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JP6875392B2 |
The invention relates to a length-adjustable connecting rod (1) for a reciprocating piston machine, comprising at least one first rod part (2) with a small connecting rod eye (3) and at least one second rod part (4) with a large connecti...
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JP6873819B2 |
To suppress seizure even when a crankshaft has bias-contacted with a crank washer.A crank washer 30 for supporting the axial force of the crankshaft consists of an upper washer 31 and a lower washer 32. The upper washer 31 has an incline...
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JP6858412B2 |
A variable compression ratio engine comprises a stationary engine block in which movable members interact to enable a piston to translate in a combustion cylinder of the engine block, defining a stroke of the combustion piston. The engin...
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JP6845100B2 |
To provide a lubrication structure of a piston support part capable of preventing seizure between a piston, a piston pin and a connecting rod.A lubrication structure of a piston support part slidably supports a piston 2 at a small end pa...
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JP6836435B2 |
To form a deep recessed part in a piston head and concurrently inhibit enlargement of a piston.An engine has: a piston 21 including a first boss part 31 supporting a first piston pin 22 and a second boss part 32 supporting a second pisto...
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JP2021024029A |
To provide a breaking device and a breaking method of a connecting rod capable of forming a prescribed breaking surface at high yield when breaking a large diameter part of a connecting rod into two parts.A breaking device includes: clam...
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JP2021017820A |
To efficiently cool an internal combustion engine by using a simple configuration.A cooling mechanism includes: a first oil passage 41 provided at least in a connecting rod 6, having one end on which a discharge port 43 discharging oil i...
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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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JP6818233B2 |
To provide a variable compression ratio internal combustion engine which is advantageous in avoiding changes in piston offset amount or an increase of weight and inertia weight.A variable compression ratio internal combustion engine incl...
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JP6805783B2 |
To provide function that can vary a compression ratio without rotating a piston with a simple configuration.A variable compression ratio mechanism includes: a screw member 202 (connection member) for connecting a piston to a crosshead; a...
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JP6783807B2 |
A length-adjustable connecting rod has a first rod part and a second rod part, with the rod parts being displaceable telescopically toward and/or in one another by means of a length-adjusting means, and with the length-adjusting means be...
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JP2020180573A |
To provide an improved supporting structure of a piston and a connection rod capable of smoothly fitting a connection rod to a crank pin while preventing the connection rod from riding on a crank arm in descent assembling, by further imp...
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JP6766532B2 |
To provide a high-strength hot-forged non-heat-treated steel component.A high-strength hot-forged non-heat-treated steel component contains, as its chemical components, in unit mass%, C: 0.50-0.65%, Si: 0.60-1.20%, Mn: 0.60-1.00%, P: 0.0...
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JP2020163530A |
To provide a metal part that appropriately extends cracks along a target breaking surface while suppressing the generation of excessive stress, and also to provide a breaking device for a connecting rod, a breaking method, and a manufact...
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JP2020148100A |
To efficiently remove excessive oil on a cylinder inner wall surface.An oil suction mechanism comprises: a first oil passage 41 formed in at least a connecting rod 6, having a first discharge port 43 for discharging oil and formed in at ...
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JP6748594B2 |
An actuator of a variable compression ratio mechanism for an internal combustion engine includes an arm link 13 configured to change a posture of the variable compression ratio mechanism for the internal combustion engine by swinging, a ...
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JP6750744B2 |
A steel according to one aspect of the present invention has a chemical composition containing, by unit mass%, C: 0.25 to 0.55%, Si: 0.20 to 1.30%, Mn: 0.50 to 1.50%, P: 0.010 to 0.200%, S: 0.010 to 0.100%, Cr: 0 to 1.20%, V: 0.25 to 0.4...
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JP6750745B2 |
A steel according to an embodiment of the present invention comprises chemical components, by unit mass%, of C: 0.15 to 0.30%, Si: 0.40 to 1.30%, Mn: 0.50 to 1.50%, P: 0.035 to 0.200%, S: 0.010 to 0.100%, Cr: 0 to 1.00%, Nb: 0.010 to 0.2...
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JP6743715B2 |
To provide a variable compression ratio mechanism which can improve workability when a connecting rod varies a compression ratio.A connecting rod has a first connecting rod portion 11 and a second connecting rod portion 21 which are arra...
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JP2020521919A |
The present invention relates to a connecting rod (1) for an internal combustion engine. The connecting rod (1) is composed of a first part (5a) and a second part (5b) associated with the head (2) and the legs (3), respectively, and the ...
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JP2020112152A |
To reduce vibration in a continuous variable device of a stroke volume and a compression ratio.A continuous variable device is provided as follows: a connecting rod 13 for connecting a piston 11 with a crank is divided into three pieces ...
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JP6727758B2 |
A connecting rod (18) connects a cross-head journal (7) and a crank pin (9) of a cross-head type engine (EG), and the connecting rod comprises: an oil supply path (15) that is formed extending along the longitudinal direction of the insi...
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JP2020104207A |
To provide a machining device and a manufacturing method for a connecting rod that can secure excellent positional tolerance and dimensional accuracy of a large end hole and a small end hole, while preventing a machining step and a machi...
