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Patent Searching and Data


Matches 251 - 300 out of 2,566

Document Document Title
WO/1993/025812
A piston (14) for an internal combustion engine (10) is provided with a reaction chamber (44) for generating radical fuel species during a combustion cycle for use during the next succeeding combustion cycle. The reaction chamber (44) is...  
WO/1993/022549
Fresh air fed into the working chamber (1) of an engine is centrifugally prevented from mixing with the combustion gases deliberately retained therein from one cycle to the next. An assembly for feeding in pressurized fuel (10) is arrang...  
WO/1993/009337
An internal combustion engine has at least one set 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) movable in th...  
WO/1993/008399
A gas delivery system for gas fuelled internal combustion engines, comprising a gas fuel delivery means (10) for delivering a controlled amount of gaseous fuel to a region adjacent a source of ignition (26). The gas fuel delivery means (...  
WO/1993/008385
An ignition device for an internal combustion engine comprising a small pre-chamber (1) having a volume of about 0.7 % of the volume of an associated combustion chamber, a small outlet orifice (1a) in the pre-chamber (1) having a dimensi...  
WO/1993/006348
A two stroke internal combustion engine comprises a piston (8) reciprocating in compression chamber (6), an inlet valve (5) permitting the supply of scavenging air at high pressure to compression chamber (6), a small external combustion ...  
WO/1992/006285
An internal combustion engine having cylinders (20), wherein each cylinder (20) comprises a split chamber with at least two regions (34, 36) formed therein and a piston (22) slidably disposed in the cylinder (20) to form at least one pri...  
WO/1992/002718
A capsule (10), the interior volume of which is an ignition chamber (14), is provided with an engine to improve ignition. The capsule (10) has an orifice (36) so the ignition chamber (14) can communicate with a main combustion chamber (5...  
WO/1992/001860
An internal combustion engine has first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and the second cylinder being formed in the crown of the first cylinder. First and ...  
WO/1991/019084
A split cycle internal combustion engine having located wholly within the combustion chamber (13) of the firing cylinder (10) and spaced from the walls thereof a hollow dome (14) with the closed head of the dome (14) adjacent to the head...  
WO/1991/019083
An internal combustion engine provided with an electrically heated member against which fuel collides in a combustion chamber. An electrically heated member (13) is provided in a cavity (7) formed in the top surface of a piston (2), and ...  
WO/1991/019085
An internal combustion engine provided with an electrically heated heating member on which fuel strikes and which is disposed in the combustion chamber. An electrically heated heating member (13) is disposed in a cavity (7) formed on the...  
WO/1991/012418
This invention relates to a fuel combustion system (10) for a lean burn internal combustion engine (12). Because of the lean fuel/air ratio, it is difficult to consistently achieve complete and thorough combustion within the main combust...  
WO/1991/008603
A spark plug for use with an internal combustion engine consists of an electrically conductive hollow body, a dielectric core member located within said body and through which extends a first electrode having a tip portion projecting bel...  
WO/1990/011435
A fuel combustion system (12) for an Otto-cycle internal combustion engine (10) including a main combustion chamber (14) and an auxiliairy combustion chamber (26). Timing of ignition is effected by opening a control valve device (28) dur...  
WO/1990/010152
A method and device (18) for generating (31, 32, 28, 13, 17, 21, 27) pulsed jets which will form plumes comprising eddy structures, which entrain a fuel/air mixture from the head space of an internal combustion engine, and mixing this fu...  
WO/1989/007193
In a process for operating a single-cylinder or multicylinder internal combustion engine, in particular with spontaneously igniting fuel, metered quantities of fuel are introduced into a combustion chamber. Prior to introduction into the...  
WO/1989/006747
A fuel injection apparatus in which a closed fuel circuit is pressurized, and the amount of fuel injected is determined by varying the on/off time of injectors. Air intake by the engine is controlled in response to the aspiration conditi...  
WO/1989/003476
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 (...  
WO/1989/003474
A rotary bell (36) driven by a hollow shaft (42) and a pinion (46) selectively uncovers the intake and exhaust ports of the cylinder head (23). The bell delimits a substantially hemispherical combustion chamber (26) and has a progressive...  
WO/1988/006231
A combustor and a combustion system for internal combustion engines. A funnel-shaped cone (9) having an opening (13) at the top portion thereof is provided in a combustion chamber (5) so as to be spaced from an igniter. An inflammable ga...  
WO/1988/001339
An internal combustion engine, having a combustion chamber (10, 11) with a main suction valve (4) for a lean mixture and a secondary suction valve (9) for a rich mixture in the area of the sparking plug (13), is provided with a compresso...  
WO/1988/001338
An engine accessory (P) provides an auxiliary combustion chamber (1) for conventional four-stroke internal combustion engines in the form of a pre-combustion chamber for insertion in an existing spark plug socket (4) in the engine head (...  
WO/1988/000281
In a reciprocating piston engine a peripheral cavity (6) surrounds each engine cylinder (8) adjacent a cyclinder head (4) of the engine. A plurality of ports (7) provide communication between the cavity (6) and the cylinder (8), the port...  
WO/1987/005358
In an internal combustion engine, each cylinder (1) has a storage chamber (10) shaped as a surrounding annular space. This storage chamber (10) has injection nozzles (17, 18) which inject the fuel necessary for the combustion. Only when ...  
WO/1987/004494
