Gear shift control for power train

Details Gear shift control for power train Gear shift control for power train

1989-07-27

1991-09-10

Cangialosi, Salvatore

Boots, shoes, and leggings

74858, 74866, B60K 4110

Patent

active

050479369

ABSTRACT:
A period time required for a gear shift operation is measured from the time at which a prime motor output speed starts decreasing to the time at which a psuedo speed ratio reaches a predetermined value. Based on the period of time measured, a line pressure is controlled during the period of time. Alternatively, a prime motor output torque is controlled during the period of time measured.

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patent: 4742461 (1988-05-01), Eschrich et al.
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patent: 4815340 (1989-03-01), Iwatsuki et al.
patent: 4868753 (1989-09-01), Mori
patent: 4870581 (1989-09-01), Ito et al.
patent: 4933851 (1990-06-01), Ito et al.
"Nissan Full-Range Automatic Transmission RE4R01A Type, Service Manual", Mar. 1987.

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