Blow-by circuit

Details Blow-by circuit Blow-by circuit

1985-08-22

1986-11-04

Peters, Jr., Joseph F.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Waste disposal or drip collecting

239332, 222108, 222318, B05B 904

Patent

active

046206698

ABSTRACT:
There is disclosed herein a liquid spray gun which may be used for spraying paint. The gun includes a piston pump for withdrawing liquid from a reservoir and providing a force for spraying the liquid. The gun also includes a nozzle for receiving liquid from the piston and spraying the liquid under pressure. The piston pump includes a collection port for accumulating leakage liquid or flow from within the pump. A fluid circuit collects leakage liquid from the collection port and delivers the leakage liquid to a position forward and adjacent the nozzle. The fluid circuit includes a conduit having an inlet end connected to the collection port and an outlet end positioned adjacent the nozzle. The high velocity spray creates a low pressure area adjacent the nozzle and a venturi effect in the fluid circuit means for cooperation in drawing the liquid from the collection port to the nozzle.

REFERENCES:
patent: 1013348 (1912-01-01), Whitaker
patent: 2279010 (1942-04-01), Nichols
patent: 3554408 (1971-01-01), Fremstad
patent: 3809506 (1974-05-01), Malcosky

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