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US 10,760,691 B2Granted
Air valve seat and land
AssigneeMueller International, LLC
InventorJeff Milroy
Life of this patent
Estimating the term…
Abstract
An air valve includes a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an outlet; a sealing device mounted within the valve body, the sealing device including a first contacting portion and a second contacting portion; and a float moveable within the valve body, the float having a first sealing position and a second sealing position.
Claims21
An air valve comprising:
- a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an outlet;
- a sealing device mounted within the valve body, the sealing device including a first contacting portion and a second contacting portion, one of the first contacting portion and the second contacting portion of the sealing device defining a lower surface;
- and
- a float moveable within the valve body, the float having a first sealing position and a second sealing position, the lower surface of the one of the first contacting portion and the second contacting portion of the sealing device facing an upper surface of the float, a portion of the lower surface in contact with the float and flat in cross-section also angled with respect to a central axis of the sealing device by a non-90-degree angle.
1 more element
A method for venting air from a fluid system, the method comprising:
- installing an air valve apparatus on the fluid system, the air valve apparatus including a valve body defining an inlet and an outlet, a sealing device mounted inside the valve body, and a float moveable within the valve body, the sealing device including a first contacting portion, a second contacting portion, and a third contacting portion;
- moving the float to a first sealing position engaging the first contacting portion but not the second contacting portion or the third contacting portion;
- moving the float to a second sealing position engaging the first contacting portion and the second contacting portion but not the third contacting portion;
- and
- moving the float to a third sealing position engaging the first contacting portion, the second contacting portion, and the third contacting portion, a gap remaining between an upper surface of the float and at least a portion of one of the first contacting portion and the second contacting portion.
2 more elements
An air valve comprising:
- a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an outlet;
- a sealing device mounted within the valve body, the sealing device including a first contacting portion and a second contacting portion;
- and
- a float moveable within the valve body and defining an upper surface, the float having a first sealing position and a second sealing position, one of the first contacting portion and the second contacting portion of the sealing device defining a lower surface parallel to the upper surface of the float.
1 more element
Dependencies are inferred from the claim text.