Class / Patent application number | Description | Number of patent applications / Date published |
310077000 | Brake | 52 |
20080290746 | Drive with an electric motor, a housing and a direction-dependent brake - A drive with an electric motor, a housing and a direction-dependent brake, which includes a driver splined to a motor shaft, a drive output coupled freely pivotable around a small angle and shape-mated with the driver, several clamping devices and a clamping ring, in which the clamping devices cooperate with the clamping ring so that the brake conveys a torque from the electric motor to the driver output and brakes a back-driving torque of the drive output. The task of the invention is to present a brake in which no static redundancy occurs, which is simple to construct and in which no abrupt blocking is possible. This task is solved according to the invention in that the clamping ring is connected radially movable to the housing, a gearbox or a part attached to the housing so that the clamping ring after overcoming a defined force can be moved at least slightly radially by a clamping device. | 11-27-2008 |
20080309178 | Geared Motor - A geared motor, for driving an adjusting mechanism, that is drivingly coupled thereto. The geared motor comprises a driving motor and at least one gear stage for reducing the motor speed. A drive unit formed by said parts is disposed in a monolithic or multipiece housing. The drive unit includes a mechanical load moment lock which is effectively connected to a gear stage and is functionally coupled to an output member of a gear stage. The load moment lock is coupled to the output member of the first gear stage that is connected downstream from the driving motor. The load moment lock is embodied as a monolithic and annular spring element. | 12-18-2008 |
20090001828 | Electric Motor with a Low Number of Revolutions, in Particular to Drive Lifting Devices - An electric motor ( | 01-01-2009 |
20090121567 | AIRFLOW GENERATOR - The present invention provides an airflow generator, which includes a plate with a rotary portion and a swinging end. The airflow generator also includes a magnetic brake unit coupled with the rotary portion. The magnetic brake unit has a second magnetizing portion, such that the rotary portion can be coupled with the movable second magnetizing portion. The magnetizing action of the magnetic brake unit enables the second magnetizing portion and the rotary portion to generate reciprocating rotation, thus driving the swinging end to generate oscillating traverse motion. The airflow generator has desirable heat-radiating efficiency, so it will be widely applied to the heat-radiating structure of various lightweight electronic devices and simplified to further cut down the manufacturing costs. | 05-14-2009 |
20090121568 | Motor assembly for window lift applications - A motor assembly ( | 05-14-2009 |
20090127949 | PERMANENT-MAGNET SYNCHRONOUS GEARLESS TRACTION MACHINE - A permanent-magnet synchronous gearless traction machine. The traction machine includes a permanent-magnet synchronous motor having a spindle; a traction wheel coupled to the spindle of the permanent-magnet synchronous motor; a first brake; and a second brake, wherein at least one of the first brake or the second brake is coupled to the traction wheel. As such, in the traction machine, since at least one of the first or second brakes is coupled to the traction wheel, the braking torque generated by the brake coupled to the traction wheel can brake the traction wheel directly, and thereby the operation safety of the elevator can be improved effectively. | 05-21-2009 |
20090127950 | ELECTRICAL MACHINE WITH MAGNETIC BRAKE DIRECTLY ON THE ROTOR - An electrical machine includes a stator having circumferentially arranged winding heads, with a winding head space being defined radially beneath the winding heads. Interacting with the stator is a rotor which has a rotatable laminated core. A magnetic brake is received in the winding head space and includes a magnet module having at least one permanent magnet which is axially resiliently fixed and constraint against rotation and which is magnetized in an axial direction, and an electromagnet which is arranged axially adjacent to the permanent magnet and securely fixed thereto. The electromagnet produces a magnetic field with a main direction oriented in an axial direction. Interacting with the at least one permanent magnet and the electromagnet is a ring-shaped armature which is secured directly and rigidly to the rotor so as to establish a fixed rotative engagement between the armature and the rotor. | 05-21-2009 |
