About 22 results
https://drivepatents.com/patents/961521 · 15 Apr 2015
In the carburetor (1) according to the present invention, three downstream body passages (10b, 11b, 12b) in the body (2) communicate with three valve passages (20, 21, 22) in the valve element (4), and the valve element (4) rotates between a closed positio...
https://drivepatents.com/patents/968986 · 8 Oct 2014
A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (4...
https://drivepatents.com/patents/970799 · 27 Aug 2014
A scavenging port 24 is composed of a main port portion 28 directly ranging to a scavenging passage 22 and a port extension 30 extending from the main port portion 28 in the lateral direction. The port extension 30 extends to the opposite side of an exhaus...
https://drivepatents.com/patents/991239 · 1 May 2013
A backpack work machine has a cover member (12) that defines a cooling air passage for forced air cooling around an engine (14) and an exhaust muffler (38). The air passage includes: a first air passage (62) extending along an intake-side lateral face of t...
https://drivepatents.com/patents/985072 · 17 Apr 2013
The intake device (1) for an engine includes a carburetor section (2) and an air cleaner section (4). The carburetor section (2) includes a body (5) having an intake passage (6) which has an opening (6a) communicating with the air cleaner section (4) and a...
https://drivepatents.com/patents/1000431 · 11 Jul 2012
There is provided an air cleaner that is capable of suppressing or reducing malfunctions and problems caused by mixed fuel that back flows from a carburetor, thereby prolonging filter life, reducing filter maintenance frequency, etc. The air cleaner compri...
https://drivepatents.com/patents/1001370 · 13 Jun 2012
An engine includes a cylinder block (60), and a piston (50) slidably mounted in a cylinder (61a), with the cylinder block being formed with an exhaust passage (80) leading to a combustion chamber (40) through an exhaust port (81), a first scavenging port (...
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...