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Rotor Shaft patents

      

This page is updated frequently with new Rotor Shaft-related patent applications.




 Totally enclosed motor patent thumbnailTotally enclosed motor
A totally enclosed motor is provided that includes a housing which forms a motor space for the motor and a motor unit that has a rotor, a stator, and a rotor shaft. Additionally, a position sensor unit is configured to measure an angular position of the rotor.
Hyundai Motor Company


 Waste water evaporator patent thumbnailWaste water evaporator
An atomizer for use in waste water evaporation includes a motor having a rotor shaft, at least one conduit for receiving the waste water, a housing supporting the motor and the at least one conduit, and a hub having a plurality of holes for distributing waste water in the form of water droplets. The motor is a variable speed motor and is cooled by waste water flowing through the at least one conduit.
E3 Solutions, Llc


 Rotor for rotary electric machine patent thumbnailRotor for rotary electric machine
A rotor includes a rotor core and a rotor shaft. The rotor shaft includes an insertion portion, an external thread portion, a key groove and a nut.
Toyota Jidosha Kabushiki Kaisha


 Power transmission device for vehicle patent thumbnailPower transmission device for vehicle
A power transmission device includes a rotor shaft, a gear shaft, and a rattling suppression member. The rattling suppression member is provided between a first shaft end portion and the gear shaft or between a second shaft end portion and the rotor shaft.
Toyota Jidosha Kabushiki Kaisha


 Linear actuator patent thumbnailLinear actuator
A linear actuator comprising a motor adapted to axially rotate a rotor shaft in alternating directions, the motor having a stator positioned co-axially around the rotor shaft with the rotor shaft being co-axially coupled to a drive mechanism to convert axial rotation of the rotor shaft into reciprocal displacement of the drive mechanism, the drive mechanism having opposed ends, one end coupled to a piston arranged within a cylinder to define a pumping chamber between the piston and the cylinder, wherein alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston within the pumping chamber, and the linear displacement of the drive mechanism operates a lubrication system within the linear actuator.. .
Techni Waterjet Pty Ltd


 Damper pin for a turbine blade patent thumbnailDamper pin for a turbine blade
A damper pin for damping adjacent turbine blades coupled to a rotor shaft includes an elongated body having a center portion that is disposed between a first end portion and a second end portion. The first end portion, center portion and second end portion at least partially define a generally arcuate top portion of the elongated body.
General Electric Company


 Damper pin for a turbine blade patent thumbnailDamper pin for a turbine blade
A damper pin for damping adjacent turbine blades coupled to a rotor shaft includes a first end portion that is axially aligned with and axially spaced from a second end portion and a retention pin that is coaxially aligned with and disposed between the first end portion and the second end portion. The retention pin couples the first end portion to the second end portion.
General Electric Company


 Damper pin for a turbine blade patent thumbnailDamper pin for a turbine blade
A damper pin for damping adjacent turbine blades coupled to a rotor shaft includes an outer body having a center portion disposed between a first end portion and a second end portion. The first end portion, center portion and second end portion define a generally arcuate top portion of the outer body.
General Electric Company


 Damper pin for a turbine blade patent thumbnailDamper pin for a turbine blade
A damper pin for damping adjacent turbine blades coupled to a rotor shaft includes a first end portion that is axially spaced from a second end portion and a spring member that extends axially from an inner surface of the first end portion to an inner surface of the second end portion. The first end portion, the spring member and the second end portion define a generally arcuate top portion of the damper pin.
General Electric Company


 Slotted damper pin for a turbine blade patent thumbnailSlotted damper pin for a turbine blade
A damper pin for damping adjacent turbine blades coupled to a rotor shaft includes an elongated body having a center portion disposed between a first end portion and a second end portion. The first end portion, center portion and second end portion define a generally arcuate top portion of the elongated body that is configured to contact with a groove defined between the adjacent turbine blades.
General Electric Company


