发明授权
- 专利标题： Four-wheel drive automatic transmission
- 专利标题（中）： 四轮驱动自动变速器
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申请号： US11237申请日： 1987-02-05
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公开(公告)号： US4738159A公开(公告)日： 1988-04-19
- 发明人: Kozo Kato , Yoichi Hayakawa , Yutaka Taga , Shinya Nakamura
- 申请人： Kozo Kato , Yoichi Hayakawa , Yutaka Taga , Shinya Nakamura
- 申请人地址： JPX both of JPX both of
- 专利权人： Aisin-Warner Ltd.,Toyota Motor Corp.
- 当前专利权人： Aisin-Warner Ltd.,Toyota Motor Corp.
- 当前专利权人地址： JPX both of JPX both of
- 优先权： JPX58-214647 19831114
- 主分类号： B60K17/344
- IPC分类号： B60K17/344 ; B60K23/08 ; F16H57/02 ; F16H57/04 ; F16H61/00 ; F16H61/18 ; F16H63/02 ; F16H63/12 ; F16H63/30
摘要：
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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