Fluid sprinkling – spraying – and diffusing – Serially operated distribution means
Patent
1975-08-14
1977-05-31
Cherry, Johnny D.
Fluid sprinkling, spraying, and diffusing
Serially operated distribution means
91411A, 91412, 137114, 239 94, 239 99, 239284R, 417523, B05B 108, B60S 146, F15B 1120, F15B 1302
Patent
active
040264688
ABSTRACT:
A headlamp cleaning assembly of the type for cleaning vehicle headlamps and including first and second nozzles for jetting an air/liquid mixture against a headlight surface. A regulator means is included for mixing air and liquid and for sequentially supplying the resultant air/liquid mixture to the first nozzle for a first period of time and then to the second nozzle for a second period of time to complete one cycle. The regulator includes a piston slidably disposed in a cavity to define an air/liquid mixing chamber which is opposed by a liquid charging chamber. The piston also defines an air actuation chamber which, when supplied air, moves the piston from a start position to a charged position to charge by filling the charging chamber with liquid. A stem is connected to and extends upwardly from the piston and is slidably disposed in a stem chamber for actuating an air valve which, in turn, allows pressurized air to flow into the stem chamber. A selector valve is in fluid communication with the stem chamber for selectively controlling the flow of the air/liquid mixture between the first and second nozzles. A porting valve is in fluid communication with the stem chamber through an accumulator chamber and is responsive to air pressure in the stem chamber for moving to an open position to allow air pressure to flow to the mixing chamber to drive the piston against the liquid charged chamber so that liquid will flow through a check valve and a timing and atomizing nozzle into the mixing chamber. Also included is a manually actuated control valve which is actuatable to allow air pressure to flow to the air actuating chamber to initiate a cycle.
REFERENCES:
patent: 3169676 (1965-02-01), Hanselmann
patent: 3356101 (1967-12-01), Tacchi
patent: 3593015 (1971-07-01), Marchant
patent: 3872670 (1975-03-01), Dezelan et al.
Clemett, Jr. Edwin F.
Tinder David V.
Cherry Johnny D.
Kashnikow Andres
McCord Corporation
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