Shrink-fitting laminated rotor

A shrink-fitting method for a laminated rotor includes: disposing, coaxially with a laminated rotor core, an annular ring having a through-hole, at an axial end of the laminated rotor core including laminated annular steel sheets and having a through-hole extending in its axial direction; and inserting a rotor shaft into the through-holes of the ring and the laminated rotor core after heating them. A ring attachment jig having a circular internal space, where the ring is disposed, has projections projecting from an axial end surface thereof in the axial direction and arranged along a circumferential direction of the circular internal space.
Toyota Jidosha Kabushiki Kaisha

Bearing housing body assembly of an exhaust-gas turbocharger

The invention relates to a bearing housing body assembly (1) of an exhaust-gas turbocharger, having a housing (2) for a bearing arrangement (8, 9) of a rotor shaft (3); having a turbine wheel (4) on one end (5) of the rotor shaft (3); and having a compressor wheel (6) on the opposite end (7) of the rotor shaft (3), wherein an oil reservoir (10, 11) is formed in the housing (2) adjacent to the bearing arrangement (8, 9).. .
Borgwarner Inc.

Method of manufacturing light rotor shaft for eco-friendly vehicles

A method of manufacturing a light rotor shaft for eco-friendly vehicles is provided which includes cutting a pipe material in a specified length to provide a pipe blank and forming the pipe blank to provide a first form having the first segment on a first side. The method further includes, forming a second form having the second segment by inserting and rotating a first side of a mandrel into the first side of the first form and concurrently hammer-forging the second side of the first form to form the second segment.
Hyundai Motor Company

Drive system of a wind turbine

A drive system of a wind turbine includes a transmission gear configured to be connected to a wind rotor shaft, the transmission gear having a first planetary gear set and a second planetary gear set, and a generator downstream of the transmission gear. The transmission gear and the generator are mounted in sliding bearings..
Siemens Aktiengesellschaft

Power assist system with ball nut, brake boost actuator, and method

A power assist system includes a motor having a rotor shaft, a drive pulley attached to the rotor shaft, a driven pulley, a flexible belt configured to connect the drive pulley to the driven pulley, and a ball screw assembly. The ball screw assembly includes a rotatable ball screw rotatable with the driven pulley, a linearly translated ball nut surrounding the ball screw, and an anti-rotation device arranged to prevent rotation of the ball nut..
Steering Solutions Ip Holding Corporation

Cantilevered rotor pump and methods for axial flow blood pumping

Blood pump devices having improved rotor design are provided herein. Such blood pump devices include rotors having cantilevered support through a sealed mechanical bearing disposed outside a blood flow path of the device so as to avoid thrombus formation caused by blood contact with the bearing.
Thoratec Corporation

Direct drive seed metering device

A direct drive seed metering device for sowing machines comprising a rotatable vacuum chamber operated by vacuum and driven by a coaxial electric motor, the rotatable vacuum chamber comprising a seed metering disc for capturing seeds from a reservoir and laying them in a controlled manner in a furrow in the soil, where in the coaxial electrical motor couples directly and coaxially to the rotatable vacuum chamber without the need for intermediate transmission elements, redactors, gears or timing belts, and where said coaxial electrical motor is a toroidal electric motor with a hollow rotor shaft, which fluidly connects said seed capturing means with a vacuum generating means.. .

Direct drive seed metering device

A direct drive seed metering device for sowing machines operated by vacuum and driven by a coaxial electric motor, comprising a seed metering disc for capturing seeds from a reservoir and laying them in a controlled manner in a furrow in the soil, where in the coaxial electrical motor couples directly and coaxially to the metering disc without the need for intermediate transmission elements, redactors, gears or timing belts, and where said coaxial electrical motor is a toroidal electric motor with a hollow rotor shaft, which fluidly connects said seed capturing means with a vacuum generating means.. .

Oil-free screw compressor

An oil-free screw compressor with good assemblability of a shaft seal device that reduces leakage of a compressed gas, where the oil-free screw compressor accommodates male and female screw rotors in a rotor chamber of a casing, supports each screw rotor by a bearing through a rotor shaft, and has shaft seal devices in a shaft seal space. The shaft seal devices include an oil seal on the side of the bearing, a packing case on the side of the rotor chamber, and a gas seal.
Kabushiki Kaisha Kobe Seiko Sho (kobe Steel, Ltd.)