20090251016 | Rotor for an Electrical Machine and Electrical Machine Comprising such a Rotor - The invention relates to a rotor ( | 10-08-2009 |
20090273249 | WHEEL-MOUNTED ELECTRICAL MACHINE - A hybrid-electric vehicle is provided having a respective electrical machine in each wheel thereof. Each electrical machine is of the axial-flux type, having a rotor sandwiched axially between two parts of a stator. Each electrical machine is fitted to the respective wheel such that the rotor takes the place of a disc of a disc brake system, and the stator is mounted in place of a calliper of the disc brake system. | 11-05-2009 |
20090284089 | COMPACT, ELECTROMAGNETICALLY BRAKED ACTUATOR ASSEMBLY - An actuator assembly includes a motor assembly, a harmonic drive gearbox, an actuator, and an electromagnet brake device. The actuator assembly is fairly compact in size and the electromagnetic brake device is a non-contact type of devices, making it less prone to wear as compared to many other brake devices. | 11-19-2009 |
20100079019 | WIND TURBINE GENERATOR BRAKE AND GROUNDING BRUSH ARRANGEMENT - A disc brake arrangement is provided as adapted for a wind turbine generator incorporating a rotor shaft supporting a rotor wheel and support ring for a rotor structure surrounded by a stator structure within a generator casing. The disc brake arrangement includes a brake disc mounted normal to and concentric with the rotor shaft and operatively connected to the support ring. A plurality of disc brake calipers are arranged concentrically with the rotor shaft and adapted to engage the brake disc. | 04-01-2010 |
20100231069 | MAGNETORHEOLOGICAL ACTUATORS - Provided is an actuator, comprising a motor/generator element and a clutch/brake element. The motor/generator element comprises a stator made of a high magnetic permeable material, an outer coil being wound around the stator; a rotor made of a high magnetic permeable material and with a plurality of permanent magnets fixed thereon; and a cavity configured to receive a fluid. The clutch/brake element is arranged in the cavity. An inner coil is wound around the clutch/brake element. The fluid is capable of producing a shear stress in response to an electromagnetic field induced from the inner coil. | 09-16-2010 |
20100320855 | ELECTRIC ACTUATOR FOR DRIVING A HOME-AUTOMATION SCREEN - This electric actuator for driving a home-automation screen is provided with a spring brake ( | 12-23-2010 |
20110080063 | DIRECT-DRIVE MOTOR MODULE - A direct-drive motor module employing a torque motor as a power source. The direct-drive motor module includes a transmission member having the form of a ring-shaped disc with larger radius for transmitting power. The transmission member is directly coupled with an end of the power output shaft of the torque motor, whereby the power output by the torque motor is transmitted to the transmission member to directly drive a load in a rotational manner with larger radius of gyration. Accordingly, the direct-drive motor module can directly drive the load without any reducing mechanism. In this case, the precision of positioning will not be affected due to the backlash of the gears of the reducing mechanism. Also, the number of the components of the motor module is reduced to minify the volume and save room as well as lower energy loss. In addition, the service of the motor module is facilitated. | 04-07-2011 |
20110109179 | POWER PLANT - A power plant which is capable of reducing the size and costs thereof and attaining high driving efficiency. In the power plant | 05-12-2011 |
20110109180 | POWER PLANT - To provide a power plant which makes it possible to make the power plant more compact in size, reduce manufacturing costs thereof, and improve the degree of freedom in design. The power plant | 05-12-2011 |
20110140556 | ELECTRIC MOTOR WITH PASSIVE INTEGRAL BRAKE - An electric motor ( | 06-16-2011 |
20110140557 | LINEAR ACTUATOR - A linear actuator having an output shaft with a long moving distance is provided. A linear actuator includes a rotary shaft, a motor portion having a rotor and a stator, a ball screw mechanism including a ball screw nut fixed to a first end of the rotary shaft and a ball screw, a casing assembly including a first end bracket and a second end bracket, an electromagnetic brake device including a rotary brake disc, a stationary brake disc, and an electromagnetic coil, and a brake cover for covering the electromagnetic brake device. The electromagnetic brake device has a hollow structure allowing a second end of the rotary shaft to pass therethrough. | 06-16-2011 |
