Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7911101 | Electric motor and an actuator having the same In an electric motor of an SBW actuator, a rotor shaft is rotated upon energization of the motor. A rotor core is rotated integrally with the rotor shaft. A resilient member enables tilting or decentering of the rotor shaft upon application of a decentering force on... | 03/22/2011 |
| 7320185 | Drive device for a household appliance and method for mounting an electric motor A drive device for a household appliance, in which an electromotor is fixed by a fixing screw. An insulation layer of a material with a defined conductivity is located between the fixing screw and the electromotor. The fixing screw is tightened with a defined torque... | 01/22/2008 |
| 7288867 | Drive for an adjuster device in a motor vehicle A drive for an adjuster device in a motor vehicle. The drive includes a drive motor, a drive element mounted to rotate about a drive axis, and a self-locking device for the drive element, which, when the drive motor is not energized, locks the drive element with the... | 10/30/2007 |
| 7276833 | Electromagnetic retarder system and method An electromagnetic retarder system is disclosed. In one embodiment, the retarder system comprises: a shaft; a coil statically disposed on the shaft and having a hollow cylindrical shape; a yoke statically disposed on the shaft, the yoke having a first cylindrical su... | 10/02/2007 |
| 7259485 | Magnetic brake for window covering powered by DC motor A braking magnet is attached to the housing of a motor of a motorized component such as a window covering. With this structure the motor is braked from turning under the weight of the window covering when deenergized. ... | 08/21/2007 |
| 7245052 | Wheel hub drive A wheel hub drive for a running wheel (10) is described. The drive having a transmission (7), a motor (8) and a brake (11), such that the enveloping circle (9) of the wheel hub drive is determined by the running wheel and the trans... | 07/17/2007 |
| 7226378 | Driving device for automatically exerting a variable torque on an output shaft that rotates at a constant speed A driving device includes a power supply unit and a torque converter. The power supply unit outputs a constant power. The torque converter has a gear train that is connected to the power supply unit and interconnects a flywheel and an input shaft in order to respect... | 06/05/2007 |
| 7190086 | Wind energy plant with an asynchronous machine for determining the azimuth position An asynchronous machine has a first rotor/stator arrangement in which the rotor is connected to a shaft, and a method of controlling such an asynchronous machine is provided. A drive is provided which permits nullification of the play of the mechanical components in... | 03/13/2007 |
| 7176597 | Electromagnetic retarder for a vehicle An electromagnetic retarder (1) for a vehicle includes a disc (20), a first rotor (5) and a second rotor (6), the disc being arranged to couple the first rotor and the second rotor to a transmission shaft of a vehicle. In order to facilit... | 02/13/2007 |
| 7175003 | Disk brake device for vehicle A hub-side mounting part formed with the side surface of a wheel hub is provided so that an outer diameter thereof is larger than a diameter of a mounting pitch circle of a disc rotor. A hub-side through-hole and a rotor side through-hole, which are formed therein t... | 02/13/2007 |
| 7167364 | Cooler with blower between two heatsinks A cooler for cooling of electronic components comprises at least two heatsinks thermally connected with each other by heat spreading means, and a double inlet centrifugal blower comprises a casing with two inlets and an outlet, a radial impeller with an axle and an ... | 01/23/2007 |
| 7141901 | Downhole torque-generating and generator combination apparatus A combination of a torque-generating apparatus with an alternator/generator. The torque-generating apparatus comprises a first assembly (10, 25) including a generally cylindrical member of magnetically soft material and having a longitudinal axis, and a secon... | 11/28/2006 |
| 7138737 | Brake device for an electric motor A braking device for an electric motor includes a rotor (10) and a stator, in particular for a direct current series wound motor and a brake element (20) which is movable between a braking position and an operating position; a brake shoe (30) th... | 11/21/2006 |
