Control apparatus for an automatic transmission
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United States of America Patent
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Apr 24, 2018
Issued Date -
N/A
app pub date -
Nov 12, 2015
filing date -
Nov 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
This invention provides a control apparatus for an automatic transmission, which includes a plurality of engaging mechanisms. The plurality of engaging mechanisms includes a mechanical engaging mechanism configured to function as a brake. The mechanical engaging mechanism can be switched between a first state in which rotation of a rotational element is restricted only in one direction and a second state in which the rotation is restricted in both directions. When switching from the first state to the second state, the control apparatus executes engagement control to set a plurality of hydraulic friction engaging mechanisms in an engaging state. Control to set a predetermined hydraulic friction engaging mechanism in a half-engaging state and brake an output member can be executed in parallel to the engagement control.
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