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WO/2001/065075A1 |
A control tensioner device for adjusting and maintaining the tension in a flexible linkage in an engine includes a retainer having a central passageway extending therethrough. At least a portion of the central passageway contains a first...
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WO/2001/065087A1 |
A four stroke internal combustion engine is disclosed having a power take off housing located at one end of the engine. A crankshaft is operatively connected to a drive shaft and the cam shaft within the power take off housing. Furthermo...
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WO/2001/065089A1 |
A supercharged four stroke internal combustion engine. The engine includes a power take off housing located on one end of the crankcase. A supercharger for boosting air intake to an air intake manifold is mounted to the power take off an...
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WO/2001/061166A1 |
An internal combustion engine (10) having a combustion chamber (108) and a fuel delivery system (100) for delivering fuel into the combustion chamber (108). The fuel delivery system (100) includes a combustion compression wave reflection...
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WO/2001/059260A1 |
The fluid displacement pump enables substantially continuous pumping from a low-pressure side to a high-pressure side substantially without any backflow or backpressure pulsations. Liquid or gas is injected to the high-pressure side by w...
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WO/2001/057377A1 |
When considering the main types of commercial engines available on the market, whether two-stroke, four-stroke or rotary-type, it is found that, and this is commonplace, said engines are highly polluting. The main reason for this lies in...
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WO/2001/053677A1 |
In a method and an arrangement for energy transfer in a four-stroke combustion engine (1) with at least two cylinders (A; B), gas pressure remaining after the expansion phase is used for supercharging a second cylinder. Said first and se...
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WO/2001/051784A1 |
The invention relates to a crankcase scavenged internal combustion engine (1) of two-stroke type, comprising a cylinder (2) with an inlet tube (10) for air/fuel mixture and a number of transfer ducts (20), a carburettor (12) connected to...
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WO/2001/051785A1 |
Crankcase scavenged two-stroke internal combustion engine (1), in which at least one piston ported air passage, with length L¿ai?, is arranged between an air inlet (2) and each scavenging port (31, 31') of a number of transfer ducts (3,...
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WO/2001/049997A1 |
An internal combustion engine comprising at least one pair of pistons (20, 21) rotating, oscillating or reciprocating in cylinder assemblies (11, 12) joined by a crankcase (13), each piston (20, 21) being driven by a crankshaft housed in...
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WO/2001/049980A1 |
An internal combustion engine comprising at least one rotating, oscillating or reciprocating piston (20, 21) in a cylinder (11, 12), each piston (20, 21) defining with the cylinder (11, 12) a combustion chamber (35), each combustion cham...
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WO/2001/048380A1 |
A compressor (15) comprising a working chamber (34) having one end open, a piston (25) located in said chamber (34) and arranged to reciprocate therein in sealed relation to the chamber internal wall (24), a plate valve member (35) adapt...
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WO/2001/046574A2 |
Reciprocating internal combustion engine with balancing and pre-compression, comprising: at least one active cylinder (4); at least one auxiliary cylinder (6), positioned at right-angles to the active cylinder; the throw (2) of the pisto...
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WO/2001/044634A1 |
A piston valve type layered scavenging 2-cycle engine which is reduced in engine height, lightweight and compact and capable of reliably achieving exhaust emission control. To this end, the upper edge (14a) of a pilot air port (14) forme...
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WO/2001/038705A1 |
The invention aims to provide a compact four-stroke engine with rotary valve control and petroil lubrication which has a simplified construction and allows the engine to be used in any position as a result of an improved lubrication syst...
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WO2001006099A9 |
A reduced volume scavenging system for a two cycle engine embodying a duplex cylinder having an upper cylinder bore (18, 19) and a reduced-diameter lower cylinder bore (18', 19'). The lower bore (18', 19') communicates with a crankcase (...
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WO/2001/034954A1 |
An internal combustion engine having a power cylinder (200), whereby the power, ventilation (comprising simultaneous intake and exhaust), and compression events within the power cylinder (200) completed define the cycle of the engine, wi...
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WO/2001/025604A1 |
A stratified scavenging two-cycle engine with catalyst capable of meeting, using catalyst, such a requirement that THC exhaust rate must be 54 g/kw • h or less, wherein an air feed volume ratio R of an air feed volume (qa) flowing thro...
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WO/2001/021941A1 |
A two-stroke internal combustion engine (1), mainly intended for a working tool, preferably a chain saw or a trimmer, and provided with a muffler device (2). A pipe (3), which either is straight or bent, and having an adapted or tuned le...
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WO/2001/018368A1 |
Disclosed is an internal combustion engine that is provided with at least one cylinder (6). A piston (16) can be moved to-and-fro in said cylinder and is connected to a shaft (26; 50, 52) via a transmission mechanism (18, 32; 18, 56). Th...
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WO/2001/018374A1 |
A method of treating NOx emissions in the exhaust gas of an internal combustion engine having catalyst means including at least a first catalyst converter capable of treating NOx, the method including operating the engine in a first mode...
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WO/2001/016470A1 |
An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerato...
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WO/2001/009494A1 |
Disclosed is an intercooler system which uses an air conditioner evaporator coil (2) or other mechanical refrigeration device to cool air flowing therethrough prior to intake of the air by an internal combustion engine (6). The invention...
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WO2000070211B1 |
A two-cycle engine comprises a cylinder block (37) containing two parallel cylinders (45, 61) adjacent to each other. One cylinder (61) operating as a volumetric fuel pump. Both cylinders' center lines lying in a plane perpendicular to a...
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WO/2000/077362A1 |
The step-piston internal combustion engine with working and service cylinders is a machine to transform chemical energy into mechanical energy. The essence of the invention lies in the design of the cylinder and the piston. The cylinder ...
