Invention Grant
- Patent Title: Internal combustion engine having a hydraulic device for adjusting the rotation angle of a camshaft relative to a crankshaft
- Patent Title (中): 内燃机具有用于调节凸轮轴相对于曲轴的旋转角度的液压装置
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Application No.: US11152703Application Date: 2005-06-14
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Publication No.: US07222597B2Publication Date: 2007-05-29
- Inventor: Jochen Auchter , Andreas Strauss , Lutz Witthöft , Michael Busse , Dirk Heintzen , Jürgen Plate
- Applicant: Jochen Auchter , Andreas Strauss , Lutz Witthöft , Michael Busse , Dirk Heintzen , Jürgen Plate
- Applicant Address: DE
- Assignee: INA-Schaeffler KG
- Current Assignee: INA-Schaeffler KG
- Current Assignee Address: DE
- Agency: Ostrolenk, Faber, Gerb & Soffen, LLP
- Priority: DE102004028868 20040615
- Main IPC: F01L1/34
- IPC: F01L1/34

Abstract:
A hydraulic device for adjusting the rotation angle of a camshaft relative to a crankshaft in an internal combustion engine. The device has a rotor, with blades arranged around its periphery. A stator is connected in a rotationally secure manner to a drive wheel. The rotor and the stator together form pressure chambers, which can be filled with hydraulic fluid via a hydraulic fluid system, in which there is disposed a volume accumulator.
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