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:
Mar. 15, 2016
Filed:
Aug. 23, 2012
Mark Wigsten, Lansing, NY (US);
Michael W Marsh, Dryden, NY (US);
Mark Wigsten, Lansing, NY (US);
Michael W Marsh, Dryden, NY (US);
BorgWarner, Inc., Auburn Hills, MI (US);
Abstract
A variable cam timing phaser () includes a fluid transfer assembly with at least one of a fluid transfer sleeve () having a plurality of pressurized fluid passages (), and a fluid transfer plate () having a plurality of pressurized fluid passages (). Each passage () extends in fluid communication with a corresponding circumferentially spaced annular groove segment portion () for selective communication with first and second vane-type hydraulic couplings () depending on an angular orientation of the fluid transfer sleeve () during rotation. Each passage () extending from a corresponding centrally located port () in fluid communication with a radially extending passage portion () and with an arcuately extending passage portion ().