Motor vehicle, control unit, driving force transmission...

Details Motor vehicle, control unit, driving force transmission... Motor vehicle, control unit, driving force transmission...

2008-04-08

2008-04-08

Marmor, Charles A. (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

C477S125000

Reexamination Certificate

active

10986139

ABSTRACT:
A large gearshift shock that occurs if a renewed gearshift operation is forcibly carried out in order to meet a new gearshift request made through a driver's operating an accelerator pedal or a signal from an operation lever during a current gearshift operation. Gearshift response lag occurs due to an attempt to avoid the large gearshift shock. To solve these problems, a control system for a gear type transmission is mounted. The control system is provided with a renewed gearshift disabling period, during which any renewed gearshift request to a third predetermined gearshift position made during a gearshift operation from a first predetermined gearshift position to a second predetermined gearshift position is disabled.

REFERENCES:
patent: 5658219 (1997-08-01), Kondo et al.
patent: 5738607 (1998-04-01), Kondo et al.
patent: 6085140 (2000-07-01), Choi
patent: 6128566 (2000-10-01), Nishino
patent: 6726597 (2004-04-01), Yu
patent: 2004/0073348 (2004-04-01), Stragapede
patent: 2000-065199 (2000-03-01), None

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