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WO/2000/077357A1 |
A piston (17) for an internal combustion engine. The piston (17) has a piston head (43) and a recess (46) formed in the piston head. A formation (91) is associated with the recess (46) for generating a turbulent motion in a fluid introdu...
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WO/2000/075497A1 |
The invention relates to a device to obtain a sump-pump two stroke engine separated from the system to transform the reciprocating rectilinear motion into rotational motion of the output shaft, and relevant independent lubrication system...
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WO/2000/073639A1 |
A screw displacer, or blower (20), - operable as super-charger, for a positive displacement i.c. engine (10) has a pair of cooperatively inter-meshing, but otherwise non-externally, mechanically-entrained, contra-rotating, helical-profil...
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WO/2000/068552A1 |
The invention relates to an internal combustion engine that includes at least a supercharger which has at least one rotor (6) which is driven by a rotating engine and which includes a driven shaft (10) and is rotatably mounted in a cylin...
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WO/2000/065212A1 |
Power module (12) comprising an air compressor chamber (40), an air supply valve (30) operable to control air flow to the air compressor chamber (40), a combustion chamber (58) separate from the air compressor chamber (36), an air storag...
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WO/2000/043660A1 |
The invention refers to a cylinder (1) for a two-stroke, crankcase scavenged combustion engine, comprising an inlet pipe (10) for air/fuel mixture, at least one transfer port (17), and at least one outer connecting port (18) intended to ...
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WO/2000/043650A1 |
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 air inlet is equipped with a restricti...
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WO1999067508A9 |
An emission control system (18) for reducing total particulates and NO>X< emissions from the exhaust (16) of a diesel engine (10) includes an air supply system that supplies oxygen enriched air to an air intake (22) of the engine (10). T...
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WO/2000/040845A2 |
The invention concerns a two-stroke or four-stroke internal combustion engine (M1) operating by intake of air-fuel mixture or by intake of fresh air with direct or indirect fuel injection, the engine comprising at least a cylinder (1) de...
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WO/2000/039439A1 |
A supercharged internal combustion engine (40) which includes a turbocharger (10) which includes a compressor (12) and a turbine (14) in communication with ambient air wherein that air is pressurized by the compressor (12). An intercoole...
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WO/2000/032917A1 |
A forced air induction system for an internal combustion engine (10) comprises a positive displacement rotary compressor (26) driven by an electric motor (28). The compressor (26) draws air via the inlet 20.2 and air-cleaner (22), compre...
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WO/2000/028199A1 |
This invention provides a method of converting a four-stroke reciprocating piston engine (10) into an efficient two-stroke engine breathing through the original overhead valves (18). This is achieved by providing a reciprocating positive...
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WO/2000/026516A1 |
A crankcase scavenged internal combustion engine, mainly intended for a handheld working tool, such as a chain saw, with an engine body (2) composed of at least one crankcase body (3, 4) and a cylinder body (5), which are joined together...
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WO/2000/026527A1 |
An exhaust emission recirculating system for supercharged diesel engine, comprising a main power diesel engine (11) with a turbocharger (13) and an auxiliary power engine (18) which is connected to the main power diesel engine and suppli...
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WO/2000/020736A1 |
An electric air charger (12) for use with an internal combustion engine (10) is disclosed. The air charger (12) includes an impeller (28) for supplying air to the engine. A housing (26) surrounds the impeller (28) and has an air inlet (4...
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WO/2000/017500A2 |
An engine (10) has a block with a crankcase chamber (22) and two cylinders (24, 26) extending radially from the chamber (22). A piston (56, 60) reciprocates in each cylinder (24, 26). The crankcase chamber (22) accommodates a crankshaft ...
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WO1999042718A9 |
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...
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WO1999046490A9 |
The present invention relates to an adiabatic-type engine designed for reducing operation costs. This engine is characterised in that two additional strokes are added for a forced cooling of the engine during the strokes and for blowing ...
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WO/2000/011334A1 |
An internal combustion engine having a compressed air assisted fuel injection system (20). The injection system has a compressed air accumulator (34) with a first aperture (30) into the cylinder of the engine and a second aperture (38) i...
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WO/2000/000724A1 |
The present invention relates to a method for operating a two-stroke internal combustion engine, wherein said method involves igniting and burning the air-fuel mixture and expanding the gases. The exhaust gases are evacuated when the pis...
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WO/1999/066181A1 |
By a piston machine with at least one axially movable piston in a cylinder, where at the top of the cylinder there is at least one intake valve and at least one exhaust valve, there is designed a further injection port (1'', 5, 5'') in c...
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WO/1999/064734A1 |
The invention relates to a reciprocating engine which can draw a quantity of gas into the lower piston chamber (7) thereof, can then press this quantity of gas into a delivery tube (9) which leads to the cylinder head (5) and can hold it...
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WO/1999/058829A1 |
A crankcase scavenged two-stroke engine includes a piston (8) reciprocably mounted in a cylinder (2). The cylinder wall has an exhaust port (22) and a rear tranfer port (24) opposed thereto formed in it. The rear transfer port (24) commu...
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WO/1999/057427A1 |
An engine capable of use with multiple different types of fuels including gasoline, alcohol based fuels, and heavy fuels such as diesel, JP5, JP8, Jet A, and kerosene based fuels. The engine (10) includes a main cylinder (25) having a co...
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WO/1999/051865A1 |
The present invention relates to a method for operating a multiple-fuel two-stroke internal combustion engine. According to the signal from an oxygen sensor arranged in the exhaust system, a control unit outputs signals for modifying the...
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