Valve construction
OwnerWilliam Ross McLennaninventor
Life of this patent
Estimating the term…
Abstract
A valve assembly for sealing and control of a fluid, gas or dry material. The valve assembly includes a seal assembly having a hollow seal, a related valve body, and an actuator assembly. The valve body has a generally circular internal cavity with the seal assembly having a generally tubular solid wall defined tip having a flexible wall portion containing a seal element used to seal against both static and dynamic forces. An actuator assembly actuates the seal assembly. The seal assembly is situated coaxially within the valve internal cavity and thereby defines an internal fluid passageway within the valve body.
Claims23
A valve assembly comprising:
- a valve body comprising an inlet, an outlet, and an internal cavity;
- a seal assembly comprising a solid wall defined tip situated coaxially within the internal cavity, thereby defining an internal fluid passageway within the valve body;
- and
- an actuator assembly in sealing mechanical communication with the seal assembly for actuating the seal assembly;
- wherein the defined tip comprises a flexible wall portion spaced from the actuator assembly to accept and retain a seal element and the internal cavity comprises a seat surface at an inlet end to seatingly and sealingly receive the defined tip.
A seal assembly for use inside a valve body comprising a solid wall defined tip coaxially situated within the valve body to define an internal fluid passageway within the valve body;
- the defined tip comprising a seal element retained within a flexible wall portion.
A method of sealing a valve comprising actuating an actuator assembly to move a seal assembly axially inward within a valve body;
- wherein
- the valve body comprises an inlet, an outlet, and an internal cavity;
- the seal assembly comprises a solid wall defined tip situated coaxially within a valve body internal cavity, thereby defining an internal fluid passageway within the valve body;
- and
- the actuator assembly is in sealing mechanical communication with the seal assembly;
- and
- the defined tip comprises a flexible wall portion spaced from the actuator assembly to accept and retain a seal element and the internal cavity comprises a seat surface at an inlet end to seatingly and sealingly receive the defined tip.
Dependencies are inferred from the claim text.