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US 12,680,623 B2Granted
Check valve having a state indication system
AssigneeThe Boeing Company
InventorAmit Kenneth Tiwari Jones
Life of this patent
Estimating the term…
Abstract
A check valve is configured to be disposed within a fluid path. The check valve includes a housing, a poppet retained within the housing, and a state indication system operatively coupled to the poppet. The state indication system is configured to provide an indication of a first operational state of the check valve, and a second operational state of the check valve.
Claims20
A check valve configured to be disposed within a fluid path, the check valve comprising:
- a housing;
- a poppet retained within the housing, wherein the poppet is retained within a passage of the housing, and wherein the poppet comprises:
- a head;
- and
- a stem extending from the head, wherein the stem comprises a main shaft connected to a cam surface, wherein the cam surface connects to a groove;
- and
- a state indication system operatively coupled to the poppet, wherein the state indication system is configured to provide an indication of a first operational state of the check valve, and a second operational state of the check valve.
4 more elements
A system comprising:
- a fluid path;
- and
- a check valve disposed within a fluid path, the check valve comprising:
- a housing;
- a poppet retained within a passage of the housing, wherein the poppet is retained within a passage of the housing, and wherein the poppet comprises a head, and a stem extending from the head, wherein the stem comprises a main shaft connected to a cam surface, wherein the cam surface connects to a groove;
- a spring connected to a spring-retaining foot of the poppet;
- an end cap, wherein the spring is disposed between the end cap and the spring-retaining foot;
- and
- a state indication system operatively coupled to the poppet, wherein the state indication system is configured to provide an indication of a first operational state of the check valve, and a second operational state of the check valve.
6 more elements
A check valve configured to be disposed within a fluid path, the check valve comprising:
- a housing;
- a poppet retained within the housing;
- and
- a state indication system operatively coupled to the poppet, wherein the state indication system is configured to provide an indication of a first operational state of the check valve, and a second operational state of the check valve,
- wherein one or more of a switch, a control unit, or a sensor are in communication with the state indication system.
2 more elements
Dependencies are inferred from the claim text.