Pressure relief before or upon electric shut off of pump

Details Pressure relief before or upon electric shut off of pump Pressure relief before or upon electric shut off of pump

1986-08-22

1989-05-30

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

Return from liquid pump outlet to supply holder

239124, 74483R, 1376371, 251254, 118707, 417305, B05B 904

Patent

active

048342874

ABSTRACT:
A valve control mechanism for a paint spraying system provides for pressure relief prior to turn-off of the compressor. A pair of interlocking knobs, a pressure control knob and an off-prime-spray knob, are mechanically interlocked so that the compressor can only be turned on and off in a low pressure condition. When spraying has been completed, it is necessary to first operate the off-prime-spray knob to the prime position at which a cam structure opens the off-prime-spray valve for an immediate pressure relief prior to turn off of the pump.

REFERENCES:
patent: 1190685 (1916-07-01), Teachout et al.
patent: 2011824 (1935-08-01), Pearson
patent: 3147767 (1964-09-01), Goss
patent: 3628727 (1971-12-01), Gjerde
patent: 4390324 (1983-06-01), Karliner

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