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| Number | Title | Issue Date |
| 6755874 | Plate making process for lead acid battery A plate making process for a lead acid battery which eliminates the need for steaming and curing steps to produce the active material. Mixing, reacting and crystallizing occur in a closed reactor under controlled temperature and mixing conditions to produce a paste ... | 06/29/2004 |
| 6671641 | Method for calibrating hydraulic actuators A method for calibrating hydraulic actuators includes installing an actuator in a test stand and performing an electrical signal sweep to obtain a series of pressure values. Based on desired pressure values, signals yielding unwanted pressure values are r... | 12/30/2003 |
| 6664796 | Water contamination sensing algorithms for ethanol containing fuel A method for determining a level of water contamination in a fuel containing ethanol, including determining the ethanol concentration of the fuel; sensing the resistance of the fuel; determining a resistance limit of the fuel; and comparing the resistance... | 12/16/2003 |
| 6661206 | Soft chopping for switched reluctance generators The switched reluctance machine providing soft chopping in the output current controls the voltage across the phase winding. When the current through the phase winding in the generating mode reaches a first predetermined value, the voltage across the phas... | 12/09/2003 |
| 6655352 | Integrated bolt two-piece sleeve design for flat response knock sensor A mounting fixture for an engine knock sensor is provided. The fixture includes a base and a support member. The support member is joined to the base with a press fit joint. The base includes an aperture and the support member is inserted in the aperture.... | 12/02/2003 |
| 6651309 | Method for fabricating a highly-dense powder iron pressed stator core for use in alternating current generators and electric motors A high-density stator core for use in electrodynamic devices is fabricated by the electromagnetic pressing of an iron-based powder coated with a dielectric material and methods for performing the electromagnetic pressing are disclosed. The stator core inc... | 11/25/2003 |
| 6644585 | Solenoid coil assembly and method for winding coils A coil assembly includes a spool that is rotatably attached to a connector. In order to wind a coil on the spool, the spool is rotated with respect to the connector until the connector does not interfere with the winding bay on the spool. Thereafter, a wi... | 11/11/2003 |
| 6646845 | Battery protection system and method A battery protection system for a battery having a switching mechanism positioned intermediate to the positive terminal and an electrical load of the battery. A controller manipulates the switching mechanism between an open position and a closed position,... | 11/11/2003 |
| 6640644 | Apparatus and method for detecting tilt and vibration of a body Tilt and vibration sensor and method for forming the sensor with a piezoresistive membrane having a weight affixed proximate its center for detecting the tilt and vibration of a body. The membrane may include four piezoresistors placed proximate the edges... | 11/04/2003 |
| 6639165 | Multiple contact fluid pressure switch A multiple contact fluid pressure switch includes a plate from which a rib extends to establish a cavity on the plate. Two lower contacts are on the plate within the cavity. A diaphragm is disposed on the rib to enclose the cavity. Further, an upper conta... | 10/28/2003 |
| 6639399 | Target wheel sensor assembly for determining position and direction of motion of a rotating target wheel A target wheel sensor assembly includes a target wheel, a magnet, and a sensing element placed therebetween. The magnet and the sensing element are configured so that as the target wheel rotates the sensing element outputs an asymmetric signal. This asymm... | 10/28/2003 |
| 6639371 | Method and system for controlling start of a permanent magnet machine Method and system for controlling a permanent magnet machine are provided. The method provides a sensor assembly for sensing rotor sector position relative to a plurality of angular sectors. The method further provides a sensor for sensing angular increme... | 10/28/2003 |
| 6634113 | Tilt sensor and method of forming such device Tilt sensor and method for forming the sensor with a piezoresistive membrane having a weight affixed proximate its center for detecting the tilt of a body. The membrane may include four piezoresistors placed proximate the edges of the membrane at the poin... | 10/21/2003 |
| 6636036 | Sensor with signal amplitude adaptive hysteresis In a magnetoresistive sensor employing a single stage comparator circuit for signal threshold detection, an hysteresis deadband is established substantially proportional to signal amplitude. The sensor includes a transducer comprising at least one magneto... | 10/21/2003 |
| 6630882 | Composite magnetic sensor Composite galvanomagnetic devices having a desired combination of properties in specific temperature ranges and magnetic field ranges and so combined that desired properties are provided over an extended temperature and magnetic field range. In practice t... | 10/07/2003 |
| 6622711 | Ignition coil cassette assembly A method of assembling an ignition coil cassette assembly for use with an internal combustion engine having a plurality of cylinder assemblies each including a spark plug, and an ignition coil cassette assembly provided in accordance with the invention me... | 09/23/2003 |
| 6615645 | System and method for generating a knock determination window for an ion current sensing system An ignition apparatus including a primary and a secondary winding for producing a spark voltage, an ion current detection circuit for producing an ion current signal, a slope detector and a knock detector. The slope detector determines when the ion curren... | 09/09/2003 |
| 6615780 | Method and apparatus for a solenoid assembly A solenoid assembly includes a solenoid having a magnetic circuit comprising stationary primary and secondary pole pieces and a moveable armature. The primary pole piece includes an inner cylindrical wall operable to define, with the armature, a fixed rad... | 09/09/2003 |
| 6615811 | Ignition coil integrated ion sense with combustion and knock outputs An ignition coil having ion sense capability with combustion and knock outputs features improved determination of when to open and close a combustion window during which a combustion signal indicative of the level of combustion is calculated. The system a... | 09/09/2003 |
| 6617078 | Lithium ion rechargeable batteries utilizing chlorinated polymer blends Described is a rechargeable lithium ion battery comprised of (a) a negative electrode and (b) a positive electrode both comprised of a current collector and applied to each a mixture of chlorinated polymer blend and lithium intercalation materials and (c)... | 09/09/2003 |
