Four-wheel drive automatic transmission
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United States of America Patent
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-
Apr 19, 1988
Issued Date -
N/A
app pub date -
Feb 5, 1987
filing date -
Nov 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A four-wheel drive automatic transmission primarily consisting of an automatic transmission having a transmission case, a transmission gear mounted in the transmission case and an automatic transmission hydraulic control unit including a transmission valve body secured to the bottom surface of the transmission case; and a four-wheel drive transfer having a transfer case, a transfer unit mounted in the transfer case and a transfer hydraulic control unit including a transfer valve body secured to the bottom surface of the transfer case. The automatic transmission hydraulic control unit and the transfer hydraulic control unit communicate with each other by oil passages cast in the transmission case and in the transfer case.
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