The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2008
Filed:
Jul. 24, 2002
Applicant:
Nigel Charles Wood, Burntwood, GB;
Inventor:
Nigel Charles Wood, Burntwood, GB;
Assignee:
ITW Limited, Berkshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pumping arrangement for a paint circulation system comprising a reciprocating pump (), and characterized by an alternating current induction motor (), a rotary-to-linear motion converter () coupling the output of the induction motor () to a drive input of the pump (), an alternating current frequency inverter () controlling said induction motor, switch means () for reversing rotation of the induction motor () at the ends of the stroke of the reciprocating pump (), and, a surge eliminator () communicating with the output side of said pump () to augment the pressure in the circulation system during stroke reversal of the pump.