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Document Title |
WO/1986/005841A1 |
A rotating piston internal combustion engine with a housing (2), a rotor (3) and a double sleeve shaft (4). An uneven number of piston blades (5-9) is mounted on the rotor (3). In the area between adjacent piston blades, the rotor (3) ha...
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WO/1986/003558A1 |
A rotary piston engine is supplied with high pressure working fluid from an external combustion chamber (not shown). Air is inducted through intake port (16), compressed and delivered via port (17) to the external combustion chamber wher...
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WO/1980/000170A1 |
A positive displacement, constant pressure Brayton cycle engine (40) including a compressor (42), a combustion chamber (46), a motor (44) and means for operating the engine in a substantially constant pressure Brayton cycle including mea...
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WO/1979/001071A1 |
A constant pressure Brayton cycle engine (40) including a combustion chamber (46) and a positive displacement compressor (42) connected by a shaft (41) to an output wheel (44). Gas is fed to the compressor (42), then to the combustion ch...
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JP2024050498A |
The present invention relates to a method of forming a housing (1) for a rotary piston engine, a shell housing (3) and a housing (1) for a rotary piston engine. [Solution] A bush made of hard metal is applied into a shell housing body (3...
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JP2024513091A |
Supply systems for rotary engines and turbines apply fuel and oxidizer under pressure. Rotate. oval, whose outermost peripheral area has a curvature equal to that of the housing, and is driven synchronously by a mesh, gear, interrelated ...
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JP7440834B2 |
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JP2024025672A |
The present invention provides a rotary piston engine that overcomes the drawbacks of the prior art and has good heat dissipation into the cooling medium. A rotary piston engine having a casing 1 and a rotary piston rotating within the c...
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JP2024025673A |
The present invention provides a cooling medium suitable for minimizing heat loads and ensuring efficient heat dissipation. A casing 1 includes a central casing part 11 having a casing wall 110 surrounding a rotating rotary piston, and t...
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JP7435319B2 |
To configure a compact rotary engine with a water pump and an oil pump arranged close to a rotor housing.A rotary engine comprises: a rotor 4; a rotor housing 7; an eccentric shaft 6; an intake passage 13 and an exhaust passage 14 arrang...
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JP7405006B2 |
To suppress two-stage combustion of a rotary engine.In a rotary engine, fuel injection start timing is set within a range from 60° before a bottom dead center of an intake stroke to 60° after the bottom dead center; an injector 21 is a...
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JP2023153565A |
To provide an exhaust structure which can inhibit vibration of an exhaust passage in a rotary piston engine.An exhaust passage is provided with: a first exhaust passage having a shape extending in an anteroposterior direction and commonl...
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JP2023153566A |
To provide an exhaust structure which enables an exhaust passage to be disposed around an engine body compactly and stably in a rotary piston engine.An exhaust passage is provided with: a first exhaust passage fixed to a first outer side...
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JP2023101414A |
To provide a Wankel type engine that prevents leakage of compression gas, leakage of intake gas and contamination of exhaust gas and increases engine output.A multi-apex type Wankel engine includes a plurality of apexes 12, 13 to block r...
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JP2023099984A |
To provide a rotary engine realizing effectiveness without an eccentric loss, in which respective process chambers simultaneously operate and axially rotate.In a rotary engine, a housing is provided, which enlarges a part of an inner rad...
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JP7305930B2 |
To provide a rotary piston engine for improving its thermal efficiency with an advanced combustion gravity center by enabling advanced ignition and a shorter ignition delay period.A predetermined-shape virtual flame is defined, and a rec...
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JP2023078692A |
To improve fuel combustion performance of a rotary engine.A recess 7 of an outer peripheral surface 2a of a rotor 2 is equipped with a first recessed portion 71 that is disposed on an L side as compared with an outer peripheral center C ...
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JP2023078856A |
To improve fuel combustion performance of a rotary engine.A recess 7 of an outer peripheral surface 2a of a rotor 2 is equipped with an L side recessed portion 7a that extends forward in a rotor rotating direction from a center in a long...
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JP2023078693A |
To improve fuel combustion performance of a rotary engine.A recess 7 of an outer peripheral surface 2a of a rotor 2 is equipped with a first recessed portion 71 disposed at an outer peripheral surface center C, and a second recessed port...
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JP2023077047A |
To provide a rotary engine capable of further improving the performance.A rotary engine of the present invention includes a first rotor and a second rotor, which are accommodated in a housing. The first rotor has recesses that form combu...
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JP7228555B2 |
Various embodiments describe modifications to X-engines, which would utilize a dedicated chamber to implement bottoming Rankine cycle as well as additional improvements in sealing and combustion efficiency—all contributing to high effi...
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JP7200794B2 |
The sealing property of a seal structure used in an internal combustion engine is improved. The seal structure is provided with an annular mating surface seal (40). The mating surface seal (40) has self-tensioning force that acts in a di...
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JP7188290B2 |
To improve sealability of a seal structure used in an internal combustion engine.An apex seal 80 is held by a first wall surface member 24b to seal between the wall surface member 24b and a housing. An outer peripheral seal 190 seals bet...
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JP7159662B2 |
Each of recesses 7 in outer circumferential surfaces 2a of rotors 2 includes: a leading-side area 7a extending forward from a longitudinal center of an associated one of the outer circumferential surfaces 2a in a rotation direction of th...
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JP7159934B2 |
To provide an internal combustion engine that can prevent the backflow of gas to a suction pipe.When the combustion chamber A switches from an incommunication state to a communication state with a suction pipe 6, a gas pressure in the co...
