Pumping arrangement

Details Pumping arrangement Pumping arrangement

2002-07-24

2008-12-23

Kramer, Devon C (Department: 3746)

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

Reexamination Certificate

active

07467927

ABSTRACT:
A pumping arrangement for a paint circulation system comprising a reciprocating pump (13), and characterized by an alternating current induction motor (15), a rotary-to-linear motion converter (16) coupling the output of the induction motor (15) to a drive input of the pump (13), an alternating current frequency inverter (24a) controlling said induction motor, switch means (26) for reversing rotation of the induction motor (15) at the ends of the stroke of the reciprocating pump (13), and, a surge eliminator (28) communicating with the output side of said pump (13) to augment the pressure in the circulation system during stroke reversal of the pump.

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Notice of Reasons for Rejection for Japanese Application No. 2003-517452 mailed Aug. 17, 2007.

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