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Class 123/146.5A - Timers


Subclass of Class 123 - Internal-combustion engines
No. of patents: 251
Last issue date: 12/26/2006


1              
NumberTitleIssue Date
7152562Motorcycle 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
7063059Piston engine with selectable firing order
A multi-cylinder four-stroke internal combustion engine enabling a method for on-the-fly switching between two or more firing orders. Switching to the new firing order is done without requiring any tear-down of the engine such as to swap camshafts. Switching can be ...
06/20/2006
6407352Distributor cap adaptor for after market distributors
A distributor cap adaptor that secures an after market distributor cap adaptor to a distributor. The distributor distributes high voltages to spark plugs in an internal combustion engine. The after market distributor cap having a terminal distance diamete...
06/18/2002
6404188Single geartooth sensor yielding multiple output pulse trains
A magnetic effect sensor system has a target with a first set of regularly spaced tooth/slot transition target features and a second set of different tooth/slot transition target features interspersed within the regularly spaced features. The mix of targe...
06/11/2002
6237555Spark blanking apparatus for an internal combustion engine
A spark prevention apparatus during the exhaust stroke of a four-stroke-cycle internal combustion engine is claimed. A valve operating assembly operates an intake or an exhaust valve. A switch is electrically connected to a primary winding of the engine a...
05/29/2001
6232768Centering a signal within the dynamic range of a peak detecting proximity detector
A magnetic-field-to-voltage transducer includes a Hall element and a digitally gain-controlled Hall-voltage amplifier that produces an analog voltage Vsig having excursions of one polarity corresponding to the passing of magnetic articles. Vsig is applied...
05/15/2001
5921211Adjustable interlocking ignition rotor device
An adjustable interlocking ignition rotor device 10 includes a first member 12 having a plurality of orifices 34 radially positioned around the axis of the first member 12, a second member 14 having a plurality of orifices 56 radially positioned around th...
07/13/1999
5911204Ignition distributor cap with a shielding hood and shielding hood, therefor
An RFI shielding hood with an integral RFI filter arrangement for a distributor cap, so constructed as to provide strong attenuation in a predetermined broadcast and radio-telephone frequency range....
06/15/1999
5777465Circuitry and method for sensing spatial transitions sensed with a magnetic sensor
A circuit for use with a magnetic sensing device having at least first and second sensors has a summing amplifier for providing a difference signal and a peak detector for detecting peaks in the difference signal. The peaks determine a spatial offset of a...
07/07/1998
5704322Articulated hold down clamp for a distributor
The present disclosure is directed to an articulated clamp for maintaining a distributor housing in a fixed rotational position on an engine block. The one piece articulated clamp allows the distributor to be removed and replaced very fast while maintaini...
01/06/1998
5694038Detector of passing magnetic articles with automatic gain control
A magnetic-field-to-voltage transducer includes a Hall element and a digitally gain-controlled Hall-voltage amplifier that produces an analog voltage Vsig having excursions of one polarity corresponding to the passing of magnetic articles. Vsig is applied...
12/02/1997
5588401Spark ignition internal-combustion engine
A spark ignition internal-combustion engine, wherein an ignition coil is mounted on the engine, in the vicinity of a distributor fixedly mounted on the engine, and the ignition coil is disposed behind the opening section of a radiator fan. The engine is m...
12/31/1996
5533473Optically 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
5521343Plastic ignition high voltage switch housing
A plastic ignition high voltage switch housing comprising two separately molded components formed of a high temperature, high strength insulating thermoplastic material, each component containing one bushing. The two components are spun welded together wh...
05/28/1996
5503130Internal combustion engine with improved exhaust valve, timing system, and injector
An internal combustion engine is provided which includes an improved exhaust valve, air/fuel injector, and timing system for operating the valves and injectors. The exhaust valve comprises a rotatable cylindrical valve body having a passage which is locat...
04/02/1996
5446375Reluctance sensor having variable threshold detection circuit
A reluctance sensor produces reluctance signals in response to passing slots in a rotating wheel. When a given signal exceeds a threshold, a DIG-- OUT signal is produced. When the signal falls to zero, the DIG-- OUT signal is termina...
08/29/1995
5431134Engine ignition timing device
A Harley-Davidson motorcycle engine ignition timing device which electronically determines piston top dead center positioning and the degrees of spark plug ignition before or after TDC to permit dynamic setting and monitoring of the engine ignition timing...
07/11/1995
5402761Engine timing plate
An engine timing plate for cooperating with an engine driven timing wheel and an inductive sensor is provided. An arcuate plate is formed to fit internally within an ignition system housing. The plate includes at least two separate slots positioned on an ...
04/04/1995
5377653Internal-combustion-engine ignition device
An internal-combustion-engine ignition device in which such components as the ion-current-detection unit are provided integrally with other ignition-device components to realize a simplified structure, thereby helping to attain a reduction in cost and an ...
01/03/1995
5351670Ignition distributor for an internal combustion engine
An ignition distributor has a hollow housing. A distributor cap having a caved portion that extends in the housing is mounted on one end of the housing. The other end of the housing supports a rotation shaft. An ignition coil is disposed in the caved port...
