US Patent 7044279 Hydrodynamic torque converter
Patent 7044279 was granted and assigned to ZF Friedrichshafen on May, 2006 by the United States Patent and Trademark Office.
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Patent abstract
To achieve precise control of a clutch arranged inside a converter housing (1) and which connects the converter housing (1) to a pump impeller wheel (3), the converter's internal pressure, which acts on a piston (9) of the actuation device of a clutch (2), is determined by a pressure sensor (12) and the actuation pressure, which acts on the piston (9) in the opposite direction, is adjusted accordingly.
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Patent Inventor Names
Fritz Leber0
Date of Patent
May 16, 2006
0Patent Application Number
107736570
Date Filed
February 6, 2004
0Patent Primary Examiner
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US Patent 7044279 Hydrodynamic torque converter
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