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WO/1998/010179A2 |
An improved HCCI engine and control scheme is provided which produces stable HCCI combustion while optimally minimizing emissions and maximizing efficiency. In the present invention, the fuel/air mixture is thoroughly mixed to form a ver...
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WO/1998/007973A1 |
A premixed-charge compression-ignition engine, and a control system (10), is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low nitrous-oxide emissions, g...
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WO/1997/049906A1 |
In a prior art internal combustion engine, an oxygen-containing mixture is first compressed in sequential compression strokes which heats it, and then ignited, whereupon the combustion gases expand. Here at least a part of the fuel fed i...
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WO/1997/049907A1 |
In a prior art internal combustion engine, an oxygen-containing mixture is first compressed in sequential compression strokes and then ignited, whereupon the combustion gases expand. Here at least a part of the fuel fed in is heated befo...
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WO/1997/039232A1 |
Procedure and devices relating to a cyclical internal combustion engine with a constant-volume independent combustion chamber in which, for each working cylinder or element, combustion chamber (1), combustion chamber (2) and expansion ch...
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WO/1997/013971A1 |
A drive train includes an engine having a power cylinder (12) with a power piston (4). Fuel is fed into a combustion chamber (2) located within the power cylinder at one side of the power piston. Intake and exhaust valves (16, 18), in fl...
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WO/1997/011264A1 |
The invention relates to a method and to an arrangement pertaining to internal combustion engines in which each cylinder (1) communicates with a second cylinder (4) that includes a movable piston (5), by means of which the volume of the ...
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WO/1997/002417A1 |
The invention relates to a cylinder head device (2) for an internal combustion engine with at least one cylinder (4). The cylinder head has for each cylinder an inlet channel (6) with an inlet valve (7), and an exhaust channel (8) with a...
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WO/1996/041939A1 |
A fuel-air mixture cooling chamber (20) is formed between a main piston (4) and a sub-piston (19) by supporting the sub-piston (19) on an upper surface of the main piston (4) in such a manner as to vertically move freely, and this fuel-a...
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WO/1996/027079A1 |
The compression ratio is variable in that the piston hub may be adjusted, since the connecting rod (9) is mounted at the crankshaft side on an eccentric crank pin (1). The eccentric crank pin (1) can be adjusted around its axis of rotati...
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WO/1996/024762A1 |
The invention relates to a device in a cylinder head for a combustion engine. The cylinder head (1) has at least one inlet and one outlet channel (9) each with an inlet or outlet valve (8), respectively, for controlling the communication...
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WO/1996/018053A1 |
An adjustable stroke reciprocating mechanism which includes a reciprocating member (10, 10a) mounted for reciprocating movement, a rotating member (35) mounted for rotation about a main axis (XX), a connecting rod (14, 14a) operatively c...
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WO/1996/016253A1 |
Valve lift and duration may be varied by moving the pivot (3) of a rocker arm or finger follower (2), and simultaneously altering the valve clearance during engine operation. The phase of the valve event may also be varied by moving the ...
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WO/1996/015362A1 |
Inlet and exhaust valve timing is varied in conjunction with reducing the engines compression ratio and increasing drive to the supercharger. Variations include the early opening of one or more exhaust valves and/or closure of one or mor...
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WO/1996/001939A1 |
A four stroke reciprocating piston type internal combustion engine in which an expansion ratio in each cylinder is greater than the compression ratio of the cylinder. This may be created by closing an intake valve or valves (2) of each c...
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WO/1996/001940A1 |
An internal combustion engine having at least one cylinder (2) with a primary piston (3) slidable therein, the primary piston (3) being linked to a crankshaft (4) to provide power output from the engine, is characterised in that the uppe...
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WO/1996/001943A1 |
This invention relates to engine-building and more particularly to a method of piston internal combustion engine working and may be used in stationary power-generating plants and in transport. A method of piston internal combustion engin...
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WO/1995/032359A1 |
Variable valve lift in an engine is achieved by varying the location of the pivot (6) of the rocker arm or finger follower (2). The path of contact between the rocker arm or finger follower and the pivot may be circular or non-circular. ...
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WO/1995/032360A1 |
A process allows waste heat from an internal combustion engine to be recovered. At least part of the thermal energy contained in the exhaust fumes from a first stroke and in the engine block are used to evaporate a liquid injected into t...
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WO/1995/026466A1 |
Device for controlling the engine braking power of an internal combustion engine (1) in a motor vehicle with a compression braking device (8) and an exhaust pressure governor (10). The device comprises a control unit (14), comprising mic...
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WO/1995/024549A1 |
A variable compression ratio engine which can operate both in a Miller cycle and a normal cycle and which can produce a high output, reduce the generation of NOx and prevent the occurrence of knocking. In order to make this happen, the e...
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WO/1995/008705A1 |
An adjustable length connecting rod assembly (10) for an internal combustion engine (76) provides prolonged periods of substantially constant combustion chamber volume. A rotatable disk (22) mounted in the upper sleeve end (20) of a conn...
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WO/1995/008051A1 |
Variable valve lift in an engine as well as variable phase and duration, are achieved by varying the location of the pivot of the rocker arm or finger follower. The pivot shaft and rocker arm or finger follower have engaging teeth to mat...
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WO/1995/000752A1 |
An internal combustion engine comprises one or more pairs of first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and respective first and second pistons (16, 18) recipro...
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WO/1994/025743A1 |
Method and devices for controlling the combustion of a four stroke engine, comprising for each cylinder, in addition to the main cumbustion chamber (7), a small secondary combustion chamber (12) which is completely separate and independe...
