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.

Date of Patent:
May. 27, 2003

Filed:

Oct. 31, 2001
Applicant:
Inventor:

Mason B. Mount, Mansfield, OH (US);

Assignee:

The Gorman-Rupp Company, Mansfield, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 3/910 ; F04B 5/310 ;
U.S. Cl.
CPC ...
F04B 3/910 ; F04B 5/310 ;
Abstract

A pump ( ) includes a chamber ( ) communicating with a fluid inlet ( ) and a fluid outlet ( ) above the centerline thereof to minimize dead air space where air bubbles might form. A connector ( ) having a bend or elbow ( ) is formed at the fluid inlet ( ). Upon actuation of a solenoid ( ), a plunger ( ) carrying a diaphragm ( ) is moved to draw fluid around the elbow ( ), through a valve ( ) positioned at the fluid inlet ( ), through the chamber ( ), and out of the pump ( ) through a valve ( ) positioned at the fluid outlet ( ). The energy of the fluid which might otherwise create a water hammer effect is absorbed by the elbow ( ) prior to reaching the pump ( ).


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