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Dive into the research topics where John Butwin is active.

Publication


Featured researches published by John Butwin.


Archive | 2009

Closed-Loop Torque Phase Control for Shifting Automatic Transmission Gear Ratios Based on Friction Element Load Sensing

Yuji Fujii; Gregory Michael Pietron; Seung-Hoon Lee; James William Loch McCallum; Mohamed Redissi; David Popejoy; John Butwin; Robert O. Burkhart; Diana Yanakiev


Archive | 1999

Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit

John Butwin; Michael J. Monaghan; Maria Eugenia Protopapas; Robert Cary Haase; Stephen Michael Cicala; Wolfgang Wickler


Archive | 2015

Regulator valve with integrated direct acting solenoid

Robert O. Burkhart; Derek Kinch; John Butwin; Anthony Koenings; Hrudaya Mahapatro; Wei Zhuang


Archive | 2010

Geschlossene-Schleife-Drehmoment-Phasensteuerung zum Schalten von Automatikgetriebe-Gangverhältnissen basierend auf dem Erfassen von Reibelementbelastung

Yuji Fujii; Gregory Michael Pietron; James William Loch McCallum; David Popejoy; Seung-Hoon Lee; Robert O. Burkhart; John Butwin; Diana Yanakiev


Archive | 2009

Latching Pressure Regulator

Hrudaya Mahapatro; Robert O. Burkhart; John Butwin


Archive | 2014

Accumulator for Maintaining Hydraulic Pressure Following an Engine Restart

Lev Perkarsky; Robert O. Burkhart; Derek Kinch; John Butwin


Archive | 2011

LATCH VALVE FOR ACTUATING A TRANSMISSION CONTROL ELEMENT

Robert O. Burkhart; John Butwin; Derek Kinch; Hrudaya Mahapatro; Wei Zhuang; Anthony Koenings


Archive | 2012

Latch valve transmission control elements to operate a

Robert O. Burkhart; John Butwin; Derek Kinch; Hrudaya Mahapatro; Wei Zhuang; Anthony Koenings


Archive | 2010

Geschlossene-Schleife-Drehmoment-Phasensteuerung zum Schalten von Automatikgetriebe-Gangverhältnissen basierend auf dem Erfassen von Reibelementbelastung Closed loop torque-phase control for switching from automatic transmission gear ratios based on the detection of Reibelementbelastung

Robert O. Burkhart; John Butwin; Yuji Fujii; Seung-Hoon Lee; James William Loch McCallum; Gregory Michael Pietron; David Popejoy; Diana Yanakiev


Archive | 2010

Locking pressure regulator

Robert O. Burkhart; John Butwin; Hrudaya Mahapatro

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