Bizarre Patents
Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle
A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.
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| Number | Title | Issue Date |
| 7228730 | Pressure-measuring glow plug A pressure-measuring glow plug for a diesel engine with a plug body (3, 4) for insertion into a cylinder of the diesel engine, a heating rod (1) which is arranged in the plug body (3, 4), and a pressure sensor, which is arranged under an initial... | 06/12/2007 |
| 7059926 | Method of making a spark plug having a multi-tiered center wire assembly A method of making an ignition device and center wire assembly that includes first, second and third electrode members, a conductive seal, and a noise suppressing seal. The method locates the first electrode member at an axial end of the center wire assembly near a ... | 06/13/2006 |
| 7049733 | Spark plug center electrode assembly A spark plug having a center electrode assembly that includes a center electrode and precious metal insert that is both mechanically interlocked and welded to the center electrode in a manner that permits trapped gases to escape from between the two components. Also... | 05/23/2006 |
| 6992426 | Spark plug of an internal combustion engine A spark plug of an internal combustion engine, in particular for use in Otto-cycle gas engines, having an insulator body, at least one fixed ground electrode carrier arrangement and at least one fixed central electrode carrier, wherein a spark plug housing having at... | 01/31/2006 |
| 6930441 | Spark checker-spark arc gage An arc gage (30) includes a non-electrically conductive housing (42) and a first electrically conductive pin (44) that is disposed therein. The first pin (44) has a first end (44A) disposed within the housing (42) and a seco... | 08/16/2005 |
| 6822377 | Ignition device and method for producing it An ignition device, in particular, a spark plug for Otto engines, includes an electric connection (11) and a tubular metal housing (13) with a screw-in thread (18) stamped on it. At least one of the metal components of the spark plug is provided... | 11/23/2004 |
| 6611084 | Spark plug A tip portion of a center electrode 2 of a spark plug includes a tapered portion which is tapered such that the diameter reduces axially frontward. A convex portion 2k is formed at an axially intermediate position of the tapered portion so as to project r... | 08/26/2003 |
| 6582220 | Ignitor assembly for a fossil fuel-fired power generation system An ignitor assembly for a fossil fuel-fired power generation system includes an elongate electrode, a tube sub assembly, and a coupling sub assembly, and an insulator sub assembly. The coupling sub assembly cooperates with other structural elements of the... | 06/24/2003 |
| 6215233 | Spark plug In a spark plug, a main gap is formed between the center electrode and the ground electrode, and an auxiliary gap is formed between the center electrode and a projecting inner edge formed at an open end portion of the metallic shell. The inner wall surfac... | 04/10/2001 |
| 5838094 | Seals and igniters An igniter has an inner electrode extending with a forward and rear ceramic sleeve. The rear end of the forward sleeve projects as a sliding fit within the forward end of the rear sleeve. A nickel alloy flange with a flexible shoulder has an inner neck br... | 11/17/1998 |
| 5743777 | Method of manufacturing nickel core copper center electrodes The present invention relates to a spark plug electrode (14) of a first material having good thermal conductivity having a core (24) of a second material having good corrosion resistance. The first material may be copper, or a copper alloy, and the second... | 04/28/1998 |
| 5578894 | Spark plug for use in internal combustion engine In a spark plug having a center electrode and an outer electrode, at least one of which is made of a nickel-alloyed clad and a thermally conductive copper-alloyed core embedded in the nickel-alloyed clad, the copper-alloyed core includes an additive metal... | 11/26/1996 |
| 5530313 | Spark plug with copper cored ground electrode and a process of welding the electrode to a spark plug shell The present invention includes a spark plug with a copper cored ground electrode wherein the copper core has a cross-sectional area of about 1.6 mm2 to about 3.0 mm2 and the remainder of the electrode is made from a nickel alloy shea... | 06/25/1996 |
| 5210457 | Outer electrode for spark plug and a method of manufacturing thereof In an outer electrode, a rear end of which is securely connected to a metallic shell of a spark plug by means of welding to form a spark gap between a front end of the outer electrode and a firing tip of a center electrode which is concentrically placed w... | 05/11/1993 |
| 5202601 | Spark plug for internal combustion engine with recess in electrode tip A spark plug for use in an internal combustion engine comprises a central electrode made of a base metal and an earth electrode. A tip portion is provided on the central electrode. The tip portion includes a noble metal tip layer for defining a spark disc... | 04/13/1993 |
