Method of indicating a shift operation of a manual gearbox of a

Details Method of indicating a shift operation of a manual gearbox of a Method of indicating a shift operation of a manual gearbox of a

1987-02-09

1989-06-27

Lall, Parshotam S.

Boots, shoes, and leggings

74686, 123340, 364508, 36442401, G06F 702

Patent

active

048435503

ABSTRACT:
A method of indicating when a shift operation of a manual gearbox is to be preformed includes a step for comparing a detected vehicle speed with a reference vehicle speed which is determined and changed on the basis of a detected engine operational parameter and a step for indicating that the shift operation should be performed on the basis of a result of the comparison. The reference vehicle speed is corrected to a lower speed in response to an increase of a total running time of the vehicle, thereby to maintain the driveability of the vehicle when the running time of the vehicle is short.

REFERENCES:
patent: 2751580 (1956-06-01), Stump
patent: 4281751 (1981-08-01), Suga et al.
patent: 4294341 (1981-10-01), Swart
patent: 4458318 (1984-07-01), Smit et al.
patent: 4471438 (1984-09-01), Futagi et al.
patent: 4517859 (1985-05-01), Nagadea et al.

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