Pressure relief valve
AssigneeEngineered Controls International, LLC
InventorGuangbin Cao
Life of this patent
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Abstract
Pressure-relief valves are disclosed. A valve for conveying fluid includes a body, a valve seat, and a valve seat disc. The body includes a plurality of inner surfaces. The valve seat includes a curved outer surface. A first portion of the curved outer surface is configured to contact at least one of the plurality of inner surfaces of the body to secure the valve seat in the body. The valve seat disc is configured to move between a closed position at which the valve seat disc sealingly engages a second outer portion of the curved outer surface of the valve seat and an open position at which the valve seat disc is disengaged from the curved outer surface of the valve seat.
Claims20
A valve for conveying fluid, the valve comprising:
- a body including one or more inner surfaces;
- a valve seat including an outer surface that is configured to contact the one or more inner surfaces of the body to secure the valve seat in and form a sealed connection with the body, wherein the body is made of a first material and the valve seat is made of a different second material, and wherein the first material of the body includes a greater coefficient of thermal expansion than the second material of the valve seat;
- and
- a valve seat disc configured to move between a closed position at which the valve seat disc sealingly engages the outer surface of the valve seat and an open position at which the valve seat disc is disengaged from the outer surface of the valve seat.
A valve for conveying fluid, the valve comprising:
- a body including a plurality of inner surfaces;
- a valve seat including a curved outer surface, wherein a first portion of the curved outer surface is configured to contact at least one of the plurality of inner surfaces of the body to secure the valve seat in the body;
- and
- a valve seat disc configured to move between a closed position at which the valve seat disc sealingly engages a second outer portion of the curved outer surface of the valve seat and an open position at which the valve seat disc is disengaged from the curved outer surface of the valve seat.
Dependencies are inferred from the claim text.