| 5172025 | Glass sealant of spark plug insulator for use in an internal combustion engine In a spark plug insulator, an electrically conductive sealant in provided to connect a center electrode to a terminal electrode which are provided within an axial bore of the tubular insulator. The glass sealant being made from the following materials: (a... | 12/15/1992 |
| 5144188 | Spark plug for internal combustion engine In a spark plug having a cylindrical metallic shell a front end of which is extended into a combustion chamber of an internal combustion engine, an insulator is provided within the metallic shell so as to provide an annular clearance between a front end o... | 09/01/1992 |
| 5101135 | Spark plug for use in an internal combustion engine In a spark plug for use in an internal combustion engine, a nickel-alloy based center electrode is placed into a metallic shell through a tubular insulator. An outer electrode is depended from the metallic shell to from a spark gap with a front end of the... | 03/31/1992 |
| 4972812 | Spark plug thermal control A spark plug with a heat pipe in the centerbore of the insulator thereof for controlling the operating temperature of the spark plug firing end automatically. A vaporizable medium in the heat pipe vaporizes when the load on the engine causes the temperatu... | 11/27/1990 |
| 4967116 | Spark plug having heat- and corrosion-resistant surface A metal body has a heat- and corrosion-resistant surface which is composed of a layer of nickel plating applied to a surface of a metal base and an electrolytic chromate film formed over the nickel plating. Preferably, the chromate film has a thickness of... | 10/30/1990 |
| 4954743 | Igniter plug structure having semicircular grooves This invention provides an igniter plug, having a plurality of grooves within an outer surface of an annular ground electrode (2), the diameter of which is reduced to about 13 mm. Each groove (6) generally has a semi-circular shape in cross section to all... | 09/04/1990 |
| 4814665 | Center electrode structure for spark plug In a center electrode structure for spark plug including a tubular insulator, the inner side of which has a stepped shoulder to provide a diameter-reduced bore therein; a center electrode having a flange, and concentrically placed into the insulator with ... | 03/21/1989 |
| 4810929 | Spark plug temperature control A spark plug having a heat pipe incorporated in the center conductor assembly in the insulator centerbore. The heat pipe is thermally non-conducting below a design temperature such that the firing end of the spark plug retains heat to burn off fouling dep... | 03/07/1989 |
| 4659960 | Electrode structure for a spark plug A spark plug having a center electrode comprises a ceramic insulator whose leg portion is shaped at the tip in a bag form so as to close the insulator bore. A firing tip is provided at the bag-shaped tip in a face-to-face relation with a side electrode by... | 04/21/1987 |
| 4540910 | Spark plug for internal-combustion engine A spark plug for internal-combustion engines has a spark discharge gap defined between at least two electrodes opposing to each other, and a platinum-containing wear-resistant discharging layer provided on one of the electrodes. The spark plug has a therm... | 09/10/1985 |
| 4539503 | Rapid-heating, high-temperature-stable spark plug for internal combustion engines In order to obviate the necessity for design compromise of spark plugs with respect to their operating temperature, so that the ceramic insulator (18) of the spark plug will rapidly reach the temperature at which deposits thereon will inherently burn off ... | 09/03/1985 |
| 4514656 | Combination sparkplug and combustion process sensor To permit adjustment of the combination sparkplug-optical sensor for heat transfer upon operation of the sensor-sparkplug combination as a sparkplug, in accordance with known sparkplug technology, the insulator of the sparkplug is formed with a central op... | 04/30/1985 |
| 4400643 | Wide thermal range spark plug A spark plug including an insulator body provided with a center bore and a bottom end defining a discharge end of the insulator body and a discharge center electrode formed in a region of the discharge end of the insulator body; a spark plug including the... | 08/23/1983 |
| 4093887 | Spark plug, particularly for internal combustion engines having composite center electrode The spark plug center electrode is a composite of a jacket of corrosion resistant material, central filamentary core electrode elements, likewise of corrosion resistant material, and a matrix of thermally and electrically highly conductive material in whi... | 06/06/1978 |
| 4029982 | Plug for internal combustion engine for limiting production of nitrogen oxide A plug for use in a cylinder of an internal combustion engine adapted to limit the production of nitrogen oxide (NOx). The plug has an inner cover which surrounds the ignition electrodes with the inner cover having an opening to provide communication betw... | 06/14/1977 |
| 4023058 | Spark plug An improved spark plug for use in internal combustion engines includes a center or first electrode positioned within a spark plug insulator member in a metal shell. An outer or second electrode extends from the metal shell and has a free end portion there... | 05/10/1977 |
