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WO/2021/106903A1 |
According to the present invention, a lubricating oil has a kinematic viscosity at 40°C ranging from 1 mm2/S to 7 mm2/S and an average mass molecular weight ranging from 150 to 400, the lubricating oil containing 0.5 mass% or more of a ...
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WO/2021/098424A1 |
A crankshaft (100), comprising a first shaft (110), a second shaft (130), and a first crank arm (120). A first oil passage (111) is formed in the first shaft (110) along an axis direction thereof; a second oil passage (131) is formed in ...
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WO/2021/098423A1 |
A crankshaft (100), comprising: a first shaft (110), a second shaft (130), a first crank arm (120), a second crank arm (140) and a recess portion (121). The first crank arm (120) is provided at one end of the first shaft (110), a first o...
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WO/2021/090799A1 |
Provided is a crankshaft that has exceptional fatigue strength and machinability. The crankshaft has a pin and a journal, the crankshaft being such that: the chemical composition thereof includes, in terms of mass%, 0.40-0.60% of C, 0.01...
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WO/2021/088321A1 |
A three-cylinder three-support crankshaft for a diaphragm pump, and a processing process. The crankshaft comprises an input shaft (8), multiple journals, and multiple crank arms (7) for connecting the journals. The multiple journals comp...
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WO/2021/074732A1 |
Set of an axle (2) and cap (3) that can be attached to the axle (2), characterised in that the axle (2) is provided with at least one recess (8) or groove in the form of a hook with a straight section (9) which extends axially from a sec...
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WO/2021/064793A1 |
The purpose of the present invention is to provide an input shaft system that makes it possible to accurately measure the shaft torque of an input shaft. This input shaft system (JS) comprises, as principal components, a low-inertia moto...
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WO/2021/060863A1 |
An intermediate shaft of a vehicle steering system according to the present invention comprises: a yoke tube in which a plurality of first grooves extending in the axial direction on the inner peripheral surface of one end thereof are fo...
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WO/2021/051397A1 |
Disclosed is a five-cylinder plunger pump, comprising a power end assembly (1), a fluid end assembly (2) and a reduction gearbox assembly (3). One end of the power end assembly (1) is connected to the fluid end assembly (2), and the othe...
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WO/2021/037948A1 |
The invention relates to a steel material for a torsionally stressed component, in particular a driveshaft, wherein the steel material has a minimum tensile strength of 800 MPs, and the microstructure consists of more than 50 vol.% of ba...
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WO/2021/034036A1 |
A shaft for an electric vehicle motor, according to the present embodiment, comprises: a body in which a hollow is formed; a first extended part extended from one end of the body in a first direction that is parallel to an axial directio...
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WO/2021/016690A1 |
The present invention relates to an electromechanical device for incorporation into the design and manufacture of internal combustion engines, which comprises the joining of two specific mechanisms, the first being an elaborate mechanism...
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WO/2020/259951A1 |
An elongate tubular shaft (28) comprised of a fibre-reinforced resin matrix composite material, the shaft comprising an elongate tubular body comprising a stack of wrapped layers, each wrapped layer (34) comprising fibrous reinforcement ...
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WO/2020/253276A1 |
An engine, comprising a crankcase (1), a crankcase cover (2) and a crankshaft (3), wherein the crankcase (1) is provided with a case crankshaft seat (11) for supporting a crankshaft journal I (31), and the crankcase cover (2) is provided...
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WO/2020/251146A1 |
The hollow shaft motor according to the present invention comprises: a motor housing 11 having a cylindrical shape; a drawing sleeve 12 coupled to an upper portion of the motor housing 11; a rear cover 15 coupled to a lower portion of th...
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WO/2020/230898A1 |
A shaft member equipped with: an outer circumferential surface; at least one axial side surface facing the axial direction; a chambered section formed at a connecting portion of the axial edge of the outer circumferential surface and the...
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WO/2020/216771A1 |
The present invention relates to a length-adjustable steering shaft for a motor vehicle, comprising a hollow outer shaft (3) with an un-round internal cross-section, in which an inner shaft (2) is received axially movably in a torque-loc...
