Electropneumatic converter

Details Electropneumatic converter Electropneumatic converter

1986-04-14

1988-01-12

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

With plural separate drive motors for single pump unit

417 46, 417383, 417390, 623 3, F04B 4900, F04B 908, F04B 1706

Patent

active

047188332

ABSTRACT:
An electropneumatic converter is provided comprising a gear pump. The two othed wheels are driven by two electric motors rotating at high speed in opposite directions. The control circuits for each of the motors are independent and a single motor may drive the pump permanently.
The converter is used, for example in an activator for a cardiac module or artificial heart.

REFERENCES:
patent: 2621608 (1952-12-01), McIntyre
patent: 3496879 (1970-02-01), Brandes
patent: 4381567 (1983-05-01), Robinson
patent: 4382799 (1983-05-01), Isaacson
patent: 4611578 (1986-09-01), Heimis

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