| 7105959 | Cooling jacket and motor unit with cooling jacket A cooling jacket for an electric motor and a motor unit with a cooling jacket mounted on an electric motor having simple structure and capable of being manufactured with reduced number of processes. A cooling pipe made of copper and the like is bent, and held by pla... | 09/12/2006 |
| 7088011 | Motor-generator system with a current control feedback loop A motor-generator system with a current control feedback loop for generating electrical energy in stationary, portable, and automotive applications. The generator includes a housing defining an interior space and including a first portion and a second portion; an el... | 08/08/2006 |
| 7086837 | Centrifugal blower fan It is the object of the present invention to provide a centrifugal blower fan capable of reducing a noise in an operating rotational speed range without degradation in blàwer performance. A centrifugal blower fan comprises a base plate, and a plurality of fan blade... | 08/08/2006 |
| 7066721 | Ceiling fan motors An inside-out ceiling fan motor has a stator mounted to a downrod with an annular array of stator coils positioned about a rotor axis of rotation. A rotor is rotatably mounted about the stator. The rotor has a plurality of vanes spaced along the rotor periphery and ... | 06/27/2006 |
| 7057321 | Eddy current deceleration device An eddy current deceleration device comprises: a rotor mounted on a rotary shaft; a first magnet ring arranged facing this rotor and including permanent magnets that are arranged at prescribed intervals in the circumferential direction and such that the poles thereo... | 06/06/2006 |
| 7051846 | Disc brake for vehicles An electric heat-generating circuit installed within disc brakes of vehicles to generate heat and dry the discs when current flows. An electromagnetic induction unit generates a current to the electric heat-generating circuit by using an electromagnetic induction ph... | 05/30/2006 |
| 7018324 | Magnetic controlled loading device in combination of a power generating set and an adjusting drive mechanism A magnetic controlled loading device in combination of a power generating set and an adjusting drive mechanism having a flywheel, a shaft, a transmission element, a magnetic controlled loading device, a micro power generating set and an adjusting drive mechanism int... | 03/28/2006 |
| 6967418 | Magnetic brake for powered window covering Two braking magnets are attached to the housing of a motor of a motorized component such as a window covering, with one magnet north face down and the other magnet south face down. With this structure the motor is braked from turning under the weight of the window c... | 11/22/2005 |
| 6953107 | Magnet track braking device The disclosure relates to a magnet track braking device comprising a magnetic base and/or support body and a pole shoe section containing a magnetic flow guiding area and a magnetic flow separating area. The disclosure is characterized in that the magnetic base and/... | 10/11/2005 |
| 6952063 | Braking assembly with manageable self-generating power energy A braking assembly with a manageable self-generating power energy is disclosed. A pair of curved braking plates are disposed between the stator and the rotor. A pulling mechanism is provided on the stator for pulling two free ends of two curved braking plates. A plu... | 10/04/2005 |
| 6948597 | Eddy current deceleration device An eddy current deceleration device includes a rotor mounted on a rotary shaft; a first magnet ring arranged facing this rotor and including permanent magnets that are arranged at prescribed intervals in the circumferential direction and such that the poles thereof ... | 09/27/2005 |
| 6922006 | Geared motor for a window regulator and method for operating the window regulator A window regulator includes an electric motor having a drive shaft, a window slider, a transmission having an input driven by a drive shaft and an output driving the slider. A geared motor includes a drive shaft, a reduction gear coupled to the drive shaft and havin... | 07/26/2005 |
| 6920669 | Catch between two assemblies moveable in relation to one another A catch for two objects moveable in relation to one another, in particular a door catch, includes a cylinder, which is operatively connected to a first object, a friction surface carrier, which is operatively connected to a second object, a friction element for crea... | 07/26/2005 |
| 6909213 | Actuating device, particularly for actuating locking differentials on vehicles An actuating device, specifically to actuate locking differentials on vehicles, having an actuating shaft, a drive unit to drive the actuating shaft, where the drive unit comprises an armature core non-rotatably mounted on the actuating shaft and a commutator non-ro... | 06/21/2005 |
