Flow control device of a helically-shaped intake port

Patent · Tue Aug 21 00:00:00 EDT 1984

OSTI ID:6312095

Motosugi, K; Koga, I; Takimoto, M

A helically-shaped intake port comprising a helical portion formed around an intake valve, and a substantially straight inlet passage portion tangentially connected to the helical portion. A bypass passage is branched off from the inlet passage portion and connected to the helical portion. A rotary valve is arranged in the bypass passage and actuated by a vacuum operated diaphragm apparatus. The rotary valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value.

• Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha (Japan)
• Patent Number(s): US 4466394
• OSTI ID: 6312095
• Resource Relation: Patent Priority Date: Priority date 16 Apr 1982, Japan; Other Information: PAT-APPL-369025
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
FUEL SYSTEMS
VALVES
INTERNAL COMBUSTION ENGINES
AIR FLOW
CYLINDERS
EFFICIENCY
FUEL ECONOMY
HELICAL CONFIGURATION
CONFIGURATION
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
GAS FLOW
HEAT ENGINES
330603* - Vehicle Design Factors- Engine System
330100 - Internal Combustion Engines