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WO/1998/029645A1 |
The invention concerns a method for recuperating thermal energy in the oxidant air generated by an oxidant air compressor (2) of an internal combustion engine (6), which consists in taking thermal energy using a heat exchanger (4) in whi...
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WO/1998/025012A1 |
A water cooled, compression ignition engine (1) running on a low cetane fuel comprising a turbocharger (7), an air to air aftercooler (15) and an intake air manifold (3) for supplying compressed combustion air to the engine (1), a heated...
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WO/1998/016727A1 |
An engine cooling apparatus which comprises an intercooler (3) for precooling a combustion air for an engine (1), an oil cooler (4) for cooling a working oil for a hydraulic excavator, a radiator (5) for cooling a cooling water for the e...
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WO/1998/011335A2 |
An internal combustion engine cooling system (10) incorporating a motor-assisted turbofan is disclosed. The turbine-driven fan (11) is increased in rotational speed by energizing a motor (30) attached to the turbine fan shaft from an out...
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WO/1998/011336A1 |
A structure in which an input shaft constituting a member for connecting a cylindrical switching valve and a rotary mechanism together, and the cylindrical switching valve are brought into contact with each other via a ball-like member. ...
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WO/1998/003050A2 |
The present invention pertains to the field of two-strokes internal combustion engines with slot-type blow-off. At the beginning of the outlet stroke, the exhaust gases are expelled from the engine cylinder (4) through inlet/outlet windo...
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WO/1998/002651A1 |
The present invention relates to the operation processes of two-stroke engines. A two-stroke engine uses a slide valve (10) so that the inlet-outlet channel (9) connected to the exhaust manifold (18) may be connected to the inlet pipe af...
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WO/1998/002653A1 |
The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines (100) for carrying out the method. In its preferred embodiments, the ...
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WO/1997/048897A1 |
Fuel-air mixture apparatus (1) has a body (2) adapted for connection via a flange (3) to an air cleaner housing (3') and to an engine inlet manifold (4'). In the body (2) is arranged a primary air passage (5) having an inlet (6), an adju...
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WO/1997/041346A1 |
The invention relates to a device for the supply of additional air in a combustion engine (1) equipped with at least one cylinder (3), comprising an inlet (11, 23) for the addition of ordinary air to said cylinder (3), a tank (15) for st...
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WO/1997/040270A1 |
Turbocharged internal combustion engine with exhaust return via a valve (7) on the intake side (5) of the turbocompressor unit (2) to the engine intake side. The turbine (3) and the compressor (4) of the turbocompressor unit are adapted ...
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WO/1997/036102A1 |
The invention relates to a method and an intake system for filtering of intake air for an internal combustion engine (2), in which the intake aire is first made to pass a first filter (5) for filtering of the intake air, whereafter the i...
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WO/1997/013968A1 |
A multi-engine plant with a common freshwater cooling system comprises turbocharged diesel engines (1) which in their coolant system are provided with a charging air cooler (11), a high-temperature circuit (HT) and a low-temperature circ...
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WO/1997/013967A1 |
An internal combustion engine is described comprising a cylinder having an intake port (14), and two manifolds (24, 34) having branches (22, 32) that are configured to supply two gas streams to the intake port (14) of each cylinder. The ...
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WO/1997/009521A1 |
A suction device for a crank chamber supercharged engine (1) in which suction air pressurized by a supercharger mechanism is supplied into a combustion chamber, the suction device being constructed such that the supercharger mechanism an...
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WO/1997/009578A2 |
A multi-stage method and apparatus for cooling the inlet air of internal combustion engine and gas turbine prime movers associated with various load applications comprising: a multi-stage refrigerated cooling system (10) associated with ...
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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/1996/037693A1 |
A method is described for varying the engine load while maintaining optimum charge stratification in a stratified charge engine. In the invention, at least under low and part load conditions, the intake streams (22, 32) supplying the str...
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WO/1996/016260A1 |
The invention concerns an arrangement comprising an inlet manifold (2) for an internal combustion engine (1). The arrangement comprises an element (3) formed with flow ducts. It is formed with two coupling device halves (4a, 5a) which co...
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WO/1996/010688A1 |
An internal combustion engine is described comprising a cylinder having an intake valve (14), and two manifolds having branches (22, 32) that are configured to supply two gas streams to the intake valve of each cylinder. The two streams ...
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WO/1996/004471A1 |
A combustion engine having a combustion chamber (16) with a side port (34) in a sidewall thereof interconnecting the combustion chamber with a side manifold (32). The side port is positioned between about 25 % and about 75 % of the strok...
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WO/1996/002744A1 |
The proposed two-stroke internal combustion engine comprises a cylinder with a piston and an aperture to accommodate the intake valve through which the fuel/air mixture passes from the intake manifold into the suction chamber. The suctio...
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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/1995/030083A1 |
A natural gas fueled internal combustion engine (66) which is operated at a slower than normal speed with load so as to enhance fuel burning conditions. By slowing engine speed with load substantially below conventional levels but at a l...
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WO/1995/028557A1 |
To improve a process for increasing the torque of an internal combustion engine (10) that burns a fuel with an oxidizing agent and that has at least one cylinder (12) and an intake system (42), where the mass flow of the gaseous oxidizin...
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WO/1995/022688A1 |
A device is described for delivering mixture or air to at least one cylinder of an internal combustion engine. The device comprises at least one delivery duct (10) opening out into the cylinder (12) and a controllable arrangement (16) fo...
