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:
Nov. 03, 2015
Filed:
Jan. 21, 2013
Applicant:
Kelsey-hayes Company, Livonia, MI (US);
Inventor:
Joseph A. Starr, Plymouth, MI (US);
Assignee:
Kelsey-Hayes Company, Livonia, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 13/16 (2006.01); F04B 19/00 (2006.01); B60T 11/236 (2006.01); B60T 13/14 (2006.01); B60T 17/02 (2006.01); F04B 1/04 (2006.01); F04B 53/02 (2006.01); F04B 53/16 (2006.01); B60T 8/40 (2006.01);
U.S. Cl.
CPC ...
B60T 13/161 (2013.01); B60T 11/236 (2013.01); B60T 13/146 (2013.01); B60T 17/02 (2013.01); F04B 1/0421 (2013.01); F04B 1/0439 (2013.01); F04B 53/02 (2013.01); F04B 53/164 (2013.01); B60T 8/4031 (2013.01);
Abstract
A vehicular hydraulic braking pump includes a sleeve having an inner bore defining an inner bore surface and a piston having a stop collar and a ramped seal face. The stop collar, ramped seal face, and the inner bore cooperating to define a seal pocket which traps a high pressure seal therein. The ramped seal face provides contact of the high pressure seal to the sleeve inner bore that is proportional to fluid pressure acting on the high pressure seal.