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.:
Date of Patent:
Sep. 05, 2017
Filed:
Apr. 30, 2015
Caterpillar Inc., Peoria, IL (US);
Jason D. Bell, Dahinda, IL (US);
Gerard O. McCann, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A speed measurement system for use with a machine having a component rotationally mounted inside a housing may have a first sensing element configured to be mounted to the housing adjacent the component, and a second sensing element configured to be mounted to the housing. The first sensing element may be configured to generate a first signal indicative of a rotational velocity of the component. The second sensing element may be configured to generate a second signal indicative of a rotational rate of the housing. The speed measurement system may also have a controller in communication with the first and second sensing elements. The controller may be configured to determine a rotational speed of the component relative to an offboard reference based on the first and second signals.