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8972151 Two-cycle engine  
Disclosed herein is a two-cycle engine that includes an exhaust port which is opened and closed at one end portion in a longitudinal direction of a cylinder; a scavenging port which is opened and...
8826869 Intake system for a two-stroke internal combustion engine  
A combustion chamber of an internal combustion engine has primary intake ports located a first distance from the crankshaft and primary intake ports located a second distance from the crankshaft....
8820691 Adjustable support structure for an after-treatment component  
An adjustable support structure for an after-treatment component is disclosed. The adjustable support structure may have a housing wall. The adjustable support structure may also have a plate. The...
8746192 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...
8662048 Symmetric extended porting  
A cylinder of an externally fired, two-stroke engine has at least two exhaust channels. At least the inflow openings of the exhaust channels are located or formed symmetrical in relation to a...
8616173 Engine assembly including modified intake port arrangement  
An engine assembly may include an engine block, a first piston, a second piston, and a cylinder head. The cylinder head and the engine block may define a first combustion chamber and a second...
8561581 Two-stroke uniflow turbo-compound internal combustion engine  
A radial, two-stroke uniflow internal combustion (IC) cylinder and multiple cylinder engine, the cylinder having a cylinder wall and a cylinder head, the cylinder head having an exhaust port, a...
8505501 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Two-stroke uniflow turbo-compound internal combustion engine
 
A radial, two-stroke uniflow internal combustion (IC) cylinder and multiple cylinder engine, the cylinder having a cylinder wall and a cylinder head, the cylinder head having an exhaust port, a...
8439005 Two cycle engine and tool  
A two cycle engine has an exhaust port provided in a side portion of a cylinder, and a scavenge air port provided in the side portion of the cylinder so as to be symmetrical with a plane passing...
7520253 Two-stroke internal combustion engine  
A cylinder bore (4) of a two-stroke internal combustion engine (1) has first scavenging ports (12) and second scavenging ports (13) inside. The first scavenging ports (12) are nearer to an exhaust...
7299773 Cylinder for a two stroke engine  
A cylinder for a two-stroke engine has a cylinder wall defining a cylinder interior. A cylinder head closes of a combustion chamber in the cylinder interior. An exhaust is connected to the...
7146806 Internal combustion engine cylinder and muffler assembly with catalytic converter  
A two cycle internal combustion engine cylinder having a piston chamber. The cylinder includes transfer ports; and an exhaust port divided into at least two sections. A first one of the sections...
7128031 Lead air control apparatus of stratified scavenging two-cycle engine  
In an insulator (21) inserted between a carburetor (30) and a cylinder (3) for a purpose of insulating heat, there are formed an intake passage (22) connected to the carburetor (30), and a pair of...
7017535 Carburetor for two-stroke engine  
The present invention provides a carburetor that can be adapted to a variety of engines with different positional relationships between the location for feeding the air/fuel mixture and the...
6854430 Engine body and cylinder for internal combustion engine  
The subject invention refers to an engine body for a crankcase scavenged two-stroke engine, comprising a cylinder (1) with a cylinder bore (2), and on opposite sides of the cylinder located,...
6755160 Internal combustion engine for a handheld portable work apparatus  
The invention relates to an internal combustion engine for a portable handheld work apparatus including a motor-driven chain saw, cutoff machine or the like and relates especially to a two-stroke...
6736090 Valve device of engine  
An engine valve device, wherein an opening part (7) smaller in area than the end surface of a piston (5) is provided in the end surface of a cylinder (3) to form a valve seat (8), and a valve disc...
6668770 Two-stroke interal combustion engine  
Crankcase scavenged two-stroke internal combustion engine, in which at least one piston ported air passage, with length Lai, is arranged between an air inlet (2) and each scavenging port (31, 31′)...
6662766 Two-stroke internal combustion engine  
An air-preintroduction type two-stroke internal combustion engine which is capable of minimizing the quantity of blow-by, thus making it possible to improve the fuel consumption and to reduce the...
6647933 Electronic control unit for two-cycle internal combustion engine  
An electronic control unit for a two-cycle internal combustion engine including an exhaust control valve which adjusts exhaust timing, a valve controller which controls the exhaust control valve,...
6497204 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)...
6263841 Two stroke engine having reduced emissions  
A simple, piston ported, two stroke engine having low weight, small size, low fuel consumption, enhanced power output and reduced exhaust emissions. A rotary exhaust valve adjacent to the cylinder...
6216649 Low emission two-cycle internal combustion engine for powering a portable tool  
A low emission two-cycle internal combustion engine for powering a portable tool is provided. The two-cycle engine comprising a cylinder block containing two parallel cylinders adjacent to each...
6170444 Air and exhaust gas management system for a two-cycle internal combustion engine  
The air and exhaust gas management (scavenging) system for a two-cycle internal combustion engine allows the engine to perform comparably to similar four-cycle engines, while remaining lighter,...
6161509 Cylinder  
PCT No. PCT/SE97/00572 Sec. 371 Date Dec. 14, 1998 Sec. 102(e) Date Dec. 14, 1998 PCT Filed Apr. 4, 1997 PCT Pub. No. WO97/38217 PCT Pub. Date Oct. 16, 1997The invention refers to a cylinder (1)...
6129059 2-stroke cycle internal combustion engine  
To provide a 2-stroke cycle internal combustion engine for a vehicle in which less blowoff of a gas mixture occurs in a combustion chamber, fuel consumption is low and high exhaust gas purifying...
