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JP7192311B2 |
To improve the output of an internal combustion engine by ensuring the amount of oil jetting to a cylinder wall surface or a piston back surface.On an outer peripheral surface of a bearing fitting surface 3402, an oil collection groove 4...
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JP7172430B2 |
A connecting rod of an example in the present disclosure is divided into a rod body and a cap at an oblique division at a large end, the rod body and the cap fastened by bolts. The connecting rod includes a joining plane and first and se...
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JP2022158889A |
To facilitate assembly work, and suppress partial contact between gears even when an inclination occurs between a gear shaft and a gear meshing with the gear shaft.A power transmission member has a shaft 55 with a gear 51 meshing with an...
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JP7150626B2 |
To provide a connecting rod which can prevent a bearing load from leaning to an end part of a bearing metal at a small end part.A connecting rod includes: a large end part to which a crank shaft of an engine is connected; a small end par...
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JP2022139203A |
To provide a connecting rod capable of suppressing an unexpected change in length by holding the axial length of the connecting rod with a mechanical locking mechanism.A connecting rod includes: a crank-side connection member 13 connecte...
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JP2022139422A |
To provide an actuator of a variable compression ratio mechanism capable of stably regulating an axial direction of a bearing while reducing costs.An actuator of a variable compression ratio mechanism is provided with a bearing position ...
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JP2022137448A |
To provide an actuator of a variable compression ratio mechanism that can be controlled with high accuracy while reducing cost.In a variable compression ratio mechanism of an internal combustion engine according to the present invention,...
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JP7127293B2 |
A small end of a connecting rod includes an oil supply hole extending from an outer surface to an inner surface of the small end. The oil supply hole includes an oil storage groove and a communication hole. The oil storage groove is rece...
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JP7124571B2 |
To reduce vibration generating during an operation of a variable compression ratio internal combustion engine.A one end-side first groove 35 continued along a circumferential direction is formed on a part on which a compression load caus...
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JP2022114170A |
To suppress enlargement of an engine reversely rotating a crankshaft.In an engine (10), a counter shaft (61) is arranged behind a crankshaft (31), and a primary shaft (51) is arranged below the crankshaft. A primary drive gear (37) of th...
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JP7112905B2 |
To improve the sound vibration performance of an internal combustion engine.A lower link 6 of a double-link type piston crank mechanism is formed into a shape made by adding, to a fundamental shape having a substantial parallelogram, an ...
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JP7112906B2 |
To improve the sound vibration performance of an internal combustion engine.A control link 7 of a double-link type piston crank mechanism has a bilateral asymmetric shape which is formed by adding a weight part 15 to a fundamental shape ...
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JP7107003B2 |
To supply a sufficient quantity of a lubricant to a bearing portion of an upper pin.An upper link 4 has: a rod part 21; an annular piston-pin pin boss part arranged at one end of the rod part 21; an annular upper-pin pin boss part 23 arr...
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JP7099169B2 |
To form an oil passage on the inside of an upper link so that failure does not occur.An upper link 4 comprises an oil supply passage 31 inside for guiding oil introduced from a pin boss part 26 side for a piston pin to an upper pin 5. Th...
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JP2022099869A |
To provide a connecting rod capable of realizing reduction in weight and vibration.A connecting rod 1 comprises: a small end part 21 that is connected to a piston via a piston pin; a large end part 22 that is connected to a crankshaft vi...
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JP7092948B2 |
An apparatus for adjusting a length of a connecting rod of a cylinder of an internal combustion engine by installing and/or removing an intermediate plate between a connecting rod small end and a connecting rod shank of the connecting ro...
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JP2022093005A |
To supply a lubrication oil to a connection part of a link member efficiently.A formation method of a link member is used for an upper link 3 serving as a link member which has a shaft part 31, a second connection part 33, and a lubricat...
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JP7083770B2 |
To solve the problems of seizure and fatigue of a bearing material due to contact between a crankshaft and a bearing, by taking a measure of securing an oil film thickness of the bearing in an axial direction of the crankshaft.A connecti...
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JP7083299B2 |
According to the present invention, a knee lever (50) that operates so as to allow a crosshead (40) to reciprocate and that supplies lubricating oil to the crosshead (40) comprises: a free end part (51) that is connected to the crosshead...
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JP2022073730A |
To prevent deformation and floating of a connecting rod during a surface process of a connecting rod.A fixing jig that, when a surface process is performed on a first surface and a second surface, in a thickness direction, of a connectin...
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JP2022064448A |
To efficiently and accurately inspect a step quantity of a coupling part when connecting rods that have been fractured and divided into a cap side large end and a rod side large end are coupled again.An inspection method of a connecting ...
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JP2022053195A |
To suppress positional displacement between a cap part and a rod part.A cap fastening method fastens a cap part of a base material broken and separated by expanding a through-hole formed at an end in a long direction of the base material...
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JP7044527B2 |
To lubricate between a pin boss part 23 for an upper pin and the upper pin 4 by using oil mist scattered in a crank case.A multi-link type piston crank mechanism of an internal combustion engine is composed of an upper link 3, a lower li...
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JP7041549B2 |
To perform sure lubrication by making a peak of a quantity of a lubricant actually supplied to a slide face of an upper pin 4 coincide with a crank angle at which a combustion load becomes maximum.A lubrication structure of a double-link...
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JP7035863B2 |
To provide a fracture dividing method in which an advancing direction in a fracture surface can be controlled actively.The method is for dividing a lower link material 27 into two by fracture caused by cracking with a diameter increasing...
