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:
May. 03, 2022
Filed:
Feb. 28, 2019
Applicant:
Delphi Automotive Systems Luxembourg SA, Bascharage, LU;
Inventors:
Eric Bourniche, Preutin-Higny, FR;
Marc Cipriano, Russage, FR;
Lucas Giambrone, Haucourt-Moulaine, FR;
Assignee:
Delphi Automotive Systems Luxembourg SA, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 1/344 (2006.01); F01L 1/047 (2006.01);
U.S. Cl.
CPC ...
F01L 1/3442 (2013.01); F01L 1/34409 (2013.01); F01L 1/047 (2013.01); F01L 2001/34443 (2013.01); F01L 2001/34483 (2013.01); F01L 2250/02 (2013.01);
Abstract
A control screw for a camshaft phase shifter of an internal combustion engine extends along a longitudinal axis. The control screw includes a screw body. The control screw also includes a tubular spool assembly having a control valve assembly with at least three rigid rings and at least two valves. Each valve includes at least one vane connected to two flexible arms. The valve is connected to two consecutive rigid rings.