Machine element or mechanism – Gearing – Interchangeably locked
Patent
1998-08-03
2000-08-01
Ta, Khoi Q.
Machine element or mechanism
Gearing
Interchangeably locked
477 78, 477118, F16H 5948
Patent
active
060950021
ABSTRACT:
A control system and method for an automated mechanical transmission system (10) including an engine braking mechanism (14A) is provided for allowing operator request for an automatic direct downshift into the selected ratio (GR.sub.EB) automatically determined to provide optimum engine braking under current vehicle operating conditions. Retaining the control lever (1) in a displaced position for longer than a reference period of time (REF), such as one or two seconds, while the engine brake is active, will initiate the automatic determination and shift into the selected ratio (GR.sub.EB) determined to provide optimum engine braking under current vehicle operating conditions procedure.
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Fowler Paul M.
Tuson John S.
Eaton Corporation
Gordon Howard D.
Ta Khoi Q.
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