Patent · US Active

Method and apparatus for controlling a clutch in four-wheel drive vehicles

US8972137B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2012
Grant dateMar 3, 2015
Priority date
Expiry dateFeb 27, 2032

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Y2400/71
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A system and method for detecting that a four-wheel drive manual transmission vehicle is being operated in a manner that could cause a clutch over-speed problem. Upon detecting that the vehicle is being operated in the manner that could cause the clutch over-speed problem, the system and method activate a braking countermeasure to remove the potential problem. In addition, a fault code may be stored for subsequent diagnostic measures and/or a fault indicator may be used to alert the driver of the problem.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.