Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 951 - 1,000 out of 10,866

Document Document Title
WO/1994/021904A1
An engine is described having a combustion chamber with one or more intake ports and an injector for directing a spray or jet of fuel directly into the combustion chamber. The injector (60) is arranged in an injector chamber (54) distinc...  
WO/1994/015088A1
Piston with a reinforcing insert, presenting a top face (11) with a recessed combustion chamber (12) provided with a lateral peripheral wall, defined by the annular insert (20), which presents an internal end face (24) with a radial exte...  
WO/1994/002721A1
A small bore internal combustion engine having a four-stroke operating cycle which is adapted to function with natural gas and other gaseous fuels and which is particularly useful with residential heat pump assemblies with maximum life e...  
WO/1994/001666A1
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/1993/025803A1
A method for engine retardation with a multi-cylinder combustion engine, which for each cylinder with matching piston has an exhaust valve for control of the connection between a combustion chamber (4) in the cylinder and an exhaust syst...  
WO/1993/025812A1
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/1993/022549A1
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/1993/022545A1
The invention relates to a two-stroke internal combustion engine, which comprises a cylinder (2) exhibiting an internal cavity (2') of substantially cylindrical shape, a reciprocating piston (3) accomodated slidably and coaxially within ...  
WO/1993/011353A1
The design and construction of past piston assemblies having a wrist pin bolted to a connecting rod have excessive weight and structural components, and requires more complex machining techniques and tooling. The present invention overco...  
WO/1993/009337A1
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/1993/006348A1
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/1993/005287A1
Multiple intake valves operatively associated in a common combustion chamber are advantageous in that the design achieves high output for an internal combustion engine. The subject modified cylinder head utilizes the advantages available...  
WO/1993/001406A1
The invention comprises a method and an associated device for conditioning in a combustion engine a flow of gas containing the components fuel and oxygen, such as an air-containing mixture, by placing in the flow of fuel, the flow of oxy...  
WO/1993/000504A1
A direct injection type compression ignition internal combustion engine in which a collision surface (13) is formed in a cavity (7) formed in turn in the top surface of a piston (2), and in which fuel is injected from a fuel injection va...  
WO/1992/019852A1
A cylinder head, more preferably a piston (10), of an internal combustion engine is provided on its compression face (18) with a substantially central bowl (16) and a plurality of discrete squish jet channels (12) circumferentially space...  
WO/1992/013190A1
A compression ignition engine has a piston (20) reciprocable within a cylinder (11), the cylinder having an end wall (12) in which is mounted a fuel injection nozzle (13). The nozzle is mounted in the end wall at a position offset from t...  
WO/1992/009792A1
The invention relates to an internal combustion engine with compressor function. One or more of the cylinders of the engine has an extra exhaust valve (11, 12) in the cylinder head. The engine has a fuel injection system with electric un...  
WO/1992/005355A1
A light-alloy plunger piston for spark-ignition engines intended to be lightweight, low-noise, low-friction engines, with the characteristics in which,: D = piston diameter; KH = compression height; M = depth of combustion cavity; d¿M? ...  
WO/1992/001860A1
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/1991/019084A1
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/1991/019085A1
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/1991/019083A1
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/1991/014086A1
A combustion engine (1) of the piston engine type where the static compression ratio exceeds approximately 15:1, especially in the range of from approximately 15:1 to approximately 20:1, preferably approximately 17:1. The engine is provi...  
WO/1991/012419A1
In an engine with Diesel-type compression ignition, the exhaust valve(s) (10) are designed so that the flow is directed past at least the major part of its/their periphery, the piston (3) co-operates with the top of the cylinder head (6)...  
WO/1991/010825A1
The invention relates to a piston with swirl-inducing device for Diesel engines, where a recess is machined in the upper part of the piston which is in communication with the engine's main combustion chamber when the piston is built-in. ...  
WO/1991/005156A1
A piston of the diesel engine, which is provided with a combustion room located in a position deviated from the center of the piston and an annular shaker hole for forced oil cooling, and is sufficiently cooled at the top thereof where t...  
WO/1991/001437A1
An internal combustion engine of the valve-in-head type having a low profile cylinder head (11) which requires minimal head-room in the engine compartment of an automotive vehicle. The cylinder head (11) has a rectilinear configuration w...  
