Internal combustion engine with by-pass control system for supercharger

Patent · Tue Sep 16 04:00:00 EDT 1986

OSTI ID:5352281

Onaka, H; Baika, T; Shibata, Y; Horii, K; Sato, Y

An internal combustion engine is described comprising: an engine body; an intake system connected to the engine body for introducing air into the engine body; an exhaust system connected to the engine body for removal of the combustion product from the engine body; a mechanical pump arranged as a supercharger in the intake system; clutch means for connecting kinematically the supercharger to the engine for driving the supercharger; actuator means responsive to at least engine load for selectively operating the clutch means; 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 upstream from the supercharger; by-pass valve means arranged in the by-pass for controlling the flow of by-pass air into the by-pass from the supercharger; first means for producing a by-pass operating signal directed to the by-pass valve means for closing the by-pass when the engine load is high; and second means for producing a by-pass operating signal directed to the by-pass valve means for closing the by-pass during the low load condition of the engine.

• Assignee: Toyota Jidosha Kabushiki Kaisha, Aichi
• Patent Number(s): US 4611568
• OSTI ID: 5352281
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACTUATORS
AIR FLOW
COMBUSTION PRODUCTS
COMPRESSORS
CONTROL EQUIPMENT
CONTROL SYSTEMS
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FLOW REGULATORS
FLUID FLOW
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
PUMPS
SIGNALS
SUPERCHARGERS
VALVES