Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-12-23
1979-09-18
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 32EA, 60276, F02B 3300, F01N 300
Patent
active
041679253
ABSTRACT:
A reference signal with which the output of a gas sensor is compared is produced by detecting the maximum and minimum values of the output of the gas sensor and adding via a voltage divider these values to each other. The variation of the reference signal may be limited with predicted maximum and minimum values of the output of the gas sensor. The reference signal produced in such a manner may be utilized for disabling and reactivating the feedback control.
REFERENCES:
patent: 3895611 (1975-07-01), Endo et al.
patent: 3939654 (1976-02-01), Creps
patent: 3986352 (1976-10-01), Casey
patent: 4026257 (1977-05-01), Fenn
patent: 4027637 (1977-06-01), Aono
patent: 4029061 (1977-06-01), Asano
patent: 4057042 (1977-11-01), Aono
patent: 4075982 (1978-02-01), Asano et al.
patent: 4088095 (1978-05-01), Aono
patent: 4089313 (1978-05-01), Asano et al.
patent: 4112880 (1978-09-01), Asano et al.
Asano Masaharu
Hosaka Akio
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Myhre Charles J.
Nelli R. A.
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