Fluid pump having magnetic drive

Details Fluid pump having magnetic drive Fluid pump having magnetic drive

1994-02-14

1996-10-15

Thorpe, Timothy S.

Pumps

Three or more cylinders arranged in parallel, radial, or...

Radial cylinders

417415, 417420, 417902, F04B 27053

Patent

active

055649084

ABSTRACT:
A pump includes a housing defining a cavity, an axial bore coaxially communicating with the cavity, at least one radial bore radially extending between the cavity and an outlet, and an inlet communicating with the radial bore intermediate to the cavity and the outlet. A crankshaft having a longitudinal axis is disposed in the axial bore for rotation about the axis and includes an eccentric portion disposed in the cavity. A piston having a base is disposed in the cavity, and has a head disposed in the radial bore for slidable reciprocation between a discharge position proximate the outlet and an intake position at the inlet between the cavity and the outlet. A cage structure including a cage and a slider block connects the piston base to the eccentric portion of the crankshaft for transforming rotation of the eccentric portion in the cavity to reciprocation of the piston in the radial bore. A valve structure opens and closes the outlet in response to movement of the piston head between the discharge position to the intake position.

REFERENCES:
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patent: 2399856 (1946-05-01), Coger
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patent: 5030065 (1991-07-01), Baumann
patent: 5033940 (1991-07-01), Baumann
patent: 5127805 (1992-07-01), Fallis et al.
patent: 5180292 (1993-01-01), Abousabha et al.

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