Method and adding dry colorant to landscape mulch fiber

An apparatus including an air blower; a rotary airlock; a receptacle having an inner chamber supplied with a plurality of colorant particles; a water supply; and a mixing chamber. The air blower blows air into a bottom section of the rotary airlock, and the rotary airlock receives colorant particles from an output of the receptacle.

Damped bearing of a rotor shaft

The invention relates to an arrangement for the damped bearing of a rotor shaft (1) of an electric machine. The invention also relates to an electric machine comprising a rotor shaft (1) and at least one such arrangement.
Siemens Aktiengesellschaft

Self-pumping flywheel cooling system

A flywheel system including a rotor shaft. The rotor shaft includes an inner passage therethrough, and a dam with a central opening disposed on a first end of the inner passage.
Beacon Power, Llc

Bearing assembly for supporting a rotor shaft of a gas turbine engine

In one aspect, a bearing assembly for supporting a rotor shaft relative to a support structure of a gas turbine engine may generally include a bearing including an outer race and an inner race, an outer bearing housing configured to extend radially between the outer race of the bearing and the support structure of the gas turbine engine and an inner bearing support configured to extend radially between the inner race of the bearing and the rotor shaft. In addition, the outer bearing housing and the inner bearing support each include at least one radially extending spring arm such that the outer bearing housing and the inner bearing support collectively form two springs coupled in series between the support structure and the rotor shaft..
General Electric Company

Rotating electric machine with a built-in control device and electric power assist steering system

A rotating electric machine with a built-in control device that can be downsized. The rotating electric machine with a built-in control device includes a rotor including a permanent magnet of sensor use provided on a rear side of a rotor shaft, a front side housing fixed with a first bearing supporting a front side of the rotor shaft, a motor frame including a rotor and a stator, a heat sink fixed with a second bearing supporting the rear side of the rotor shaft, a control substrate mounting a rotary sensor, a microcomputer, and a driving circuit.
Mitsubishi Electric Corporation

Totally-enclosed main motor

A rotor shaft is configured hollow from an end face on a counter driving side to the front of a proximal end portion of a main plate of a cooling fan. Ventilation holes communicating with a hollow section are provided on a side surface of the rotor shaft.
Mitsubishi Electric Corporation

Elastomeric coupling for supercharger

A coupling assembly arranged between an input shaft and a rotor shaft of a supercharger can include a first hub, a second hub and an elastomeric coupling. The first hub can be coupled to the input shaft and include a first plurality of coupling pins extending therefrom.
Eaton Corporation

System and in-situ resurfacing of a wind turbine main rotor shaft

A method is provided for in-situ resurfacing of a main rotor shaft of a wind turbine, wherein in an operational state, the main rotor shaft is coupled at a first end to a rotor hub and at the opposite second end to a gearbox or directly to a generator within a nacelle. The method includes uncoupling the rotor shaft from the gearbox or generator so as to expose an end face of the second end of the rotor shaft.
General Electric Company

Electric machine

An electric machine may include a housing, a stator arranged in the housing, and a rotor arranged in the stator and mounted on the housing so as to be rotatable about an axis of rotation. The rotor may have a rotor shaft, which may be led out through a front wall of the housing.
Mahle International Gmbh

Vertical axis wind turbine

A vertical axis wind turbine (vawt) with improved and optimized wind-directing, wind-shaping, and wind-power conversion features is disclosed. The shapes of these features directly affect the ability of the vawt to use the power of moving air, such as wind, to spin a rotor and create torque on a rotor shaft to generate electricity.
Dme Wind Energy Corporation

Sealing system for a steam turbine, and steam turbine

A sealing system for sealing a sealing gap between an outer housing and a rotor shaft of a rotor of a steam turbine, having a blocking medium wall for producing a blocking medium area between the rotor shaft and the outer housing in the region in front of and/or in the sealing gap, wherein the blocking medium wall is secured to the outer housing. The sealing system also has a blocking medium opening in the blocking medium wall in order to feed a blocking medium from the outside into the blocking medium area.
Siemens Aktiengesellschaft

Method for cooling a turboengine rotor, and turboengine rotor

A method and device for cooling a turboengine rotor. A blade member includes a platform having a hot gas side and a coolant side.
Ansaldo Energia Ip Uk Limited

Rotor shaft closeout plate

A rotor hub assembly is provided including an open rotor hub having a base plate and a plurality of rotor members mounted about a circumference of the base plate. The rotor members are configured to form a plurality of rotor blade openings between adjacent rotor members, and a central opening between all of the rotor members.
Sikorsky Aircraft Corporation

Device for controlling alternator and controlling the same

A device and a method for controlling an alternator which is connected to an engine through a pulley and an accessory belt include a drive motor connected to a rotor shaft of the alternator. A controller is configured to control the drive motor so that a rotation cycle of the rotor shaft has the same phase as a rotation cycle of a crankshaft of the engine..
Hyundai Motor Company

Method of manufacturing turbocharger and turbocharger

A method of manufacturing a turbocharger which allows easy performance of assembly operations of a motor rotor and a stator in a motor overhang structural turbocharger is provided. In a method of manufacturing a turbocharger in which a motor is attached to an end portion of a rotor shaft (15) connected to a compressor portion, the motor includes a cylindrical housing (33), a stator (32) accommodated inside the housing (33), and a motor rotor (31) which is connected to an end portion of the rotor shaft (15) with permanent magnets rotating inside the stator (32), and the method includes a rotor installation step of connecting and attaching the motor rotor (31) to the rotor shaft (15), a housing installation step of fixing and supporting the housing (33) coaxial to the rotor shaft (15), and a stator installation step of using the housing (33) as a guide, and inserting the stator (32) into the housing (33) such that the stator (32) does not directly come into contact with the motor rotor (31) to incorporate the stator (32) into the housing (33)..
Mitsubishi Heavy Industries, Ltd.

Mechanical drive architectures with hybrid-type low-loss bearings and low-density materials

Mechanical drive architectures can include a gas turbine having a compressor section, a turbine section, and a combustor section. A load compressor is driven by the gas turbine.
General Electric Company

Elastomer series coupling damper for supercharger

A coupling assembly arranged between an input shaft and a rotor shaft of a supercharger includes a first hub, a second hub, a first side coupling assembly, a second side coupling assembly, a central hub and a plurality of coupler pins. The first hub can be mounted with the input shaft.
Eaton Corporation

Steam turbine

A steam turbine includes a flow guide placed about a rotor shaft and forming a side wall of a diffuser. The flow guide is formed in such a substantially truncated conical shape that a first portion having a semi-circular-arc cross section and a second portion having a semi-circular-arc cross section and exhibiting less thermal deformation than the first portion are combined together.
Mitsubishi Hitachi Power Systems, Ltd.

Electric machine

An electric machine is described, having a stator and a rotor, the rotor comprising a rotor shaft which is configured as a hollow shaft, a closed cavity being formed in the hollow shaft, in which closed cavity a vacuum prevails, and in which closed cavity a heat-transporting medium is received, and the hollow shaft having an evaporating region (hot zone) and a condensing region (cold zone), and a steam channel being provided in the cavity, and the surface of the cavity having structures which bring about transport of the condensate of the heat-transporting medium as a result of the rotation.. .
Magna Powertrain Gmbh & Co Kg

Downhole turbine assembly

A downhole turbine assembly includes a stator housing having one or more stator blades positioned within the stator housing and extending radially inward therefrom. A rotor shaft having a first end and a second end is rotatably positioned within the stator housing and has a first portion exhibiting a first diameter and a second portion exhibiting a second diameter greater than the first diameter.
Halliburton Energy Services, Inc.

