Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7053746 | Pencil ignition coil A magnetic core assembly for an ignition coil assembly allows unique exterior shapes to be formed by an outer insulation layer, while speeding up the manufacturing process. Generally, the magnetic core assembly comprises a core of ferromagnetic material and an overm... | 05/30/2006 |
| 7045983 | System for controlling motor speed by altering magnetic field of the motor The present invention provides a system for controlling the speed of a motor by altering the magnetic field of the motor. The system includes field modification module, and a motor having field windings and a rotor. The field windings are configured to receive a dri... | 05/16/2006 |
| 6695473 | Diagnostic system and method for a motor vehicle A diagnostic system for a motor vehicle comprises a component installed within motor vehicle. The system further includes an identifier device mechanically coupled to the component. The identifier device comprises an identifying portion which identifies t... | 02/24/2004 |
| 6669275 | Vehicle pillar structure A driver's compartment for a vehicle includes an A-pillar structure (28) having an exterior surface (30) and an interior surface (32). The A-pillar (28) has a plurality of openings (34) formed in the A-pillar (28) that extend from the interior surface (32... | 12/30/2003 |
| 6644705 | Interior system for a motor vehicle An interior system for a motor vehicle comprises two front seats and a rear seat disposed rearwardly of the front seats and adjustable through a range of positions including a forwardmost and a rearwardmost position. The system also includes a first conso... | 11/11/2003 |
| 6583599 | Method and apparatus for controlling battery charging in a hybrid electric vehicle A starter/alternator system (24) for hybrid electric vehicle (10) having an internal combustion engine (12) and an energy storage device (34) has a controller (30) coupled to the starter/alternator (26). The controller (30) has a state of charge manager (... | 06/24/2003 |
| 6428087 | A-pillar structure for a vehicle A driver's compartment for a vehicle includes an A-pillar structure (28) having an exterior surface (30) and an interior surface (32). The A-pillar (28) has a plurality of openings (34) formed in the A-pillar (28) that extend from the interior surface (32... | 08/06/2002 |
| 6359800 | Direct current electric power generation system with variable speed alternating current generators A method and system for increasing the output of an alternator for an automotive vehicle has a first three-phase winding (18) and a second three-phase winding (20) that are coupled to a respective first rectifier circuit (26) and a second rectifier circui... | 03/19/2002 |
| 6327524 | System for high efficiency motor control A device for high efficiency motor control includes an induction motor and a controller. The induction motor generates a motor torque and has a given rotor resistance and magnetizing inductance at a specific temperature. The controller is coupled to and c... | 12/04/2001 |
| 6291960 | Pulse width modulated motor control system and method for reducing noise vibration and harshness An apparatus for reducing motor noise in a motor driven system (12) has a sensor (22) coupled to the system that generates an electrical signal indicative of a system operating parameter. A controller (24) is coupled to the motor (14) and the sensor (22).... | 09/18/2001 |
| 6263267 | Traction control system for a hybrid electric vehicle An electric motor system for reducing drive wheel torque on a hybrid electric vehicle includes an internal combustion engine, an electric motor, a transmission, and a controller. The internal combustion engine is located in the hybrid electric vehicle and... | 07/17/2001 |
| 6233935 | Method and apparatus for starting an engine having a turbocharger A system (40) for starting an internal combustion engine (12) of an automotive vehicle (10) has a controller (54) coupled to a starter/alternator (42). The engine (12) has a crankshaft (50) and a turbocharger (24). The controller (54) initiates the starti... | 05/22/2001 |
| 6211653 | Method and apparatus for measuring the state-of-charge of a battery An apparatus 10 for measuring the state-of-charge of a battery 14. Apparatus 10 includes a shunt resistor 18, a pair of capacitors 64, 66, and a controller 20. Controller 20 selectively and alternatively measures the electrical charge of battery 14 with a... | 04/03/2001 |
| 6212085 | Integrated dual voltage sourced inverter An inverter circuit system for controlling the voltage level at the neutral point of a three-phase wye-connected load. A dc voltage source such as a pair of batteries in series and having first and second poles is connected by one pole to an inverter bus ... | 04/03/2001 |
| 6196344 | Control system and method for a hybrid electric vehicle Several control methods are presented for application in a hybrid electric vehicle powertrain including in various embodiments an engine, a motor/generator, a transmission coupled at an input thereof to receive torque from the engine and the motor generat... | 03/06/2001 |
| 6192847 | Method and apparatus for selectively controlling the speed of an engine A control assembly 12 for use within a vehicle 10 having an engine 14 and which selectively controls the speed of the engine 14 in order to increase fuel efficiency and to effect relatively smooth starting and stopping of the engine. Particularly, in one ... | 02/27/2001 |
| 6178103 | Method and circuit for synchronizing parallel voltage source inverters An inverter circuit (10) has a plurality of voltage source inverters (VSI) coupled in parallel. Each of the voltage source inverters are coupled to a load (14). A synch signal source (12) generates a square wave from a fundamental operating frequency. The... | 01/23/2001 |
| 6164400 | Hybrid powertrain controller A hybrid powertrain for a vehicle comprising a diesel engine and an electric motor in a parallel arrangement with a multiple ratio transmission located on the torque output side of the diesel engine, final drive gearing connecting drivably the output shaf... | 12/26/2000 |
| 6140916 | Apparatus and method for position encoding A transfer case motor controls the rotation of a cam. The cam actuates various gear states of a transfer case of a four-wheel-drive vehicle. A contact plate rotates with the cam and encodes the position of the cam as a four-bit binary code. The code is su... | 10/31/2000 |
| 6094122 | Mechanical locking connection for electric terminals An ignition coil assembly module (40) that can be connected to and disconnected from an engine spark plug. The module elements are arranged as a succession of cylindrical layers about a central ferromagnetic core (46). From innermost to outermost, the suc... | 07/25/2000 |
