Pumps – Motor driven – Magnetostrictive chamber
Patent
1986-04-29
1987-01-13
Croyle, Carlton R.
Pumps
Motor driven
Magnetostrictive chamber
417413, 417568, 60528, 60529, F04B 1700
Patent
active
046361499
ABSTRACT:
The biomedical pump includes a housing with an internal pump chamber defined by a first rigid concave wall formed by the pump body, and an opposed flexible wall defined by a diaphragm incorporating a heat responsive disc for a thermal-responsive pumping movement between a first position overlying and conforming to the body defined first wall and a second position outwardly spaced therefrom. An inlet passageway and an outlet passageway each communicate with the interior of the chamber through the pump body. Each passageway incorporates a one-way check valve for a directional control of the fluid flow in response to the heat induced diaphragm movement.
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Collins Henry W.
Cordis Corporation
Croyle Carlton R.
Stout Donald E.
Vigil Thomas R.
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