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JP2022539386A |
The system can be used to determine parameters related to the pistons of the engine. The parameters may be the position, velocity, direction of movement, etc. of the piston. The position, velocity and direction of movement of this piston...
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JP7118300B2 |
A system may be used for determining a parameter relating to a piston in an engine. The parameter may be the piston position, speed, etc., which may be determined at a reference point in a cylinder. The system may be controlled based on ...
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JP2021185315A |
To provide the suitable control of a piston trajectory in a free piston combustion engine.In a variety of embodiments in this disclosure, a free piston combustion engine is set as an object. As explained in this specification, a free pis...
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JPWO2020075742A1 |
The engine (5) includes a piston (12) and has a gas supply unit (10) that supplies combustion gas (71) for driving as the piston reciprocates linearly. The gas supply unit further includes a cylinder (11) in which the piston reciprocates...
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JP6944948B2 |
Various embodiments of the present disclosure are directed towards free-piston combustion engines. As described herein, a method and system are provided for displacing a free-piston assembly to achieve a desired engine performance by rep...
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JP6916816B2 |
An object of the present invention is to provide a method and a system for implementing the method so as to alleviate the disadvantages of a reciprocating combustion engine and gas turbine when generating power. The invention is based on...
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JP6869889B2 |
Various embodiments of the present disclosure are directed towards free-piston combustion engines. As described herein, a driver section may be provided in a free-piston combustion engine for storing energy during an expansion stroke. Th...
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JP6826098B2 |
An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers,...
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JP2021001606A |
To provide a high-efficiency linear combustion engine.According to various embodiments of the present invention, a linear combustion engine includes: a cylinder 105 having a cylinder wall and a pair of ends, and including a combustion se...
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JP6790027B2 |
Various embodiments of the present invention are directed toward a linear combustion engine, comprising: a cylinder having a cylinder wall and a pair of ends, the cylinder including a combustion section disposed in a center portion of th...
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JP6774261B2 |
To provide a centrifugal pendulum movement vibration absorption device which has targeted vibration-proof performance and can also be applied to a multi-freedom vibration system.A centrifugal pendulum movement vibration absorption device...
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JP2020045903A |
To solve a problem that an engine using a piston is required, which is of a type that supplies combustion gas to a turbine or the like as driving force and which can more easily control the timing of supplying the combustion gas and the ...
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JP6630024B2 |
An engine (5) with a gas supply unit (10) that supplies combustion gas for driving purposes with linear reciprocal movement of a piston (12) is provided. The gas supply unit (10) includes a first combustion chamber (31) provided on a fir...
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JP2019534425A |
The present application discloses an engine that operates on the basis of a gypal cycle. The engine has a compressed air source. The combustion chamber communicates with the compressed air source and fuel source. The combustion chamber i...
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JP2019143638A |
To provide a piston arrangement for overcoming restriction on arrangement of a standard crank shaft and a connecting rod-type piston, and an internal combustion engine.A piston arrangement includes a piston head 4 movable inside a cylind...
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JP2019505718A |
Disclosure is an axial piston motor in which fuel and a compressed combustion medium burn continuously in a combustion chamber so that they are transformed into a working fluid and sequentially supplied to a working cylinder. In order to...
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JP2018123798A |
To improve power efficiency of a free piston type generator.A controller 18 is configured to set a first speed command value VexpC in an expansion stroke, and a second speed command value VcmpC in a compression stroke. Also, the controll...
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JP2018123799A |
To improve power efficiency of a free piston type generator.A controller 18 is configured to set a first speed command value VexpC in an expansion stroke, and a second speed command value VcmpC in a compression stroke. Also, the controll...
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JP2018062902A |
To stably operate a free piston engine generator regardless of control, on the basis of a position of a measured top dead center.A free piston engine generator 10 has a piston 16 reciprocated in a cylinder 12. A permanent magnet 18 is di...
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JP2018048645A |
To provide a small engine which achieves good efficiency.An engine 10 having a gas turbine unit 39 and multiple combustion units 80 which supply a combustion gas to the gas turbine unit is provided. In the engine 10, each of the multiple...
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JP6274191B2 |
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JP6224699B2 |
An internal combustion engine comprises an engine block defining a cylinder having a longitudinal axis A. A piston is arranged slidably within the cylinder and an impeller is arranged at one end of the cylinder. The impeller is rotatably...
