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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7267105 | Optically triggered electronic distributor for an internal combustion engine A distributor for an internal combustion engine and associated methods comprise a camshaft having a drive gear thereon, a trigger disk positioned on the camshaft so as to rotate coaxially therewith, the trigger disk having a plurality of tabs defining a window betwe... | 09/11/2007 |
| 7191641 | Rotary position sensing assembly for internal combustion engine A rotary position sensing assembly for an internal combustion engine includes a mounting socket rigidly attached to a structural support of a rotating component and a position sensor slidably engaged with the socket. A slidably engageable retainer maintains the sens... | 03/20/2007 |
| 7152562 | Motorcycle timing adjustment A motorcycle engine's ignition system controls the spark that ignites the fuel in a cylinder. The ignitition system routes high-voltage pulses to individual cylinders of a motorcycle engine in the correct sequence and with precise timing. A timing structure is provi... | 12/26/2006 |
| 7013883 | Ignition coil for use in engine and engine having plastic cylinder head cover To improve an anti-heat shock performance and an electric field concentration relaxation (an insulation performance) between a secondary coil and a center core, to attain a narrow diameter structure in an individual ignition type ignition coil and further to improve... | 03/21/2006 |
| 6976482 | Electronic ignition system for vintage automobiles An electronic ignition system for a vintage automobile includes an ignition coil and an electronic switching circuit disposed in a coil box of the vintage automobile. The coil and electronic switching circuit are mounted within a coil box module that replaces four o... | 12/20/2005 |
| 6612296 | Control apparatus for internal combustion engine An engine control apparatus for preventing erroneous cylinder identification by clearing cylinder identification information upon detection of on/off operation of a starter (50) includes a sensor (32) for generating crank angle pulse signals with dropout ... | 09/02/2003 |
| 6595193 | Method and arrangement at a multiple cylinder four-stroke cycle internal combustion engine In a multiple cylinder four-stroke engine with fuel injection, an interference oscillation is generated briefly on the flywheel on starting by varied fuel supply to different cylinders. After oscillation analysis of the resultant oscillation of the flywhe... | 07/22/2003 |
| 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 |
| 5842457 | Distributor for internal combustion engines A distributor for internal combustion engines which includes a connector for electrically coupling a rotation signal detector and an engine control unit and a connector for electrically coupling an ignition coil and the engine control unit, the distributo... | 12/01/1998 |
| 5715791 | Cylinder discriminating device for internal combustion engine A cylinder discriminating device includes a ratio computing device for computing the ratio between the periods of signal generation over predetermined two sections, a signal group discriminating device for discriminating a predetermined group of signals, ... | 02/10/1998 |
| 5651352 | Distributor for internal combustion engines A distributor for internal combustion engines which includes a connector for electrically coupling a rotation signal detector and an engine control unit and a connector for electrically coupling an ignition coil and the engine control unit, the distributo... | 07/29/1997 |
| 5533473 | Optically switched high voltage distributor High voltage switches distribute ignition voltages to spark plugs of an internal combustion engine. A high-voltage switch uses an array of high voltage semiconductor transistors mounted on a single insulated substrate. The high voltage array requires only... | 07/09/1996 |
| 5429093 | Apparatus for controller internal combustion engine An apparatus for controlling an internal combustion engine that automatically corrects an error of a reference position to prevent an erroneous calculation of a controlled-parameter so as to accurately control the internal combustion engine, the apparatus... | 07/04/1995 |
| 5355865 | Crankshaft angle sensor for an internal combustion engine A crankshaft angle sensor comprising a crankshaft angle sensing element (33) mounted to a housing (35) and a circuit board (37) mounted to the housing (35) and having an electronic circuit thereon. The electronic circuit is electrically connected to the c... | 10/18/1994 |
| 5345909 | Control apparatus for internal combustion engine An apparatus for controlling operation of an internal combustion engine including a multiplicity of cylinders. The apparatus comprises a control means for detecting speedily reference positions for control of the individual cylinders with high reliability... | 09/13/1994 |
| 5212380 | Automotive engine control system with rotary encoder indexing An automotive engine control system is provided for an automobile having a variable rotation speed engine which has a plurality of spark plugs served by respective spark plugs. The system includes an optical rotary encoder having a rotatable pulse scale h... | 05/18/1993 |
| 5184080 | Test apparatus for opto-electronic time based generator of an ignition system A test and maintenance method and apparatus for an ignition system of an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a nonadvanced timing schedule, and a circuit for switching between the two ... | 02/02/1993 |
| 5165380 | Distributor with a built-in crank angle sensor A distributor for an automotive engine with a built-in crank angle sensor includes a crank angle sensor unit 7A wherein the photodiode 12 opposing the light emitting diode 11 across the rotation disk 6 and the waveform shaper circuit for shaping the outpu... | 11/24/1992 |
| 5133329 | Ignition system for combustion-powered tool For a combustion-powered tool, an ignition system is powered by a battery and is arranged so that a sudden discharge of a capacitor, as charged via an oscillator, produces a spark at a spark gap of a spark plug, so that the oscillator is enabled if a trig... | 07/28/1992 |
| 5131377 | Ignition device for an internal combustion engine provided with an optoisolator The power transistor unit 2A for controlling the current supply to the primary side of the ignition coil 3 includes a light emitting diode 10 coupled to the output of the control unit 1, and a phototransistor 11 optically coupled to the light emitting dio... | 07/21/1992 |
