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JP2021046803A |
To provide a mechanism which secures a passage route of a soundwave passing through penetration holes, in a heat insulator composed of two pieces of plate materials having the penetration holes which are oppositely arranged.A first heat ...
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JP2021041832A |
To efficiently cool a power generation unit for a range extender vehicle which generates power by a power generation engine.In a cooling structure of a power generation unit for a range extender vehicle, a second cooling passage 68 in wh...
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JP6842835B2 |
Condition based engine parts (14,24,26,28) (e.g., movable engine parts) monitoring is disclosed. The techniques may enable detecting cracks present in engine parts while the engine is operational. In one embodiment, a system (10) include...
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JP2021032177A |
To reduce the weight of a balancer housing and maintain support rigidity of a balance shaft.A balancer housing 15 protects a balance shaft 13 disposed below a crank shaft 12 and includes: a base part 21; a hole part 22 which is provided ...
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JP3230856U |
To provide an assembling type soundproof box for a generator which is easy to assemble and store, is excellent in economy and soundproofing, and is environmentally friendly. The upper surface and the lower surface are released, and the f...
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JP6834726B2 |
To provide a cleaning device of a cylinder block which suppresses occurrence of quality defects.A cleaning device (100) of a cylinder block includes a cleaning nozzle (21) which supplies a cleaning liquid, and a gas jetting mechanism (10...
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JP6834700B2 |
To inhibit an influence of heat on a supercharger and concurrently protect the supercharger.An engine (2) of the invention includes: a supercharger (3) which uses exhaust air as a driving source; an upper radiator (40) which cools coolin...
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JP2021025556A |
To provide a torque control mechanism capable of appropriately suppressing torque vibration, and a vibration reduction device using the torque control mechanism.A torque control mechanism 300 comprises a plurality of periodic reversing s...
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JP2021014196A |
To upgrade the soundproofing of an engine room.An engine room cover 18 is made of a porous material. The engine room cover 18 is disposed so that at least part of the top of the engine room cover near an engine hood 16 blocking an orific...
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JP2021014902A |
To provide a torsional damper capable of being provided in a front cover while maintaining quality.A hub 110 has a cylindrical attached portion 111 to be attached to a crank shaft, an outward flange portion 113 provided at an end portion...
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JP6829098B2 |
To prevent, in a soundproof box comprising a function of an oil retaining wall, a leak oil that is generated inside of the soundproof box from being leaked outside of a machine.A frame 30 that becomes a base of a soundproof box 1 consist...
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JP2021011864A |
To provide an engine having a crankshaft which is suppressed in the enlargement of a member and a deviation of weight balance.An engine comprises: a crank journal which is rotatably supported to a cylinder block around a shaft via a cran...
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JP6826380B2 |
To efficiently reduce noise caused by operation sound of an engine while suppressing increase in the total weight of a vehicle.A rocker cover for covering a valve train provided in a cylinder head of an engine includes a hollow formed in...
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JP6822224B2 |
To provide a multi-cylinder engine unit which achieves down-sizing and, at the same time, improves an assembly property in the multi-cylinder engine unit on which a two-shaft secondary balancer device is mounted.In a four-cycle series fo...
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JP6821177B2 |
According to the present invention, a panel-shaped first metal body (2) comprises a space-forming part (2a) and an overlap part (2b) that is continuous with the space-forming part (2a). A panel-shaped second metal body (4) comprises a sp...
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JP6816049B2 |
To provide an engine drive working machine capable of mounting an intake duct at an opening portion side of a door so that a size and the like of the duct is not restricted by a size of the door, while preventing hindrance in maintenance...
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JP6813411B2 |
An internal combustion engine (23) includes: a crankcase (24) that supports a crankshaft (33) rotatably about a rotational axis (28); a cylinder block (25) connected with the crankcase (24) and including at least one pair of cylinders (4...
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JP6811546B2 |
To improve handling property of a wire harness.In an engine device including an electronic device and a wire harness electrically connected thereto, a plurality of wire harnesses 706, 707, 720, 721, 723 extends along a lateral part of a ...
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JP6813389B2 |
Provided is an internal combustion engine of a vehicle. An upper surface of a head cover supporting plug top coils is covered with an engine cover. A plug top coil cover is fixed to the upper surface of the head cover. Thereby, an upper ...
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JP2020203644A |
To discharge high temperature air in an engine room to the outside regardless of existence of travel wind.A vehicle engine room structure includes a baffle plate 18 formed by a curved part 22 enclosing a turbocharger from the vehicle rea...
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JP2020204296A |
To form an engine having a balancer shaft into a structure suitable for enabling use of common components between the engine and an engine that does not have a balancer shaft.A balancer weight 19 has: an arm part 19a extending from a sid...
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JP6803807B2 |
There is provided a more improved industrial hybrid engine by devising mainly a support structure of an electric motor to enable reasonable support of a heavy and large electric motor. In an industrial hybrid engine, an endless rotary ba...
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JP6803167B2 |
A straddle-type vehicle comprises a radiator through which air flowing from a front flows in a forward and rearward direction of a vehicle body; an engine which generates driving power for allowing the straddle-type vehicle to travel, th...
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JP2020200775A |
To provide an emergency power generator which includes a dike having a simple structure and facilitates processing of a liquid flowing into the dike.In an emergency power generator, a casing which houses an engine and a power generator i...
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JP2020202621A |
To provide an emergency power generator that improves wiring workability and being excellent in cooling performance.An emergency power generator 11 houses an engine generator 16 that starts an engine at a time of power failure of a comme...
