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JP6819507B2 |
To efficiently discharge internal heat of a muffler cover while suppressing entry of a foreign matter into the muffler cover.A chain saw 1 includes: an engine as a power source; a muffler 12 through which an exhaust gas discharged from t...
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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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JP6813391B2 |
To provide a belt interlock mechanism which achieves high slip prevention performance.An internal combustion engine includes a crank pulley 7. An ISG 8 is disposed at one side across a cylinder bore axis 16. An auto tensioner 18 for adju...
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JP6806260B2 |
The present disclosure aims to improve circulation of intake air and distribution of bypass intake air to cylinders, while reducing an increase in the overall height of an engine. A supercharger 3 extends along a cylinder bank at a side ...
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JP6809106B2 |
To achieve compactification of a dimension of an engine in a vehicle width direction and simplification of a structure.A starter mechanism of a saddle-riding type vehicle includes: a starter motor (221) which applies a rotative force to ...
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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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JP6798355B2 |
To provide an internal combustion engine which can be reduced in weight while securing a capacity of a breather chamber even when an oil passage and the breather chamber for piston jet are provided on an upper crank case.An internal comb...
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JP2020193709A |
To provide a sealed tensioner without an unwanted loss in an engine.A sealed tensioner 100 includes: a body 106 having a high-pressure chamber 104; a low-pressure reservoir 112 that is in fluid communication with the high-pressure chambe...
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JP6795427B2 |
To achieve compactification of a power transmission mechanism of auxiliary machines.An internal combustion engine includes a crank pulley 7. An ISG 8 and a water pump 9 are disposed at one side across a cylinder bore axis 16, and a compr...
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JP2020190238A |
To improve power generation efficiency of a thermoelectric generation device without deteriorating appearance of a vehicle.A thermoelectric generation system comprises an exhaust pipe (24) connected to an engine, a muffler (25) connected...
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JP6788426B2 |
To accurately determine abnormality of a belt in a short time period.A vehicle control unit includes an engine, an ISG connected to an output shaft of the engine through an endless member, a stop auxiliary section for generating torque i...
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JP6787830B2 |
An internal combustion engine includes a crankshaft that has a journal linked to a bearing and is rotatably supported on the crankcase, a power transmission gear fixed to an extremity of the crankshaft that has a smaller diameter than a ...
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JP6785814B2 |
To suppress generation of noise in a meshing part of a gear.An engine includes a cam gear 21, a thrust metal 25, a crank gear 22, and an idle gear 23. At the cam gear 21, a first oil groove 61 facing the radial direction is formed. The t...
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JP2020531733A |
The exhaust manifold assembly with a thermal barrier coating for opposed-piston engines increases exhaust temperature, fuel efficiency and speeds up exhaust post-treatment ignition while reducing thermal barrier to coolant. The exhaust m...
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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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JP6780436B2 |
To secure support rigidity of an auxiliary machine and prevent or inhibit water coverage of the auxiliary machine etc.An auxiliary machine support structure of an engine supports an alternator 45 serving as an auxiliary machine to which ...
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JP2020176672A |
To provide a hydraulic tensioner device that can restrain pulsation.A hydraulic tensioner device comprises: an engine 1 comprising a crankshaft 7 and camshafts 8 and 9; an endless timing chain 14 wound from the crankshaft 7 to the camsha...
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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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JP6773593B2 |
A first leak gap (31) is provided between sliding surfaces of a rod (14) and a plunger (28), and a second leak gap (32) having great flow channel resistance is provided between sliding surfaces of the plunger (28) and a valve sleeve (13)...
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JP6772863B2 |
To provide a body structure of a motorcycle making it possible to readily perform maintenance work on a cylinder head with an engine mounted on a body frame.In a motorcycle, a four-cycle engine 20 is mounted on a body frame 10 including ...
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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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JP2020159387A |
To effectively reduce a deviation of belt tension acting on a drive pulley from a belt which is wound to a plurality of driven pulleys.An adjusting structure of belt tension comprises: an adjusting pulley 72; an adjusting belt B3 wound t...
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JP6760473B2 |
To provide a cover structure of an internal combustion engine capable of reducing a weight and securing sufficient sealing performance of an oil seal and a gasket.A cover structure of an internal combustion engine includes a resin cover ...
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JP2020148132A |
To reduce an amount of protrusion of a tensioner from an engine while restraining an increase in size of the engine.A first shaft includes a first screw part, and is at least partially arranged in a first housing part. A second shaft is ...
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JP2020148215A |
To generate appropriate thrust just after an engine starts.A chain tensioner includes a cylindrical cylinder 9 with one end opened and the other end closed, a cylindrical plunger 10 supported slidably in an axial direction on the inner p...
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JP6754603B2 |
To resolve some defaults that each of an intake valve and an exhaust valve communicated with a volume space of a main combustion chamber is arranged in side by side out of a cylinder to intake or exhaust mixture gas and the volume space ...
