Flush valve with an electronic sensor and solenoid valve

Details Flush valve with an electronic sensor and solenoid valve Flush valve with an electronic sensor and solenoid valve

1988-04-19

1988-12-27

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

4302, 4304, 4305, 4DIG3, 251 3005, 251 45, F16K 3102, F16K 31126

Patent

active

047935880

ABSTRACT:
The invention relates to flush valves in which an external operating handle is eliminated. An electronic sensor, solenoid valve and a solenoid contained within a single unit to operate a flush valve are provided which is either built into the flush valve or can be retrofitted to a conventional flush valve with an external operating handle. The solenoid valve can also be controlled by external means separate and apart from the infra-red sensor mechanism.

REFERENCES:
patent: 1614468 (1927-01-01), Haas
patent: 3079952 (1963-03-01), Miller
patent: 3202396 (1965-08-01), Delany et al.
patent: 3291439 (1966-12-01), Goldstein
patent: 3493008 (1970-02-01), Scaglione
patent: 4295631 (1981-10-01), Allen
patent: 4309781 (1982-01-01), Lissau
patent: 4570272 (1986-02-01), Kawaguchi et al.
patent: 4604764 (1986-08-01), Enzo
patent: 4624017 (1986-11-01), Foletta

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