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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 8056695 | Adaptive soft start system for mower blade clutch engagement An adaptive soft start system for mower blade clutch engagement includes an engine speed sensor providing engine speed inputs to a microcontroller that provides electrical power to an electromagnetic clutch for engaging an engine to at least one mower blade. The mic... | 11/15/2011 |
| 7412316 | Method for setting a clutch torque In a method for setting the clutch torque of a clutch, especially a clutch disposed in a drive train of a motor vehicle, the clutch is adjusted using a clutch actuator. This clutch actuator has at least two actuator parts that may be positioned relative to each othe... | 08/12/2008 |
| 7347175 | Method for managing the “stop-and-start” mode in a motor vehicle equipped with an internal combustion engine A method for managing the “stop-and-start” mode in a motor vehicle equipped with an internal combustion engine; the method provides for the “stop-and-start” mode to be enabled or disabled as a function of a state of charge (SOC) of a battery of the motor veh... | 03/25/2008 |
| 7334670 | Torque vectoring differential for controlling vehicle stability A magnetorheological (MR) fluid coupling for vectoring torque with respect to a shaft capable of rotary motion is disclosed. The coupling includes a stator, a rotor having a rotational degree of freedom with respect to the stator and configured for physical communic... | 02/26/2008 |
| 7311188 | Electromagnetic clutch An electromagnetic clutch for separably coupling a drive source and a rotary shaft has a rotor to be disposed in the outside of the rotary shaft concentrically therewith. The rotor is rotated by a drive source and accommodates an electromagnetic coil. The electromag... | 12/25/2007 |
| 7238008 | Turbine blade retainer seal An annular blade retention plate for axially retaining rotor blades within slots of a rotor disk. The plate includes an annular plate web extending radially outwardly from a radially inner plate hub to a plate rim and an annular radially outwardly open outer channel... | 07/03/2007 |
| 7224253 | Assembling structure of field coil The present invention relates to an assembling structure of field coil, which has a simple mounting structure for a diode and a resistor to cut an off-noise of an electromagnetic clutch and to prevent damage of peripheral parts due to surge voltage generation when p... | 05/29/2007 |
| 7204192 | Apparatus, systems and methods for levitating and moving objects Apparatus, systems and methods for levitating and moving objects such as vehicles, doors and windows are shown and described herein. The embodiments incorporate a track with lower rails having lower permanent magnets and the object with upper rails having upper perm... | 04/17/2007 |
| 7182194 | Low power modulating clutch control system with combination accumulator and piston actuator A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member an... | 02/27/2007 |
| 7178654 | Low power modulating clutch control system A power transmission device includes a rotary input member adapted to receive drive torque from a source of torque, a rotary output member adapted to provide drive torque to an output device and a torque transfer mechanism operable to transferring drive torque from ... | 02/20/2007 |
| 7153228 | Power transmission A power transmission includes a first rotating member driven by an external drive source, an electromagnetic solenoid provided to the first rotating member, a second rotating member fixed to a main shaft of a rotary apparatus, and an mechanism for engaging and disen... | 12/26/2006 |
| 7147094 | Drive power transmission control device A drive power transmission control device is provided with an electromagnetic drive power transmission device and an ECU for controlling the application of electric current to an electromagnetic coil of the drive power transmission device. The ECU is bodily provided... | 12/12/2006 |
| 7131825 | Spindle-motor driven pump system The present invention is a compact pump that is powered by a brushless DC spindle-motor, as used in disk drives and CD-ROM drives. A hard drive type spindle-motor is a brushless DC motor that is highly balanced, very reliable, available at low cost, and is capable o... | 11/07/2006 |
| 7124870 | Power transmitting mechanism and power transmitting method A mechanism for mechanically coupling a driving source and a driven member. The mechanism includes a first member coupled to the driving source and a second member coupled to the driven member. A resilient member exerts a force to bring the first and second members ... | 10/24/2006 |
| 7070034 | Electromagnetic clutch and manufacturing method of magnetic path forming member therefor An electromagnetic clutch includes a first magnetic member with a large-diameter cylindrical portion made of a magnetic metal and a second magnetic member with a small-diameter cylindrical portion made of a magnetic metal and contained in the large-diameter cylindri... | 07/04/2006 |
| 7025187 | Electromagnetic clutch assembly An electromagnetic clutch assembly of the leaf spring type has leaf springs the inner ends of which are fixed to a drive plate by conventional rivets, and the outer ends of which are fixed to the armature plate by special rivets having enlarged diameter shanks that ... | 04/11/2006 |
| 7004136 | System for transmitting drive from the crankshaft of an internal combustion engine of a motor vehicle to a group of auxiliary devices The system includes at least one transmission belt operable to couple the drive shafts of auxiliary devices with a pulley operatively connectable to the crankshaft of the internal combustion engine, and a servo controlled clutch operable selectively to control the c... | 02/28/2006 |
| 6998723 | Electrical generating system having a magnetic coupling An electrical generating system includes an electric motor coupled to a variable power source. A variable coupling is connected to an output shaft of the motor. The variable coupling includes opposed first and second plates each having permanent magnets affixed ther... | 02/14/2006 |
| 6982502 | Hybrid electric linear actuator A hybrid linear actuator features a central load shaft on which a plurality of solid-state magnetostrictive thrusters are positioned in operative relation to electric motors of a permanent magnet synchronous type to impart linear thrust force to the load shaft throu... | 01/03/2006 |
