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United States Patent | 4,862,854 |
Oda , et al. | September 5, 1989 |
A control system for a vehicle engine comprises a first detecting device for detecting a controlled variable on an accelerator, an engine ouput adjusting device, such as a throttle valve, a second detecting device for detecting a situation wherein a vehicle employing therein the vehicle engine is in a travelling condition of traffic jam, and a control device for controlling the engine output adjusting device to cause the vehicle engine to vary its engine output with a predetermined rate of variation in the engine output to the controlled variable on the accelerator when the situation wherein the vehicle is in the travelling condition of traffic jam is not detected by the second detecting device and with a diminished rate of variation in the engine output to the controlled variable on the accelerator when the situation wherein the vehicle is in the travelling condition of traffic jam is detected by said second detecting device so as to have the engine output adjusted in accordance with the controlled variable on the accelerator detected by the first detecting device.
Inventors: | Oda; Kazuya (Hiroshima, JP), Matsuoka; Toshihiro (Higashihiroshima, JP), Onaka; Toru (Hiroshima, JP), Nagaoka; Mitsuru (Hiroshima, JP) |
Assignee: |
Mazda Motor Corporation
(Hiroshima,
JP)
|
Appl. No.: | 07/177,973 |
Filed: | April 5, 1988 |
Apr 06, 1987 [JP] | 62/84063 | |||
Apr 25, 1987 [JP] | 62/102552 | |||
Current U.S. Class: | 123/399 ; 123/395; 706/900 |
Current International Class: | F16H 61/02 (20060101); B60K 31/00 (20060101); F16H 61/00 (20060101); F16H 59/66 (20060101); F16H 59/60 (20060101); G01S 17/00 (20060101); G01S 17/93 (20060101); F02D 009/02 () |
Field of Search: | 123/399,395,396,492,400,403 |
4508078 | April 1985 | Takeuchi et al. |
4515126 | May 1985 | Kessler |
4543933 | October 1985 | Kessler et al. |
4691676 | September 1987 | Kikuchi |
4691677 | September 1987 | Hotate et al. |
4759329 | July 1988 | Nobuo et al. |