| 6900569 | Increased torque in retarder brake system through use of conductive layer Electromagnetic retarder brake systems, and methods for their use, are provided utilizing specified thickness conductive layers. The specified thickness of the conductive layer in each system is determined to obtain a certain desired torque at a certain desired low ... | 05/31/2005 |
| 6888273 | Integrated motor and clutch assembly An integrated motor and clutch assembly is provided, which includes a housing that rotatably supports an input shaft and an output shaft. A selectively engageable friction clutch is disposed between the input shaft and the output shaft for transferring torque thereb... | 05/03/2005 |
| 6867946 | Disk drive employing a spindle motor comprising a locking spring arm disengaged through stator coil flux A disk drive is disclosed comprising a disk, a head actuated radially over the disk, and a spindle motor for rotating the disk. The spindle motor comprises a stator having at least one stator coil wrapped around a stator tooth. The spindle motor further comprises a ... | 03/15/2005 |
| 6820728 | Integrated retarder and accessory device The invention comprises a retarder system for use with road vehicles. The retarder system discloses an improved vehicular retarder which incorporates the use of a PMG Gear ratio which permits use of a permanent magnet generator on a secondary shaft that is coupled b... | 11/23/2004 |
| 6806602 | Electromechanical wheel brake device The invention relates to an electromechanical wheel brake device, with an electric motor that can press a frictional brake lining against a brake body (brake disk) by a reduction gear (planetary gear) and a rotation/translation conversion gear (ball screw). The inve... | 10/19/2004 |
| 6794778 | Braking system for powered window covering Small permanent magnets are affixed to the protruding portion of a rotor of a motor that is coupled to gears in a gear enclosure. The rod of a window covering is coupled to the gears such that when the motor is energized by a user command signal, the window covering... | 09/21/2004 |
| 6761254 | Brake assembly, in particular for cyclists' training device Brake assembly for cyclists' training device, provided with a support structure (7) on which there is rotatably mounted a shaft (10) having, keyed thereto, a roller (6) rotating in contact with the rear wheel of a bicycle. An end portion (12 | 07/13/2004 |
| 6744162 | Safety locking device for electromechanical equipment and aircraft wheel brake equipped therewith A safety locking device for electromechanical equipment provided with a rotating shaft, particularly an aircraft wheel brake with a safety locking device. The device comprises a first friction element connected rotationally to the shaft, and a second friction elemen... | 06/01/2004 |
| 6740997 | Front brake of an electric motor The front brake of an electric motor has mechanical structure and is fitted on the output spindle at the front end of the electric motor, able to diminish the dimensions of an electric motor and save cost, and having no problem pertaining to circuit control and powe... | 05/25/2004 |
| 6731034 | Electric motor with electromagnetic brake An electric motor with an electromagnetic brake is disclosed, particularly for use in an angle grinder, which has a stator having at least one pole pair, in which at least one pole has a pole shoe which points to the inside towards the rotor periphery and is surroun... | 05/04/2004 |
| 6700246 | Tubutor motor A tube motor with an electric motor drive with a drive shaft located in a gear box. A reducing gear with a driven shaft is located in a gear box and coupled with the drive shaft via a gear input shaft for rotary securing of the driven shaft especially whe... | 03/02/2004 |
| 6642636 | Stepper motor driving assembly with positive brake An automatically acting braking system for a stepper motor (10) of the type having a rotor (18) that is radially centered within a stationary stator (12) and which rotates about the central axis of a central shaft (30). The rotor (18) is allowed to axiall... | 11/04/2003 |
| 6559564 | Bicycle hub with generator and antilock functions A bicycle hub includes a hub axle and a hub shell including a first tubular member having a first hub flange secured thereto and a separate second tubular member having a second hub flange secured thereto. Bearings are disposed between the hub shell and t... | 05/06/2003 |
