Internal combustion engine with by-pass control system for supercharger

Patent · Tue Apr 14 04:00:00 EDT 1987

OSTI ID:6564372

Oonaka, H; Baika, T; Shibata, Y; Horii, K; Sato, Y; Akiyama, T

An internal combustion engine is described comprising: an engine body; an intake system connected to the engine body, the intake system having a throttle valve for controlling the amount of air introduced into the engine body; an exhaust system connected to the engine body for reception of combustion product from the engine body; a supercharger functioning as a mechanical pump arranged in the intake system at a position downstream of the throttle valve; connecting means for kinematically connecting the supercharger to the engine for driving the supercharger; a by-pass having a first end connected to the intake system at a position downstream of the supercharger and a second end connected to the intake system at a position between the throttle valve and the supercharger; by-pass valve means including a valve member arranged in the by-pass for controlling an amount of air diverted into the by-pass; and actuator means comprising a spring and a diaphragm located in a chamber and a link means, the spring biasing the valve member toward a closed position, the link means connecting the valve member with the diaphragm means.

• Assignee: Toyota Jidosha Kabushi Kaisha, Aichi
• Patent Number(s): US 4656992
• OSTI ID: 6564372
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACTUATORS
AIR FLOW
COMPRESSORS
CONDUCTOR DEVICES
CONNECTORS
CONTROL EQUIPMENT
CONTROL SYSTEMS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FLOW REGULATORS
FLUID FLOW
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
SUPERCHARGERS
VALVES