Title:
ダイアフラム駆動装置についてシャフトを密封する装置
Document Type and Number:
Japanese Patent JP2010513823
Kind Code:
A
Abstract:
Apparatus to seal a shaft to a diaphragm in a diaphragm actuator are disclosed. An example apparatus for use in a diaphragm actuator has a central aperture and an integral sealing protrusion disposed about a circumference of the central aperture. The sealing protrusion is configured to sealingly engage a shaft of the diaphragm actuator.
Inventors:
Bethman, John Curl
Application Number:
JP2009543081A
Publication Date:
April 30, 2010
Filing Date:
December 12, 2007
Export Citation:
Assignee:
Fisher Controls International Limited Liability Company
International Classes:
F16J3/02; F16K31/165
Domestic Patent References:
| JPS6167461U | 1986-05-09 | |||
| JPS4945247A | 1974-04-30 | |||
| JPS59127959U | 1984-08-28 | |||
| JPS54142455A | 1979-11-06 | |||
| JPH04244603A | 1992-09-01 | |||
| JPS6167461U | 1986-05-09 | |||
| JPS4945247A | 1974-04-30 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office