Invention Grant
- Patent Title: Hydraulic camshaft adjuster having a locking pin for centre-locking provided for controlling a hydraulic medium
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Application No.: US14774753Application Date: 2013-12-11
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Publication No.: US09759102B2Publication Date: 2017-09-12
- Inventor: Michael Busse
- Applicant: Schaeffler Technologies AG & Co. KG
- Applicant Address: DE Herzogenaurach
- Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee: Schaeffler Technologies AG & Co. KG
- Current Assignee Address: DE Herzogenaurach
- Agency: Davidson, Davidson & Kappel, LLC
- Priority: DE102013204928 20130320
- International Application: PCT/DE2013/200351 WO 20131211
- International Announcement: WO2014/146626 WO 20140925
- Main IPC: F01L1/34
- IPC: F01L1/34 ; F01L1/344

Abstract:
A hydraulic camshaft adjuster, including a rotor and a stator and a hydraulic medium management system, by which at least two chambers separated by a rotor-fixed vane can be or are connected to a hydraulic medium supply device and/or hydraulic medium discharge device by an interposed hydraulic valve, wherein the vane contains a switchable hydraulic medium control device designed for selective release and interruption of a fluid connection from one chamber to the other chamber. A locking device for excluding a rotational movement between the rotor and the stator locks the rotor to the stator in a vane position in which the volume of the two chambers is approximately equal, and includes a pin, interlockable with a stator-fixed component, designed to control the inflow and/or outflow of hydraulic medium to/from a chamber.
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