| 6617071 | Active material for high power and high energy lead acid batteries and method of manufacture A grid plate for high power lead acid battery having a plate (14) covered with a conductive polymeric matrix (10) of preferably polyaniline and its derivatives, which is then coated with nanoscale particles of active material (14) such as lead sulfate and... | 09/09/2003 |
| 6612520 | Solenoid coil assembly and method for winding coils A coil assembly includes a spool and a connector keyed thereto. To wind a coil on the spool, the spool is moved linearly with respect to the connector until the connector does not interfere with the winding bay on the spool. Thereafter, a wire is wound ar... | 09/02/2003 |
| 6612148 | Press having tilt out feature A mechanical press includes an easy load tilt out loading position that improves operator visibility when loading parts onto operation specific tooling, and which also increases the speed of which such parts can be loaded (and unloaded), and finally reduc... | 09/02/2003 |
| 6614223 | Analog angle encoder having a single piece magnet assembly surrounding an air gap An analog angle encoder having a simply constructed magnet assembly, wherein rotation of a magnetic field relative to a magnetosensitive device provides a varying output of the magnetosensitive device that varies sinusoidally with the angle of relative ro... | 09/02/2003 |
| 6595485 | Solenoid valve with cushion between plunger and plunger stop A solenoid valve includes an outlet tube and a plunger stop. A plunger is slidably disposed within the solenoid valve between the outlet tube and the plunger stop. The plunger is movable between a closed position wherein the plunger engages the outlet tub... | 07/22/2003 |
| 6593720 | Method of optimizing performance parameters of a switched reluctance motor Described is a method of optimizing performance parameters of a switched reluctance motor comprising ascertaining the parameters of at least three objectives of the motor selected from the group consisting of firing angles, power on the shaft of the motor... | 07/15/2003 |
| 6590361 | Method and system for controlling an induction machine Method and system for controlling an induction machine are provided. The method allows to sense rotor position of the induction machine using a relatively low-resolution rotor position sensor configured to supply a stream of pulses indicative of angular i... | 07/08/2003 |
| 6590385 | Variable reluctance sensor assembly with magnetic spool A sensor assembly includes a spool that has magnetic filaments incorporated therein. The magnetic filaments are magnetized to create a magnetic flux around the spool. A coil is wound around the spool such that it is within the magnetic flux field generate... | 07/08/2003 |
| 6590402 | Engine oil contamination sensor An engine oil contamination sensor includes a first sensing electrode and a second sensing electrode. A sensing area is established between the electrodes. The sensor is oriented in an oil pan such that the sensing are is completely submerged in engine oi... | 07/08/2003 |
| 6588253 | Fuel volatitlity sensor and method based on capacitance measurement A method and apparatus for determining a volatility of a fuel sample. A fuel sample is collected in a container and heated for a time period using a heater device. Periodically during the heating, the capacitance of the fuel sample and the temperature of ... | 07/08/2003 |
| 6589134 | System with controller and method for controlling a park-interlock device in a vehicle Method, system and controller for electronically controlling a park-interlock device in a land-based vehicle are provided. The method allows for providing a driver-selectable shifter for selecting a respective one of a plurality of propulsion modes of the... | 07/08/2003 |
| 6578255 | Apparatus for laminating segmented core for electric machine A segmented core for an electric machine includes segments stamped from coated electric steel. The segments each have a first end, a second end, and winding openings. A predetermined number of segments are placed end-to-end to form layers. The layers are ... | 06/17/2003 |
| 6580187 | Rectifier assembly for an air-cooled generator A heat sink structure is provided for a rectifier assembly of an air-cooled generator. The heat sink structure comprises a substantially annular base having inner and outer edges. The inner and/or outer edges have (has) a cooling fin arrangement projectin... | 06/17/2003 |
| 6576890 | Linear output non-contacting angular position sensor A linear output and non-contacting angular position sensor has a rotatable arc segment magnet arranged to rotate about the stationary components of the sensor, which include a pair of stationary flux concentrators, separated by a Hall probe; or, the magne... | 06/10/2003 |
| 6577097 | Method and system for controlling a synchronous machine using a changeable cycle-conduction angle Method and system for controlling a synchronous machine including a polyphase stator are provided. The machine may be used in a piece of equipment respectively as a generator and as a motor for starting an engine in the piece of equipment. The method allo... | 06/10/2003 |
| 6577098 | Apparatus and method for providing a mobile AC power supply A mobile AC power system wherein the DC current of battery is converted by a power inverter electrically coupled to the battery terminals and the inverter is also mechanically coupled the battery. An AC outlet is positioned to provide a source of power an... | 06/10/2003 |
| 6577099 | Method and apparatus for providing and storing power in a vehicle A vehicle having an electric hybrid power system is provided. A battery pack stores electricity to power the electric motor. The battery pack includes a first plurality of batteries connected in parallel with a second plurality of batteries. The first plu... | 06/10/2003 |
| 6577123 | Linear position sensor assembly A linear position sensor assembly includes a moving target and a stationary magnet. A magnetic sensor is placed adjacent to the magnet and senses changes in the magnetic flux density caused by the target moving within a magnetic field generated by the sta... | 06/10/2003 |
| 6575018 | Method for determining oil viscosity A method for determining oil viscosity includes measuring an oil viscosity parameter value while an oil pump pumps oil through an engine lubrication system. Thereafter, the oil viscosity parameter value is compared to a stored look-up table of oil viscosi... | 06/10/2003 |
| 6564624 | Fuel driveability index sensor and method A sensor and method for measuring the volatility of liquid gasoline by estimating its driveability index includes a sensing element having an interdigitated array of electrically conducting capacitor plates arranged to retain a predetermined volume of gas... | 05/20/2003 |