20110175473 | ROTATING ELECTRICAL MACHINE APPARATUS - A rotating electrical machine apparatus comprising a motor generator | 07-21-2011 |
20110221291 | TRANSMISSION DRIVE UNIT HAVING A SELF-LOCKING DEVICE - Transmission drive unit ( | 09-15-2011 |
20110227435 | MOTOR LOCK APPARATUS AND DRIVE APPARATUS FOR VEHICLE - A motor lock apparatus which can lock a rotor by a relatively simple structure and is advantageous to downsizing. The motor lock apparatus is applied to a motor generator having a stator and rotor which are installed so as to be rotatable relative to each other about a common axis, where the rotor has circumferentially arranged salient rotor poles projecting toward the stator. The motor lock apparatus has a lock plate and an actuator. The lock plate is fixed so as not to be rotatable about the axis and is movable between a locked position at which the lock plate is inserted between the salient rotor poles of the rotor and an unlock position at which the lock plate removed from between the salient rotor poles. The actuator drives the lock plate between the locked position and the unlocked position. | 09-22-2011 |
20110254394 | Electric Motor for Roto-Linear Actuator - The electric motor consists of a rotor fitted with permanent magnets and comprises a stator the armature of which is made up of two parts: a stack of laminations forming round teeth and a solid tube-shaped field frame made of a material of the stainless steel kind enveloping the said stack of laminations. This armature constitutes a non-disengageable braking system that produces a damping effect in the face of possible movements of its rotor which are brought about and/or imposed by the members with which it collaborates. This motor can be used for driving a roto-linear actuator device with satellite rollers which is used as an actuator for manoeuvring the control surfaces of an aircraft, for example an aileron. | 10-20-2011 |
20110291503 | ELECTROMECHANICAL ARRANGEMENT FOR DRIVING AND/OR BRAKING A SHAFT - An electromechanical device for driving and/or braking a shaft ( | 12-01-2011 |
20120080969 | ROTOR, GENERATOR AND WIND TURBINE - A rotor for a generator of e.g. a wind turbine is disclosed. The rotor includes an axis of rotation, a circular rotor body and a circular stabilization structure. The circular stabilization structure is arranged at a face side of the circular rotor body. The stabilization structure includes a brake disc. | 04-05-2012 |
20120098368 | ELECTRICAL PUSH DEVICE - The present invention discloses an electrical push device, comprising a motor ( | 04-26-2012 |
20120146438 | Electromagnetic Brake and Electric Motor - To provide an electromagnetic brake and an electric motor in which, in the case of using the motor with its shaft thereof in a vertical position, static friction torque and dynamic friction torque caused by electromagnetic brake portions is reduced, thereby enabling to provide reliable motor torque on the motor output shaft, and stable braking. The electromagnetic brake includes: a hub attached to a rotating shaft and rotated with rotation of the rotating shaft; a friction plate rotated in engagement with the hub and movable in an axial direction; brake plates sandwiching the friction plate, held against rotation by the rotating shaft, and movable in the axial direction; a brake plate retainer for fixing the brake plates in a direction of shaft rotation and retaining the brake plates in an axially movable manner; a pressure transmitter for receiving pressure and pressing the brake plates; a pressure generating mechanism for generating pressure to be applied to the pressure transmitter; and a stress generating mechanism for generating stress against the pressure applied to the pressure transmitter. Also, a stepped portion is provided on at least one of the brake plate retainer and the hub. | 06-14-2012 |
