Title:
PRESSURE RELEASE VALVE
Document Type and Number:
WIPO Patent Application WO/2003/044397
Kind Code:
A1
Abstract:
A pressure release valve, comprising a shaft part (20) concentrically installed in a pressure release port (10) provided in a sealing plate (3) sealingly fitted to the opening part of the case of a capacitor or a battery and the valve body (30) fixedly fitted to the inside of the pressure release port (10) having a seal lip (33) facing the outside of a pressure container, and closely fitted to the outer peripheral surface of the shaft part (20) with a specified tension, whereby, when a pressure inside the case rises beyond a specified value, the seal lip (33) is operated to open the valve so as to release the pressure inside the case to the atmosphere.
Inventors:
NAKAYAMA JUNICHI (JP)
MUKAIDA TOSHIHIRO (JP)
KANDA TSUYOSHI (JP)
SAITO ATSUSHI (JP)
YAMASHITA KAZUO (JP)
MUKAIDA TOSHIHIRO (JP)
KANDA TSUYOSHI (JP)
SAITO ATSUSHI (JP)
YAMASHITA KAZUO (JP)
Application Number:
PCT/JP2002/012195
Publication Date:
May 30, 2003
Filing Date:
November 21, 2002
Export Citation:
Assignee:
NOK CORP (JP)
NAKAYAMA JUNICHI (JP)
MUKAIDA TOSHIHIRO (JP)
KANDA TSUYOSHI (JP)
SAITO ATSUSHI (JP)
YAMASHITA KAZUO (JP)
NAKAYAMA JUNICHI (JP)
MUKAIDA TOSHIHIRO (JP)
KANDA TSUYOSHI (JP)
SAITO ATSUSHI (JP)
YAMASHITA KAZUO (JP)
International Classes:
F16K17/04; F16K41/00; H01G9/12; H01M2/12; (IPC1-7): F16J12/00; F16J15/32; H01G9/12; H01M2/12
Foreign References:
| JPS5921574U | 1984-02-09 | |||
| JPH0575563U | 1993-10-15 | |||
| JP2000135985A | 2000-05-16 | |||
| JPH0381460U | 1991-08-20 | |||
| JPS4517467Y1 | 1970-07-17 | |||
| JP2001513591A | 2001-09-04 |
Other References:
See also references of EP 1447600A4
Attorney, Agent or Firm:
Nomoto, Yoichi (8-4 Nishi-Shinbashi 2-chom, Minato-ku Tokyo, JP)
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