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US 2016/0298735 A1Published application
Control device for automatic transmission
AssigneeAisin Aw Co., Ltd.
InventorsTakuyo MAEDA, Naoya JINNAI, Masanori MURAKAMI
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Abstract
A power transfer device that includes an automatic transmission that includes a plurality of engagement elements and a speed change gear mechanism capable of establishing a multiplicity of shift speeds by changing a power transfer path by engaging or disengaging the engagement elements; and a control device that is configured to control the automatic transmission.
Claims21
1-12. (canceled)
A power transfer device comprising:
- an automatic transmission that includes a plurality of engagement elements and a speed change gear mechanism capable of establishing a multiplicity of shift speeds by changing a power transfer path by engaging or disengaging the engagement elements;
- and
- a control device that is configured to control the automatic transmission, wherein:
- the speed change gear mechanism includes a plurality of combinations of engagement elements to be engaged in order to establish an identical predetermined shift speed;
- and
- when shifting is made to the predetermined shift speed by the control device controlling the automatic transmission, a change is made among the combinations of engagement elements for the predetermined shift speed in accordance with a pre-shifting shift speed.
3 more elements
Dependencies are inferred from the claim text.