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:
May. 01, 2001
Filed:
Sep. 13, 1999
George A. Clark, Lewis Center, OH (US);
Robert J. Hayes, Lewis Center, OH (US);
The Gorman-Rupp Company, Mansfield, OH (US);
Abstract
A pump (,) includes a motor (,) which rotates a pumping assembly (,) which includes a face plate (,) and a cylinder (,). A piston (,) reciprocates in the cylinder (,) to draw fluid into the cylinder (,) from an intake groove (,) and an intake port (,) formed in a manifold plate (,) positioned adjacent to the face plate (,), and to thereafter discharge that fluid to a discharge groove (,) and a discharge port (,) formed in the manifold plate (,). The piston (,) rides on a swash plate (,) as the face plate (,) rotates, and the extent of reciprocation of the piston (,) and therefore the amount of fluid to be dispersed on each reciprocation of the piston (,) is controlled by an adjuster wheel (,) which can be moved to allow the swash plate (,) to pivot a predetermined extent. As such, the pump (,) can dispense a known precise amount of fluid on each reciprocation of the piston (,).