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WO/1994/021905A1 |
An engine including an assembly of at least two cylinders (2 and 3) with different displacements, and two crankshafts (4 and 5) coupled at the same rotational speed via a gear train (19, 20, 21) and a variably timed transmission having t...
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WO/1994/021908A1 |
An arrangement for controlling and adjusting the compression ratio of internal combustion engine (10) during operation. Secondary cylinder (201) is formed in the engine head (102) and opens upon the combustion chamber (110). Secondary pi...
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WO/1994/000679A1 |
The invention relates to a process for controlling the operating cycle of an internal combustion piston engine and an engine (1) for carrying out said process. The engine has an intake system (5), an exhaust system (6) and valves in each...
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WO/1994/000681A1 |
The invention relates to a process and a device for setting the compression ratio of an internal combustion engine by changing the relative distance between the rotational axis (7a) of the engine crankshaft (7) and the surface of the eng...
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WO/1993/023664A1 |
Method and adjusting device for varying the compression of an internal combustion engine with a cylinder receiving section (2) which is pivotably mounted in the crankcase section (4) of the engine supporting the crankshaft, about a tilti...
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WO/1993/011350A1 |
An internal combustion engine and method for operating the same wherein the combustion chamber volume can be varied depending on throttle position by a member (9) that is inserted into the combustion chamber, and wherein the intake valve...
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WO/1992/008884A1 |
A pressure change-over valve disposed in a liquid passage for operating pressure-receiving pistons in order to permit mutual operations between the pressure-receiving pistons of a combustion promotion apparatus of an internal combustion ...
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WO/1991/014860A1 |
An improved arrangement for controlling and adjusting the compression ratio of an internal combustion engine (10) during operation. A secondary cylinder (201) is formed in the engine cylinder head (102) and has therein a secondary piston...
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WO/1991/006751A1 |
A compression ignition, internal combustion engine has at least one pair of pistons (13, 14) operating in separate cylinders (11a, 12a) interconnected through a transfer port (19). Said at least one pair of pistons (13, 14) includes a le...
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WO/1991/005142A1 |
A variable compression ratio internal combustion engine having at least one cylinder, a piston disposed in the cylinder and a cylinder head disposed at one end of the cylinder. The cylinder head has a combustion chamber and a piston cham...
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WO/1990/015919A1 |
The present invention relates to an arrangement for an internal combustion engine. The engine is of the kind which has a number of working cylinders (1, 2, 3, 4), each of which communicating with a corresponding auxiliary cylinder (5, 6,...
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WO/1990/005239A1 |
In a spark-ignition engine the compression ratio is varied by movement of a spring-loaded piston (1) in a secondary chamber (2) contiguous with the clearance volume of the main combustion chamber (3). The position of the spring-loaded pi...
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WO/1990/003507A1 |
An internal combustion engine is described in which each combustion chamber (10) in the engine has an associated auxiliary chamber (18), and in which, for low compression ratio operation, the auxiliary chamber (18) is constantly connecte...
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WO/1989/003476A1 |
The engine is characterized by an axial group of two cylinders (2, 7) communicating by means of a channel (22) situated in the cylinder head (20). Both cylinders (2, 7) joined side to side allow for a centralization of both crankshafts (...
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WO/1988/008481A1 |
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 especially during low demand periods of ...
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WO/1988/003835A1 |
The energizer (10) includes an electric discharge apparatus (14) for creating an electric discharge and a focusing mechanism (40) for focusing the electric discharge on a fluid to be energized. In a preferred embodiment of the invention,...
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WO/1988/001684A1 |
In an internal combustion engine (10) a piston (12) reciprocates within a cylinder (11) such that outward power strokes alternate with outward induction strokes. A power transfer lever (24) pivotally mounted intermediate its ends has one...
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WO/1986/004955A1 |
A four-stroke engine cylinder (10) has a main chamber (12) and a main piston (16) reciprocally movable therein. The main piston (16) itself contains a secondary chamber in which a secondary piston (24) is reciprocally movable. The connec...
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WO/1985/001316A1 |
A variable compression ratio piston I.C. engine includes a piston (14) with an inner chamber (38) separated from the combustion working chamber (16) by an orifice (g). The orifice is geometrically shaped to restrict transfer of gas from ...
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WO/1983/004280A1 |
An internal combustion engine in which an auxiliary chamber (22) is provided communicating with the compression chamber (12). A valve (20) is arranged to open and close in such a manner as to isolate the auxiliary chamber (22) from the c...
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WO/1983/002645A1 |
An internal combustion engine has at least one chamber (2) where there is a moving working member (3), an inlet valve (4) and an outlet valve (5) as well as a compression regulation device (6). In an inlet channel (8) there is arranged a...
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WO/1983/000901A1 |
In a combustion engine, the amount of working medium is controlled by allowing the engine to suck in an amount of working medium corresponding to full gas operation, of which a portion is then allowed to flow out again without being comp...
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WO/1983/000360A1 |
To drive a shaft (8) from a reciprocating piston engine, the force obtained during the working time of the piston (1, 2) is transmitted by a lever (4) which rotates the shaft (8) by means of a free-wheel (7) acting during the driving str...
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WO/1982/004462A1 |
Internal combustion engine comprising at least one cylinder (1) and one piston (2) mounted on a crankshaft, each cylinder comprising at least one inlet valve (6) and one exhaust valve (7). At the end of the cylinder (1) corresponding to ...
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WO/1981/003203A1 |
A two-cycle, two-cylinder (10), (12) opposed piston (14), (16), (18), (20) internal combustion engine having means for continuously adjusting the stroke of the engine and the blocking and unblocking of intake (88), (92), transfer (90) an...
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