Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Patent
1991-12-09
1993-09-28
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Rotary electric actuator
25112914, 251 77, 2511292, 251147, F16K 3104
Patent
active
052481247
ABSTRACT:
A single-unit, remote shut-off module for use by the disabled and infirm has a single-unit module attached by clamps to external water source and outflow connector pipes and housing a shaft which itself houses a plunger with a rubber ball seal which is guided through a shaft guide by electrical current from an electrical motor unit, which is fitably attached above the external water source connector pipe to direct the plunger into the seal of the mouth of the outflow connector pipe, and thereby to interrupt the communication of water from the external water source connector pipe through the module into the outflow connector pipe during a plumbing emergency at the discretion of the user.
REFERENCES:
patent: Re17689 (1930-06-01), Hibbard
patent: Re31204 (1983-04-01), Sanner
patent: 386242 (1888-07-01), Frye
patent: 1585816 (1926-05-01), Atherton
patent: 2038289 (1936-04-01), Herbster
patent: 4286626 (1981-09-01), Leiben
patent: 4538645 (1985-09-01), Perach
patent: 4790514 (1988-12-01), Marks
patent: 5011112 (1991-04-01), Glamm
patent: 5052656 (1991-10-01), Katayama
Rosenthal Arnold
Walker Alfred M.
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