Feed control system for pumping fluids to dishwashers and the li

Details Feed control system for pumping fluids to dishwashers and the li Feed control system for pumping fluids to dishwashers and the li

1979-02-22

1980-12-30

Jenkins, Robert W.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

417477, F04B 4900

Patent

active

042420512

ABSTRACT:
A peristaltic feed pump, driven by a shaded pole motor, is provided to feed sticky, thixotropic fluids such as soaps, detergents, rinse additives, etc., to a dishwasher, chemical reactor, and the like. The shaded pole motor comprises a constant torque, A.C. portion and a D.C. electromagnetic brake portion.
The net effect of the motor enables the fluid to be fed to the dishwasher by the pump within reasonable limits of linearity.

REFERENCES:
patent: 3334285 (1967-08-01), Blake
patent: 3502034 (1970-03-01), Pickup
patent: 3737251 (1973-06-01), Berman
patent: 3799702 (1974-03-01), Weishaar
patent: 4108575 (1978-08-01), Wilfried

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