Multiple fluid pumping system

Details Multiple fluid pumping system Multiple fluid pumping system

1982-11-30

1988-12-06

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

With selective proportioning or correlated flow for plural...

222 71, 222134, 222145, 239 68, 239304, 239432, B05B 700

Patent

active

047891009

ABSTRACT:
An apparatus for mixing and dispensing multiple fluids utilizes two fluid reservoirs each in fluid communication with a respective pump for pumping the fluids to a mixing head, the pumps being mechanically connected to each other and adapted to pump fluids from the reservoirs at a predetermined volume ratio, and with a pressure switch provided for measuring fluid pressure to the mixing head and stopping the pumping of fluid at a predetermined maximum pressure while starting the pumping of fluid when the fluid pressure falls below the predetermined maximum pressure. A device for detecting an empty fluid reservoir is used to stop the pumping of fluids to avoid single component pumping. A mechanical torque-releasable coupling is used to disconnect a pump from the pump drive in the event of an internal pump overload.

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