Pumps – Motor driven – Electric or magnetic motor
Patent
1996-01-19
1998-02-03
Thorpe, Timothy
Pumps
Motor driven
Electric or magnetic motor
417417, 92248, F04B 1704
Patent
active
057137285
ABSTRACT:
A positive displacement inductive pump includes a housing having first and second ends, and a bore extending from the first end to the second end. A piston is positioned entirely within the bore and defines at least one substantially enclosed displacement chamber. The piston includes a metal rod, and a corrosion resistant lining that completely encapsulates the metal rod. First and second inductive coils are each wrapped around an outer circumference of the housing and are each alternatingly energizable to produce respective first and second induced magnetic fields causing metal piston to move to oppositely located first and second positions within the bore. At least one check valve assembly is attached to one of the first and second ends and is in communication with the at least one displacement chamber. The at least one check valve assembly allows for the respective ingress and egress of a material into and out of the at least one displacement chamber through the check valve assembly and in dependence on a respective directional movement of the piston.
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Korytnyk Peter G.
Thorpe Timothy
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