10/04/1994
5345899Ignition distributor drive
An ignition distributor where the rotor of the distributor is driven by the camshaft of an internal combustion engine. The end of the camshaft has an axially extending bore. The ignition distributor has a coupling. The coupling has an axially extending sh...
09/13/1994
5343836Drive mechanism of engine ignition system
A drive mechanism of an engine ignition system has a housing fixed to an engine and a driven shaft of the engine ignition system rotatably supported by the housing. An engine provides a driving force for rotating a drive shaft, the rotation of which is tr...
09/06/1994
5233960Engine ignition timing adjustment device
An engine timing adjustment device is disclosed having a rotating member which rotates integrally with the crankshaft and which has ignition timing indicia on its surface. The device further has a timing pointer wherein the position of this pointer relati...
08/10/1993
5233295Angle detecting device having improved mounting arrangement for mounting Hall-effect sensor
An angle detecting device including a magnetism gap where a magnetic-flux shutter rotates synchronously with a detection subject, a magnetic flux generator provided at one side of the gap, a magnetic-flux detector provided at the other side of the gap, an...
08/03/1993
5209195Ignition distributor
An ignition distributor wherein at least either one of the discharge element of a stationary electrode and the discharge element of a rotary electrode are composed of a sintered body comprising at least a ferrite and silicon oxide and have a surface preci...
05/11/1993
5195496Ignition system having an electronic distributor
An ignition system for a spark ignited internal combustion engine has a plurality of high voltage switches connected respectively between a source of spark plug firing voltage and the spark plugs of the engine. Each high voltage switch includes a pluralit...
03/23/1993
5186131Distributor
A distributor for a vehicle includes a housing and a cap operatively positioned on the housing for defining a closed space therebetween. A central electrode and a side electrode are operatively mounted within the cap in a predetermined disposition. A dist...
02/16/1993
5165380Distributor 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
5125387Distributorless ignition system
This invention provides an ignition system for a spark initiated internal combustion engine such as an Otto cycle engine. High voltage pulses are generated, for instance by way of an ignition coil, and these are passed to the respective spark gaps by way ...
06/30/1992
5109829High 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
5095863Ignition distributor for internal combustion engines
An ignition distributor for internal combustion engines having a distributor ring provided in the form of a diaphragm spring. The diaphragm spring comprises at least two perforated discs internally. The shielding cap and bush are grounded to the ignition ...
03/17/1992
5094219Distributor with ignition coil
A distributor comprising a rotor electrode, a plurality of distributor electrodes, a housing supporting movably the rotor electrode, an ignition coil which supplies the electric current of high voltage to the rotor electrode, and an ignition coil supporte...
03/10/1992
5093617Hall-effect sensor having integrally molded frame with printed conductor thereon
A Hall-effect sensor, wherein a Hall element is disposed in a magnetic path being formed by a magnet and a flux guide, and the magnet, flux guide, and Hall element are integrally held with a molded frame, and the Hall element is fixed to the magnet (or fl...
03/03/1992
5090367Internal combustion engine distributor
A distributor for H.T. electrical voltage in an internal combustion engine has a base (2) supporting a cap (60). A shaft (1) arranged to rotate in synchronism with the engine rotation drives an apertured rotating plate (8) which is positioned between a li...
02/25/1992
5088459Distributor for igniting combustion engine
A distributor for igniting a combustion engine which comprises: a movable gear additionally provided rotatably on a first gear; and a resilient member provided between the movable gear and the first gear. The resilient member displaces in an amount larger...
02/18/1992
5078103Ignition distributor for internal combustion engines
The distributor comprises a rotatably mounted rotor, which has close to its axis of rotation a first electrode and has at its end that is remote from the axis of rotation a second electrode, which is connected by an electric line to the first electrode. T...
01/07/1992
5038729Distributor driving apparatus for engines
To improve ignition timing precision without being subjected to a harmful influence of gear backlash produced when the distributor unit is directly driven by a camshaft and further to mount the distributor unit on the front cover at any desired inclinatio...
08/13/1991
5028868Hall effect type sensing device and magnetic circuit device for a hall effect type sensor
A Hall effect type sensor comprises a magnet and a magnetic flux guide which cooperate to form a magnetic circuit and a Hall IC disposed in the magnetic circuit wherein these elements are fixed to a frame through holding members so that the magnetic flux ...
07/02/1991
5024185Ignition distributor of internal combustion engine
Leading means are disclosed for electrically connecting an electrical device contained in the housing of an ignition distributor of the internal combustion engine to the outside. A connecting section arranged in a location for contact with the terminal of...
06/18/1991
5014005Hall-effect sensor with component positioning element for detecting crankshaft angle
An assembling structure of a Hall-effect sensor device suitable to be used as a crankshaft angle sensor of an automotive internal combustion engine is disclosed. The device comprises: a frame of a resin material which includes a box-shaped accommodating p...
05/07/1991
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