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JP6756781B2 |
To provide an engine which can increase a ratio of an oil pan to an entire part.An engine 31 includes: a crank case 33 which is divided into upper and lower bodies at a divided surface 47 defined on a horizontal surface Dp; an oil pan 51...
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JP6756782B2 |
An internal combustion engine includes a reduction gear including: at one end thereof, a small-diameter gear in mesh with a one-way clutch gear; and at an opposite end thereof, a large-diameter gear in mesh with a drive gear of a starter...
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JP6756765B2 |
To prevent a drain pipe from hindering attachment/detachment operation of at least an oil filter and a drain plug to make maintenance work easy in a saddle-riding type vehicle in which a fan cover covering a cooling fan for cooling an en...
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JP2020133902A |
To provide a tensioner structure that accommodates internal volume changes in a sealed tensioner.An embodiment includes a body 12, a piston 14, a check valve 16, a low pressure reservoir 56, a high pressure chamber 58, and a closed cell ...
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JP2020133564A |
To make compatible both the heat radiation and the sound insulation of an exhaust manifold.This sound insulation device of a V-bank type engine includes a cylinder block including two banks in which cylinders are arranged in a V-shape in...
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JP6747082B2 |
To provide a movable power source car in which a dimension of a housing in a cross direction is reduced, while maintaining a power generation capacity of two sets of power generators in the housing.On a front area 4A of a housing 4 of a ...
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JP6747840B2 |
In a vehicle power unit having an internal combustion engine, a pair of power transmission gears for transmitting rotation of a crank shaft to a balancer shaft is arranged between a crankcase and a crankcase cover, and a fluid pump is pr...
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JP6745946B2 |
A tensioner for tensioning a chain span which uses two pistons. The movement of the two pistons may be coupled together. The first piston provides damping to the chain span and a second piston provides variable, dominant and automaticall...
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JP2020122485A |
To reduce contact of foreign matters to a starter.In an engine device which includes a flywheel that rotates integrally with a crankshaft 5 arranged on one side of a cylinder block 6, and a starter 20 that transmits rotational force to t...
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JP2020122417A |
To provide a structure which is simple, and excellent in safety, related to the lubrication structure between a crank sprocket and a timing chain.An oil injection port 17 for injecting oil toward an end face 12a of a crank sprocket 12 is...
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JP2020122415A |
To prevent operation failure of an intake valve caused by blowing-in of air-fuel mixture into an intake port, in an Atkinson cycle engine in which an expansion ratio is made to be larger than a compression ratio by opening the intake val...
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JP2020122440A |
To provide an outboard engine that has excellent exhaust efficiency while having a built-in catalyst device and that can be constituted in a small size.An outboard engine (10) comprises a V-type engine (20) that has a left bank (BL) exte...
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JP2020122507A |
To provide an auto tensioner which has excellent followability with respect to the oscillation of an auxiliary machine drive belt.An auto tensioner 9 comprises: a body part 13 to be fixed to an engine body such as a front cover 1 and the...
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JP2020118152A |
To provide a device that eliminates a noise damage to the circumference even if a small/medium engine type electric generator is used outdoors, and is used for safely operating a small/medium engine type generator even at the rainy weath...
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JP2020523535A |
The present invention relates to a restraint screw spray nozzle (10) including a screw (30) for holding the spray nozzle (10) on a support, and engages with a holding member (20) fixed to the spray nozzle (10). The screw (30) then includ...
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JP6736519B2 |
To provide a belt tension adjusting device capable of adjusting tension of a belt transmitting rotational driving force of a power transmission shaft to a driven device without moving the driven device.The belt tension adjusting device c...
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JP6729005B2 |
To provide a chain cover structure which effectively realizes the motorization and the like of a VVT.A bulging portion 33 which is installed on a shaft end portion in a cam shaft on either side of cam shafts 20, 21 on an intake side and ...
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JP6729811B2 |
An internal-combustion engine (1) includes a belt-driven starter generator (4), and makes an idling stop while a vehicle is at a stop. In the process of the engine revolution speed decreasing with cutting of fuel to stop the vehicle, to ...
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JP6725270B2 |
In an overhead cam engine (10) having a first bearing (21) supported by the cylinder block (11), and a second bearing (22) supported by a bearing retaining member (60) attached to the cylinder block inside a crankcase chamber (12) for ro...
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JP2020105936A |
To enhance an oil separation effect by using a simple structure.A breather chamber structure 41 comprises: partition walls 51-53 for partitioning a breather space 42 surrounded by an outer wall into a chamber A, a chamber B, and a chambe...
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JP6718402B2 |
The present invention aims to suppress vibration in a front support body and improve durability and exterior design by rationally devising a format for attaching the front support body to a cylinder block. An engine having: a fuel tank 2...
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JP6718570B2 |
To reduce contact of a foreign matter with a starter.In an engine device in which a fly wheel rotated integrally with a crank shaft 5 is disposed on one side portion of a cylinder block 6, and a starter 20 is disposed to transmit torque ...
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