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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...
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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...
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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...
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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...
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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),...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 (...
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JP2012241523 |
To provide an internal combustion engine that can realize a low fuel consumption, low toxic gas, and comfortableness in high level.An internal combustion engine 1 includes a heat generating chamber 41 provided adjacent to a combustion ch...
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JP2012237249 |
To provide a sub-chamber type gas engine, which is low-cost, and in which a supply amount of fuel gas is accurately controlled.The sub-chamber type gas engine 1 includes: cylinders 2a to 2d; pistons 3 movably housed in the cylinders 2a t...
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JP2012211594 |
To provide an engine that has a degree of freedom in a layout position of an ignition plug, and can almost uniformly disperse flares injected from injection holes.The ignition plug spark-ignites mixed air flowing from a combustion chambe...
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JP2012193747 |
To provide an appropriate and stable combustion state while appropriately preventing blow-by of fuel gas from a sub-chamber to a main chamber with a reasonable structure, in a sub-chamber type engine provided with the main chamber facing...
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JP2012193749 |
To provide an engine combustion chamber structure capable of providing a high thermal efficiency.The structure of the engine combustion chamber comprises a plurality of ignition parts 25 provided in the combustion chamber in such an arra...
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JP2012172553 |
To provide a gas engine capable of analyzing a fuel gas properly and achieving efficient combustion of the fuel gas.The gas engine includes an engine body of auxiliary combustion chamber type, and a gas engine control unit having a fuel ...
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JP2012172657 |
To simply achieve more stable combustion using other parameters without detecting a pressure within an auxiliary combustion chamber.A main-combustion-chamber gas-pressure adjustment valve 48a is provided for a main-combustion-chamber gas...
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JP2012163042 |
To stably perform combustion of in a main combustion chamber irrespective of an operation state and variations among cylinders to secure engine performance and reduce operation costs with reduced use amount of combustion gas, by controll...
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JP2012149654 |
To blow off flames uniformly into a combustion chamber while an air/fuel mixture in the combustion chamber can be sufficiently supplied to an ignition point, while enabling stable spark ignition of the air/fuel mixture.An ignition plug 1...
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JP2012149655 |
To blow off flames uniformly into a combustion chamber while an air/fuel mixture in the combustion chamber can be sufficiently supplied to an ignition point, while enabling stable spark ignition of the air/fuel mixture.An ignition plug 1...
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JP2012137083 |
To restrain deterioration in combustion performance by maintaining stable combustion in a main combustion chamber, in an auxiliary chamber-type gas engine having the main combustion chamber and an auxiliary combustion chamber.This gas en...
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JP2012112289 |
To provide an auxiliary chamber type gas engine capable of imparting vibration to a check valve by a small structure.The auxiliary chamber type gas engine 1 includes a main combustion chamber, an auxiliary combustion chamber 3 communicat...
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JP2012097656 |
To provide an internal combustion engine including a moving member for moving in response to pressure of a combustion chamber, and restraining noise generated in response to the movement of the moving member.This internal combustion engi...
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JP2012052484 |
To provide an internal combustion engine that a variable volume device having a cylindrical part and a moving member which moves in the cylindrical part, and estimates an amount of a lubricant arranged in the variable volume device.The i...
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JP2012047050 |
To provide an auxiliary chamber type gas engine capable of reducing backflow of unburned gas from a main combustion chamber to an auxiliary chamber with a simple structure.The auxiliary chamber type gas engine includes a piston 6 movably...
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JP2012047115 |
To provide an auxiliary chamber type gas engine, in which an auxiliary chamber is hardly super-cooled on starting the engine and a plug holder is easily cooled during a high-load period of the engine.The auxiliary chamber type gas engine...
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JP2012047144 |
To provide a sub-chamber type gas engine for obtaining an effect of suppressing supercooling of a sub-chamber to promote combustion reaction and an effect of suppressing temperature rise of a sub-chamber member and an ignition plug durin...
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JP2012038524 |
To prevent a preignition thereby prevent damage of an engine.An ignition plug comprises: a plug body 13 having a center electrode 11 and an earth electrode 12; and a plug cover 14 provided on the plug body 13 so as to cover the center el...
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JP2012036796 |
To provide a method of operating an engine by which an air-fuel mixture in an ignition chamber is properly ignited and the occurrence of pre-ignition is prevented regardless of the engine load being high or low.An ignition plug 12 in whi...
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JP2012036904 |
To provide a technology for an engine in which an air-fuel mixture flowing into an ignition chamber from a combustion chamber through a nozzle hole is spark-ignited at an ignition point by an ignition plug, which is achieved in the sure ...
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JP2012026403 |
To provide a diesel engine that can reduce an NOx exhaust amount without causing an increase of a part cost and the enlargement of an engine size.In the diesel engine having a sub-combustion chamber communicating to a main combustion cha...
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JP2012017695 |
To prevent deterioration in fuel economy by suppressing sucking of a fuel gas supplied to a sub chamber into a main chamber in an unburned state.A control device 30 uses pressure difference between a sub chamber pressure and a fuel passa...
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JP2011252411 |
To provide a diesel engine in which ignition is possible reliably while suppressing the exhaust amount of carbon dioxide.The diesel engine 1 includes: a first gas fuel injection valve 50 for injecting gas fuel into a cylinder chamber CC;...
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JP2011236789 |
To reduce the number of parts while maintaining responsiveness and control accuracy in an auxiliary chamber type gas engine provided with an auxiliary chamber connected to a combustion chamber (main chamber).In the auxiliary chamber type...
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JP2011231622 |
To provide an engine working machine whose startability is improved by a simple operation without excessively increasing the weight.A start ignition unit 10 which has fuel enclosed therein and has an igniter is equipped in a storage part...
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JP2011226404 |
To improve ignitability of an ignition device igniting air fuel mixture including an oxidant and fuel.The ignition device includes: a heating element 1 having a heat generating region 1a located at a tip protruded from an installation pa...
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JP2011214492 |
To provide a sub-chamber type ignition plug capable of making spark ignition stable and producing it satisfactorily, as a sub-chamber type ignition plug which is provided with an ignition chamber including a central electrode and a groun...
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JP2011214531 |
To prevent fuel droplet from staying in an auxiliary chamber, while compactly-arranging an auxiliary chamber and an auxiliary port at positions where interference with other members is avoided, in an internal combustion engine with auxil...
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JP2011208499 |
To provide an engine with a prechamber type ignition plug which can be quickly and stably started even during the startup.This engine with an ignition plug at the distal end of which an ignition chamber is formed includes a heating means...
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JP2011196268 |
To allow checking of a clearance (discharge gap) between a central electrode and a ground electrode from outside and properly perform work of checking whether or not the discharge gap is increased and adjustment work of adjusting the dis...
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