| 5115792 | Ignition control apparatus and method for an internal combustion engine A signal generator generates a crank angle reference signal and a cylinder identification signal in synchronism with the rotation of a multi-cylinder internal combustion engine. The crank angle reference signal has high and low levels which change at a fi... | 05/26/1992 |
| 5109829 | High voltage switch A high-voltage switch (10), which is usable particularly as an ignition voltage distributor for applying the ignition voltage to spark plugs of an internal combustion engine, comprises a cascade circuit of optoelectronic semiconductor elements (11) which ... | 05/05/1992 |
| 5086741 | Method and apparatus for detecting and controlling combustion condition in an internal combustion engine A method of detecting the condition of combustion in each cylinder of an internal combustion engine while monitoring a variation in rotation of a crankshaft in the engine for each cylinder, in which the degree of irregular combustion is judged based on th... | 02/11/1992 |
| 5076249 | Angular position detector apparatus An angular position detector mounted within an engine ignition distributor for detecting an angular position of a rotary shaft. The detector comprises a detecting element disposed about the rotary shaft for generating a detection signal corresponding to a... | 12/31/1991 |
| 5074275 | Signal generator and an engine control apparatus using the same A signal generator generates a crank angle reference signal containing a plurality of pulses for one ignition cycle of each cylinder which correspond to prescribed crank positions, respectively, of a corresponding cylinder. The operation of an engine is c... | 12/24/1991 |
| 5048952 | Liquid mixing ratio sensor A liquid mixing ratio detecting sensor has cylindrical holder which is immersed in sulfuric acid solution. The holder is filled with silicone oil. A glass plate is placed within the holder. A light emitting diode emits light beams which enter the glass pl... | 09/17/1991 |
| 5044336 | Cylinder recognition apparatus and method for a multi-cylinder internal combustion engine An improved cylinder recognition apparatus and method for a multi-cylinder internal combustion engine capable of recognizing a specific reference cylinder as well as the remaining cylinders of the engine by use of only a single signal. A signal generator ... | 09/03/1991 |
| 5040519 | System to prevent reverse engine operation An ignition system for an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a non-advanced timing schedule, and a circuit for switching between the two schedules or disabling both schedules based up... | 08/20/1991 |
| 5038743 | Dual schedule ignition system An ignition system for an internal combustion engine, such as an outboard marine engine, which includes an advanced timing schedule, a normal timing schedule, and a circuit for switching between the two schedules or disabling both schedules based upon eng... | 08/13/1991 |
| 4979485 | Cylinder recognition apparatus for an internal combustion engine A cylinder recognition apparatus for a multi-cylinder internal combustion engine has a position sensor which generates for each cylinder output pulses which indicate prescribed positions of the piston of the cylinder. The output pulse for a prescribed ref... | 12/25/1990 |
| 4962746 | Mixing liquid ratio detector device In a mixing liquid ratio detector device, a LED and a photo diode are provided in a manner to sandwich an optically permeable column. The light emitting area of the LED and the light receiving area of the photo diode are each arranged in the neighborhood ... | 10/16/1990 |
| 4951629 | Ignition timing system The ignition timing system of the present invention comprises a rotor plate having a plurality of pin receiving holes therein. Several pins may be positioned in the desired holes on the upper surface of the rotor plate. The rotor plate rotates in unison w... | 08/28/1990 |
| 4951639 | Rotational position detector device for an internal combustion engine A rotational position detector for detecting the position of the crankshaft of a multi-cylinder internal combustion engine is disclosed. A signal generator generates pulses whose leading and trailing edges correspond to the first and second rotational pos... | 08/28/1990 |
| 4932388 | Rotary position detector for internal combustion engine A rotary position detector for an internal combustion engine with a cam shaft, which includes a sleeve to be mounted on the cam shaft for rotation along with the cam shaft; a hermetic housing to be secured to the engine such that the sleeve rotates within... | 06/12/1990 |
| 4856489 | Ignition timing control apparatus for an internal combustion engine An ignition timing control apparatus for an internal combustion engine comprises a signal rotor rotating in synchronism with the revolution of the engine, a plurality of trigger poles attached on the outer circumference of the signal rotor at positions co... | 08/15/1989 |
| 4784105 | High performance digital ignition system for internal combustion engines A very high performance digital ignition system is disclosed which includes a precision angular position sensor within the distributor of an internal combustion engine (or otherwise coupled to the engine to sense its angular position) to provide accurate ... | 11/15/1988 |
| 4773381 | Rotational signal detecting apparatus for internal combustion engine There is provided a rotational signal detecting apparatus comprising a housing, a rotor shaft attached to said housing so as to be freely rotatable, said rotor shaft rotating in synchronism with a crankshaft or a cam shaft of an engine, a photoelectric pi... | 09/27/1988 |
| 4747389 | Crank angle detecting system for engines A crank angle detecting system for a multicylinder engine includes a disc formed with a large number of slits to detect one-degree crank angular positions and a small number of slits to detect a predetermined piston stroke for each cylinder. Since the wid... | 05/31/1988 |
| 4691672 | Cybernetic engine An internal combustion engine designed to enhance energy conservation and environmental pollution control with reliability and performance through the use of state-of-the-art technology. The engine incorporates a unique timing disc that allows the engine ... | 09/08/1987 |
| 4686953 | High performance distributorless digital ignition system for internal combustion engines A digital ignition system is disclosed including a precision angular position sensor within the engine distributor or in cooperation with another rotary engine part providing accurate timing information applied to gating means selectively passing bursts o... | 08/18/1987 |
