Patent · US Active

Method and apparatus for monitoring a transmission range selector in a hybrid powertrain transmission

US8209098B2 · kind B2 · utility

2Cited by

5References

15Claims

0Family size

Assignees

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US
Daimler AG · DE
Chrysler Group LLC · US
Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Hanne Buur · Brighton, US
Richard E. Robinette · Grosse Pointe Woods, US
Peter E. Wu · Brighton, US

Key dates

Filing date	Oct 6, 2008
Grant date	Jun 26, 2012
Priority date	—
Expiry date	Dec 23, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2061/1284
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A method to monitor integrity of a signal output from an operator-manipulable transmission range selector for a powertrain system includes equipping the transmission range selector with a range encoder and a direction encoder, determining a range state and a direction state based upon signals from the range encoder and the direction encoder, determining a discrete position of the transmission range selector based upon the range state and the direction state, and performing back rationality to verify the discrete position of the transmission range selector.

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