About 22 results
https://drivepatents.com/patents/1380453 · 2 Apr 2026
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 surface of a combustion chamber () and a second face (F) formi...
https://drivepatents.com/patents/1394532 · 25 Feb 2026
Ein Zylinder (2) für einen Zweitaktmotor (1) weist mindestens einen ersten Abschnitt (29) eines Überströmkanals (10, 11) und eine Zylinderlängsachse (24) auf. Der Zylinder (2) weist ein Brennraumdach (43) und eine Flanschebene (26) zur Verbindung mit e...
https://drivepatents.com/patents/939254 · 10 Aug 2016
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 section (27) of the intake channel (21) is formed. The control...
https://drivepatents.com/patents/972917 · 2 Jul 2014
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 scavenging intake (362) that opens to the inside of the cra...
https://drivepatents.com/patents/1004514 · 14 Mar 2012
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 disposed closer to the exhaust port than a second pair of tra...
https://drivepatents.com/patents/1004777 · 29 Feb 2012
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 downward movement of piston. An outflow opening (21) fo...
https://drivepatents.com/patents/1005370 · 8 Feb 2012
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 least one spot of a scavenging passage 31L located at one...
https://drivepatents.com/patents/1010718 · 27 Jul 2011
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 first with rich air-fuel mixture generated by a carburetor, ...
https://drivepatents.com/patents/1013877 · 13 Apr 2011
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) for causing air to flow into the communication passage...
https://drivepatents.com/patents/1016139 · 26 Jan 2011
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 time being capable of further improving scavenging efficie...