#F02B25/14

CRANKCASE SCAVENGED TWO-STROKE ENGINE AND HANDHELD POWER TOOL

A crankcase scavenged two-stroke engine () is disclosed comprising a cylinder (), a crankcase (), a crankshaft (), and a piston (). The piston () comprises a first face (F) forming a delimiting surfac…

DRIVE·Apr 2·1 min read

F02B25/14 HUSQVARNA AB

TWO-STROKE ENGINE

An engine (2) is a four-flow scavenging type engine. Four scavenging ports (34) include: first right and left scavenging ports (34(lef-1) and 34(ref-1) that lie on a side relatively away from an exhau…

DRIVE·Nov 20·1 min read

F02B25/14 YAMABIKO CORP [JP]

TWO-CYCLE ENGINE

Two-cycle engine includes cylinder block formed with a cylinder and crank chamber. The cylinder block includes: an exhaust passage leading to a combustion chamber in the cylinder through an exhaust po…

DRIVE·Mar 27·1 min read

F02B25/14 YAMABIKO CORP [JP]

GASIFIER AND METHOD FOR OPERATING A COMBUSTION ENGINE WITH A GASIFIER

A carburetor has a housing (18) in which a control roller (22) is rotatably mounted. In the carburetor, a section (25) of an intake channel (21) is formed. In the control roller (22), a partial sectio…

DRIVE·Aug 10·2 min read

F02B25/14 STIHL AG & CO KG ANDREAS [DE]

Stratified scavenging two-stroke engine

The present invention relates to a stratified scavenging two-stroke engine (10). The stratified scavenging two-stroke engine (10) includes a first scavenging passage (36) that extends from a first sca…

DRIVE·Jul 2·2 min read

F02B25/14 MAKITA CORP [JP]

Two-stroke engine transfer ports

A two-stroke internal combustion engine comprises a cylinder; and a piston movably mounted within the cylinder. The cylinder has formed therein an exhaust port and a first pair of transfer ports dispo…

DRIVE·Mar 14·2 min read

F02B25/14 TECHTRONIC IND CO LTD [CN]

Two stroke combustion engine

The two-stroke combustion engine has a hollow piston that is movable in a cylinder (28). The inner space (4b) of piston serves as compressing space for air fuel mixture flowed into the cylinder during…

DRIVE·Feb 29·1 min read

F02B25/14 FORMTECH TECHNOLOGIES GMBH [DE]

Loop scavenged two-stroke internal combustion engine

A loop scavenged two-stroke internal combustion engine which can effectively restrain blow-by of fresh gas with a relatively simple configuration is provided. A horizontal scavenging angle ¸b in at le…

DRIVE·Feb 8·2 min read

F02B25/14 YAMABIKO CORP [JP]

Two-stroke internal combustion engine and its scavenging method

In a two-stroke internal combustion engine using air for scavenging its combustion chamber (4), a scavenging passage (6) communicating with a crankcase (2) and a combustion chamber (4) is charged firs…

DRIVE·Jul 27·1 min read

F02B25/14 YAMABIKO CORP [JP]

Two-stroke engine

In a two-stroke engine (1) according to the present invention, a piston (6) has a communication passage (28) opened to a crank chamber (10). An air intake port (30) is provided on an inner surface (2a…

DRIVE·Apr 13·1 min read

F02B25/14 YAMABIKO CORP [JP]

Two-stroke internal combustion engine

There is provided a reverse scavenged two-stroke internal combustion engine that is capable of effectively suppressing the short-circuiting of fresh charge (unburnt air-fuel mixture), while at the sam…

DRIVE·Jan 26·1 min read

F02B25/14 YAMABIKO CORP [JP]

Two-stroke internal combustion engine

There is provided a loop-scavenged two-stroke internal combustion engine that is capable of effectively suppressing the short-circuiting of fresh charge (unbumt air-fuel mixture), while at the same ti…

DRIVE·Jan 26·2 min read

F02B25/14 YAMABIKO CORP [JP]

Engine piston channel for optimum air scavenging

A piston channel (16) is provided for a piston (12) of an air scavenging internal combustion engine (10). The channel (16) extends radially inward partially around a circumference of a piston body. An…

DRIVE·Sep 7·1 min read

F02B25/14 ELECTROLUX HOME PROD INC [US]

Stratified air scavenged two-cycle engine with air flow

An SAS two-cycle engine (10) has a cylinder block (12) that has a bore (14) with at least one scavenging port (32) and at least one fresh air port (62, 64) therein. The bore (14) extends to a crankcas…

DRIVE·Aug 24·2 min read

F02B25/14 ELECTROLUX HOME PROD INC [US]

Two-stroke cycle engine

This invention concerns a two-stroke cycle engine, more specially it concerns a two-stroke cycle engine using a preceding air-layer for scavenging. It has a scavenger passage (109d) connected to a bra…

DRIVE·Feb 23·2 min read

F02B25/14 MITSUBISHI HEAVY IND LTD [JP]

Two-stroke internal combustion engine

Crankcase scavenged two-stroke internal combustion engine (1), in which a piston ported air passage is arranged between an air inlet (2) and the upper part of a number of transfer ducts (3, 3'). The a…

DRIVE·Jan 19·2 min read

F02B25/14 ELECTROLUX AB [SE]

Two stroke engine without sump-pump

The two-stroke internal combustion engine uses a compressor (2) which feeds air via channels, and through ports (4) which are uncovered by the movement of the piston (7). A filter (1) purifies the air…

DRIVE·Feb 4·2 min read

F02B25/14 LACAVA JEAN-FRANCOIS [FR]

Low pollution two stroke and four stroke engine with scavenging and supercharging

The two stroke engine has a crown piston (6) moving in a cylinder (1) comprising an annular chamber which divides the piston crown into two variable volumes (5,2) according to its position. The piston…

DRIVE·Jan 7·1 min read

F02B25/14 EURL D L B [FR]

An improvement of two stroke engine

This invention relates to an improvement of two stroke engine in which a sleeve piston is employed to move up and down in the cylinder and to control alternatively the opening and closing of the intak…

DRIVE·Apr 9·1 min read

F02B25/14 CHEN YUNG CHIEN [TW]

Injection port for internal combustion engine

An internal combustion engine having a cylinder with a piston movement area; a piston movably mounted in the cylinder; an ignition system connected to the cylinder; and a fuel delivery system connecte…

DRIVE·Mar 5·1 min read

F02B25/14 TECHTRONIC IND CO LTD [CN]

STRATIFIED SCAVENGING TWO-STROKE CYCLE ENGINE

The engine can improve a leading air suction efficiency, has a simple structure and a low cost. Accordingly, in a stratified scavenging two-stroke cycle engine provided with an exhaust port (22) and a…

DRIVE·Jan 30·2 min read

F02B25/14 KOMATSU ZENOA KK [JP]

Stratified scavenging two-stroke Internal combustion engine

A two-stroke internal combustion engine having an air control arrangement which controls scavenging air flow during rapid engine acceleration to optimize the acceleration and maximum power output of t…

DRIVE·Sep 19·1 min read

F02B25/14 WALBRO JAPAN INC [JP]

Small engine fuel injection system

A fuel injection system for a two-stroke small engine (16) has a charge forming device (14) with an injector mixing passage (62) which forms a rich fuel and air mixture supplied to a tuned injector tu…

DRIVE·Aug 1·2 min read

F02B25/14 WALBRO CORP [US]