A compound engine comprises a positive displacement engine (100), such as a reciprocating or rotary piston diesel engine, which is linked to a turbine/turbocompressor set in the form of a gas turbine engine (102) with a free power turbin...  
WO/1987/004493
An operating cycle for a turbocompounded 2-stroke piston engine comprises a compression stroke, shown as B-A-G on the indicator diagram and an expansion stroke G-K-L-B. The expansion stroke expands the combustion gases to a pressure PB w...  
WO/1987/004492
A prime mover comprises a positive displacement engine (100), such as a reciprocating or rotary piston engine, which is linked to a turbine/turbocompressor set, such as the gas turbine engine (102). The exhaust gases of the positive disp...  
WO/1987/004491
The cylinder head (401) of a turbocompounded 2-stroke piston engine incorporates, for each cylinder (400), an indirect combustion chamber (402), which is connected to the cylinder clearance volume (413) by a passage (412). The indirect c...  
WO/1987/001523
An ignition device (4) is disclosed for internal combustion engines comprising a precombustion chamber (7) near the spark plug (5) and a connection (8) serving as a throttle (9) between the precombustion chamber and combustion chamber (6...  
WO/1986/000664
Internal combustion engine having a cylinder (14) and reciprocating piston (12). A main combustion chamber (26) in the cylinder head (15) of the engine is in communication with the cylinder volume above piston (12) via a passageway (28),...  
WO/1985/002884
A head assembly (10) for an internal combustion engine. The assembly is comprised of a cast ceramic body (16) with a coefficient of thermal expansion less than 1.0 x 10-6 in/in/oF (lithium aluminum silicate) fitting over the cylinder blo...  
WO/1985/001318
Heat plugs made of durable, heat resistant material are useful for protecting aluminium pistons from the jet flame of burning fuel emitted from the precombustion chamber of some compression ignition engines. However, when slower burning ...  
WO/1985/000410
Internal combustion engine having a main combustion chamber (26) and a subsidiary combustion chamber (30) interconnected by a passageway (32) having a flow control element (34) arranged therein to cyclically vary the extent of communicat...  
WO/1984/004800
The injection device particularly used in self-ignition engines comprises a fuel injection nozzle (10) and an incandescent body (20) provided with a channel (30) having on its inner surface a double heating layer (33) and intended to gui...  
WO/1984/002745
Internal combustion engine comprising at least one cylinder (10), one piston (2) mounted to the crankshaft (2'), and at least one inlet valve and one exhaust valve. At the end of the cylinder (1) corresponding to the top dead center of t...  
WO/1984/001407
A diesel type prechamber (20) has a centrally located heated tubular member (36) supplied internally with hot air through a secondary throat or transfer passage (40), the air vaporizing the fuel sprayed against the outer surface (46) of ...  
WO/1984/000994
A fuel vaporizer chamber (12) is interconnected through a valve (14) to an engine combustion chamber (11). The valve remains open during the combustion phase allowing hot combustion products to fill the vaporizer chamber (12). The valve ...  
WO/1983/000530
An internal combustion engine comprises a body (6) defining a cylinder (8), within which a piston (10) is mounted, and a cylinder head (12) secured to the body (6) over the cylinder (8), a chamber (16) being provided between the body and...  
WO/1983/000529
An internal combustion engine has a main combustion chamber (20) in communication with a preliminary combustion chamber (30) and has an isolating valve (32) for isolating the preliminary from the main chamber. During a compression stroke...  
WO/1982/004465
An ignition chamber (40) for use in either direct or indirect injection compression auto-ignition internal combustion engines which enables such engines to operate using substantially pure commercial grade alcohol and other low cetane fu...  
WO/1982/004462
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 ...  
WO/1981/003048
The synthetic combustion method, intended to achieve a reduced fuel consumption and an enhanced flexibility of compression ignition motors both with regards to the revolutions and load range and the sizing range, provides for the complet...  
WO/1981/002038
Internal combustion engine comprising at least a combustion chamber, a piston (12), a turbulence chamber (17) provided inside the overhead cylinder (13) above the piston (12), and an ignition device (19) leading to the turbulence chamber...  
WO/1980/002724
In stratified charge engines, a gas free of fuel is introduced during a first section time in the lower part of the chamber, rotated towards the piston; in a second time fuel is added to the gas. The purpose is to provide a mixing device...  
WO/1980/000095
In an otto cycle combustion engine the efficiency is increased and the exhaust gas pollution reduced by every working cylinder (2) having a precombustion chamber (23) into which fuel is injected. The volume of the precombustion chamber (...  
JP2014066245
To provide a pre-combustion chamber system capable of performing superior ignition of fuel-air-mixture gas in a pre-combustion chamber even under an operation of theoretical mode of a large volume engine accompanying with substantial rec...  
JP2014066191
To provide a diesel engine capable of easily suppressing the formation of NOX by devising an intake route.The diesel engine includes an intake passage 2 mounted on a cylinder head 1, and an intake port 3 provided in the cylinder head 1, ...  
JP2014062484
To provide a prechamber gas engine such that occurrences of knocking are suppressed.A prechamber gas engine (1) includes a cylinder (2), a cylinder head (4), a piston (6) defining a main combustion chamber (10) with the cylinder head, a ...  
JP2014043775
To provide a combustion chamber structure of a diesel engine capable of improving performance thereof throughout a whole region from low rotation to high rotation.A combustion chamber structure of a diesel engine 10 comprises: a main cha...  

Matches 251 - 300 out of 2,566