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JP6800190B2 |
The concave part includes an open end portion having an inner diameter greater than an outer diameter of a tip end portion of a ball stud, a fitting portion which is connected to the open end portion and has an inlet smaller than the out...
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JP6795644B2 |
[SUBJECT] To provide a swing unit-type power unit that achieves a layout of a detection sensor less susceptible to a reciprocation motion of a piston in detecting a crank angle.[MEANS FOR SOLUTION] The swing-type power unit includes a ce...
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JP6794305B2 |
To provide an actuator for a linkage mechanism for an internal combustion engine that is suppressed in deterioration in sealability between an oil cooler or oil filter and the fixing surface therefor.An actuator for a linkage mechanism f...
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JP6795985B2 |
To provide an auxiliary chamber type gas engine capable of preventing occurrence of knocking caused by local stagnation of flame propagation in a main combustion chamber.An auxiliary chamber type gas engine includes: a main chamber forma...
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JP6794048B2 |
To provide an engine work machine including an oil fence capable of improving a leakage prevention function for oil content scattered from an engine or the like, without requiring a complicated structural change.An oil fence 16 is arrang...
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JP2020190212A |
To determine arrangement of a counter weight so that a pitch direction component contained in a primary inertia couple becomes minimum, and to reduce the weight of the counter weight.In a balance adjustment method of a crankshaft, an amp...
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JP2020190200A |
To timely remove deposits while accurately predicting a deposit accumulation amount in an injection hole of a fuel injection valve.An ECU 20 includes a deposit estimation part 27 for performing processing to estimate a deposit accumulati...
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JP6791746B2 |
An internal combustion engine having a plurality of cylinders comprises a variable compression ratio mechanism A able to change a mechanical compression ratio. The control device comprises a compression ratio detector for detecting a mec...
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JP6790954B2 |
An internal combustion engine includes an engine body, a transmission case, a cover, and an auxiliary device. The transmission case is coupled to the engine body and accommodates a transmission. The cover covers the engine body so that e...
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JP6792279B2 |
To provide a shock absorber and a metal cover mounted with the same, which curb generation of contact noise while stably maintaining excellent vibration control performance.A shock absorber 10A comprises: a collar member 40 which has a c...
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JP2020186703A |
To provide an abnormality diagnosis device of an internal combustion engine capable of detecting occurrence of clogging in an intake-side passage part.An abnormality diagnosis device 50 is applied to an internal combustion engine includi...
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JP6787160B2 |
To provide a vehicle which mounts thereon a power train unit including an engine, capable of effectively suppressing vibration transmitted to a vehicle body.A vehicle 100 comprises: a power train unit 10 including an engine 20; and a mou...
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JP6784068B2 |
To make it possible to easily and properly adjust the state of a bearing supporting a balancer.An engine device includes: a balancer 20 rotatable with driving force transmitted from a crank shaft to suppress the vibration of an engine; a...
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JP2020531729A |
The exhaust plenum chamber with a heat shield coating for opposed piston engines increases exhaust temperature, fuel efficiency and speeds up exhaust post-treatment ignition while reducing heat insulation to the coolant. The exhaust plen...
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JP6781225B2 |
To provide a power unit of a saddle riding-type vehicle capable of effectively preventing mud splash from a front wheel.A power unit 32 includes a crank case 38 rotatably supporting a crank shaft 61, a rotor disposed on the crank shaft 6...
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JP6778492B2 |
To facilitate oil supply work until a capacity of a fuel tank of an engine drive work machine is fulfilled.An engine drive work machine 1 having a fuel tank 20 for supplying fuel to an engine and a battery installed thereon is provided w...
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JP6776369B2 |
There is provided a balancer device for an internal combustion engine that suppresses lubricating oil from failing onto a reduction gear and a pump drive gear provided to drive and rotate an oil pump and thereby suppresses an increase in...
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JP6774559B2 |
A power transmitting device includes a first rotor and a second rotor rotatably disposed coaxially with a rotational central axis and in facing relation to each other. A first pressing protrusion projecting from the first rotor and a sec...
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JP6775535B2 |
Provided is a shield molding blank which has an uneven structure in which an air gap 4 is formed between metal plates 2, 3 formed in overlapping wavy shapes comprising recesses and projections that are periodically continuous in two dire...
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JP6776734B2 |
This internal combustion engine is capable of suppressing a reduction in durability and reliability of an oil control valve while assuring arrangement spaces to be formed on the front and rear sides of the internal combustion engine, and...
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JP6774096B2 |
To provide a convenient mobile washing machine usable even in a place where an electric source cannot be secured, such as a stricken area, a camp site, a plow land, a mountain or a small wharf.In a mobile washing machine including a box ...
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JP6770354B2 |
To provide an air intake duct capable of preventing water droplets such as raindrops from entering a casing.Provided is a guide body 29 mounted inside a casing 10 on a side wall 11 of which a suction port 28 is formed openly, forming a f...
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JP2020165328A |
To provide a belt cover which can block an inspection window by a cover main body and an integrated lid part, and allows the visual confirmation of a belt line in a vertical direction.A belt cover for a vehicle comprises: an inspection w...
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JP6766020B2 |
A structure for attaching a protective member that, from the side, covers a constituent component disposed on the upper part of an engine main body (4), wherein: a fuel tank (20) is provided to the upper surface of the engine main body (...
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JP2020159468A |
To provide an internal combustion engine system which can inhibit occurrence of a predetermined vibration amplitude in a crank shaft, and to provide a vibration prevention structure of the crank shaft.An internal combustion engine system...
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