F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
74/184, 354/32
F16D 23/10 (2006.01) F16H 61/04 (2006.01) F16H 63/42 (2006.01) F16H 61/68 (2006.01) F16H 61/682 (2006.01)
Patent
CA 2016622
ABSTRACT A technique for facilitating correct meshing of trans- mission gears and smooth clutch engagement in vehicles that require driver synchronization of speeds of transmission mating gears. The technique includes an arrangement for ascertaining vehicle road speed, an arrangement for automatically selecting a recommended gear based on the vehicle road speed and informing the driver of the selection. An arrangement is also provided for calculating the ideal engine rpm based on the selected recommended gear and informing the driver of the ideal rpm. During operation, the operator adjusts the engine rpm to substantially match said ideal engine rpm to smoothly mesh the vehicle in the recommended gear. In an alternative embodiment, the dual needle tachometer is used to display actual engine crankshaft and transmission input shaft speeds respectively to facilitate smooth clutch engagement in the vehicle.
Paccar Inc.
Smart & Biggar
Young Jonathan
LandOfFree
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