Mark A Yacoub, Age ~42Hagerstown, MD

Mark Yacoub Phones & Addresses

Hagerstown, MD

Novi, MI

Houston, TX

Saint Paul, MN

31095 Floralview Dr, Farmington Hills, MI 48331 (248) 788-0871

Oakland, MI

Bethlehem, PA

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Mentions for Mark A Yacoub

Publications

Us Patents

Negative Torque Upshift Offgoing Clutch Control Systems And Methods

US Patent:
2012001, Jan 12, 2012
Filed:
Jul 9, 2010
Appl. No.:
12/833267
Inventors:
Mark A. Yacoub - Hagerstown MD,
Matthew D. Whitton - Howell MI,
Craig J. Hawkins - Howell MI,
Mark A. Schang - Milford MI,
Robert L. Williams - Holly MI,
Christopher Jay Weingartz - Holly MI,
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS, INC. - Detroit MI
International Classification:
B60W 10/00
B60W 30/18
US Classification:
477 86
Abstract:
A clutch control system for a vehicle includes a shift command module and an offgoing clutch control module. The shift command module commands an upshift of a clutch-to-clutch transmission when an engine torque is less than a predetermined negative torque. The offgoing clutch control module increases an offgoing clutch pressure above a predetermined apply pressure in response to the command. An offgoing clutch is fully engaged when the offgoing clutch pressure is greater than the predetermined apply pressure.

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