Atmospheric pressure detecting device for engine control

Details Atmospheric pressure detecting device for engine control Atmospheric pressure detecting device for engine control

1989-05-03

1990-07-03

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

73115, 123494, F02D 3500

Patent

active

049381954

ABSTRACT:
An engine control system in which the sensed intake manifold pressure is initially utilized as the atmospheric pressure, before engine rotation, and is thereafter calculated or updated on the basis of the throttle opening and engine revolution values falling within a detection zone for predetermined time.

REFERENCES:
patent: 3931808 (1976-01-01), Rachel
patent: 4131088 (1978-12-01), Reddy
patent: 4165650 (1979-08-01), Weissler, II
patent: 4388825 (1983-06-01), de Valpillieres
patent: 4416239 (1983-11-01), Takase et al.
patent: 4475381 (1984-10-01), Nakatami et al.
patent: 4590563 (1986-05-01), Matsumura et al.
patent: 4600993 (1986-07-01), Pauwels et al.
patent: 4787043 (1988-11-01), Zimmerman et al.

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