Back to results
US 2007/0180987 A1Published application
Annular seal and pump including same
AssigneeSaint-Gobain Performance Plastics Corporation
InventorsJonathan An, Robert Racicot
Life of this patent
Estimating the term…
Abstract
A seal includes a seal body forming an annular sealing surface. The annular sealing surface includes an annular ridge protruding substantially radially from the annular sealing surface. The seal body includes an annular cavity. The seal also includes first and second annular springs located adjacent to each other in the annular cavity.
Claims37
A seal comprising:
- a seal body forming an annular sealing surface, the annular sealing surface including an annular ridge protruding substantially radially from the annular sealing surface, the seal body including an annular cavity;
- and
- first and second annular springs located adjacent to each other in the annular cavity.
(canceled)
(canceled)
(canceled)
(canceled)
A seal comprising:
- a seal body forming first and second annular sealing surfaces, the seal body including an annular cavity located between the first and second annular sealing surfaces, the first and second annular sealing surfaces configured to be substantially parallel when engaged between a housing and a rod;
- and
- first and second annular springs located adjacent to each other in the annular cavity.
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
A pump comprising:
- a housing including an axial bore;
- a rod located within the axial bore;
- and
- an annular seal located between the housing and the rod, the annular seal comprising:
- a seal body forming an annular sealing surface, the annular sealing surface including a ridge protruding radially from the annular surface, the seal body including an annular cavity;
- and
- first and second annular springs located adjacent to each other in the annular cavity.
4 more elements
Dependencies are inferred from the claim text.