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:
Jan. 05, 2016
Filed:
Nov. 25, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Harbind S. Chahal, Novi, MI (US);
Charles K. Evans, Jr., Willis, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60T 13/24 (2006.01); B60T 8/40 (2006.01); B60T 8/32 (2006.01); B60T 13/52 (2006.01); B60T 17/06 (2006.01); B60T 15/02 (2006.01); B60T 17/02 (2006.01);
U.S. Cl.
CPC ...
B60T 13/241 (2013.01); B60T 8/3265 (2013.01); B60T 8/3275 (2013.01); B60T 8/4077 (2013.01); B60T 13/52 (2013.01); B60T 15/02 (2013.01); B60T 17/02 (2013.01); B60T 17/06 (2013.01);
Abstract
A vacuum enhancer having four apertures, one of which is open to the atmosphere, wherein a piston selectively restricts fluid flow through an ejector based on a pressure differential between a vacuum chamber within the vacuum booster and true atmospheric pressure.