Integrated throttle control and idle validation sensor

Details Integrated throttle control and idle validation sensor Integrated throttle control and idle validation sensor

1991-05-10

1992-07-28

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 700

Patent

active

051333210

ABSTRACT:
An integrated throttle control and idle validation sensor includes mechanically coupled but electrically independent throttle control and idle validation components. A single mechanical input to the protective sensor housing corresponds to an accelerator pedal position and causes selective coupling of a supply voltage to one of an idle validation conductor and a throttle validation conductor for interpretation by an electronic control system. The throttle control system within the sensor housing comprises a potentiometer adapted for movement corresponding to the mechanical input whereby a variable voltage throttle control signal may be delivered to the electronic fuel control system. The sensor integrates previous separate throttle control and idle validation functions into a single environmentally secure housing and requires no calibration. The disclosed throttle system is more reliable and less costly than previously available separate throttle control and idle validation functions.

REFERENCES:
patent: 4703823 (1987-11-01), Yogo et al.
patent: 4883037 (1989-11-01), Mabee et al.
patent: 4958607 (1990-09-01), Lundberg

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