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JP6223485B2 |
Various embodiments of the present invention are directed toward a linear combustion engine, comprising: a cylinder having a cylinder wall and a pair of ends, the cylinder including a combustion section disposed in a center portion of th...
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JP6152119B2 |
A linear electrical machine comprising a movable piston, an axially segmented cylinder having least one magnetically permeable segment and a bore configured to allow the piston to move within the cylinder, a cylinder housing having a bor...
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JP2017082797A |
To provide a high performance linear combustion engine.A high performance linear combustion engine 100 comprises: a cylinder 105 which has a cylinder wall and a pair of edge sections and includes a combustion compartment 130 arranged at ...
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JP6119219B2 |
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JP6111626B2 |
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JP6071898B2 |
The present invention provides a novel internal combustion engine of the annular piston type and a center shaft for such an engine for further improving the cooling an internal combustion engine of the annular piston type. The internal c...
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JP6068755B2 |
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JP6053789B2 |
A piston for a free piston engine generator, comprising one or more elements arranged coaxially along a piston shaft wherein the length of the piston is at least five times its maximum diameter, wherein at least one of the elements is fo...
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JP2016176406A |
To enable high performance and high output to be attained at a continuous drive internal combustion engine having combustion chambers with pistons inserted into cylinders without any additional preliminary compression device.This inventi...
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JP5971598B2 |
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JP2016098770A |
To solve the problem that when an initial position of a piston is deviated from a stroke center position in motoring of a free piston type dynamo, excessive correction force occurs, and a device may be damaged.A control device 18 gradual...
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JP2015129501A |
To solve the problem in which a conventional premixing and compression ignition type engine generates a loud engine sound, and needs to be switched to another ignition mode to operate for large output and thereby has effects on high effi...
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JP5732472B2 |
A free-piston engine has an engine cylinder and a single piston member. The single piston member has a double-ended piston that moves within the cylinder, and the piston member partitions the cylinder into two separate chambers, each of ...
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JP5724514B2 |
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JP2014224462A |
To compatibly attain the homogenization and ignitability of air-fuel mixture.A control device for an internal combustion engine includes a port-injection fuel injection valve (41) for injecting fuel into an intake port, a cylinder-inject...
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JP5630123B2 |
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JP5604733B2 |
An engine includes first and second pistons, each slidably disposed in a cylinder with a closed end and a converter operable with the piston to convert mechanical energy of each piston from and to electrical energy within a piston cycle.
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JP5589236B2 |
An engine includes first and second pistons, each slidably disposed in a cylinder with a closed end and a converter operable with the piston to convert mechanical energy of each piston from and to electrical energy within a piston cycle.
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JP2014125903A |
To provide a free piston type generator capable of preventing damage even when a piston collides with a cylinder in consideration of that combustion pressure becomes excessive when abnormal combustion of a combustion chamber occurs, and ...
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JP2014118901A |
To solve a problem that when multiple piston rings are attached to a piston, a lubricant easily accumulates in a pocket part sandwiched between the adjacent piston rings.A discharge hole 50 for discharging a lubricant in a pocket part 31...
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JP2014111916A |
To provide a free-piston engine-driven linear power generator that can protect a stator.A free-piston engine-driven linear power generator comprises: a cylindrical stator; a piston 14 incorporating a movable element and linearly reciproc...
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JP5518196B2 |
A piston engine has a housing and a piston. The piston is magnetically and movably disposed in the housing. A device for magnetically supporting the piston is fixedly mounted relative to the housing. A linear machine in conjunction with ...
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JP5447420B2 |
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JP5447419B2 |
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JP5408062B2 |
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JP2013256886A |
To measure a displacement of a piston while suppressing a degradation of sealing performance between the piston and a cylinder.A free piston generator 10 includes a cylinder 12 formed in a cylindrical shape, a piston 14 disposed inside t...
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JP2013543084A |
Various embodiments of the present invention are directed toward a linear combustion engine, comprising: a cylinder having a cylinder wall and a pair of ends, the cylinder including a combustion section disposed in a center portion of th...
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JP5337959B2 |
A four-cycle, four-cylinder, premixed charge compression ignition internal combustion reciprocating free piston engine with a variable piston stroke and a compression ratio that varies as needed to provide charge ignition, to offer the p...
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