The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8725374 B1

PDF
Full Text
Expired
Date of Patent:
May. 13, 2014

Filed:

May. 20, 2013
Applicant:

Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;

Inventors:

Erhard Hodrus, Karlsruhe, DE;

Ekkehard Reibold, Lahr, DE;

George Goeppert, Hausach, DE;

Juergen Eich, Buehl, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method wherein the first and second threshold values of the characteristic are a threshold value of the clutch temperature, or of the speed of rotation at the particular input shaft of the clutch, or of the speed of the engine, or of the slip speed at the clutch, or of the clutch torque hysteresis, or of the oil volume flow in a wet clutch, or of the actuator speed or of the actuator position.


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Hodrus, Erhard. (2014). Method for determining clutch coefficients of friction and method for determining clutch contact points (U.S. Patent No. 8725374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8725374

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