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:
Aug. 13, 2013
Filed:
Mar. 16, 2006
Jody Slike, Farmington Hills, MI (US);
Patrick Hertrich, Novi, MI (US);
Paul Po-wen Yu, Ypsilanti, MI (US);
Jody Slike, Farmington Hills, MI (US);
Patrick Hertrich, Novi, MI (US);
Paul Po-Wen Yu, Ypsilanti, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Systems and methods for improving seal performance in a centrifugal water pump for an internal combustion engine increase static pressure at the seal by incorporating a combination of slots and ribs into a seal cavity of the pump housing that are positioned to convert dynamic fluid pressure into static pressure at the seal while reducing coolant velocity at the seal. Vent holes in the impeller having an appropriate size and location may also be used to increase the static pressure at the seal to enhance seal performance.