Engine idle control system for internal combustion engine

Patent · Tue May 16 04:00:00 EDT 1989

OSTI ID:5679229

Yuzawa, H; Seimiya, Y

A automotive vehicle is described including: an internal combustion engine having an induction system; a throttle valve disposed in the induction system, the throttle valve being movable in response to a manually derived command signal to move between a closed position and an open position; and a device for controlling the position of the throttle valve when the manually derived command signal is absent and the engine is idling; the device comprising: a control valve which modulates a vacuum pressure signal derived from the induction system in a manner to form a control signal, the control valve having a solenoid; a servo operatively connected with the throttle valve, the servo being responsive to the vacuum pressure signal and the control signal, the servo being arranged to be motivated by the vacuum pressure signal and so that the amount of motivation by the vacuum pressure signal is subject to control by the control signal.

• Assignee: Nissan Motor Co., Ltd., Yokohama
• Patent Number(s): US 4829960
• OSTI ID: 5679229
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
COMPUTERIZED CONTROL SYSTEMS
CONTROL EQUIPMENT
CONTROL SYSTEMS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
SERVOMECHANISMS
SOLENOIDS
VALVES