CLOSED-LOOP TRANSMISSION INTEGRATION WITH FORWARD AND/OR REVERSE ASSIST SYSTEM

Title:

CLOSED-LOOP TRANSMISSION INTEGRATION WITH FORWARD AND/OR REVERSE ASSIST SYSTEM

Document Type and Number:

WIPO Patent Application WO/2012/006140

Kind Code:

A3

Abstract:

The present invention provides a method of reducing the output speed of a transmission in a vehicle, whereby the transmission includes a speed sensor and a controller and the vehicle includes a proximity sensor. The method includes measuring the output speed with the speed sensor and comparing the measured output speed to an output speed threshold. The controller receives throttle percentage and compares the throttle percentage to a throttle threshold. The method further includes receiving an input signal from the proximity sensor and comparing the input signal to a signal threshold. The output speed of the transmission can be controlled based on the values of the measured output speed, throttle percentage, and input signal.

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Inventors:

CONN RANDALL S (US)
RAINS MARK A (US)

Application Number:

PCT/US2011/042301

Publication Date:

April 26, 2012

Filing Date:

June 29, 2011

Export Citation:

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Assignee:

ALLISON TRANSMISSION (US)
CONN RANDALL S (US)
RAINS MARK A (US)

International Classes:

F16H61/02; F16H59/44

Foreign References:

US7389176B2	2008-06-17
JPH02212231A	1990-08-23
US7503874B2	2009-03-17
US5035158A	1991-07-30

Other References: