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:
Feb. 18, 2014

Filed:

Jun. 05, 2007
Applicants:

David Heaps, Haworth, GB;

John Hegarty, Wakefield, GB;

Inventors:

David Heaps, Haworth, GB;

John Hegarty, Wakefield, GB;

Assignee:

Wabco Automotive UK Limited, Morley, Leeds, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/00 (2006.01); F04B 35/04 (2006.01); F16N 13/20 (2006.01); F04C 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a combined gas and liquid pump () for an internal combustion engine (). The pump () includes a casing () having a cavity () containing a rotor () and a vane () slidably mounted to the rotor (), wherein the cavity () is provided with an inlet () connectable to a gas source, a further inlet () connectable to a liquid source which is separate to the gas source, and an outlet (). The rotor () and vane () are movable to draw liquid and gas into the cavity () through the respective inlets () and to move said liquid and gas out of the cavity () through the outlet (). The inlets () are arranged through the casing () such that fluid is drawn first through one of the inlets and then through the other of the inlets before being discharged through the outlet ().


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