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Title:
ソレノイド弁
Document Type and Number:
Japanese Patent JP4851056
Kind Code:
B2
Abstract:
A valve assembly including a body having an inlet port, an outlet port, and a valve seat having a passageway. An electrical solenoid assembly moves a valve member upon being energized to control fluid flow between the inlet and the outlet ports. The valve assembly also includes a fluid-tight bellows positioned to apply a force to the valve member, and a pressure balancing passageway connects the inlet port to the bellows. The valve assembly further includes a housing received over the solenoid assembly and having a flange received against the valve body. A seal is positioned between the flange of the housing and the valve body, and a collar is secured in a continuous manner to the valve body over the housing flange, thereby securing the housing to the valve body and applying a sealing force to the seal in a substantially even manner.

Inventors:
Anastus, Jeffrey, Vi.
Application Number:
JP2002542793A
Publication Date:
January 11, 2012
Filing Date:
September 07, 2001
Export Citation:
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Assignee:
MKS Instruments, Incorporated
International Classes:
F16K31/06; F16K41/10
Domestic Patent References:
JPS57137878A1982-08-25
JPS6483979A1989-03-29
JPS6245484A1987-02-27
JPH11270729A1999-10-05
Attorney, Agent or Firm:
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui



 
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