UNIFLOW-SCAVENGED TWO-CYCLE ENGINE

Title:

UNIFLOW-SCAVENGED TWO-CYCLE ENGINE

Document Type and Number:

WIPO Patent Application WO/2016/072391

Kind Code:

A1

Abstract:

A uniflow-scavenged two-cycle engine (100) is provided with: a cylinder (110) having a combustion chamber (24) formed therein; a piston (112); a scavenging chamber (122) that surrounds one end side of the piston in the stroke direction within the cylinder, and into which compressed active gas is introduced; a scavenging port (118) that is provided to a section located inside the scavenging chamber within the cylinder and draws the active gas from the scavenging chamber into the combustion chamber in response to the sliding motion of the piston; a fuel injection port (126) that is provided farther outside of the cylinder than the scavenging port in the radial direction and injects fuel gas into the active gas drawn into the scavenging port; and a fuel injection valve (128) that opens and closes a fuel supply passage (144) that connects the fuel injection port with a fuel tank (140) storing fuel gas. The fuel injection valve is disposed in an isolated space (146) that is isolated from the scavenging chamber.

Inventors:

YAMADA TAKESHI (JP)
HIROSE TAKAYUKI (JP)
UMEMOTO YOSHIYUKI (JP)

Application Number:

PCT/JP2015/080926

Publication Date:

May 12, 2016

Filing Date:

November 02, 2015

Export Citation:

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Assignee:

IHI CORP (JP)

International Classes:

F02B25/04; F02D35/00

Foreign References:

JPS6282355U	1987-05-26
JP2007332800A	2007-12-27

Other References: