Pump Valve with Full Elastomeric Contact on Seat
AssigneeWeir SPM, Inc.
InventorJohn E. Hawes
Life of this patent
Estimating the term…
Abstract
This invention relates to valve assemblies having a valve seat body having an axial bore therethrough; wherein the valve seat body has an inclined seat surface located on an upper end of the seat body. The valve assemblies further include a valve member having a valve body such that the valve body is positioned within the axial bore of the valve seat body. A seal is disposed between the seat surface of the seat body and an annular seal surface of the valve member such that the seal prevents contact between the seat surface of the seat body and the valve member.
Claims17
A valve assembly comprising:
- a valve seat body having an axial bore therethrough;
- said valve seat body having an inclined seat surface located on an upper end of the seat body;
- a valve member having a valve body such that the valve body is positioned within the axial bore of the valve seat body;
- a seal disposed between the seat surface of the seat body and an annular seal surface of the valve member such that the seal prevents contact between the seat surface of the seat body and the valve member.
A valve assembly comprising:
- a valve seat body having an axial bore therethrough;
- said valve seat body having an inclined seat surface located on an upper end of the seat body;
- a valve member having a valve body such that the valve body is positioned within the axial bore of the valve seat body, said valve body including an annular seal surface;
- a first seal formed into the seat surface of the valve seat body, said first seal covering the seat surface of the valve seat body;
- wherein the first seal is disposed between the seat surface of the seat body and an annular seal surface of the valve member preventing contact between the seat surface of the seat body and the valve member.
A valve assembly comprising:
- a valve seat body having an axial bore therethrough;
- said valve seat body having an inclined seat surface located on an upper end of the seat body;
- a valve member having a valve body such that the valve body is positioned within the axial bore of the valve seat body, said valve body including an annular seal surface having a cavity formed around said annular seal surface;
- a seal positioned in the cavity formed around the annular seal surface such that the seal is disposed between the seat surface of the seat body and an annular seal surface of the valve member preventing contact between the seat surface of the seat body and the valve member.
Dependencies are inferred from the claim text.