6016776 Cylinder  
Cylinder (1) for a two-stroke combustion engine intended for a handheld working tool, preferrably a chain saw. The exhaust port's (3) mouth (17) inside the cylinder as well as the cylinder's...
5908013 Two-cycle engine  
A two-cycle engine for boosting intake pressure for higher performance per displacement. The two-cycle engine includes a crankcase having a blower housing and a crankshaft therein extending...
5899177 Four-cycle marine engine  
A cylinder block for an internal combustion engine includes a mounting surface having therein a crankcase cavity and a pair of cylinders respectively extending from the cavity in acute angular...
5881687 Two-stroke internal combustion engine  
In a two-stroke internal combustion engine, output power is increased and total hydrocarbon (THC) exhaust is decreased as a result of small structural changes. An exhaust port and scavenging ports...
5870981 Two-stroke engine having several transfer channels  
A two-stroke engine for driving a crankshaft includes a cylinder defining a longitudinal elevation axis and having a top wall and a cylindrical side wall terminating in the top wall. A piston is...
5799635 Two cycle engine having a decompression slot  
A two-cycle engine having an enclosed crankcase assembly and a cylinder assembly. A cylinder wall is sized to sealingly cooperate with the piston as it reciprocates relative thereto. The cylinder...
5471960 Cylinder for two-cycle internal combustion engine  
A cylinder for a two-cycle internal combustion engine is disclosed which enables reduction of HC in exhaust gas to be effectively attained without any complicated modification. A pair of...
5363819 Pneumatic-injection two-stroke engine with first order balancing of the reciprocating masses  
A two-stroke engine comprising a crankshaft rotating around a first axis of rotation and having at least one balancing mass, a controller for controlling feeding of at least one combustion chamber...
5345897 Gas-exchanging process for two-stroke, internal combustion engines  
The invention relates to a gas-exchanging process for two-stroke internal combustion engines, and a two-stroke internal combustion engine for executing the process, in which two scavenging paths...
5307792 Two cycle engine provided with a scavenging pump  
A scavenge system for a two cycle internal combustion engine that includes separate scavenge manifolds and riser scavenge passages extending therefrom to the individual scavenge ports so as to...
5213069 Two-stroke super charged engine and process for operating  
A two-stroke internal combustion engine is provided with a cylinder and a piston reciprocatingly mounted in the cylinder; the cylinder has two inlet ducts each having a inlet port opening into the...
5191858 Dual cycle engine  
The invention relates to new and useful improvements in dual-cycle engine design and construction. The invention enhances the mechanical ability of such engines to automatically match the engine...
5159903 Air intake system for two cycle multi cylinder engine  
Two embodiments of multiple cylinder two cycle internal combustion engines embodying scavenge manifolds that extend around the cylinder bores and which communicate with the cylinder bores through...
5134976 Internal combustion engine  
An internal combustion engine comprising an engine block defining a cylinder bore and including an exhaust passage communicating with the cylinder bore, a cylinder liner which is housed in the...
5048473 Method and apparatus for equipping a two-stroke engine which is self-supercharged by post-charging and in which an admission duct provides pre-exhaust into a storage chamber  
The invention relates to a method and apparatus for arranging a post-charging two-stroke engine. The apparatus includes a post-charging system (16) including an air admission duct (22) to the...
5027757 Two-stroke cycle engine cylinder construction  
A cylinder for an internal-combustion two-stroke engine, having multiple intake ports, multiple intake valve ports and multiple exhaust ports. The cylinder enables a two-stroke engine to run on...
5025760 Die-cast liquid cooled cylinder and method of making  
A unique method of manufacturing a liquid cooled cylinder block by means of a die-casting process is disclosed. The cylinder block (12) has a bore (15) with a plurality of apertures. There is an...
4919088 Two cycle engine scavenging heat control  
A two cycle engine wherein the scavenging gas is heated at low loads to improve scavenging. The gas may be heated by passage through finned passages in heat exchange relation with the exhaust...
4907544 Turbocharged two-stroke internal combustion engine with four-stroke capability  
A two-stroke cycle internal combustion engine without crankcase scavenging is disclosed which is able to operate in a four-stroke mode at cranking and idle speeds. The engine utilizes a...
4899698 Combustion chamber for two-stroke reciprocating engine, and and engine making use thereof  
The present invention relates to a combustion chamber in which two flows of gas are admitted via ports at the bottom of the cylinder, one of the flows being a mixture containing fuel and the other...
4813395 Two-cycle engine and method of operation  
A method and system, including a valve (32) for controlling the amount of fluid purged from a cylinder (12) of a two-cycle engine prior to the combustion of an air-fuel mixture within the cylinder...
4809648 Two-stroke engine having a central scavenging system  
Disclosed is a two-stroke engine having a central scavenging system through which the scavenging mixture, regulated into a single stream at a scavenging port provided in the top wall of the...
4736716 Cooling system for a two stroke engine  
A cooling system for a two-stroke engine including a water jacketed cylinder having cooling passages located beneath the exhaust port and beneath the transfer ports in the cylinder wall. Liquid...
4671219 Two-stroke internal combustion engine  
A two-cycle internal combustion engine having an oblong cylinder and an oblong piston therein. The engine includes two sets of scavenging ports at either end of the oblong cylinder having at least...

Matches 1 - 50 out of 87 1 2 >