Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Patent
1996-01-11
1997-06-17
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
137312, 2513352, F16K 3700
Patent
active
056388624
ABSTRACT:
A valve unit to control the flow of high-pressure fluid comprising a housing having a fluid inlet and a fluid outlet; a flow port in the housing communicating between the inlet and outlet, and a seat about the flow port; stem structure in the housing, and a stopper carried by the stem structure to be moved therewith toward and away from the seat; multiple stacked metallic diaphragms connected to the stem structure and to the housing, to flex and seal off therebetween as the stem structure moves, there being a flow chamber in the housing at one side of the diaphragms, and a control chamber in the housing at the opposite side of the diaphragms; control structure carried by the housing and extending into the control chamber to effect the movement of the stem structure, the control structure being movable relative to the housing; and deformable cushion structure in the control chamber to cushion movement of the diaphragm in one direction, and to conform to diaphragm flexing; the diaphragms having outer portions thereof concave toward the flow chamber.
REFERENCES:
patent: 3874636 (1975-04-01), Balce et al.
patent: 3952691 (1976-04-01), Peltz et al.
patent: 3979105 (1976-09-01), Pool et al.
patent: 4171792 (1979-10-01), Bass
patent: 4203467 (1980-05-01), Cardi
patent: 4684106 (1987-08-01), Kolenc et al.
patent: 4694848 (1987-09-01), Jorgensen et al.
patent: 4760990 (1988-08-01), Kerger et al.
patent: 4840195 (1989-06-01), Zabrenski
patent: 4874007 (1989-10-01), Taylor
patent: 5048554 (1991-09-01), Kremer
patent: 5065788 (1991-11-01), McManigal et al.
patent: 5170659 (1992-12-01), Kemp
patent: 5203370 (1993-04-01), Block et al.
Chambers A. Michael
Haefliger William W.
Vemco Corporation
LandOfFree
Diaphragm valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Diaphragm valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diaphragm valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2152258