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:
Dec. 19, 2023

Filed:

Jun. 30, 2022
Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventors:

Dengfu Zhang, Northville, MI (US);

Akhter uz Zaman, Novi, MI (US);

Pablo Davilla, Howell, MI (US);

Mark Davis, Plymouth, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04C 14/18 (2006.01); F04C 2/344 (2006.01); F04C 15/00 (2006.01);
U.S. Cl.
CPC ...
F04C 14/18 (2013.01); F04C 2/3446 (2013.01); F04C 15/0034 (2013.01); F04C 2240/30 (2013.01);
Abstract

A sliding vane pump includes a fixed housing defining inlet and outlet ports and a sliding housing defining a cylindrical cavity and configured to slide within the fixed housing. The fixed housing and the sliding housing define a gap therebetween. A rotor is configured to rotate within the cylindrical cavity and has a plurality of vanes configured to seal against an inner circumferential wall of the cylindrical cavity to define a plurality of pumping chambers. A seal is located in the gap disposed between the fixed housing and the sliding housing to split the gap into first and second compensation chambers. The first chamber is fluidly connected to a first pumping chamber of the plurality of pumping chambers and the second chamber is connected to a second pumping chamber of the plurality of pumping chambers.


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