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:
Jan. 16, 2001
Filed:
Oct. 28, 1999
John Michael Ironside, Birmingham, GB;
TRW Lucas Varity Electric Steering Ltd., West Midlands, GB;
Abstract
A gearbox monitoring apparatus is disclosed for use in combination with a gearbox (,) which provides a connection between an input shaft (,) driven by a motor (,) and an output shaft (,), said gearbox monitoring apparatus comprising a first position sensing means (,) and a second position sensing means (,), said first and second position sensing means generating a respective first and second output signal, said first output signal being representative of the angular position of the input shaft and said second output signal being representative of the angular position of the output shaft, a torque signal generating means (,) which generates a third output signal representative of the torque carried by the gearbox (,), and signal processing means (,) adapted to receive said output signals and to process said output signals to produce one or more modified output signals representative of the wear in the gearbox.