WO/1991/000422A1
An internal combustion engine, preferably a two stroke engine, having a cylinder head (12) at one end of the cylinder (5), a piston (6) mounted for reciprocation in the cylinder (5), a cavity (13) in the cylinder head (12) and a fuel inj...  
WO/1990/014515A1
The design and construction of past articulated pistons has failed to include the most efficient cooling reservoir for conducting heat from the piston to the coolant. The present invention overcomes these problems by using an annular coo...  
WO/1990/009519A1
A piston for an engine is provided with a reaction chamber (44) communicating with a recessed area (42) of the piston through a restricted continuous slot orifice (46). The fuel undergoes a controlled, cold flame reaction process while i...  
WO/1990/004713A1
Present day diesel engines having aluminum piston assemblies are limited to combustion chamber pressures of approximately 12,410 kPa (1,800 psi) whereas the desire is to increase such pressures up to the 15,170 kPa (2,200 psi) range. To ...  
WO/1990/004094A1
A cooled two-piece trunk piston for internal combustion engines has a cast or pressed upper part that contains the piston ring groove and the piston pin hub, as well as a rod hingedly connected to the upper part exclusively by means of a...  
WO/1990/000222A1
A two-cycle internal combustion engine provided with a mask wall (8a, 40b), which is formed between a suction valve (6) and an exhaust valve (7) which are arranged above an inner surface (3a) of a cylinder head, and which is adapted to c...  
WO/1989/004916A1
In order to convert four-stroke internal combustion engines previously cooled by water or air to the latest state of the art of oil cooling, a cylinder head transformation kit closes the openings in a cylinder head for the passage of coo...  
WO/1989/003520A1
A cylinder head gasket is described which also serves as an electrode of an ionisation sensor. The gasket (16) has an electrically conductive surface portion (16c) which is electrically insulated from the cylinder head (14) and from the ...  
WO/1988/009430A1
A combustion promoter for internal combustion engines, which is formed as follows. A minor cylinder and a minor piston (7) fitted therein are provided on the inner wall of a suitable portion of a combustion chamber-surrounding member, i....  
WO/1988/008926A1
The present invention relates to an arrangement in combustion chamber surfaces of an internal combustion engine, these surfaces exhibiting at least partially a thin surface layer (2) which will influence the octane/cetane rating requirem...  
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/1988/002813A1
In a piston comprising a trough-shaped combustion chamber of axially symmetric design, it is proposed to provide a recess in said chamber in the floor of the piston. In view of its depth and width, this recess has an influence on the aer...  
WO/1988/001683A1
In order to reduce smoke emission from diesel engines it is necessary that the necessary mixing of air and gasified fuel is completed prior to the main combustion. Furthermore, the emission of noise is also minimized by the fact that the...  
WO/1988/001017A1
Certain steps are proposed to prevent the edges of support bearings incorporated in the piston head of a twofold piston to be subjected to pressure against the piston pin. This is obtained by using side walls and by cooling these side wa...  
WO/1988/000280A1
An internal combustion engine (10) includes a moving piston (28) within a combustion chamber that is temporarily divided into two zones (A, B) when the piston (28) is at and near its minimum volume position. Fuel is confined to a first z...  
WO/1987/007678A1
Conventional direct-injection internal combustion engines having a fuel injector with multiple fuel spray orifices will not completely ignite and burn relatively lower-cetane-number alternative fuels such as 100 percent methanol or ethan...  
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/1987/003930A1
The internal combustion engine forms squeeze gaps (25) between the pistons (2) and the cylinder head (5) and is provided in addition with deflection means (4, 20) in the combustion chamber (8) which produce a rotary flow in the combustio...  
WO/1987/003338A1
A method and apparatus for disposing of toxic waste materials by combustion in a modified piston type internal combustion engine (7). The engine (7) contains a combustion chamber which is divided into a variable volume primary chamber (3...  
WO/1987/002415A1
Process for feeding a layered charge into spark ignition engines in which a rich gas mixture is used in the region of the ignition plug (5) and a linear mixture is used elsewhere. The rich mixture is fed at pressure to the ignition plug ...  

Matches 951 - 1,000 out of 10,866