Combination check valve and pressure rise rate valve

Details Combination check valve and pressure rise rate valve Combination check valve and pressure rise rate valve

2007-08-21

2007-08-21

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S493600, C137S512300, C137S513500, C137S540000, C251S284000

Reexamination Certificate

active

11177267

ABSTRACT:
A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, and a check poppet attached to the valve insert. In addition, the valve may include a cylinder positioned within the valve insert, a piston slidably positioned within the cylinder, a spring positioned between the cylinder and the valve insert, and an accumulator formed between the cylinder and the piston.

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