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.

Date of Patent:
Oct. 21, 2008

Filed:

May. 25, 2006
Applicants:

Robert J. Mcnaughton, Howell, MI (US);

Mark Malburg, Columbus, IN (US);

Inventors:

Robert J. McNaughton, Howell, MI (US);

Mark Malburg, Columbus, IN (US);

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01M 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for determining local departures of opposed friction surfaces that are spaced apart in parallel planes normal to the axis of the rotor. Displacement sensing probes are placed in opposing alignment adjacent the friction surfaces and rotor is spun. Instantaneous distances from each probe to the friction surfaces is made by repetitively sampling and converting the sample distances into digital form. The differences between contemporaneous sample distances are computed to determine rotor thicknesses and displayed. An analog measure of the instantaneous angular rotor position is provided for each instantaneous angular position. The angular rotor position and distance measures are correlated and the angular rotor position sample converted to digital form. While the time interval between successive distance samples is constant the rotor angular velocity may vary during a revolution and spline-based interpolation between successive distance samples is performed to obtain to obtain a representation of equiangularly spaced sample values.


Find Patent Forward Citations

McNaughton, Robert. (2008). Method of evaluating a disc brake rotor (U.S. Patent No. 7437917). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7437917

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