Transient control of shift in auxiliary gearing for quick engine

Details Transient control of shift in auxiliary gearing for quick engine Transient control of shift in auxiliary gearing for quick engine

1990-05-18

1991-07-23

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74866, 74868, 74869, B60K 4106

Patent

active

050333305

ABSTRACT:
An accumulator is disposed in a fluid line leading from a shift valve to a reduction brake of an auxiliary gearing of an automatic transmission. A back-up pressure of the accumulator is modified upon setting an automatic transmission to an engine brake running range and/or a reverse drive range.

REFERENCES:
patent: 4346626 (1982-08-01), Kawamoto
patent: 4474084 (1984-10-01), Sugano et al.
patent: 4706523 (1987-11-01), Nishikawa et al.
patent: 4730521 (1988-03-01), Hayasaki et al.
patent: 4790215 (1988-12-01), Hamano
patent: 4856381 (1989-08-01), Funahashi et al.
patent: 4882952 (1989-11-01), Kashihara et al.
patent: 4967356 (1990-10-01), Mori
"Nissan Full-Range Electronically Controlled Automatic Transmission of the RE4R01A Type (A261C07)", published by Nissan Motor Co., Ltd. in Mar. 1987.

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