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WO/2022/189091A1 |
The invention relates to a rotor (1) for an electric machine (2), comprising a rotor core (3) and a rotor shaft (4), wherein: the rotor core (3) is fixed on the rotor shaft (4); the rotor shaft (4) has, at least in some regions, a non-ci...
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WO/2022/187219A1 |
Various disclosed embodiments include illustrative apparatuses, medical systems, and methods for attaching two dissimilar materials. In an illustrative embodiment, an apparatus includes a first rod formed from a first material and a seco...
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WO/2022/186837A1 |
Aspects of the disclosure are directed to a crank. In accordance with one aspect, the crank includes a first web, wherein the first web includes a first plurality of protrusions, and wherein one of the first plurality of protrusions incl...
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WO/2022/169187A1 |
The present invention relates to: a carbon composite material shaft in which a reinforcing rod made of a carbon composite material constitutes the inside of a space part of a shaft body made of a metal material; and a carbon composite ma...
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WO/2022/151548A1 |
A wear-resistant crankshaft structure, comprising a shaft sleeve (1), a crankshaft body (2), and a plurality of cylindrical roller groups. The crankshaft body (2) comprises an eccentric section (21); the shaft sleeve (1) is fitted over t...
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WO/2022/152342A1 |
The invention relates to an orbital bearing arrangement (1) of an electrically operated scroll compressor.
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WO/2022/142485A1 |
A laminated eccentric shaft hole structural assembly. The laminated eccentric shaft hole structural assembly is formed by superposing flat-structure eccentric unit components (A). The axes of an outer circle structural unit (1) and an in...
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WO/2022/128563A1 |
The invention relates to a rotor shaft (1) and a process for manufacturing a rotor shaft (1).
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WO/2022/132093A1 |
The present invention relates to the tube yoke used in the propeller shaft, which provides power transmission in vehicles. The present invention is characterized by comprising a body (10) made of composite pre-preg material, which has an...
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WO/2022/122645A1 |
The invention relates to a process for manufacturing a rotor shaft for an electric motor, said rotor shaft having a single-piece circumferential stop for a laminated rotor core that is to be disposed on the outer circumference of the rot...
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WO/2022/119544A1 |
Invention is a drive shaft sliding group (10) providing longitudinal motion to drive shaft (20) in axial direction and characterized by comprising tube sleeve (12) having housing groove (17) on end part and providing longitudinal motion ...
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WO/2022/105363A1 |
A shaft tube joint structure of a drive shaft, comprising an extension tube (11), a shaft tube (2), a convex tube (3), a concave tube (4), an inner adhesive ring (7) and an outer adhesive ring (8); the extension tube and the shaft tube a...
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WO/2022/092269A1 |
Provided are a method for manufacturing a stepped hollow shaft and a method for manufacturing a motor shaft, wherein when a cylindrical hollow shaft that is a blank is narrowed and formed into a shaft that has a stepped shape in the radi...
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WO/2022/089701A1 |
A rotating shaft arrangement (14) comprising a shaft (2) having an axial extent. The shaft is radially supported by a first self-aligning radial load rotary bearing assembly (15) and radially supported by a second self-aligning radial lo...
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WO/2022/085226A1 |
Provided is a shaft manufacturing method that enables a wider selection of materials for a pipe member, and also improves mass productivity. This method for manufacturing a shaft 1 for which coupling members 3 are provided on the ends of...
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WO/2022/079342A1 |
The disclosure concerns a counterweight (2) for a crankshaft (1) of a reciprocating internal combustion piston engine with a high density insert (5). A crankshaft (1) equipped with such a counterweight, a reciprocating internal combustio...
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WO/2022/068054A1 |
A connecting-rod bushing structure, which relates to an engine and is mainly solves the technical problem of the poor lubrication of an existing connecting-rod bushing. The connecting-rod bushing structure comprises a piston (1), a conne...
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WO/2022/068036A1 |
A crankshaft oil supply system, comprising a main journal (1), an upper bushing (2), and a lower bushing (3), an upper oil storage groove (201) being arranged annularly on the inner peripheral surface of the upper bushing (2), a lower oi...
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WO/2022/065425A1 |
Provided is a crankshaft that has excellent seizing resistance. A crankshaft (10) comprises journals (11) and pins (12), wherein: the chemical composition in mass percent is C at 0.35-0.40%, Si at 0.70% or less, Mn at 1.00-2:00%, Cr at 0...
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WO/2022/059385A1 |
In this stub shaft, a shaft section connected to a flange section has a first outer-diameter part and a second outer-diameter part having a diameter smaller than the first outer-diameter part, and when, in a cross-section passing through...
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WO/2022/042932A1 |
The invention relates to a radial plain bearing (1), comprising a bearing journal (3), which is formed on a shaft (2), in particular on a camshaft or crankshaft, and a bearing bushing (4) surrounding the bearing journal (3) and having a ...
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WO/2022/034316A1 |
A drive shaft is described comprising a first drive shaft segment (12) of a composite material, a second drive shaft segment (14) of a composite material, and a fitting (18) adapted to encircle an end part of the first drive shaft segmen...
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WO/2021/254557A1 |
The invention relates to a crankshaft assembly (1) for a motor vehicle drive train, comprising a crankshaft segment (2) and a centrifugal pendulum (3) secured to same, which has a carrier (4) secured to the crankshaft segment and at leas...
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WO/2021/254559A1 |
The invention relates to a crankshaft assembly (1) for a motor vehicle drive train, comprising a crankshaft segment (2) and a centrifugal pendulum (3) secured thereon, which has a carrier (4) secured to the crankshaft segment and at leas...
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WO/2021/254558A1 |
The invention relates to a crankshaft assembly (1) for a motor vehicle drive train, comprising a crankshaft segment (2) and a centrifugal pendulum (3) secured thereon, which has a carrier (4) secured to the crankshaft segment and at leas...
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WO/2021/248603A1 |
A connecting rod assembly, comprising pistons (1), connecting rod bodies (2) rotatably mounted on the pistons (1), and a crankshaft (3); the pistons (1) are each provided with a piston pin (4), one end of a connecting rod body (2) is pro...
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WO/2021/235560A1 |
This power unit includes: an engine frame (2) including a cylinder (61); a piston (61a) which reciprocates inside the cylinder (61); at least one crankshaft (11a) which is rotationally supported by the engine frame (2), and which is rota...
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WO/2021/227369A1 |
A shaft (54) for a rotary driving apparatus, comprising: a straight first shaft portion (82) having a first rotation axis (X1); and a straight second shaft portion (80) having a second rotation axis (X2), the second shaft portion (80) be...
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WO/2021/219526A1 |
The method comprises the following successive steps: - producing an initial preform (1) on a mandrel by winding threads without generating shrinking, - cutting the initial preform (1) to the correct length, - placing the assembly provide...
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WO/2021/218922A1 |
A rotary sealing structure and a spiral sand-water separator are disclosed. The rotary sealing structure comprises a rotary sleeve (1), a fixed spindle (2), a spiral blade shaft (3), a sealing ring (4), a thrust ball bearing (5), a self-...
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WO/2021/206081A1 |
A rotating body (30) according to the present invention, which is made of resin and is to be attached to a crankshaft (20), has: an outer plate element (32) and inner plate element (36) which are to be attached to the outer surface (22a)...
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WO/2021/196727A1 |
Disclosed is a manufacturing method for a high-speed rotor. The high-speed rotor comprises a shaft I (1) and a shaft II (2), wherein the shaft I (1) comprises a first inner hole and a second inner hole that have different hole diameters,...
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WO/2021/196487A1 |
An upper-drive-type main shaft composite body for a centrifugal supergravity device. The upper end of a main shaft (59) is coaxially and fixedly connected to the lower end of a slip ring shaft (52), and the upper end of the slip ring sha...
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WO/2021/201740A1 |
A crankshaft (1) for a crankcase scavenged two stroke piston engine (2) is disclosed. The crankshaft (1) is configured to rotate around a rotation axis (ax) during operation. The crankshaft (1) comprises a crankpin (3) configured to move...
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WO/2021/181347A1 |
Method of execution of a rotating shaft (1) for the transmission of rotary motion from a motor characterised in that it comprises at least the following steps: realising a tubular body (3) in composite material, moulding a plurality of l...
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WO/2021/180608A1 |
The present invention relates to a method for manufacturing a steering shaft part (10) of a steering shaft (1) for a motor vehicle, which steering shaft part has a tubular steering shaft portion (2) extending from an end (41) in a longit...
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WO/2021/169215A1 |
A high-coaxiality electric motor shaft, comprising a front shaft (1) made of stainless steel materials and a rear shaft (2) made of carbon steel materials. The front end of the rear shaft (2) is provided with a columnar connecting part (...
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WO/2021/172177A1 |
Provided is a crankshaft that has excellent seizing resistance. This crankshaft includes journal parts 11 and pin parts 12 and has on a surface thereof a compound layer containing iron and nitrogen. In the compound layer, in each of the ...
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WO/2021/170004A1 |
A variable compression ratio driving structure and an assembly method therefor. The structure drives an eccentric shaft (5) in a variable compression ratio mechanism to rotate, and comprises a harmonic reducer unit fixedly provided on an...
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WO/2021/170003A1 |
A variable compression ratio driving structure, for use in driving an eccentric shaft (5) in a variable compression ratio mechanism to rotate. The variable compression ratio driving structure comprises a harmonic reducer unit fixedly pro...
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WO/2021/166865A1 |
A balancer shaft of a balancer device for a 3-cylinder internal combustion engine, the balancer shaft comprising a pair of balance weights that are integrally provided on the outer sides of a pair of bearings so that the unbalanced direc...
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WO/2021/152631A1 |
The present subject matter relates to a power unit comprising a translating member (300) at least partially enclosed by and rotatably supported within a crankcase. The reciprocating member (300) connected to a translating member (300) th...
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WO/2021/148553A1 |
The invention relates to a steering shaft assembly (10) for a motor vehicle, which comprises a first shaft (20) and a second shaft (22) which are both rotatable about a central axis (24). The second shaft (22) is a hollow shaft, and a po...
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WO/2021/144084A1 |
The invention relates to a rotor (1) of an electric motor (2). According to the invention: the rotor (1) has a main shaft (3); at least one laminated core (5) is located on an outer peripheral surface (4) of the main shaft (3); and a rec...
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WO/2021/135328A1 |
Disclosed are a self-lubricating shaft and a work machine provided with the self-lubricating shaft. The self-lubricating shaft comprises a shaft body (100) comprising an inner cavity, and a piston (200) movably disposed in the inner cavi...
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WO/2021/132319A1 |
A propeller shaft (PS) has a balance piece (9) on the outer peripheral side of a stub shaft body section (31) of a stub shaft (3), which is axially separated from both spline sections (25, 34), which are spline fitting sections. Due to t...
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WO/2021/130391A1 |
The invention relates to a method for repairing shafts of wind generators by means of FCAW welding filler, comprising the following sequence: - arranging a shaft (1) to be repaired on a turning lathe (2); - inspecting the shaft (1) and l...
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WO/2021/121667A1 |
A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including...
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WO/2021/114438A1 |
A blade rotary engine, constructed by a rotor (4), a housing (1, 2, 3), and a transmission shaft (5). Cavities constructed between the rotor (4) and the housing (1, 2, 3) are divided into air cylinders (72) and oil cylinders (71); eight ...
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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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