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公开(公告)号：US09441732B2
公开(公告)日：2016-09-13
申请号：US14659703
申请日：2015-03-17
发明人： Robert O. Burkhart , Derek Kinch , John Butwin , Anthony G. Koenings , Hrudaya Mahapatro , Wei Zhuang
CPC分类号： F16H61/0251 , F16H2061/0253 , F16K31/0613 , Y10T137/86614 , Y10T137/86622 , Y10T137/8671
摘要： A control valve for an automatic transmission includes a valve body including a chamber and a control pressure port, metering edges formed in the valve body at the control pressure port, a reference surface formed in the valve body, a spool displaceable along the chamber, and a solenoid module including a pin for displacing the spool, and located in the chamber by contact with the reference surface.
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公开(公告)号：US10006541B2
公开(公告)日：2018-06-26
申请号：US14948998
申请日：2015-11-23
发明人： Robert O. Burkhart , Derek Kinch , John Butwin , Anthony G. Koenings , Hrudaya Mahapatro , Wei Zhuang
CPC分类号： F16H61/0276 , F15B13/0402 , F15B13/0442 , F15B2211/365 , F15B2211/50536 , F15B2211/526 , F16H61/0251 , F16H2061/0253 , F16H2061/0279 , F16K31/0613 , Y10T137/86614 , Y10T137/86622 , Y10T137/8671
摘要： A control valve for an automatic transmission includes a valve body and a solenoid module. The body has a chamber, control pressure port, exhaust port, and reference surface. Metering edges are formed in the body at the control port. A spring transmits force between first and second spools in the chamber. The solenoid module has a pin for displacing the first spool and is located by contact with the reference surface. The solenoid module also has a first stop surface limiting pin movement and a second stop surface contacting the reference surface.
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