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WO/1995/022687A1 |
An intake manifold system (10) is described for a multi-cylinder four stroke spark-ignition internal combustion engine (12). Each cylinder has at least one intake port (20), each intake port (20) being connected at one end to the combust...
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WO/1995/014853A1 |
A method wherein a number of cylinders (2, 3; 1, 4) are combined on a single exhaust manifold (8, 10) such that the pressure in the exhaust manifold (1e....4e) undergoes substantial time-dependent amplitude fluctuations, and an exhaust v...
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WO/1995/012061A1 |
An aftercooler mounting and sealing system for use with an internal combustion engine is disclosed including an intake manifold (14), a distribution manifold (16) disposed downstream of the intake manifold (14), and an aftercooler (12) c...
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WO/1995/008704A1 |
The invention relates to a supercharged internal combustion engine, preferably a diesel engine, provided with a series connection of a compressor (9) of screw rotor type and a turbo compressor (5). The screw rotor compressor (9) is conne...
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WO/1995/005533A1 |
There is described a method of operating an internal combustion engine in four-stroke cycle comprising the steps of reducing the pressure within the combustion chamber (34) during a first part of the induction stroke and admitting fuel i...
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WO/1994/029579A1 |
A supercharged internal combustion engine (1), such as a main engine of a ship, has a compressor (9) delivering charging and scavenging air to the engine cylinders, and a cooler (12) for cooling the air from the compressor. The cooler (1...
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WO/1994/015081A1 |
An intake apparatus promoting of the automobile is composed to make the intake and exhaustion efficiency more preferable by taking in plenty of air using the rotation power of a generator. A cooling fan and a rotator is installed at the ...
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WO/1994/012780A1 |
A device in an internal combustion engine (10) provided with a supercharger air cooler and arranged in a vehicle equipped with an air-conditioning system, is disclosed. The supercharger air cooler (2) is so arranged in the vehicle that a...
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WO/1994/010433A1 |
An intercooler apparatus (C) for a supercharged control combustion engine comprises a heat exchanger (19) through which charged air for combustion passes prior to entry into a combustion chamber (17) of the engine, and means (20) to prov...
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WO/1994/007010A1 |
Exhaust flow system for a split exhaust flow in a multi-cylinder internal combustion engine (3) fitted with an exhaust-driven supercharger (2) of the turbocompressor type, whose exhaust system incorporates a catalytic exhaust cleaner (58...
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WO/1994/004802A1 |
The description relates to device for increasing the fresh gas filling ratio during the induction stroke of an internal combustion engine having a by-pass pipe (4) which interconnects the inlet pipe (2) of a combustion chamber (1) with t...
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WO/1994/001663A1 |
A two-stroke internal combustion engine cylinder feeding device and method, wherein said cylinder comprises a fresh gas feed duct acting as a seat for counter-scavenging by the exhaust gas. Penetration of counter-scavenging exhaust gas i...
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WO/1993/024748A1 |
One way of reducing nitrogen oxide (NOx) emissions from an engine (10) having a plurality of combustion chambers (44) is through exhaust gas recirculation. The present invention provides an apparatus (11) for exhaust gas recirculation by...
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WO/1993/016276A1 |
A method of operating an automotive type internal combustion engine to improve the efficiency and power, fuel economy, and emission control is obtained by phase shifting of both the intake and exhaust valve timing schedules or events, co...
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WO/1993/014306A1 |
In a process for running an internal combustion engine, especially a marine diesel engine, compressed air is taken to the cylinders by an exhaust gas turbo-charger (1). Said air is cooled before its introduction into the cylinders. Part ...
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WO/1993/009338A1 |
An air intake amount increasing device in an internal combustion engine according to the present invention is constructed such that a compressed air introduction path and an auxiliary introduction path for introducing compressed air are ...
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WO/1992/019851A2 |
Various techniques are disclosed for improving airtight two-phase heat-transfer systems employing a heat-transfer fluid to transfer heat from a heat source to a heat sink while circulating - usually with the assistance of a pump - around...
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WO/1992/019853A1 |
A suction control valve providing little leakage of suction air, capable of controlling the volume of suction air highly accurately, and easily mountable to a suction manifold. The suction control valve of the suction control device acco...
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WO/1992/001145A1 |
A combustion air induction system for an internal combustion engine equipped with a turbocharger to provide charge air to the engine includes a pair of heat exchangers arranged in series in the conduit communicating the charge air outlet...
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WO/1991/019947A1 |
A method is presented for the transfer of heat from a low to a higher temperature, in that the main medium in gas form is heated and compressed, after which this main medium is conducted to a first heating chamber (1) where heat at low t...
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WO/1991/019889A1 |
The invention relates to an internal combustion engine having, a working cylinder (6), means for supplying gas under pressure (8), means for supplying a gas and fuel mixture (8, 9, 34) exhaust valve means (28) and inlet valve means (1, 2...
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WO/1991/019086A1 |
The invention concerns an aspiration system for single-stage- or two-stage-supercharged internal-combustion engines (1). The aspiration system is designed to be used, with the minimum of modifications, both with single-stage and with two...
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WO/1991/014084A1 |
A device for cooling a supercharged marine diesel engine with seawater, in which sufficient power can be outputted and fuel can effectively be cooled by a fuel cooler even when the engine is sharply accelerated after warming-up or is run...
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WO/1991/010817A1 |
Exhaust system for internal combustion engines whose purpose is to take advantage of the energy normally wasted by the engine, in order to create vacuum inside the pipes (1) at the moment the exhaust valve opens. Vacuum which will suck o...
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