Flow control device of a helically-shaped intake port

Details Flow control device of a helically-shaped intake port Flow control device of a helically-shaped intake port

Category

F - Mech Eng,Light,Heat,Weapons

Subcategory

02

Subsubcategory

F

CPC

123/249

IPC codes

F02F 1/24 (2006.01) F02B 31/08 (2006.01) F02F 1/42 (2006.01) F02B 1/04 (2006.01)

Type

Patent

Patent number

CA 1208089

Description

A FLOW CONTROL DEVICE OF A HELICALLY-SHAPED INTAKE PORT ABSTRACT OF THE DISCLOSURE 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.

Application Number

401246

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