Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
1979-01-04
1980-12-09
Myhre, Charles J.
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
123339, 123587, F02D 104, F02B 7510
Patent
active
042378389
ABSTRACT:
A system for controlling the amount of air taken in by an engine comprises an air duct tube bypassing a throttle valve of an intake tube for taking in air supplied to an automobile engine, a plurality of valves for regulating the amount of air passing through the air duct tube, and control device therefor. The amount of air in the bypass is controlled in accordance with the temperature and number of revolutions of the engine and the air intake pressure downstream of the throttle valve. During the idling of the engine, the air intake control system generates a signal representing the standard engine idling revolutions in accordance with the engine temperature, compares the actual engine revolutions with a reference, and regulates the amount of air flowing in the bypass by use of the results of a comparison, thus rendering the actual engine revolutions identical to the reference. During the loaded engine operation, by contrast, the amount of bypass air is so controlled that the air intake pressure downstream of the throttle valve is maintained at predetermined constant value.
REFERENCES:
patent: 3931710 (1976-01-01), Hartel
patent: 3964457 (1974-06-01), Coscia
patent: 4037406 (1977-07-01), Hartel
patent: 4057042 (1977-11-01), Aono
patent: 4146000 (1979-03-01), Hattori et al.
patent: 4147030 (1979-04-01), Katahira et al.
Fujisawa Hideya
Kinugawa Masumi
Omori Norio
Sueishi Motoharu
Myhre Charles J.
Nelli Raymond A.
Nippondenso Co. Ltd.
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