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US 11,396,950 B2Granted
Check valve assembly having a poppet
AssigneeThe Boeing Company
InventorsVasudevan Harigovindan, Aswin Chandar N C
Life of this patent
Estimating the term…
Abstract
A poppet of a check valve includes a base, a shaft extending from the base, and a sealing head coupled to the shaft and extended away from the base by the shaft. A flow channel is defined between the base, the shaft, and the sealing head. The base includes a plurality of holes.
Claims21
A poppet of a check valve, the poppet comprising:
- a base comprising an internal cavity having a ceiling that is conic, and a plurality of holes to counterbalance back pressure for the check valve, wherein the plurality of holes extend through a flat surface of the base;
- a shaft extending from the flat surface of the base;
- and
- a sealing head coupled to the shaft and extended away from the base by the shaft, wherein a flow channel is defined between the base, the shaft, and the sealing head.
1 more element
A method of forming a poppet of a check valve, the method comprising:
- forming an internal cavity of a base with a ceiling that is conic;
- forming a plurality of holes in the base, wherein said forming the plurality of holes comprises forming the plurality of holes through a flat surface of the base, and extending the plurality of holes to the internal cavity of the base;
- extending a shaft from the base;
- coupling a sealing head to the shaft, wherein said coupling extends the sealing head away from the base;
- and
- defining a flow channel between the base, the shaft, and the sealing head.
3 more elements
A check valve comprising:
- a housing having a central chamber;
- a spring seat secured within the central chamber;
- a biasing spring extending from the spring seat;
- and
- a poppet secured within the central chamber, wherein the biasing spring exerts a biasing force into the poppet, wherein the poppet comprises:
- a base comprising a plurality of holes that extend through a flat surface to an internal cavity of the base, wherein each of the plurality of holes has a central axis that is perpendicular to the flat surface of the base;
- a shaft extending from the flat surface of the base, wherein the plurality of holes are positioned around a root of the shaft that connects to the base, wherein the shaft has a first diameter;
- and
- a sealing head coupled to the shaft and extended away from the base by the shaft, wherein the sealing head has a second diameter that is greater than the first diameter, and wherein a flow channel is defined between the base, the shaft, and the sealing head.
6 more elements
Dependencies are inferred from the claim text.