High pressure paint pump

Details High pressure paint pump High pressure paint pump

1987-08-14

1988-09-06

Croyle, Carlton R.

Pumps

With condition responsive pumped fluid control

Manual actuation of condition responsive valve

417307, 2395903, F04B 4108, B05B 100

Patent

active

047689293

ABSTRACT:
A pump system is provided for the pressurization of liquid paint sufficient for hydraulic atomization when the paint is released through the nozzle of a spray gun. The system includes a high pressure pump with an inlet communicating with a source of liquid paint and an outlet, a motor for driving the pump, a pressure controller having a sensing element for sensing and controlling the pressure of the liquid paint delivered by the pump, a filter for filtering the liquid paint delivered by the pump, and a by-pass valve for priming the system on start-up. A multiplex unit is detachably secured to the pressure outlet of the pump and includes a continuous fluid passageway therethrough which begins at the pump outlet and terminates at an outlet port which communicates with a spray gun. The passageway includes the sensing element of the pressure sensor, the filter, and the by-pass valve.

REFERENCES:
patent: 2630759 (1953-03-01), Mahlon
patent: 3317141 (1967-05-01), Mann
patent: 3819303 (1974-06-01), Pfleger
patent: 4527745 (1985-07-01), Butterfield et al.
patent: 4634347 (1987-01-01), Gauffin et al.
patent: 4635857 (1987-01-01), Hughes

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