Automatic control system with gain switching

Details Automatic control system with gain switching Automatic control system with gain switching

1976-06-17

1978-07-04

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123118, F02D 1110

Patent

active

040982424

ABSTRACT:
An automatic control system wherein repetitive pulses, the frequency of which is responsive to a remote condition, such as prime mover RPM, are converted to a DC voltage level. The voltage level is compared to a reference by a difference amplifier to produce an error signal. Further signals are produced from the error signal which are ultimately used to control the remote condition. The gain of the amplifier is externally adjustable depending upon conditions relating to the prime mover load conditions.

REFERENCES:
patent: 2759135 (1956-08-01), Albrecht et al.
patent: 2806192 (1957-09-01), Bristol
patent: 3100277 (1963-08-01), McCullough
patent: 3722614 (1973-03-01), Sakakibara et al.
patent: 3820624 (1974-06-01), Sakakibara
patent: 3878915 (1975-04-01), Purland et al.
patent: 3886921 (1975-06-01), Hafner
patent: 3900013 (1975-08-01), Vignozzi et al.
patent: 3915130 (1975-10-01), Hobo et al.
patent: 4036323 (1977-07-01), Schmall

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