System for supporting rotor shafts of an indirect drive turbofan engine

In one aspect the present subject matter is directed to a system for supporting shafts of an indirect-drive turbofan engine. The system includes a fan frame assembly that is coaxially aligned with a centerline of the turbofan engine and positioned forward of a reduction gear that couples a low pressure rotor shaft to a fan shaft.
General Electric Company

Disc chipper for crushing lumpy feed material, particularly wood

A disc chipper for crushing lumpy feed material. The disc chipper has a crushing rotor driven by a drive unit, rotating about an axle, including a rotor shaft and a chipping disc connected in a rotationally fixed manner with the rotor shaft.
Pallmann Maschinenfabrik Gmbh & Co. Kg

Disc chipper for crushing lumpy feed material, particularly wood

A disc chipper for crushing lumpy feed material. The disc chipper has a crushing rotor driven by a drive unit, rotating about an axle, including a rotor shaft and a chipping disc connected in a rotationally fixed manner with the rotor shaft.
Pallmann Maschinenfabrik Gmbh & Co. Kg

Totally-enclosed traction motor

A traction motor comprises a stator, a rotor core, an iron core holder, a cooling fan, a rotor, a frame, a bracket, and a bearing unit. The cooling fan includes a main plate that separates the inside and the outside of the totally-enclosed traction motor; blades provided on the bracket side of the cooling fan and along a rotational direction of the rotor; and a guide provided on the bracket side of the blades.
Mitsubishi Electric Corporation

Drive device for hybrid vehicle

An engine (12) and a motor (mg2) are arranged on different rotational axes (c1, c3). A driven gear shaft (28) is arranged to rotate about the rotational axis (c3) shared with a rotor shaft (30) of the motor (mg2).
Toyota Jidosha Kabushiki Kaisha

Cooling system and air delivery system for a farm machine

A cooling system for cooling a component on a farm machine according to the present disclosure can include a rotary blower and a manifold. The rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing.
Eaton Corporation

Rotor apparatus

A rotor apparatus is provided and includes a first rotor shaft disposed to rotatably support a first rotor, a second rotor shaft disposed to rotatably support a second rotor and first and second bearing elements disposed to support the first rotor shaft within the second rotor shaft and to pre-load the first rotor shaft in one of tension and compression and the second rotor shaft in the other one of tension and compression.. .
Sikorsky Aircraft Corporation

Systems and methods for constructing downhole electric motors

Systems and methods for constructing electric motors in which rotor sections are individually keyed to a rotor shaft such that, in a resting position, the rotor sections are circumferentially shifted (“clocked”) with respect to each to mitigate effects of harmonic feedback, torsional flexibility and the like. In one embodiment, a system includes an electric drive, and an esp coupled to it by a power cable.
Baker Hughes Incorporated

Rotary electric machine rotor

A rotary electric machine rotor includes a rotor core, a rotor shaft, and a nut portion. The rotor core is made up of stacked thin magnetic plates.
Tsuda Industries Co., Ltd.

Drive device for hybrid vehicle

A first bearing device (68) rotatably supports a rotor shaft (30) of a motor (mg2) on a driven gear (24) side in an axial direction of the rotor shaft (30). A second bearing device (70) rotatably supports one (32) of a driven gear shaft (28) and an output shaft (32).
Toyota Jidosha Kabushiki Kaisha

Power transmission structure of vehicle

A power transmission structure of a vehicle, which is provided with a first rotor, a second rotor, and a metallic cylinder. In this power transmission structure, the reduction shaft and the second rotor shaft receive reaction force from the cylindrical metallic member in radially opposite directions.
Toyota Jidosha Kabushiki Kaisha

One-piece generator housing

A one-piece generator housing locates and secures the generator stator assembly, rotor bearings, and brush holder, and provides for attachment of the housing assembly to the engine interface. The disclosed one-piece housing completely encloses the stator and rotor assembly of the generator.
Illinois Tool Works Inc.



Rotor Shaft topics:
  • Rotor Shaft
  • Wind Turbine
  • Bearing Bush
  • Differential Assembly
  • Electric Drive
  • Liquid Cooling
  • Propeller Shaft
  • Heat Exchanger
  • Fluidically
  • Rotor Blade
  • Rotor Blades
  • Gas Turbine
  • Horizontal Rotor
  • Transverse
  • Longitudinal Direction


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    This listing is a sample listing of patent applications related to Rotor Shaft for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Rotor Shaft with additional patents listed. Browse our RSS directory or Search for other possible listings.


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