Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1983-03-11
1985-09-10
Herrmann, Allan D.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74866, 3644241, 364442, 340 52F, B60K 4108, G07C 508, G09B 1916, B60Q 100
Patent
active
045398682
ABSTRACT:
A method for indicating gear shifting operation to be performed which comprises the steps of calculating current engine load from the intake air flow Q and the number of engine rotations (i.e. engine speed), comparing the current engine load thus calculated with a predetermined engine load constant, calculating current shift position from the result of the comparison, seeking a first engine load operation function Y=f(N) and a second engine load operation function .beta.=g(N) from known equal fuel consumption rate curves, comparing the first engine load operation function Y thus sought with said current engine load Q/N, and indicating either shift-up or shift-down operation to be performed by a driver in accordance with the result of the comparison. According to the method according to the present invention, preferable shift positions to be performed in the optimum fuel consumption rate can be thereby enabling the maximum engine fuel consumption performance to be carried out during running of a car.
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Andrews Stephen B.
Herrmann Allan D.
Toyota Jidosha & Kabushiki Kaisha
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