Plumbing control system and method for prisons

Details Plumbing control system and method for prisons Plumbing control system and method for prisons

1989-07-20

1991-01-22

Recla, Henry J.

Baths, closets, sinks, and spittoons

Flush closet or urinal and wash receptacle

4313, 4DIG3, 4DIG15, A47K 400

Patent

active

049859447

ABSTRACT:
A flushing control system for prisons and the like includes a fixture and a source of water. A solenoid operated valve is interposed between the fixture and the source for regulating the flow of water to the fixture. A capacitance sensor is operably associated with the fixture for requesting operation of the valve. A control mechanism is operably associated with the capacitance sensor and with the valve for causing operation of the valve to be delayed for a selected period after the sensor has been operated and for limiting the number of operations of said valve per unit time.

REFERENCES:
patent: 2860348 (1958-11-01), McClenahan
patent: 3987502 (1976-10-01), Hartman
patent: 4030145 (1977-06-01), Rowan
patent: 4041557 (1977-08-01), Ringler
patent: 4195374 (1980-04-01), Morris et al.
patent: 4203173 (1980-05-01), Morris et al.
patent: 4471498 (1984-09-01), Robertshaw
patent: 4538307 (1985-09-01), Barnum et al.
patent: 4716605 (1988-01-01), Shepherd et al.
patent: 4802246 (1989-02-01), Laverty, Jr.

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