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WO/2020/209320A1 |
Provided is a steel shaft component having excellent fatigue strength. The steel shaft component has a chemical composition comprising C: 0.40-0.60%, Si: 0.05-1.00%, Mn: 1.00-2.00%, P: 0.030% or less, S: 0.005-0.100%, Cr: 0.10-0.50%, V: ...
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WO/2020/201099A1 |
An apparatus (1) includes an adjusting system for adjusting a rotational position of a shaft with respect to a shaft holding member, comprising a frame (2), a shaft (15) which is rotatably supported by the frame (2), a shaft holding memb...
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WO/2020/203090A1 |
This hollow shaft member 10 is provided with: a pair of reduced-diameter sections 11 that are respectively formed on both axial end sections of a tubular material having a hollow shaft shape by performing swaging on the on both axial end...
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WO/2020/188162A1 |
The present invention concerns a rotor shaft of an electric machine and a method for manufacturing such a shaft, in particular for the motor vehicle industry. The aim of the invention is to improve the heat dissipation of a rotor. To thi...
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WO/2020/179800A1 |
Provided is a crankshaft of superior seizing resistance. The chemical composition of the crankshaft, expressed in mass%, is C: 0.35–0.50%, Si: 0.55% or less, Mn: 0.01–0.55%, Cr: 0.10–0.50%, P: 0.03% or less, S: 0.10% or less, Mo: 0...
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WO/2020/174696A1 |
The present invention provides a method for manufacturing a tube body that is made of fiber-reinforced plastic and used in a power transmission shaft, the method being provided with: a generation step of arranging an uncured fiber-reinfo...
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WO/2020/174697A1 |
A method for producing a drive shaft equipped with a tubular body (2) made of fiber-reinforced plastic, a stub yoke (3) having a through hole (8) that penetrates the axis (01) direction formed therein and being connected to an end of the...
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WO/2020/174698A1 |
A method for manufacturing a power transmission shaft provided with a fiber-reinforced plastic tube (2), at least one end of which has a closed section (8), and a stub shaft (4) connected to an end section of the tube (2), wherein the me...
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WO/2020/174693A1 |
The present invention provides a mandrel (1) for manufacturing a tube body that is made of fiber-reinforced plastic and used in a power transmission shaft, characterized in that the mandrel (1) is provided with a barrel part (2) on which...
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WO/2020/175453A1 |
The present invention is a nitriding steel member in which a matrix phase is composed of a carbon steel or a low-alloy steel, the nitriding steel member being characterized in that a nitride compound layer is provided on the surface, a h...
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WO/2020/170660A1 |
Provided is a spline sliding part structure which is for a vehicular powertrain, and can suppress abnormal noise and vibration from a drive system at low cost. The spline sliding part structure for a vehicular powertrain (1) comprises: a...
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WO/2020/169567A1 |
The invention relates to a wheelset for vehicles, particularly for rail vehicles, comprising a first wheel (1), a second wheel (2) and an axle (3), wherein the axle (3) comprises at least a first shaft portion (4), a second shaft portion...
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WO/2020/170661A1 |
Provided is a spline sliding part structure for a vehicle powertrain that makes it possible to inexpensively suppress abnormal noises and vibration from a drive system. The spline sliding part structure for a vehicle powertrain 1 is pr...
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WO/2020/159127A1 |
A plunging shaft comprises: a first shaft having a cylinder-shaped bore and a through-hole; a second shaft having an inner part inserted into the cylinder-shaped bore so as to be movable in a longitudinal direction; a ball spline structu...
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WO/2020/156094A1 |
The present invention provides a hollow-shaft electric motor, comprising a rotor (1), a stator (6), a housing (7), and a hollow shaft (3); the stator (6) is sleeved outside the rotor (1) and fixed in the housing (7); the rotor (1) is sle...
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WO/2020/129319A1 |
[Problem] To provide technology that makes it possible to achieve high seizing resistance even when scratches are formed. [Solution] A sliding member according to the present invention is provided with a base layer and a resin coating la...
