Machine element or mechanism – Gearing – In series plural interchangeably locked nonplanetary units
Patent
1992-01-23
1993-08-03
Wright, Dirk
Machine element or mechanism
Gearing
In series plural interchangeably locked nonplanetary units
74335, F16H 302, B60K 2010
Patent
active
052318958
ABSTRACT:
A fluid pressure actuated auxiliary transmission section (14) shift control system (300)/method is provided which includes control members (246, 328) to prevent auxiliary section synchronized clutch (92, 128) damage if the main transmission section (12) is engaged during an auxiliary section shift. A differential area piston actuator (220) assembly is utilized to apply either a relative high (p*a.sub.224) or relatively low (p*(a.sub.224 -a.sub.222)) force to urge the auxiliary section high-speed ratio clutch into engagement depending upon the sensed engaged or disengaged condition of the transmission main section.
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Eaton Corporation
Gordon H. D.
Wright Dirk
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