Idling speed control system for internal combustion engines

Patent · Tue Jun 14 00:00:00 EDT 1988

OSTI ID:6937357

Hasebe, H; Asakura, M; Sakaino, M; Miyashita, Y

An idling speed control system for controlling idling rotational speed of an internal combustion engine having an intake passage and a throttle valve arranged therein is described comprising; vacuum-operated actuator means having a vacuum chamber, and a diaphragm defining the vacuum chamber and operatively connected to the throttle valve for controlling opening and closing thereof in response to pressure in the vacuum chamber; change-over control valve means operatively connected to the vacuum-operated actuator means for supplying the vacuum chamber, selectively, with a first control pressure for opening the throttle valve and a second control pressure for closing the throttle valve; and electronic control means operatively connected to the engine and the change-over control valve means.

• Assignee: Honda Giken Kogyo K.K., Tokyo
• Patent Number(s): US 4750461
• OSTI ID: 6937357
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACTUATORS
ANGULAR VELOCITY
CONTROL EQUIPMENT
CONTROL SYSTEMS
DESIGN
ELECTRONIC EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID MECHANICS
HEAT ENGINES
HYDRAULICS
INTERNAL COMBUSTION ENGINES
MECHANICS
PULSE TECHNIQUES
SPEED REGULATORS
TIMING PROPERTIES
VACUUM SYSTEMS
VALVES
VELOCITY