Invention Grant
- Patent Title: Device for variably adjusting the control times of gas exchange valves of an internal combustion engine
- Patent Title (中): 用于可变地调节内燃机的气体交换阀的控制时间的装置
-
Application No.: US12307934Application Date: 2007-06-21
-
Publication No.: US08006660B2Publication Date: 2011-08-30
- Inventor: Andreas Strauss , Michael Busse
- Applicant: Andreas Strauss , Michael Busse
- Applicant Address: DE Herzogenaurach
- Assignee: Schaeffler Technologies GmbH & Co. KG
- Current Assignee: Schaeffler Technologies GmbH & Co. KG
- Current Assignee Address: DE Herzogenaurach
- Agency: Volpe and Koenig, P.C.
- Priority: DE102006031593 20060708
- International Application: PCT/EP2007/056190 WO 20070621
- International Announcement: WO2008/006684 WO 20080117
- Main IPC: F01L1/34
- IPC: F01L1/34

Abstract:
A device (10) for variably adjusting control times of gas exchange valves (9a, 9b) of an internal combustion engine (1) is provided, having an external rotor (22) and an internal rotor (23) that is arranged such that it can rotate in relation to the external rotor. One of the components is drivingly connected to the crankshaft (2) and the other component is drivingly connected to the camshaft (6, 7). At least one pressure chamber (33) is provided and each of the pressure chambers (33) is divided into two counter-working pressure chambers (35, 36). One of the pressure chambers (35, 36) of each pressure chamber (33) acts as an advance chamber and the other pressure chamber (35, 36) as a trailing chamber. At least two rotation angle limiting devices (42, 43) are provided, each of the rotation angle limiting devices (42, 43) being able to assume an unlocked state and locking state. The locking state can be adjusted by supplying or withdrawing a pressure medium to and from the respective rotation angle limiting devices (42, 43).
Public/Granted literature
- US20090314234A1 DEVICE FOR VARIABLY ADJUSTING THE CONTROL TIMES OF GAS EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE Public/Granted day:2009-12-24
Information query