Document Type and Number:
Japanese Patent JP2004150298
Kind Code:
A
Abstract:

To provide a hydrogen pump and a fuel cell system using the hydrogen pump capable of protecting the hydrogen pump from locking due to freezing without lowering pump performance.

In the hydrogen pump, hydrogen gas is sucked and exhausted into a casing 12 with the rotation of an impeller 14. A groove is cut in the end face 19 of the impeller 14 or the inside face 20 of the casing 12 opposed to it.


Inventors:
Sugawara, Tatsuya
Kasuya, Okasato
Saito, Katsumi
Shimanuki, Hiroshi
Application Number:
JP2002000314147
Publication Date:
May 27, 2004
Filing Date:
October 29, 2002
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F04D23/00; H01M8/00; H01M8/04; H01M8/10; (IPC1-7): F04D23/00; H01M8/04
Attorney, Agent or Firm:
志賀 正武
高橋 詔男
青山 正和
鈴木 三義
西 和哉
村山 靖彦