20120153753 | ELECTROMECHANICAL BRAKE ACTUATOR MOTOR BRAKE - In some examples, a system includes a brake rotor, a brake armature configured to engage with the brake rotor to substantially fix a rotational position of the brake rotor relative to the brake armature, and a mechanism mechanically coupled to the brake armature. The brake armature may be configured to rotate in a first rotational direction and a second rotational direction substantially opposite the first rotational direction. The mechanism may be configured to maintain the brake armature in a fixed rotational position when a torque applied to the brake armature in a second rotational direction is less than or equal to a threshold torque value. The mechanism also may be configured to permit rotation of the brake armature in the second rotational direction when torque on the brake armature in the second rotational direction exceeds the threshold torque value. | 06-21-2012 |
20120153754 | MOTOR PROVIDED WITH A BRAKING SYSTEM - A motor having a shaft bearing a rotor, a pulley driven by the shaft, at least one caliper brake acting on a wall turning with the pulley, and at least one axial brake. | 06-21-2012 |
20120194018 | ROTATING ELECTRICAL MACHINE AND ROTATING APPARATUS - This disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft and an output shaft and employs one of a field system and an armature as a rotor and the other of the field system and the armature as a stator, including a rotating shaft to which the rotor is fixed and that is coaxially connected to the input shaft of the reduction device, and a bearing support member configured to support bearings that rotatably support the input shaft of the reduction device, wherein the stator is provided to the bearing support member. | 08-02-2012 |
20120262016 | Electrical Apparatus For Vehicles - An electrical apparatus is provided. The electrical apparatus includes a first rotation device; a second rotation device co-axially disposed with the first rotation device for electromagnetically matching with each other; and a brake device connected to the second rotation device to constrain the second rotation device from a rotation. | 10-18-2012 |
20130169088 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - The present invention provides a motor having a braking function and used in a linear actuator. The motor includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 07-04-2013 |
20130221777 | POWER TRANSMISSION DEVICE - A power transmission device is provided, the power transmission device comprising: a motor including a rotor having a permanent magnet embedded therein and a stator, and configured to generate a rotational force; a reducer configured to transmit the rotational force of the motor; and a wet brake mechanism configured to put a brake the rotation of the motor. Spaces accommodating the motor, the reducer, and the brake mechanism communicate with each other so that lubricant oil can flow through the spaces. A leakage magnetic flux at an axial end face of the rotor away from the brake mechanism is greater than that of the end face toward the brake mechanism. | 08-29-2013 |
20130249336 | MODULAR DIRECT DRIVE SYSTEM FOR AN INDUSTRIAL MACHINE - A modular drive system for use with an industrial machine having a gear case includes a motor system. The motor system includes a motor housing and a motor shaft disposed in the motor housing. The motor system has a first, non-drive end and a second, drive end. The modular drive system also includes a brake system coupled to the second end of the motor system, and a drive gear coupled to the motor shaft, the drive gear disposed between the first end and the brake system. | 09-26-2013 |
20130285493 | EXPLOSION-PROOF BRAKING DEVICE FOR AN EXPLOSION-PROOF ELECTRIC MOTOR - An explosion-proof braking device is described, which is configured to be connected to the front flange of an explosion-proof electric motor, the braking device comprising: a shaft ( | 10-31-2013 |
20140021816 | WIND TURBINE GENERATOR AND MAINTENANCE OF ITS MAIN BEARING - A generator for a wind turbine is proposed. The generator has a stator, a rotor having a rotor housing surrounding the stator, and a main bearing to support the rotor housing such that the rotor housing is rotatable about an axis of rotation. The stator has a plurality of cylindrical elements extending in parallel with the axis of rotation, and the rotor has a front element having a plurality of holes at positions alignable with the cylindrical elements, such that the rotor is fixable to the stator by inserting a fastening member through a cylindrical element and a hole aligned with the cylindrical element. | 01-23-2014 |