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JP7034194B2 |
To provide an internal combustion engine capable of increasing a time and a stroke of an expansion stroke without extremely delaying closing of an intake valve.An internal combustion engine 1 includes: a cylinder 2; a piston 5; a crank s...
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JP7034195B2 |
To provide an internal combustion engine capable of being miniaturized in comparison with a conventional one while keeping a reduction gear ratio of a driving gear and a driven gear.An internal combustion engine includes: a crank shaft 6...
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JP2022037838A |
To provide a device for continuously changing a stroke volume and a compression rate, which is compact and can reduce vibration over the entire range of use.In a device in which a piston 11 and a crank shaft 15 are connected with three l...
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JP7032176B2 |
To provide a fracture state quality judgment device and a fracture state quality judgment method which enable a simple and accurate quality judgment of the fracture face when the large end part of a connection rod is fractured on the sha...
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JP7025951B2 |
To increase an amount of lubricant collected at an oil mist collection recess, with strength of a pin boss part for upper pin secured.An oil mist collection recess 28 is formed so as to continue in the longitudinal direction of an upper ...
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JP6990527B2 |
Provided is an aluminum alloy material with high strength and low thermal expansion coefficient even under high temperature environments. An aluminum alloy material according to the present invention has a composition consisting of: Si: ...
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JP2022012912A |
To provide a manufacturing method of a connecting rod which can reduce a quality-defective product.An assembling bolt 7 is inserted into a main body part 4 which is formed by fracturing and dividing a large end part 2, and a cap part 3. ...
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JP2021196059A |
To provide a method for manufacturing a connecting rod, which can reduce axial force at the time of screw fixation while suppressing misalignment of a cap part and a rod part at the time of screw fixation.A method for manufacturing a con...
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JP2021535332A |
The present invention relates to a sliding bearing assembly (1) comprising at least one sliding bearing element (2) disposed within a bearing housing (3), wherein the bearing housing (3) is part of a bearing structure. Yes, the bearing s...
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JP2021179182A |
To increase mitigation of impact force.A connecting rod of an internal combustion engine comprises: a small end part with a first opening into which a piston pin is inserted so as to penetrate in a thickness direction; a large end part w...
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JP2021179226A |
To provide a joint member which can withstand both a tension load and a compression load, and is reducible in weight, and its manufacturing method.A joint member 10 comprises a first support part 12, a second support part 13, and a conne...
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JP6965702B2 |
To provide an oil supply mechanism capable of increasing an oil supply amount into a cylinder.An oil supply mechanism includes an oil groove 19 annularly formed in a crank web 9 coaxially with a crank pin 5 and receiving oil from the cra...
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JP6958340B2 |
A connecting rod manufacturing method includes: forming, in an inner circumferential surface of a through-hole (14) formed at an end of the connecting rod, a plurality of first holes (51) as fracture start portions (50, 60) such that the...
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JP2021165551A |
To independently control variable stroke volume and compression ratio with separate control mechanisms and motors, to realize accurate control and reduce power consumption.In a device in which a piston 11 and a crankshaft 15 are connecte...
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JP2021148262A |
To inhibit or prevent burning in the following part by mitigating an impact when a rotary shaft body is brought into partial contact with an inner periphery of a cylindrical bearing body.A bearing body is divided into at least two or mor...
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JP6930447B2 |
A manufacturing method for a connecting rod includes applying a tensile load to an end portion of the connecting rod as precompression in a cross direction that intersects with a longitudinal direction, the end portion being an longitudi...
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JP2021121453A |
To provide a groove processing tool 3 for a connection rod which improves wear resistance of a cutting blade and can stably form a substantially sharp V groove-shaped fracture promotion part N, and a forming device 2 for a fracture promo...
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JP2021121454A |
To provide a groove processing tool 3 for a connection rod which suppresses wear of a blade tip and can improve life cycle of a cutting blade 62, and a forming device 2 for a fracture promotion part of a connection rod 1.A groove process...
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JP6917261B2 |
A method for processing fracture surfaces of a ductile metal component by processing fracture surfaces (51a and 52a) of fracture components (51 and 52) into which the ductile metal component (50) is divided by fracturing the ductile meta...
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JP6916474B2 |
A link component (150) with an oil hole (150E) is attached to a crankshaft (106) of an internal combustion engine (E), and the oil hole (150E) allows communication from an outside to the crankshaft (106) side. The oil hole (150E) has an ...
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JP2021116842A |
To provide a vehicle power transmission mechanism which enables reduction of generation of noise in a noise generation source.An embodiment is a vehicle power transmission mechanism including a driving source, driving wheels, and a drivi...
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JP6904306B2 |
To provide an engine capable of effectively suppressing vibration of the engine even when a compression ratio of the engine is increased.A vibration transmission attenuation mechanism 50 disposed on a part of a load transmission member o...
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JP6904305B2 |
To provide an engine capable of effectively suppressing vibration of the engine even when a compression ratio of the engine is increased.A vibration transmission attenuation mechanism 50 disposed on a part of a load transmission member o...
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JP2021085422A |
To provide a connecting rod capable of controlling a load transmitted to a large end through a rod part to simultaneously achieve reduction of a maximum value of compressive stress on a metal back surface and weight reduction.A connectin...
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JP2021081066A |
To provide a bearing for reducing the material fatigue of a machine.A bearing (25) for a shed forming machine or a system for transmitting a motion to a frame of a loom comprises an inner ring (72), an outer ring (74) and rolling element...
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