Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SELF CONTAINED ANTI-BLOWOUT SEAL FOR FLUIDS OR GASES
Document Type and Number:
WIPO Patent Application WO2002086356
Kind Code:
A9
Abstract:
A self contained anti-blwout seal includes a seal jacket having a static seal surface and a dynamic seal lip with a cavity therebetween. A retaining ring is provided and disposed, in part, eithin a cavity of the seal jacket and proximate the static seal surface for pressing the static seal surface against a mounting surface. The retaining ring includes a surface extending outside the cavity for bearing against a mounting surface and a depending portion is provided which extends over the cavity opening and includes at least one port communicating with the cavity for enabling a sealing medium to enter and exit the cavity as the seal is pressure energized. A biasing element is provided and disposed in the cavity for forcing the dynamic seal lip against member.

Inventors:
SCHROEDER JOHN W
Application Number:
PCT/US2002/012221
Publication Date:
May 06, 2004
Filing Date:
April 17, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BAL SEAL ENG (US)
International Classes:
F16J15/16; F16J15/32; F16J15/48; F16K1/226; F16K5/06; (IPC1-7): F16J/
Download PDF: