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Rotor Shaft

Rotor Shaft-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Brushless motor for a power tool
Black & Decker Inc.
October 12, 2017 - N°20170294819

A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further ...
Dynamic fluid seal
Prippell Technologies, Llc
October 12, 2017 - N°20170292612

A low drag fluid seal. The fluid seal includes a rigid lip separated from the rotor shaft by a gap, the gap being sufficient narrow, radially, to prevent liquid from seeping through the gap at an unacceptable rate, but sufficiently wide, radially, to avoid unacceptably high viscous drag. Fluid that seeps through the gap accumulates in a recovery cavity and ...
Air bypass system for rotor shaft cooling
General Electric Company
October 12, 2017 - N°20170292455

An air bypass system for a gas turbine engine includes a nozzle for a gas turbine engine. The air bypass system includes the nozzle having an inner band, an outer band, and an airfoil extending between the inner band and the outer band. The airfoil defines an internal passage. A diaphragm includes an inner wall, a first rail, and a ...
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Rotor Shaft Patent Applications
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Electric motor
Johnson Electric S.a.
October 05, 2017 - N°20170288491

An electric motor includes a rotor with a rotor shaft mounted in at least one bearing bush of a friction bearing, a stator which surrounds the rotor, and at least one circular bearing plate which, relative to the rotor shaft, is mounted on the rotor shaft for co-rotation. An inner contour of the bearing plate surrounds a circumference of the ...
Drive unit with an electromotive power unit and a transmission
Schaeffler Technologies Ag & Co. Kg
October 05, 2017 - N°20170284533

A drive unit includes a housing having first and second chambers. An electromotive drive is disposed in the first chamber and including a hollow rotor shaft. A transmission is disposed in the second chamber and includes an output shaft extending through the rotor shaft such that a gap is formed. The transmission further includes a gearing arrangement that operably couples ...
Turbine rotor assembly, turbine, and rotor blade
Mitsubishi Hitachi Power Systems, Ltd.
October 05, 2017 - N°20170284209

A turbine rotor assembly includes a rotor shaft and rotor blades. The rotor shaft includes two protrusions, two bearing surfaces, two first facing surfaces, and two second facing surfaces positioned on the outer side of the first facing surfaces. The blade root section of each of the rotor blades includes two contact surfaces which are contactable with the two bearing ...
Rotor Shaft Patent Pack
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Rotor Shaft Patent Applications
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For professional research & prior art discovery
inventor
  • 126+ full patent PDF documents of Rotor Shaft-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Rotor shaft for use in an aerating device
Redexim Handel- En Exploitatie Mij. Bv
October 05, 2017 - N°20170280613

Rotor shaft for use in an aerating device for a ground, wherein the rotor shaft comprises at least one connecting disc which extends transversely of the axis of the rotor shaft and on which at least two knives are arranged, wherein each knife is provided with two knife connecting holes and is connected between the connecting disc and a connecting ...
Motor drive device
Aisin Seiki Kabushiki Kaisha
September 28, 2017 - N°20170279336

A motor drive device includes a stator, a rotor, a first output shaft being provided in the rotor shaft and integrally rotating with a first drive gear, a second output shaft being provided in the first output shaft and integrally rotating with a second drive gear, a first one-way clutch being provided between an inner periphery of the rotor shaft ...
Monitoring torsional oscillations in a turbine-generator
Abb Schweiz Ag
September 28, 2017 - N°20170276539

A monitoring device and a method for detecting mechanical torsional oscillations in a rotor shaft of a turbine-generator system. Specifically, the monitoring device and a method for detecting mechanical torsional oscillations in a turbine-generator system having a plurality of, such as two, three, four, five, six or more, turbines that are interconnected by means of a common turbine shaft.
Oil-drain device for thrust bearing device and turbocharger provided with the same
Mitsubishi Heavy Industries, Ltd.
September 28, 2017 - N°20170276233

An oil-drain device for a thrust bearing includes: a rotor shaft; a collar member mounted to an outer periphery of the rotor shaft; a thrust bearing supporting the rotor shaft in an axial direction; and an oil-drain space forming member defining an oil-drain space through which lubricant oil leaking from a sliding portion of the thrust bearing flows, between the ...
Double-screen grinding mechanism and double-screen grinding juicer
Dongguan Fushiduo Electric Co., Ltd.
September 28, 2017 - N°20170273509

The present invention relates to a double-screen grinding mechanism and a double-screen grinding juicer, belonging to the technical field of household appliances. The juicer comprises a motor box, a motor, a middle cover, a grinding mechanism and an upper cover, wherein the grinding mechanism consists of a filter screen and a rotor, the filter screen being of a double-layer filter ...
Port plate of a flat sided liquid ring pump having a gas scavenge passage therein
Gardner Denver Nash Llc
September 21, 2017 - N°20170268512

A liquid ring pump includes a planar port plate having first and second planar walls, a sidewall which defines a shaft receiving aperture, an inlet, and an outlet. An opening is formed in the port plate and includes an open end that extends through the sidewall and an open face that extends through the first planar wall. A rotor shaft ...
A device and method for high shear liquid metal treatment
Gardner Denver Nash Llc
September 21, 2017 - N°20170266717

A high shear liquid metal treatment device for treating metal includes a barrel, a rotor shaft, rotor fans, and stator plates. The barrel has a longitudinal axis that extends between an upper end and a lower end, and an opening at its upper and lower ends. The rotor shaft is mounted centrally through, and parallel to the longitudinal axis. The ...
Rotor Shaft Patent Pack
Download 126+ patent application PDFs
Rotor Shaft Patent Applications
Download 126+ Rotor Shaft-related PDFs
For professional research & prior art discovery
inventor
  • 126+ full patent PDF documents of Rotor Shaft-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Seal ring assembly for a dynamoelectric machine
General Electric Company
September 14, 2017 - N°20170261107

A seal ring assembly for a rotor shaft includes a seal casing defining a radially inwardly directed channel. The seal ring is disposed in the radially inwardly directed channel of the seal casing. The seal ring is resiliently joined about the shaft to form a seal, and the seal ring comprises an electrically insulating or dissipative material or a non-metallic ...
Method of actuating ocean current electric power generator and actuation control apparatus
Mitsubishi Heavy Industries, Ltd.
September 14, 2017 - N°20170260962

An ocean current electric power generator includes a mechanical brake that restricts a rotation of a rotor shaft of a rotatable wing, and a power transmission mechanism that is disposed between the rotor shaft and an electric power generator. The power transmission mechanism includes a switching section that switches between a power transmission state and a power disconnection state, a ...
Cross-flow wave making pump
Guangzhou Maiguang Electronic Science Technology Co., Ltd.
August 31, 2017 - N°20170248141

This invention relates to a cross-flow wave making pump comprising an impeller shell forming a water intake and a water outlet, an impeller assembly pivotally connected to two ends of the impeller shell, and a motor used for driving the impeller assembly; wherein, the impeller assembly comprises an impeller used for driving a liquid flow, a first turntable and a ...
Drive unit of hybrid vehicle
Toyota Jidosha Kabushiki Kaisha
August 24, 2017 - N°20170240037

A drive unit of a hybrid vehicle includes an engine; an electric motor; first and second differential mechanisms; a selectable one-way clutch; and a case accommodating the electric motor. Further, the first differential mechanism includes a first rotational element coupled to the electric motor, a second rotational element coupled to the engine, and a third rotational element that outputs power ...
Rotor shaft arrangement and method for manufacturing the same
Hirschvogel Umformtechnik Gmbh
August 17, 2017 - N°20170237316

The present invention relates to a rotor shaft arrangement (1) for a rotor (r) of an electric motor, having a hollow shaft (2) for accommodating a rotor body (k), and a cooling body (3) which is arranged in the hollow shaft (2) and is in thermal contact radially with the hollow shaft (2) and has an axially continuously open structure (s), and therefore a cooling ...
Gas turbine engine motoring variable frequency generator system for bowed rotor engine starts
Hamilton Sundstrand Corporation
August 17, 2017 - N°20170234237

An engine starting system for a gas turbine engine is provided. The engine starting system comprising: a gas turbine engine including rotational components comprising an engine compressor, an engine turbine, and a rotor shaft operably connecting the engine turbine to the engine compressor, wherein each rotational component is configured to rotate when any one of the rotational components is rotated; ...
Electro-pneumatic gas turbine engine motoring system for bowed rotor engine starts
Hamilton Sundstrand Corporation
August 17, 2017 - N°20170234235

An engine starting system for a gas turbine engine is provided, the engine starting system comprising: a gas turbine engine including rotational components comprising an engine compressor, an engine turbine, and a rotor shaft operably connecting the engine turbine to the engine compressor, wherein each rotational component is configured to rotate when any one of the rotational components is rotated; ...
Gas turbine engine motoring system for bowed rotor engine starts
Hamilton Sundstrand Corporation
August 17, 2017 - N°20170234234

An engine starting system for a gas turbine engine is provided. The engine starting system comprising: a gas turbine engine including rotational components comprising an engine compressor, an engine turbine, and a rotor shaft operably connecting the engine turbine to the engine compressor, wherein each rotational component is configured to rotate when any one of the rotational components is rotated; ...
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