Air intake side secondary air supply system for an internal combustion engine using a linear-type solenoid valve

Patent · Tue Mar 22 04:00:00 EST 1988

OSTI ID:5004448

Kobayashi, H; Kakimoto, K; Tomobe, N; Otobe, Y; Yamabe, H; Hasebe, H

An air intake side secondary air supply system for an internal combustion engine having an intake air passage with a carburetor and a throttle valve and an exhaust gas passage is described comprising: an air intake side secondary air supply passage leading to the intake air passage downstream from the throttle valve; a solenoid valve disposed in the air intake side secondary air supply passage; first sensor means disposed in the exhaust gas passage for sensing the concentration of an exhaust gas component of the engine and producing a sensor output signal indicative of the concentration; further sensor means for monitoring a plurality of parameters indicative of the operating state of the engine and operative to produce output signals indicative of the magnitude of the parameters; and control means connected to each of the sensor means for effecting feedback control of the air-fuel ratio of the mixture to be supplied to the engine.

• Assignee: Honda Giken Kogyo Kabushiki Kaisha, Tokyo
• Patent Number(s): US 4732132
• OSTI ID: 5004448
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
CARBURETORS
CONTROL EQUIPMENT
CONTROL SYSTEMS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FEEDBACK
FLOW REGULATORS
FLUID FLOW
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
MECHANICAL STRUCTURES
MONITORS
SOLENOIDS
VALVES