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:
Dec. 06, 2005
Filed:
Dec. 20, 2004
Franklin R. Smith, Cortland, NY (US);
Braman Wing, Interlaken, NY (US);
Franklin R. Smith, Cortland, NY (US);
Braman Wing, Interlaken, NY (US);
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
A VCT system for an internal combustion engine having at least one camshaft and a VCT phaser mounted to the camshaft. The phaser having a plurality of advance chambers and retard chambers, an advance line in fluid communication with the advance chamber and leading to a cam bearing area of the camshaft, and a retard line in fluid communication with the retard chamber and leading to the cam bearing area of the camshaft. A cam bearing supports the cam bearing area around the camshaft and has ports aligned with the advance line and the retard line. A plurality of seals are located inside the cam bearing. At least one seal is between the ports to the advance line and the retard line, and a pair of seals are on opposite sides of the ports aligned with the advance and retard line. A control system is located separately from the phaser.