Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8008877 | Electrically-driven dump truck An electrically-driven dump truck 1 uses resistors to convert electric power generated during retarder braking operation into heat energy. A body frame 2 has front and rear wheels, a support base 2A, a cab 4 mounted on an upper left surfa... | 08/30/2011 |
| 7423393 | Car control method and car control apparatus A car control apparatus including a wheel sensor, wheel torque calculating means for calculating wheel torque from the wheel speed, drive force detecting means for detecting drive force generated by an electric motor, car body drive force calculating means for calcu... | 09/09/2008 |
| 7345441 | Rotation-type working machine A parking brake is released by a controller and a rotating electric motor is speed-feedback-controlled or position-feedback-controlled to stop and hold an upper rotating body if at least one of arm operation, bucket operation, and travel operation is carried out in ... | 03/18/2008 |
| 7327110 | Drive circuit for braking a motor during a malfunction A drive system with an electric motor is described, which includes an integrated armature short-circuit brake and a mechanical brake. If the electric motor cannot be controllably slowed down, a control signal is applied at an activation time to the integrated armatu... | 02/05/2008 |
| 7307399 | Systems for managing electrical power Certain exemplary embodiments comprise a system comprising a plurality of Active Front End units adapted to be electrically coupled to a direct current (DC) bus. Each of the plurality of Active Front End units can be adapted to be electrically coupled to a separate ... | 12/11/2007 |
| 7291997 | Servo system A motor has built therein a brake for stopping the rotation of the motor and a brake controlling circuit for controlling the brake. The motor is further provided with a bypass circuit for supplying an electric power directly to the brake and a terminal for connectin... | 11/06/2007 |
| 7201366 | Electronic winch monitoring system An electronic winch monitoring system for a winch having a fixed-ratio gearbox with input and output shafts, a winch drum connected to the output shaft, and an auxiliary brake connected to the output shaft activated by reducing the pressure in a brake release hydrau... | 04/10/2007 |
| 7187517 | Magnetic brake for disk drive A magnetic brake to prevent rotation of the spindle motor and disk(s). The magnetic brake includes two magnets, one attached to the spindle, clamp, disk, or motor, and the other magnet is coupled to the drive housing or to a movable member. Before the drive is insta... | 03/06/2007 |
| 7170246 | Motor control apparatus A motor control apparatus supplying braking power to brake a motor comprises a braking power providing unit to receive input power having an input power voltage lower than a braking power voltage and to boost the input power voltage up to the braking power voltage t... | 01/30/2007 |
| 7166977 | Indurstrial robot controlling device Since a release voltage to a brake is applied by a plurality of series-connected contacts and at least one contact is a normally open contact of a relay for controlling a driving power supply of a motor, a control apparatus having a high safety characteristic for an... | 01/23/2007 |
| 7148652 | Method and apparatus for determining and handling brake failures in open loop variable frequency drive motors A controller for a variable frequency drive monitors electrical power from a variable frequency drive motor while a brake is maintaining a load driven or moved by the motor without requiring additional feedback components of a closed loop configuration. If excess el... | 12/12/2006 |
| 7091647 | Micromechanical device having braking mechanism The present invention provides a brakeable microapparatus comprising a substrate and a structure overlying the substrate and movable relative to the substrate. A frictional brake overlies the structure and is movable into frictional engagement with the structure for... | 08/15/2006 |
| 7067999 | Rotation control device of working machine In a neutral range preset, there are set a zone for stopping and holding a rotating body only by a mechanical brake, a zone for holding the body only by performing position holding control, and a zone for simultaneously exerting both effects, i.e., the effect of the... | 06/27/2006 |
| 7063306 | Electronic winch monitoring system An electronic winch monitoring system for a winch having a fixed-ratio gearbox with input and output shafts, a winch drum connected to the output shaft, and an auxiliary brake connected to the output shaft activated by reducing the pressure in a brake release hydrau... | 06/20/2006 |
| 7034482 | Regeneration control for hybrid vehicle Disclosed is a control apparatus for a hybrid vehicle having an engine, a drive motor (3) that regenerates power, and an electric power storage device (6) that gives/receives power to/from the drive motor (3). The control apparatus includes powe... | 04/25/2006 |
| 6994199 | Load torque blocking device The invention concerns a load torque lock for automatically locking load-side torques in the case of a decrease or cessation of a drive-side torque having a housing (11) fixed to a frame, a locking ring (17) permanently connected to it and a locking bo... | 02/07/2006 |
| 6967450 | Moving banner display improvements Enhancements for moving displays in general, and in particular, dynamic signage and kinetic sculpture. More specifically, the present invention relates to improvements on moving banners (18) for use within entertainment, advertising, signage, art, theater, pe... | 11/22/2005 |
| 6938735 | Electromechanical wheel brake device An electromechanical wheel brake device has a helical gear for converting the rotating motion of an electric motor into a translating motion of a brake piston in order to press a brake pad against a brake disc in an advancing stroke or in order to release the brake ... | 09/06/2005 |
| 6902048 | Clutch The present invention provides various clutch/gear assemblies that can be driven by a single motor. The clutch/gear assemblies comprise a smart material which changes shape when supplied with energy, e.g., current or heat. The smart material achieves one of a first ... | 06/07/2005 |
| 6831432 | Motor driving device and motor driving method Brake mode switching signal production means detects the number of revolutions per unit time of a rotor according to a change in a positional relationship between motor windings of a plurality of phases and the rotor so as to output first and second brake mode switc... | 12/14/2004 |
