Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1987-08-10
1990-02-27
Michalsky, Gerald A.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137495, 13750529, 13750538, 137907, G05D 1606
Patent
active
049037269
ABSTRACT:
A vacuum regulating cartridge (10) having a roller diaphragm (52), a coil spring (54) and a cantilevered spring arm (68) to form a regulation system for regulating vacuum in a medical regulating vacuum controller (26).
REFERENCES:
patent: 1620322 (1927-03-01), Browne
patent: 4137912 (1979-02-01), O'Neil
patent: 4238991 (1980-12-01), Pickles
patent: 4513785 (1985-04-01), Kenny
Carden Douglas D.
Hodge Colin
Martin Gordon D.
Aeros Instruments, Inc.
Michalsky Gerald A.
The BOC Group, Inc., Ohmeda Division
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