Engine load detection system for automatic power transmission

Details Engine load detection system for automatic power transmission Engine load detection system for automatic power transmission

1977-12-22

1980-08-19

Braun, Leslie

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74859, 74860, 74863, B60K 4104

Patent

active

042177952

ABSTRACT:
In an automatic power transmission system for a multicylinder internal combustion engine wherein the intake vacuum is not available as a true indication of engine load, a detection system for detecting the level of engine load includes an electrical actuator responsive to a signal which faithfully represents the engine load to vary the pressure of fluid in the automatic power transmission system. One embodiment of the invention includes an intake air sensor, an engine speed sensor and a division circuit responsive to the outputs from both sensors to generate a signal representing the quantity of air inducted per unit time to represent the true indication of the engine load free from the effect of exhaust gas recirculation or other factors influencing the intake vacuum.

REFERENCES:
patent: 2757651 (1956-08-01), Winkler
patent: 3578116 (1971-05-01), Nakajima et al.
patent: 3741042 (1973-06-01), Ravenel
patent: 3756205 (1973-09-01), Frost
patent: 4061055 (1977-12-01), Iizuka et al.
patent: 4064844 (1977-12-01), Matsumoto et al.
patent: 4080947 (1978-03-01), Iizuka
patent: 4084563 (1978-04-01), Hattori et al.

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