Title:
流量を制御する装置
Document Type and Number:
Japanese Patent JP2012511127
Kind Code:
A
Abstract:
Apparatus to control a fluid flow are disclosed. An example fluid flow control apparatus described herein includes a signal stage comprising a signal stage relay having a supply plug being operatively connected to a valve seat at a first end and an exhaust seat at a second end and a seal operatively coupled to the supply plug such that the seal provides a feedback area to apply a fluid pressure feedback force to the exhaust seat.
Inventors:
Label, michael ken
Application Number:
JP2011539703A
Publication Date:
May 17, 2012
Filing Date:
December 03, 2009
Export Citation:
Assignee:
Fisher Controls International Limited Liability Company
International Classes:
F15B9/08; F16K31/363; F15B13/042; G05D7/03
Domestic Patent References:
| JPH0361706A | 1991-03-18 | |||
| JP2004360805A | 2004-12-24 | |||
| JPS484475Y1 | 1973-02-03 | |||
| JPS458123B1 |
Foreign References:
| US3052254A | 1962-09-04 | |||
| US4974625A | 1990-12-04 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office