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JP7159661B2 |
To provide a rotary piston engine for improving its thermal efficiency with an advanced combustion gravity center by enabling advanced ignition and a shorter ignition delay period.A recess 7 in an outer peripheral face 2a of a rotor 2 in...
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JP7143821B2 |
To improve sealability of a seal structure used in an internal combustion engine.A first piston member 24 is formed with an annular rotor groove 244 where a part of a facing surface 240 facing a second piston member 28 is recessed. A sea...
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JP7130285B2 |
An engine includes a housing and a combustion assembly. The combustion assembly includes an annular bore and a combustion piston assembly disposed within the annular bore. The combustion piston assembly includes a set of pistons, a first...
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JP7078907B2 |
To reduce an abrasion loss.A seal structure includes a circular oil seal 70 disposed at the radial inner side of combustion chambers A to D. A center 70C of the seal member 70 is offset relative to a rotation center axis AX of a first pi...
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JP2022501543A |
The internal combustion engine is equipped with a plurality of engine units (50A to 50C), each of which has a work space (11). In the work space, two rotary pistons (20, 30) mesh with each other and flow into the work space (11). It is a...
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JP6950649B2 |
To improve sealability of a seal structure of an internal combustion engine.A seal structure includes: an annular ring seal 40 which seals an inner periphery part of a combustion chamber; a piston seal 50 which is held by a second wall s...
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JP6796135B2 |
Both shear leakage of oil and pressure leakage due to centrifugal force of oil associated with rotation of a member performing whirling motion are reduced by a surface texture provided on a sliding face of an oil seal member. An oil seal...
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JP6784688B2 |
Various embodiments describe modifications to X-engines, which would utilize a dedicated chamber to implement bottoming Rankine cycle as well as additional improvements in sealing and combustion efficiency—all contributing to high effi...
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JP2020125724A |
To provide a rotary engine which achieves better energy efficiency.A rotary engine 1 of the invention includes: a first housing 10 which houses a rotor 11 therein and suctions and compresses a working gas; at least one second housing 20 ...
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JP6718917B2 |
A rotary engine comprising a housing having a working cavity, a shaft having an eccentric portion, a rotor (2902) having a first axial face, and a second axial face opposite the first axial face, the rotor (2902) disposed on the eccentri...
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JP2020084949A |
To provide an internal combustion engine capable of accelerating cooling of a piston member.A first wall surface member 24b of a first piston member 24 has a hollow part 24e inside. The hollow part 24e opens toward the side opposite to a...
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JP2020063732A |
To solve the problem in which a general internal combustion engine mixes fuel with the air, compresses air-fuel mixture, ignites, uses an expansion force of combustion gas to move a piston and the like, and obtains power, whereas it wast...
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JP2020029858A |
To provide a rotary engine of high efficiency, capable of burning only a gas of a combustion chamber by dividing an operation chamber into a non-combustion chamber and the combustion chamber without disposing a special seal in the Wankel...
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JP2020008016A |
To provide a rotary type internal combustion engine in which an auxiliary combustion chamber is formed in a piston part, and a compression gas introduction mechanism and a combustion gas injection mechanism are provided on a housing side...
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JP6618936B2 |
To provide a cooling structure of a vane type internal combustion engine which achieves good cooling efficiency.A cooling structure of a vane type internal combustion engine includes: a housing 20; a rotor 200 which is incorporated eccen...
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JP6618937B2 |
To provide a supercharged air passage opening/closing structure of a vane-type internal combustion engine capable of improving air intake/exhaust efficiency and reducing costs.A supercharged air passage 23, in which compressed air genera...
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JP6587156B2 |
To provide a rotor structure of a vane type internal combustion engine which enables processing and assembly at low costs.A rotor structure K of a vane type internal combustion engine includes: vanes 20 which may slidably contact with an...
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JP6570080B2 |
To provide a vane pressing structure of a vane type internal combustion engine which can be manufactured at low costs by a simple structure and maintain air tightness in multiple hollow parts.A vane pressing structure of a vane type inte...
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JP6563919B2 |
A fixed-rail rotor pump and fixed-rail rotor pump combined supercharging internal combustion engine are described. In the fixed-rail rotor pump, a rotor shaft runs through a rotor; the rotor is internally tangent to the inner wall of the...
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JP2019100456A |
To provide an elastic oil seal ring suitable to constitute an oil seal member for sealing a gap between a rotor and a side housing in a rotary piston engine, and capable of preventing oil leakage.Elastic oil seal rings 1, 2, which are he...
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JP6531789B2 |
To provide a rotary piston engine system capable of enhancing intake efficiency, and to provide a vehicle mounted therewith.In an engine body 1, there are provided a rotor housing 5 encircling an outer periphery of a rotor, side housings...
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JP2019505730A |
The present invention relates to a rotary engine, in which two rotors (1, 2) are rotatably sealed in a cylinder, a combustion chamber (10) is opened in each of the rotor pistons (9), and the opening of the combustion chamber is a cylinde...
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JP6448612B2 |
A rotatory internal combustion engine includes a power module, a housing configured to retain the power module and including an intake and an exhaust, and a first sleeve including a sleeve intake, a sleeve exhaust, and an injector port. ...
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JP2018178807A |
To avoid that an intake port and an exhaust port communicate with each other in all rotation phase positions of a rotor.A Wankel-type engine is constituted of: a housing having an inside face which is formed so as to have a notch for for...
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JP6416183B2 |
A housing for an engine is provided. The housing includes an intake manifold configured to supply air to at least one chamber defined within the housing, a fuel port configured to supply fuel to the at least one chamber, and a compressio...
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