Fluid pump

Details Fluid pump Fluid pump

1984-07-12

1985-12-17

Husar, Cornelius J.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417412, 417478, 604153, F04B 4902, A61M 500

Patent

active

045589895

ABSTRACT:
A fluid pump device for use in conjunction with a tubular pumping chamber which is composed of an elastic material and which has a pair of spaced-apart unidirectional valves through which fluid can be passed with cyclic compression and expansion of the chamber. The pump device is intended for medical or veterinary applications and it comprises spaced-apart clamp elements between which the pumping chamber can be removably located, an electrically actuated solenoid device for effecting cyclic relative movement of the clamp elements whereby cyclic changes in the contained volume of the pumping chamber are induced when the chamber is located between the clamp elements, and electrical circuitry associated with the solenoid for energizing the solenoid at a selectable repetition rate.

REFERENCES:
patent: 2351828 (1944-06-01), Marsh
patent: 3349716 (1967-10-01), Weber
patent: 3620650 (1971-11-01), Shaw
patent: 3985133 (1976-10-01), Jenkins
patent: 4047844 (1977-09-01), Robinson
patent: 4199307 (1980-04-01), Jassawalla
patent: 4277226 (1981-07-01), Archibald
patent: 4411652 (1983-10-01), Kramer et al.

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