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WO/2020/129318A1 |
[Problem] To provide a technique that can reduce the size of surface irregularities. [Solution] This sliding member is provided with a base layer and a resin coating layer formed on the base layer. The resin coating layer comprises a pol...
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WO/2020/129320A1 |
[Problem] A technique is provided which makes it possible to achieve a suitable degree of wear resistance in a resin coating layer. [Solution] This sliding member is provided with a base layer and a resin coating layer formed on the base...
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WO/2020/119094A1 |
Disclosed are a high-speed rotor and an assembly method therefor. The high-speed rotor comprises a rotating shaft (1), a first bearing (2), a second bearing (3), and a neck bushing (4), wherein the first bearing (2) and the second bearin...
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WO/2020/099056A1 |
The invention relates to a device (10) for varying a compression ratio of a reciprocating-piston internal combustion engine (100), having an externally toothed eccentric (3) which is designed to be arranged between a crankpin (28) of a c...
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WO/2020/095782A1 |
Provided is a propeller shaft wherein: a crowning section of a male spline part is disposed, in the axial direction, in a prescribed range that contains a front end part; and a tooth crest surface has a shape such that the tooth thicknes...
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WO/2020/078616A1 |
The invention relates to a crankshaft (1) for a reciprocating piston internal combustion engine having at least two main bearings (2) a crank pin (3). Crankshaft flanges (4) are arranged between each of the main bearings and the crank pi...
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WO/2020/081028A2 |
The invention relates to a driveshaft assembly comprising an elongated front shaft (3), a retaining element (10) being engaged from a connection end (50) with the front shaft (3) in a co-rotating manner and a coupling device (20) secured...
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WO/2020/078512A1 |
An unbalanced shaft (1) is proposed with a centre of mass which is eccentric with respect to its rotational axis (6) and generates the shaft unbalance (7), comprising: - a bearing journal (2) which is substantially at a standstill relati...
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WO/2020/074385A1 |
The invention relates to a steering gear (7) for a steer-by-wire steering system (1) of a motor vehicle, comprising a coupling rod (16), which is mounted in a steering gear housing (8) and on which a leadscrew (12) is formed, which is su...
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WO/2020/065921A1 |
Provided is a center bearing with reduced vibration and increased durability. A center bearing (2) is provided with a bracket (12), a radial bearing (9), a pair of bellows (13), and a stopper (14). The bellows (13) each have a diaphragm ...
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WO/2020/065486A1 |
Combustion engine with a variable compression ratio which, according to the invention, includes the following items: engine body, crankshaft with crank pins mounted rotatably in the body, cylinders, pistons connected to the crankshaft vi...
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WO/2020/063380A1 |
A crankshaft component (100), a compressor, and a refrigeration device. The crankshaft component (100) comprises an eccentric shaft part (10), a main shaft part (20), and a main spiral pump (40). The eccentric shaft part (10) comprises a...
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WO/2020/059360A1 |
In this pulser plate attachment structure for a crankshaft: pulser plates (60; 100) are externally fitted to and positioned concentrically with arcuate protruding-strip parts (53; 93) which are formed so as to be centered around the rota...
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WO/2020/060514A1 |
The invention relates to a tube assembly for a driveshaft comprising an elongated first tube portion (14) having a first diameter (d1) and a monoblock tube (10) comprising a coaxially elongated second tube portion (15) having a second di...
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WO/2020/045239A1 |
The present invention provides a crankshaft which has excellent welding resistance. This crankshaft is provided with a journal part and a pin part; and the journal part and the pin part have surface profiles, each of which has an arithme...
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WO/2020/032893A1 |
The present invention relates to a movement mechanism (1) comprising a body (2); a first motor (3) located on the body (2) and providing to produce energy; a shaft (4) which is located on the body (2) in contact with the first motor (3),...
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WO/2020/028255A1 |
A motor assembly includes a shaft, a bearing, at least one fluid channel, a temperature sensor, a lubricant supply pump, and a controller. The bearing defines a bearing interface against which the shaft rotates. The at least one fluid ch...
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