Dispensing – Automatic control – Temperature responsive or soluble controller
Patent
1990-09-27
1992-05-12
Shaver, Kevin P.
Dispensing
Automatic control
Temperature responsive or soluble controller
99280, 222641, 222644, 2221465, B67D 508, G04C 2300
Patent
active
051119692
ABSTRACT:
A control apparatus is provided for a dispensing mechanism having an electrically operated dispensing control member and a sensor for sensing a first predetermined condition and producing a condition control signal for permitting or preventing operation of the dispensing control member in accordance with the predetermined condition. The control apparatus comprises a dispensing duration timer responsive to the condition control signal for permitting operation of the dispensing control member, for producing a dispensing control signal for a selectable amount of time for controlling the time duration of the operation of the dispensing control member and a delay timer responsive to the dispensing duration timer control for a selectable amount of time following dispensing duration of the timer control signal for preventing a further operation of the dispensing duration timer for a selectable amount of time following each dispensing operation.
REFERENCES:
patent: 3823846 (1974-07-01), Probst
patent: 3976222 (1976-08-01), Spagnolo
patent: 4004715 (1977-01-01), Williams et al.
patent: 4055279 (1977-10-01), Lapera et al.
patent: 4202387 (1980-05-01), Upton
patent: 4331262 (1982-05-01), Snyder et al.
patent: 4450987 (1984-05-01), Boettcher et al.
patent: 4782744 (1988-11-01), Bunn
patent: 4917005 (1990-04-01), Knepler
Bunn-O-Matic Corporation
Shaver Kevin P.
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