Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1990-07-09
1992-04-07
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
G05D 701
Patent
active
051018543
ABSTRACT:
A low-output flow regulator, including a housing, having an inlet aperture through which a liquid from a liquid source may enter, the inlet aperture is adapted to at least indirectly communicate with a consumer of the liquid, the housing comprises a raised portion with a recessed top surface provided with an opening leading at least indirectly to the consumer, and the raised portion has a circumferential wall surface projecting into the housing. The regulator further includes a cup-shaped elastomeric diaphragm consisting of a relatively thin and, in its position of rest, substantially plane active portion, and an annular wall portion integral with the active portion. The diaphragm is mounted on the raised portion, thereby dividing the housing into an inlet chamber and an outlet chamber, the inside surface of the annular wall portion defines in conjunction with the circumferential wall surface of the raised portion a flow-attenuating passageway for the liquid, and the passageway connects the inlet chamber with the outlet chamber.
REFERENCES:
patent: 3886968 (1975-06-01), Murrel
patent: 4209133 (1980-06-01), Mehoudar
patent: 4241757 (1980-12-01), Bron
patent: 4343305 (1982-08-01), Bron
patent: 4428397 (1984-01-01), Bron
patent: 4508140 (1985-04-01), Harrison
patent: 4769012 (1988-09-01), Quang
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