Thermal type intake air flow measuring instrument and internal c

Details Thermal type intake air flow measuring instrument and internal c Thermal type intake air flow measuring instrument and internal c

1990-04-11

1992-04-28

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

731182, 123494, G01F 168, F02P 515, F02D 4118

Patent

active

051078120

ABSTRACT:
Analog circuit of a thermal type intake air flow sensor for detecting a quantity of air drawn into an automotive engine is formed as a part of the input hardware of a microcomputer for control of the engine, and the analog circuit is used for operations which need to be performed at high speed, while adjustment, an output process, etc. are executed under the same operating system as is used for engine control.

REFERENCES:
patent: 4089214 (1978-05-01), Egami et al.
patent: 4334186 (1982-06-01), Sasayama et al.
patent: 4683858 (1987-08-01), Sato et al.
patent: 4713765 (1987-12-01), Abe et al.
patent: 4719891 (1988-01-01), Porth et al.
patent: 4829814 (1989-05-01), Suzuki et al.
patent: 4846132 (1989-07-01), Binnewies
patent: 4889101 (1989-12-01), Schifferl
patent: 4926821 (1990-05-01), Porth et al.

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