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Patent Searching and Data


Matches 301 - 350 out of 6,903

Document Document Title
WO/1989/003474A1
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/1988/006231A1
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/1988/001339A1
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/1988/001338A1
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/1988/000281A1
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/1987/005358A1
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/1987/004494A1
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/1987/004493A1
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/1987/004492A1
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/1987/004491A1
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/1987/001523A1
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/1986/000664A1
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/1985/002884A1
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/1985/001318A1
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/1985/000410A1
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/1984/004800A1
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/1984/002745A1
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/1984/001407A1
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/1984/000994A1
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/1983/000530A1
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/1983/000529A1
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/1982/004465A1
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/1982/004462A1
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 ...  
WO/1981/003048A1
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/1981/002038A1
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/1980/002724A1
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/1980/000095A1
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 (...  
JP2014181613A
To provide a subsidiary fuel supply device for a subsidiary chamber gas internal combustion engine, for actualizing fuel cost saving and stable combustion by reducing the flow of fuel gas into a subsidiary chamber in an exhaust stroke an...  
JP2014525546A  
JP5585300B2  
JP2014163293A
To provide an auxiliary chamber type gas engine and an operation control method thereof capable of improving a flame propagation combustion efficiency and low emission even in a lean mixture.In the auxiliary chamber type gas engine, a la...  
JP2014522941A  
JP2014159791A
To provide a gas engine system capable of improving the responsiveness to a change of a load.The gas engine system includes a gas engine body 11 for combusting mixed gas of air and fuel gas supplied to a main combustion chamber 15, a mix...  
JP2014159778A
To improve ignitability of an ignition plug.An ignition plug has at least a pair of electrodes to generate spark discharge. The ignition plug has a center axis, and is provided with a plug cover having a space at a tip side in the center...  
JP2014159792A
To provide a gas engine system capable of being smoothly started without causing a reduction in the thermal efficiency.The gas engine system includes a gas engine body 11 for igniting sub-chamber gas supplied into a sub chamber 16 and in...  
JP2014521005A  
JP5561957B2  
JP5562927B2  
JP5564538B2  
JP5555030B2  
JP5555090B2  
JP5551918B2  
JP2014129788A
To provide a precombustion chamber type gas engine where combustion stability of an engine is enhanced by increasing flow velocity of combustion flame injected from an injection hole so as to sufficiently combust lean mixture air inside ...  
JP5543540B2  
JP5537323B2  
JP2014114801A
To provide an ignition type engine materially reducing a possibility of occurrence of misfire and knocking and allowing more stable combustion by causing a mixture sucked into a combustion chamber to be simultaneously and multiply ignite...  
JP5527119B2  
JP2014101824A
To improve combustion efficiency by increasing an average maximum cylinder internal pressure by suppressing intensity of flame generated in a sub-chamber, and fluctuation in every cycle, of combustion in a main combustion chamber by the ...  
JP2014098309A
To improve an efficiency of an engine at the time of its low load operation or high-speed rotation.A sliding valve main body 6 is arranged within a sub-cylinder 2, and a maximum cavity 7 is arranged within the sliding valve main body 6. ...  
JP2014092039A
To provide a method of controlling an auxiliary chamber type gas engine, by which a fuel gas supply amount to an auxiliary chamber can be controlled by directly predicting an excess air ratio of a main combustion chamber based on a signa...  

Matches 301 - 350 out of 6,903