| 6094053 | Method and apparatus for identifying electronic circuits in a distributed electronic system In one embodiment of the present invention, a distributed electronic system includes a plurality of electronic modules. Each of the electronic modules is coupled to one battery in a series connection of batteries. The electronic modules are coupled to a c... | 07/25/2000 |
| 6091658 | Nonvolatile memory implementation for electronic devices An automobile has an electronic device with a nonvolatile memory implementation. The electronic device includes non-programmable nonvolatile memory (ROM), volatile memory (RAM) and programmable nonvolatile memory (EEPROM). A controller (CPU) is coupled to... | 07/18/2000 |
| 6073713 | Crankshaft position sensing with combined starter alternator A crankshaft position sensing apparatus for use with an engine (16) having a combined starter/alternator assembly (18). The crankshaft position sensing apparatus includes a tone ring (38) with a sensor (36) and bandpass filter (46), having a cylinder iden... | 06/13/2000 |
| 6072297 | Vibration detection and control for a vehicle drivetrain The present invention provides vibration control for a vehicle drivetrain. In one embodiment of the present invention, a vibration control method comprises generating a speed signal representing a rotational speed of the drivetrain. The method further inc... | 06/06/2000 |
| 6072253 | Liquid-cooled electrical machine An liquid-cooling system for an electrical machine comprises a rotor mounted on a shaft for rotation therewith and defining an axis of rotation, and a stator disposed coaxially with and in opposition to the rotor. The stator has stator windings, the stato... | 06/06/2000 |
| 6069461 | Digital or resistorless interval wiper switch and system The use of a Gray code ganged wiper switch and an electronic circuit controlling the washer-pump motor and wiper motor allow the use of a minimal number of wires in the overall interval wiper system than found in conventional systems. Circuit redundancy a... | 05/30/2000 |
| 6064178 | Battery charge balancing system having parallel switched energy storage elements A method for balancing charge of a plurality of series-connected batteries includes alternately coupling each of a plurality of energy storage circuits across a respective one of the batteries and in parallel with each other. A charge balancing system com... | 05/16/2000 |
| 6047787 | Voltage control method for an electric motor control system A method for controlling regenerative energy in a system having an motor and having a power converter for converting regenerative energy from the motor for supply as electrical current to a receiving apparatus includes estimating a resistance to electrica... | 04/11/2000 |
| 6039028 | Active engine speed pulsation damping A method and system for reducing pulsations in the rotational speed of an engine in accordance with one embodiment of the present invention are disclosed. Torque applied by a supplemental torque source includes a component derived by pure feedback engine ... | 03/21/2000 |
| 6018201 | Electrical distribution system for a motor vehicle An electrical distribution system for a motor vehicle comprises an engine, an electrically-conductive structural portion of the vehicle and a battery having a positive terminal and a negative terminal. The system also includes a starter motor having an el... | 01/25/2000 |
| 6014006 | Induction motor control system with speed and flux estimation Method of controlling torque of a multi-phase induction motor (10) includes estimating rotor speed as a rational function of filtered stator current is0 and voltage u0 and first and second order derivatives of the filtered stator cur... | 01/11/2000 |
| 5998885 | Propulsion system for a motor vehicle using a bidirectional energy converter A motor vehicle propulsion system includes an electrical energy source and a traction motor coupled to receive electrical energy from the electrical energy source. The system also has a first bus provided electrical energy by the electrical energy source ... | 12/07/1999 |
| 5998928 | Lighting intensity control system An illumination control system comprises a source of a lighting intensity control signal, the source having an intensity control signal output. The system also includes at least one first lighting element coupled for direct intensity control by the lighti... | 12/07/1999 |
| 5994859 | Torsional oscillation compensation in the drivetrain of a motor vehicle The present invention provides a method for reducing torsional vibration in a vehicle drivetrain. The method comprises detecting a rotational speed of the drivetrain to generate a rotational speed signal. The method also includes generating a vibration co... | 11/30/1999 |
| 5971621 | Axial shaft retention design An apparatus for axially retaining a shaft comprises a shaft having an axis of rotation and an axially-affixed member having a bore therethrough coaxial with the shaft and having an inside diameter, the shaft passing through the bore. The apparatus also i... | 10/26/1999 |
| 5967120 | Returnless fuel delivery system In one embodiment of the present invention, a "returnless" fuel delivery system for a motor vehicle includes a fuel pressure regulator located in the fuel tank and a fuel pressure damper located at the fuel rail on the vehicle's engine. The fuel return li... | 10/19/1999 |
| 5965967 | Rotor for an electrical machine A "claw pole" or Lundell rotor has permanent magnets included therein, each permanent magnet disposed between an adjacent pair of pole fingers. The permanent magnets each have a magnetization polarity at an angle between radial and tangential with respect... | 10/12/1999 |
| 5948298 | Battery heating system A battery heating system for the batteries of an electrical vehicle includes a plurality of electrical heaters. The electrical heaters are apportioned into a plurality of groups, the groups coupled to independently-switchable voltage sources. One or more ... | 09/07/1999 |
| 5947612 | Bearing retention for a rotating machine A rotating machine comprises a housing defining a generally cylindrical bearing pocket and defining an interior and exterior. The machine also includes a bearing retainer having a generally cylindrical sleeve portion retained in the bearing pocket and a b... | 09/07/1999 |
| 5945904 | Giant magnetoresistors with high sensitivity and reduced hysteresis and thin layers A giant magnetoresistive assembly includes a first film fabricated of a ferromagnetic material having a first predetermined thickness, a second film fabricated of a non-ferromagnetic material formed to said first film having a second predetermined thickne... | 08/31/1999 |
