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| Number | Title | Issue Date |
| 7905220 | Speed and position sensing device for EMD two-cycle diesel engines A device is disclosed for sensing the speed of an EMD 567/645/710 two-cycle diesel engine having a crankcase, electronic fuel injectors and an electronic control system for controlling the electronic fuel injectors. The device includes a spline shaft sized for inser... | 03/15/2011 |
| 7359789 | Control system for an internal combustion engine and a vehicle having the same The invention provides a control system for an internal combustion engine of a vehicle. The control system includes a sensor controller and an engine controller. The sensor controller includes a first interface configured to be connected to a sensor coupled to the e... | 04/15/2008 |
| 7219564 | Magnetised transducer element for torque or force sensor A magnetic torque transducer for a structure such as a disc through which torque is transmitted between a central shaft to which the disc is mounted and an outer periphery such as a gear wheel. The intervening region through which torque is transmitted is magnetized... | 05/22/2007 |
| 7216625 | Throttle control devices A sensor for a throttle control device. The throttle control device includes a throttle body. A throttle valve is disposed within an intake air channel defined within the throttle body. A speed or gear reduction mechanism is coupled between a motor and the throttle ... | 05/15/2007 |
| 7184876 | Device and process for determining the position of an engine Device for determining the position of an engine includes: a sensor that has a rotary part and a fixed part, whereby said fixed part comprises: elements (for generating a first signal based on the position of the rotary part... | 02/27/2007 |
| 7171925 | Method for reversing the direction of rotation of a two-stroke engine A method for reversing the direction of rotation of a two-stroke engine whose rotational speed and crank mechanism position are sensed by a sensor system. To reverse the direction of rotation of the engine, the ignition and/or the fuel supply is first switched off, ... | 02/06/2007 |
| 7095193 | Brushless DC motors with remote Hall sensing and methods of making the same A brushless DC motor apparatus includes a housing and a stator assembly coupled to the housing. The apparatus further includes a magnetic rotor assembly rotatably coupled to the housing. The magnetic rotor assembly is configured to rotate within the housing in respo... | 08/22/2006 |
| 7066162 | Method and apparatus for quick starting a rope-start two-stroke engine The period required to start a rope-start, two-cycle engine is reduced by enabling the engine's firing sequence to be initiated immediately upon determining the absolute rotational position of the engine and before determining the engine's direction of rotation. The... | 06/27/2006 |
| 7055762 | Injection valve with a capacitive valve lift sensor The invention relates to an injection valve in which the movable valve parts and the valve seat (4) form the electrodes of a capacitor that is connected in an electric circuit, the capacity of said capacitor changing with the valve lift of the closing element... | 06/06/2006 |
| 7011074 | Throttle control devices A sensor for a throttle control device. The throttle control device includes a throttle body. A throttle valve is disposed within an intake air channel defined within the throttle body. A speed or gear reduction mechanism is coupled between a motor and the throttle ... | 03/14/2006 |
| 7009482 | Controlled inductance device and method Improved inductive apparatus having controlled core saturation which provides a desired inductance characteristic with low cost of manufacturing. In one embodiment, a pot core having a variable geometry gap is provided. The variable geometry gap allows for a “step... | 03/07/2006 |
| 6946831 | Noncontact rotary position sensor and electric control throttle valve apparatus having noncontact rotary position There is provided a compact, noncontact rotary position sensor that accurately detects a rotary position of a rotating object. A magnetism throttling portion is provided in a midway point of a magnetic path. Two magnetic induction elements are disposed adjacently ea... | 09/20/2005 |
| 6946830 | Apparatus for detecting rotation angular positions of a rotor A rotation-angular-position detecting apparatus of a rotor is capable of confirming an angular position of a rotation of the rotor within a relatively short period of time following a start of the rotation. The rotation-angular-position detecting apparatus includes ... | 09/20/2005 |
