Title:
バルブ装置及びガス消費ユニット
Document Type and Number:
Japanese Patent JP7236698
Kind Code:
B2
Abstract:
To provide a valve device which prevents entry of foreign objects into the valve device, and to provide a gas consuming unit.SOLUTION: A relief body 41 is formed into a ring shape fitted on a cylindrical body part 13 so as to move forward or rearward along an axial direction L in a cover part 30. A valve device is provided with: a relief spring 42 which biases the relief body 41 to the base end side Lb with a biasing force of a predetermined pressure or lower; two O rings 4 which are spaced apart from each other in the axial direction L and seal a space between the cylindrical body part 13 and the relief body 41; and a third passage R3 which allows a space between the two O rings 4 in between the cylindrical body part 13 and the relief body 41 and the first passage R1 to communicate with each other. An effective area of the O ring 4b at the base end side Lb is formed wider than an effective area of the O ring 4a at the tip side Lf.SELECTED DRAWING: Figure 6
Inventors:
Kazuto Matsumoto
Hayato Kato
Takeda Masaru
Kazuyuki Miyata
Hayato Kato
Takeda Masaru
Kazuyuki Miyata
Application Number:
JP2019094181A
Publication Date:
March 10, 2023
Filing Date:
May 18, 2019
Export Citation:
Assignee:
Iwatani Corporation
Neriki Co., Ltd.
Neriki Co., Ltd.
International Classes:
F17C13/04; F16K51/00; F17C11/00
Domestic Patent References:
| JP2001304499A | ||||
| JP57165218U | ||||
| JP60059945U | ||||
| JP6063329A | ||||
| JP7044971U | ||||
| JP2016011739A | ||||
| JP2006161956A |
Foreign References:
| WO2017191768A1 |
Attorney, Agent or Firm:
Motoaki Nagata
Eiji Daejeon
Yoshiaki Nagata
Eiji Daejeon
Yoshiaki Nagata
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