20140062237 | ACTUATOR - An actuator has a drive element and an output element each rotateable about a rotation axis, and a coupling device which couples the drive element to the output element to form a torsion backlash. | 03-06-2014 |
20140285043 | ROTATIONAL DAMPER - An electric rotational damper includes a generator which including a stator and a rotor; a damper housing having a housing attachment, wherein the stator is connected with the damper housing, and wherein the housing attachment and the stator in fixed rotative relationship with the damper housing; a transmission connecting a coupling lever with the rotor of the transmission of the rotational damper; a housing part connected with and co-rotating with the transmission, wherein the housing part is in surrounding relationship with the rotor, and wherein the housing attachment is in surrounding relationship with the housing part; and a centrifugal brake arranged between the housing part and the housing attachment. | 09-25-2014 |
20140300228 | Linear Actuator - A linear actuator with an electric drive device includes a stator and a rotor, wherein the stator is arranged in a fixed location in a drive housing and the rotor is mounted for rotary motion relative to the stator and with a transmission arrangement which is arranged coaxial with an axis of rotation of the drive device to convert the rotary movement of the rotor into a linear movement, wherein a threaded spindle of the transmission arrangement is non-rotatably connected to the rotor and positively coupled to a spindle nut slidably accommodated in the drive housing and connected to a torque tube, wherein bearing means for a rotatable mounting of the rotor are provided in opposite end regions of the drive housing. | 10-09-2014 |
20140300229 | MOTOR - This disclosure discloses a motor including a motor body unit configured to output rotation power, a brake unit fixed to a housing of the motor body unit with a bolt, and a collar. The collar is arranged between the motor body unit and the brake unit, and in which the bolt is inserted. The collar forms a space between the housing of the motor body unit and a fixing member of the brake unit. The collar is fixed with its end portion being inserted into at least one of the housing and the fixing member. | 10-09-2014 |
20150042191 | Brake Caliper Magnet Energy Generating Apparatus - This invention generates electric power from the rotational motion of the braking system of wheeled vehicle having brake rotors. As the brake rotor, comprised of conducting surface regions and non-conducting surface regions rotates, a magnet, which is disposed in close proximity to the brake rotor's conducting and non-conducting surface regions, generates an electric current to provide electric energy to a energy supply device, typically a battery. | 02-12-2015 |
20150069868 | INTEGRATED FLYWHEELS, SYSTEMS AND METHODS FOR ELECTRIC GENERATION AND BRAKING OF A GENERAL PURPOSE ENGINE - Systems, devices, and methods for using an engine flywheel can provide both electric power output and braking of powered equipment. In particular, an engine flywheel can include a first rotor element configured to be coupled to a drive shaft for rotation with the drive shaft, one or more magnets carried by the first rotor element, the one or more magnets being configured for positioning with respect to a stator to generate electrical current upon rotation of the first rotor element, and a second rotor element configured to be coupled to the drive shaft for rotation with the drive shaft, the second rotor element including a braking surface configured for engagement with a braking element to slow the rotation of the second rotor element. | 03-12-2015 |
20150318761 | MOTOR ARRANGEMENT - At least one motor arrangement (A | 11-05-2015 |
20160072360 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 03-10-2016 |
20160105071 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 04-14-2016 |
20160105072 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 04-14-2016 |
20160105073 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 04-14-2016 |
20160105074 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 04-14-2016 |
20160105075 | MOTOR HAVING A BRAKING FUNCTION AND USED IN LINEAR ACTUATOR - A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved. | 04-14-2016 |
20160172932 | DYNAMO-ELECTRIC MACHINE WITH A BRAKE | 06-16-2016 |
20160181890 | MOTOR BRAKE DEVICE | 06-23-2016 |
20160204673 | ACTUATION DEVICE FOR A CLUTCH DEVICE | 07-14-2016 |
20170237315 | ELECTRIC MOTOR-ATTACHED SPEED REDUCER | 08-17-2017 |