System and method for facilitating correct gear meshing and clut

Details System and method for facilitating correct gear meshing and clut System and method for facilitating correct gear meshing and clut

1989-05-12

1990-08-14

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

73510, G01M 1900

Patent

active

049476815

ABSTRACT:
A technique for facilitating correct meshing of transmission 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.

REFERENCES:
patent: 3922910 (1975-12-01), Dickinson
patent: 4179938 (1979-12-01), Schramm

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