Fluid handling – Processes
Patent
1997-10-27
1999-09-14
Lee, Kevin
Fluid handling
Processes
251 61, 251359, 251903, 251284, F16K 4300
Patent
active
059506504
ABSTRACT:
A high pressure regulator is provided with a valve member, a seat member, and an actuator. The axial position of the seat member may be selectively fixed with respect to the body. The valve member is axially moveable with respect to the seat member, and includes a flange member for engaging a shoulder surface on the body for limiting movement of the sealing member relative to the seat member. The sealing member preferably has a very slight taper of less than 10.degree. for maximizing the sealing area with the seat member. A frustro-conical sealing bore in the seat member preferably has a long axial length which is at least 50% of a nominal diameter of the valve member in sealing engagement with an annular seal between the body and the valve member. The cap housing includes an interior deflection surface for deflecting fluid from the seating bore. An improved method of regulating fluid includes selectively adjusting the axial position of the seat member with respect to the body and limiting movement of the sealing member by engagement of the flange member with the shoulder surface on the body.
REFERENCES:
patent: 2750957 (1956-06-01), Tavola
patent: 3217742 (1965-11-01), Merrill
patent: 4620562 (1986-11-01), Pacht
patent: 5141022 (1992-08-01), Black
patent: 5201491 (1993-04-01), Domangue
patent: 5549277 (1996-08-01), Franz
Butterworth Jetting Systems Inc.
Lee Kevin
LandOfFree
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