Patent · US Active

Control valve of a camshaft adjuster

US9267399B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

David Kohler · Windsor, US
Markus Kinscher · Höchstadt an der Aisch, DE
Ali Bayrakdar · Pegnitz, DE

Key dates

Filing date	Apr 12, 2013
Grant date	Feb 23, 2016
Priority date	—
Expiry date	Apr 12, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2001/34459
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A control valve (1) of a camshaft adjuster, which has a housing (2) having three pin openings (5a, 5b, 5c), spaced apart axially from each other, wherein two pin openings (5a, 5b) are each connected to the tank connection (T) in two axial positions of the control piston (4) and the third pin opening (5c) is not connected to the tank connection (T) in a third axial position of the control piston (4) in a fluid-conducting manner.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.