Motor vehicles – With means responsive to speed of vehicle for maintaining... – Including fluid pressure actuated servomechanism
Patent
1982-12-21
1985-05-14
Peters, Jr., Joseph F.
Motor vehicles
With means responsive to speed of vehicle for maintaining...
Including fluid pressure actuated servomechanism
74866, B60K 3100
Patent
active
045166528
ABSTRACT:
Apparatus for controlling the speed of an automobile in which the speed is maintained at a preset speed when a resume switch is manipulated. A memory stores data corresponding to the preset speed. The difference between the preset speed and the actual speed of the automobile is detected and this difference is employed to switch the reduction ratio of transmission gears of the automobile. The reduction ratio is increased when the actual speed becomes a predetermined speed less than the preset speed and when a predetermined condition is established. The predetermined condition is, for example, a condition in which the actual speed is less than the predetermined speed, the actual degree of acceleration is less than the predetermined degree of acceleration, or a predetermined time period elapses after the resume switch is manipulated.
REFERENCES:
patent: 4117903 (1978-10-01), Fleischer et al.
patent: 4133406 (1979-01-01), Allerdist
patent: 4421192 (1983-12-01), Ito et al.
patent: 4463822 (1984-08-01), Tanigawa et al.
"Cruise Control System (Auto-Drive)" by Kou Tanigawa et al, (an article in the periodical Fujitsu, vol. 30, No. 5, 1979, published by Fujitsu Ltd.).
Hayashi Kazuhiko
Masuda Jiro
Nakamura Kazumasa
Tanigawa Kou
Fujitsu Ten Limited
Mar Michael
Peters Jr. Joseph F.
Toyota Jidosha & Kabushiki Kaisha
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