| 6922057 | Device to provide a regulated power supply for in-cylinder ionization detection by using a charge pump A charge pump is used to supply current to the ionization detection circuit. To detect in-cylinder ions generated during the combustion process, a DC bias voltage needs to be applied. There are two ways to generate the DC bias: conventional DC power supply (large el... | 07/26/2005 |
| 6909281 | Position sensor using a compound magnetic flux source A non-contacting position sensor detects relative displacement between two objects. A magnetic flux source is provided by a plurality of discrete magnets selectively determined to produce a highly configurable flux source that is easily adapted to rotary or rectilin... | 06/21/2005 |
| 6909351 | Ignition coil module With an ignition coil module comprising a coil system which includes a primary winding and a secondary winding and a flux conducting, soft magnetic device to increase and/or to conduct a magnetic flux generated by one of the windings and comprising an electronic com... | 06/21/2005 |
| 6845763 | Vehicle ignition system using ignition module with reduced heat generation An ignition system for a vehicle includes a distributor having with a Hall Effect stator assembly and ignition module formed preferably as a thick film integrated (TFI) module, which receives a spark output (SPOUT) signal from an electronic control assembly (ECA). T... | 01/25/2005 |
| 6840236 | Engine control device To accurately detect occurrence of erroneous detection of a crank pulse associated with dropout of a crank pulse or occurrence of noise. A cogless section is provided in cogs provided on an outer periphery of a crankshaft for transmitting a crank pulse. Occur... | 01/11/2005 |
| 6830015 | Method and electronic apparatus for reversing the rotation of an engine A method and an electronic apparatus for reversing the rotation of a two-stroke internal combustion engine, provided with an ignition system powered by a permanent magnet voltage generator. The electronic apparatus comprises a microprocessor control unit programmed ... | 12/14/2004 |
| 6809513 | Rotary position sensor having waterproof, explosion-protective structure A rotary position sensor includes a cylindrical housing having a partition wall which divides the interior of the housing into a first storing space and a second storing space. The first storing space stores a rotating mechanism and is closed with a first cover in s... | 10/26/2004 |
| 6784658 | Signal generator for multi-cylinder internal combustion engine and rotation information detector using signal generator A signal generator for an internal combustion engine for obtaining precise information on a rotational direction of the engine when the engine runs at extremely low speed, comprising: a rotor having a first series of reluctor corresponding to a cylinder of the engin... | 08/31/2004 |
| 6752134 | Ignition arrangement An improved electronic ignition arrangement for an internal combustion engine having an output drive shaft, a rotary shaft drivingly coupled to the output drive shaft, a plurality of spark plugs, an ignition coil, and a rotor and distributor arrangement to effect se... | 06/22/2004 |
| 6707292 | Magnetic circuit for a rotary position sensor An angular position sensor is provided including a rotatable magnet and at least one magnetically sensitive device. The at least one magnetically sensitive device is preferably a plurality of Hall effect sensors disposed on a circuit board for processing the generat... | 03/16/2004 |
| 6694949 | Ignition control device for internal combustion engine A rotor of a crankshaft has protrusions. A timing sensor produces a rotation leading signal and a rotation trailing signal. A control unit measures a previous signal production interval and a present signal production interval based on the rotation signal... | 02/24/2004 |
| 6626145 | Engine control method and apparatus An improved method and system for the control of an engine system such as the spark timing. The control senses the speed variations either during a portion of a complete cycle and a complete cycle and/or from cycle to cycle in order to determine the load ... | 09/30/2003 |
| 6575136 | Apparatus for detecting crank angle position in an internal combustion engine An apparatus for detecting crank angle position in an internal combustion engine, in which a first rotator, which is interlocked with the crankshaft, has a plurality of detectable parts in the rotation direction, the detectable parts on the first rotator ... | 06/10/2003 |
| 6541959 | Angular position sensing system with magnet and rotor arrangement A sensing system for measuring the angular displacement of a rotating shaft is disclosed. The sensing system comprises a rotor and a sensor assembly disposed within the rotor. The rotor is constructed and arranged to be securably mounted to the shaft such... | 04/01/2003 |