| 6774595 | Device and method for monitoring a brake-applying electromechanical device for vehicle brakes The invention concerns a device and a method for monitoring an electromechanical brake-applying device designed for motor vehicle brakes. Said electromechanical brake-applying device comprises the following elements: a control member comprising an electric motor pro... | 08/10/2004 |
| 6731084 | Anti-rollback system for an electric motor and method therefor The present method and system allows minimization of a rollback effect when an electric vehicle, such as a wheelchair, brakes on a slope. The system comprises secondary brake, a controller, and a monitor that allows to apply both a control voltage and the secondary ... | 05/04/2004 |
| 6687593 | Combined regenerative and friction braking system for a vehicle A combined regenerative and friction braking system for the road wheels of a vehicle includes a friction braking subsystem, a regenerative braking subsystem coupled to the road wheels equipped with the friction braking subsystem, and a brake system contro... | 02/03/2004 |
| 6633146 | Braking device for electrical tool A braking device for an electrical tool and including an actuation member (1), a braking drum (4) secured on the shaft of the electrical tool for joint rotation therewith, and a braking member (5) secured on the actuation member for joint displacement the... | 10/14/2003 |
| 6531839 | Circuit and method for motor control Disclosed is an optimized brake method for braking a motor rotating at a high speed. When the motor rotates at the high speed, the present invention reduces the rotation speed of the motor using a mechanical brake method which has a relatively high rate o... | 03/11/2003 |
| 6498448 | Motor break releasing device A motor brake releasing device includes an electromagnetic brake for locking a motor shaft and a switch mounted between the electromagnetic brake and a releasing-power-supply for the brake. The switch can be operated by an AND signal produced by a motor d... | 12/24/2002 |
| 6452350 | Linear drive A linear drive to drive an article of furniture includes at least one drive motor that is coupled with a linearly moveable driven member and a braking system with a controlled braking element which commences the braking function without delay. The braking... | 09/17/2002 |
| 6441573 | Blended electrical/friction braking system with electric brake feedback monitor and method of use thereof A blended electrical/friction braking system includes an electric brake feedback monitor which monitors a first signal corresponding to an electric brake effort request of an electric motor of an electrically powered vehicle. The electric brake feedback m... | 08/27/2002 |
| 6333611 | Motor drive apparatus for an injection molding machine A motor drive apparatus is provided in an injection molding machine in order to supply electrical energy to a motor. The motor drive apparatus includes an electricity accumulation unit for accumulating electrical energy; and an electricity accumulation ci... | 12/25/2001 |
| 6294887 | Motor brake device for a robot A brake release circuit of an electromagnetic brake for locking a motor and an indication circuit for indicating a brake release are coupled together. Both the circuits may be turned on and off by a single switch contact. A motorbrake release device secur... | 09/25/2001 |
| 6160368 | Faster spin-down operation in a disk drive by utilizing pulsed braking A disk drive includes a spindle motor having windings and a spindle motor driver including switching elements connected to the windings. Spin-down instructions are stored in a memory. A microprocessor is responsive to a spin-down command to receive and ex... | 12/12/2000 |
| 6097165 | Method and apparatus for handling brake failure in variable frequency drive motors The variable frequency drive of a motor monitors pulse generator feedback while the motor is stopped and an electromechanical brake is set. When the pulse generator feedback exceeds a predetermined level indicative of brake failure, tie controller actuate... | 08/01/2000 |
| 5962998 | Circuit for automatic operation of a series brake upon detection of armature current loss A circuit for initiating the setting of a series brake upon detecting a loss of armature current in an overhauling DC crane motor. The circuit includes an ammeter shunt, a meter relay and associated contact, a meter relay power supply, a control relay and... | 10/05/1999 |
| 5892341 | Quick set electric motor brake control A control circuit (10) is provided for an electric motor brake (12) having an electromagnetic brake coil (14) energizable to actuate the brake to a released condition permitting rotation of an electric motor (16), and de-energizable to enable actuation of... | 04/06/1999 |
| 5782322 | Brake actuator The invention is directed to a brake actuator (2) having a transmission including an electric motor (6) as a drive element, a converting device for converting the rotational movement of the electric motor (6) into a linear movement and a hydraulic transmi... | 07/21/1998 |
| 5621295 | Device for driving using an electric motor comprising means for measuring the displacement of the driven body Device for driving a body by means of an electric motor, comprising mechanical means for measuring the displacement of said body which are kinematically linked to the body and are equipped with switches (ID, IM) actuated by the mechanical measurement mean... | 04/15/1997 |
| 5530328 | Consist power monitor A consist power monitor provides information to the engineer of a multiple unit consist on the ability of each locomotive to provide traction power and dynamic braking. The consist power monitor is a microprocessor based device which communicates with oth... | 06/25/1996 |
| 5406180 | Electric motor brake The present invention provides an internal braking system for use with electric motors, particularly electric motors used with rotary actuators. The braking system includes a brake which has a spindle disposed at least partially between the rotor and a sh... | 04/11/1995 |
| 5324106 | Brake for an electric drive motor A drive motor comprises a motor body (5) for rotating a motor shaft (11) in a predetermined forward direction; a brake engagement surface (30) formed at a projection (14) which is projected from a part of the motor shaft; claw piece (15) which engages wit... | 06/28/1994 |
| 5306989 | Electric motor brake The present invention provides an internal braking system for use with electric motors, particularly electric motors used with rotary actuators. The braking system includes a brake which has a spindle disposed at least partially between the rotor and a sh... | 04/26/1994 |