| 6964327 | Ultrasonic clutch An ultrasonic clutch includes a driving element, a driven element and at least one alternating current (AC) power source. The driving element and the driven element are connected to a shaft of a driving device and an output axle of a loading, respectively. At least ... | 11/15/2005 |
| 6949854 | Method and apparatus for a continuously variable-ratio transmission A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ... | 09/27/2005 |
| 6793059 | Auxiliary machine drive system of automatic engine stop-restart system equipped automotive vehicle In an auxiliary machine drive system of an automatic engine stop-restart system equipped automotive vehicle capable of automatically stopping or restarting an engine depending on vehicle operating conditions, an electromagnetic clutch is disposed between the engine ... | 09/21/2004 |
| 6769524 | Electromagnetic clutch and rotation transmission device The magnetic attraction force of an electromagnetic coil in an electromagnetic clutch is increased in a limited installation space, thereby improving reliability of operation. The dimensions of a field core housing the electromagnetic coil and a rotor are optimized ... | 08/03/2004 |
| 6725992 | Electromagnetic clutch control providing enhanced engagement Engagement characteristics of electromagnetic friction clutch pack assemblies disposed in, for example, motor vehicle transfer cases are improved, especially at the transition between static and dynamic friction modes, by superimposing a random noise signal on an ot... | 04/27/2004 |
| 6702678 | Power transmission by magnetized ball coupling A mechanical ball coupling or clutch comprises a plurality of magnetizable balls located between inner and outer concentric caged needle rollers without raceways. The caged needle rollers are concentric with the axis of a hollow non-magnetic rotatable sha... | 03/09/2004 |
| 6672818 | Magnetically driven pump A magnetically driven pump comprises a sealing partition 48 whereof the central portion forms the rotational axis of the rotating portion of the pump, that central portion being itself supported and centered by a rotating connection piece 42 linked to or ... | 01/06/2004 |
| 6564916 | Frictional engaging device and frictional engagement control method A frictional engaging device and frictional engagement control method, wherein the phenomenon of the frictional coefficient of the friction surfaces of a friction engagement device being changed when an electric field is applied to the friction surfaces, ... | 05/20/2003 |
| 6557686 | Electro-magnetic actuator having a shortened magnetic flux flow loop An electro-magnetic actuator includes a shaft having a first end portion and a second end portion and a nut having an inner peripheral surface and an outer peripheral surface. The inner peripheral surface of the nut is coupled with the first end portion o... | 05/06/2003 |
| 6548929 | Eddy current fan drive An eddy current fan drive cooling system is operable in a vehicle having a sheave rotating at a speed related to an engine speed. A driving assembly of the cooling system is attached to the sheave. A plurality of poles are exposed around an outer perimete... | 04/15/2003 |
| 6543595 | Driving force distribution device for vehicle A driving force distribution device which controls the engagement forces of electromagnetic clutches and which govern the torque distribution between the driving wheels of a vehicle by calculating a target magnetic flux density and converting the same int... | 04/08/2003 |
| 6536570 | Power transmission device for hybrid cars This invention pertains to a power transmission device suited for use in a hybrid car for selective transmission of its engine and motor powers. The power transmission device is used to transmit and cut off driving forces from an internal combustion engin... | 03/25/2003 |
| 6401558 | Automated gear change for an automobile vehicle, in particular for an industrial vehicle An automated gear change for an automobile vehicle, in particular for an industrial vehicle, provided with an input shaft, an output shaft, a geared transmission interposed between these input and output shafts and including an auxiliary shaft and a plura... | 06/11/2002 |
| 6397995 | Method for controlling a clutch for an engine-powered system in an automotive vehicle A method for controlling a clutch 24 for an engine-powered system 26 in an automotive vehicle 10 is provided. In one embodiment, the engine-powered system 26 is an air conditioner system. The method includes the step 58 of generating an engine roll signal... | 06/04/2002 |
| 6385988 | Dustproof implement A dustproof implement applied to a clutch to be attached to a compressor in an air-conditioning system loaded on a working vehicle, comprises a plate to be disposed opposite to an annular recess of a rotor of the clutch and fixed at the compressor, and an... | 05/14/2002 |
| 6340276 | Thread-cutting apparatus with reversal of direction of rotation A thread-cutting apparatus with reversal of the direction of rotation with a sun-and-planet gear with an axially displaceable reversing device for reversing the direction of rotation of a drill, held in the grip of a spindle, which can be pulled out prefe... | 01/22/2002 |
| 6244403 | Power transmission device for hybrid cars This invention pertains to a power transmission device suited for use in a hybrid car for selective transmission of its engine and motor powers. The power transmission device is used to transmit and cut off driving forces from an internal combustion engin... | 06/12/2001 |
| 6230866 | Electromagnetic coupler An electromagnetic coupler couples a first rotating element with a second element with a torque transfer between the first and second elements. The coupling is solely by a magnetic field which can be fully coupled, fully uncoupled or modulated to provide ... | 05/15/2001 |
| 6208053 | Adjustable torque hysteresis clutch A hysteresis slip clutch having an adjustable stall torque is provided. The clutch components include first and second rotors, with a housing at least partially enclosing the rotors. An annular permanent magnet is rigidly mounted on the first rotor and an... | 03/27/2001 |
| 6161671 | Electromagnetic clutch An electromagnetic clutch has an armature, a rotor housing accommodating a stator housing and an exciting coil having negative and positive terminals. A passage is formed to extend from an outer peripheral surface of the stator housing to the negative ter... | 12/19/2000 |
| 6129193 | Electric fan clutch A magnetic slip clutch system that can be used tin a number of different applications where a slip clutch is desired to be used; and particularly, to applications where the clutch is desired to be fully disengaged, i.e., free-wheeling, fully engaged to tr... | 10/10/2000 |
