Redundant speed sensor for engine control

Details Redundant speed sensor for engine control Redundant speed sensor for engine control

1993-07-23

1994-11-22

Cross, E. Rollins

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123479, F02D 3100, F02M 5100

Patent

active

053659040

ABSTRACT:
A control system for controlling an internal combustion engine is disclosed. The control system employs closed loop engine speed control and includes a primary and secondary engine speed sensor. An electronic control module detects a failure of the primary or secondary sensor and causes the other sensor to be used as the engine speed feedback signal in the closed loop control.

REFERENCES:
patent: 4368705 (1983-01-01), Stevenson et al.
patent: 4928242 (1990-05-01), Suzuki
patent: 4941445 (1990-07-01), Deutsch
patent: 4989569 (1991-02-01), Eidler
patent: 5065721 (1991-11-01), Wiggins et al.

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