| 6518748 | Method for determining the position of an armature An electromechanical actuating drive includes at least one electromagnet with a coil and an armature having an armature plate that can move between a first contact surface on the electromagnet and a second contact surface. The position of the armature is ... | 02/11/2003 |
| 6498480 | Magnetic non-contacting rotary transducer A magnetic rotary transducer for providing a signal indicative of a rotational position of a control shaft about a rotational axis over a defined range of rotation is disclosed. The magnetic rotary transducer comprises a pair of magnets and a rotor includ... | 12/24/2002 |
| 6489761 | Magnetic arrangement for an analog angle encoder An analog angle encoder includes a non-magnetic stator which is cup-shaped, having a central post carrying at least one magnetosensitive device, and further including a rotor in the form of a ring captured by the stator, the rotor carrying at least one pe... | 12/03/2002 |
| 6448762 | Rotation-angle-detection device having magnetic sensor fixed to cover with detection direction transverse to cover longitudinal direction A rotation-angle-detection device includes a main housing, a resinous cover for covering an opening of the main housing, a permanent magnet disposed at the main housing to be rotatable in response to rotation of a throttle valve, and a magnetic sensor. Th... | 09/10/2002 |
| 6407543 | Rotation angle detector having first molded member integrating magnetic sensing element and output terminal and second molded member integrating stator core and first molded member Non-contact type Hall ICs detecting an rotation angle of a throttle valve, a stator core strengthening a magnetic field around the Hall ICs, a lead frame connecting the Hall ICs to an outside ECU are integrated in a sensor cover by resin molding. Thus, th... | 06/18/2002 |
| 6288534 | Non-contacting throttle valve position sensor A throttle valve position sensor in which a non-contacting, magnetic field sensor is coupled to or integral with a gear wheel of a geared throttle valve control. The sensor provides a more durable sensor. Sensor circuitry can be provided on the lid of the... | 09/11/2001 |
| 6208131 | Electronic position and speed sensing device A position and speed sensor comprising a circular element (1) rotatably driven about its axis. The circular element (1) has two position indicators (3, 4) of different angular width. A sensor means (5) is fixed in position with respect to and adjacent to ... | 03/27/2001 |
| 6192861 | Engine ignition device In an ignition device for an engine 1, a spark plug 14 is operated to emit sparks with respect to the fuel-air mixture, so that the fuel-air mixture is ignited. A protrusion 19 provided on a flywheel 6 mounted on a crankshaft 5 is revolved with the rotati... | 02/27/2001 |
| 6122958 | Electromagnetically controlled measuring apparatus for the volumetric measurement of the amount of fuel injected by a fuel-injection pump The invention relates to an electromagnetically controlled measuring apparatus for the volumetric measurement of the quantity of fuel injected by a fuel injection pump that has a displacement transducer which is surrounded by cooling chambers. The apparat... | 09/26/2000 |
| 6119666 | Device for controlling a multi-cylinder internal combustion engine A device for controlling a multi-cylinder internal combustion engine with a rotatable shaft has a transmitter wheel mountable on the rotatable shaft and having a number of uniform spaced angular marks spaced and at least one reference mark which as a sync... | 09/19/2000 |
| 6058908 | Hall effect ignition An electronic ignition system according to an embodiment of the present invention includes a Hall effect device for detecting crankshaft rotation. A circuit is provided to select first or second ignition timing responsive to the Hall effect device output ... | 05/09/2000 |
| 6050242 | Lobe sensor arrangement for an ignition system A lobe sensor arrangement for an internal combustion ignition system provides a control signal to an ignition coil of the internal combustion engine to effect sequential firing of spark plugs, the ignition system comprising a distributor camshaft having a... | 04/18/2000 |
| 6035826 | Crank angle detecting apparatus of internal combustion engine A crank angle detecting apparatus for an internal combustion engine includes a crankshaft operationally coupled to pistons. A crank rotor provided on the crankshaft has a plurality of angular segments, each angular segment includes a group of teeth of dif... | 03/14/2000 |
