Electronic pressure control

Details Electronic pressure control Electronic pressure control

1993-03-03

1994-02-01

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

With control of pump drive transmission

417 38, 417 44A, 417 44H, F04B 4908

Patent

active

052827224

ABSTRACT:
A pressure control loop apparatus for controlling the operation of an electromagnetic clutch in portable spray painting equipment powered by an internal combustion engine having a pressure transducer for sensing the pressure, a manually adjustable pressure reference, a comparator type error detector, and a pressure deadband control for inserting a deadband in the pressure control loop with the deadband varying as the pressure reference varies.

REFERENCES:
patent: 1245200 (1917-11-01), Davis
patent: 4212591 (1980-07-01), Lamontagne et al.
patent: 5096392 (1992-03-01), Griebel et al.

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