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JP3226581U |
To provide a link structure having adjustable length and good reliability. The link structure includes a first link member, a second link member and a lock member, and the first link member 110 is a first link portion 111, a first limiti...
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JP2020104208A |
To provide a machining device for a connecting rod and a manufacturing method for a connecting rod which can deal with different kinds of con rods for finish-machining easily in a short time.Using an NC machine tool 1 that has a first ro...
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JP6720213B2 |
The present invention relates to a process pump having a crank mechanism (1) and at least three cylinders that represent a first cylinder, a second cylinder and a third cylinder when seen clockwise or counterclockwise around the crank me...
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JP6717398B1 |
To provide a forged part capable of increasing strength, improving machinability and improving breakability, and easily aligning a re-contact position on a fractured split surface, and a method for manufacturing the same. In mass%, C: 0....
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JP6713495B2 |
A connecting rod includes a main body portion of which one end portion is provided with a piston pin and a cap that is fixed to another end portion of the main body portion with a pair of bolts. The cap is provided with a pair of bolt th...
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JP2020084971A |
To solve a problem of a small engine, which is in general a trunk piston engine, in which fuel or combustion gas enters into a crank area and a lubricant oil cannot be distinguished, and a structural problem of a conventional medium-size...
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JP2020085208A |
To provide a breaking method capable of performing breaking while forming a satisfactory broken-out surface in which three-dimensional displacement is suppressed, by using a method for easily forming a stress concentration part.The prese...
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JP6684293B2 |
Load transfer point offset of rocking journal bearings in uniflow-scavenged, opposed-piston engines with phased crankshafts includes differing offsets for the load transfer points of opposed pistons. More specifically, under the conditio...
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JP2020510780A |
The present invention relates to a method for operating a reciprocating engine (10), particularly an internal combustion engine, having at least one hydraulically adjustable length-adjustable piston rod (1a, 1b) for adjusting the compres...
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JP2020051468A |
To provide a connecting rod which can contribute to the lubrication of a piston by collecting oil which leaks to a region between a web side face of a second end part of the connecting rod and a crank web of a crankshaft.In a connecting ...
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JP2020029857A |
To provide a compression ratio continuously variable device in which crank angles respectively between a top dead center and a bottom dead center, and between the bottom dead center and the top dead center are constant over the whole var...
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JP6652020B2 |
To provide a high-strength hot-forged non-heat-treated steel component.A high-strength hot-forged non-heat-treated steel component contains, as its chemical components, in unit mass%, C: 0.50-0.65%, Si: 0.60-1.20%, Mn: 0.60-1.00%, P: 0.0...
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JP6641426B2 |
A method is provided for producing an assembly of an eccentric rod (15, 16) and a piston (20, 21) of a connecting rod of an internal combustion engine having an adjustable compression ratio. The method includes providing an eccentric rod...
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JP6626051B2 |
A servo press machine (10) includes an eccentric shaft (13), a connecting rod (14), a slide (11), an eccentric shaft-side sliding surface (22), a connecting rod-side sliding surface (40), an oil supply port (24), and a supply mechanism (...
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JP2019215039A |
To secure a lubrication oil amount for a cylinder inner wall.An internal combustion engine lubrication structure includes: a connecting rod 20 that includes a one end portion 21 connected to a piston 50 housed in a cylinder 12 and an oth...
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JP6604991B2 |
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JP6601444B2 |
A gear drive mechanism is provided with a gear drive pin provided at the second gear, a first movable member and second movable member configured to be able to move to the gear drive pin side, a first guide groove formed at the first mov...
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JP6602623B2 |
A connecting rod module (1) includes: a connecting rod (10), which is formed of a sintered metal; and bearing raceway rings (outer rings (21, 31)), which are press-fitted into a through-hole (11a, 12a), respectively. The connecting rod (...
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JP2019190351A |
To provide a single-cylinder internal combustion engine that is easy to assemble and makes less noise, and a saddle riding type vehicle that comprises the same.An internal combustion engine 10 comprises a connecting rod 27 in which a per...
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JP6597652B2 |
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JP2019183725A |
To effectively ensure time when a piston is positioned at a top dead point, with a simple structure.An internal combustion engine 10 includes: a cylinder 13; a piston 20 stored in the cylinder 13 so as to reciprocate; and a connecting ro...
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JP6586875B2 |
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JP2019167945A |
To provide a compression ratio continuous variable device in which crank angles between a top dead center and a bottom dead center and between a bottom dead center and a top dead center are kept constant and crank phases of the top dead ...
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JP6579137B2 |
A variable compression ratio mechanism includes a variable length connecting rod. The variable length connecting rod includes a connecting rod body, an eccentric member, and an eccentric member drive mechanism. The eccentric member inclu...
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JP2019157880A |
To provide a connecting rod excellent in rolling fatigue strength on an inner peripheral surface of a large end part, and capable of being manufactured at lower cost than conventional arts.A connecting rod (1) is made of steel, comprises...
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JP2019526753A |
To effectively improve the torsional rigidity of a hybrid member. It is composed of a coupling rod 9 having contour portions arranged in a range of both ends and two ball joints 4 and 5 having a synthetic resin housing 4a bonded to the c...
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JP6572925B2 |
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