F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 59/00 (2006.01) F16H 61/04 (2006.01) F16H 59/36 (2006.01) F16H 59/40 (2006.01) F16H 59/46 (2006.01) F16H 59/50 (2006.01) F16H 59/70 (2006.01) F16H 61/21 (2006.01)
Patent
CA 2150848
A system and method for decreasing the time required to complete a ratio change in an electronically enhanced powertrain system (10) is provided. The powertrain system (10) includes a number of devices for providing a retarding torque to engine rotation to increase the decay rate of the engine speed during an upshift. These devices include an engine brake (32) and an input shaft brake (38). A retarding torque is also provided by increasing engine accessory load by controlling various engine accessories such as a cooling fan (30), an air compressor, a hydraulic pump, an air conditioning compressor (34), and an alternator.
Dresden John III
Genise Thomas A.
Hornby Simon
Markyvech Ronald K.
Nellums Richard A.
Borden Ladner Gervais Llp
Corporation Eaton
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