| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219270000 | With igniter unit structure | 48 |
| 20080302776 | Ceramic heater, and glow plug using the same - The protrusion | 12-11-2008 |
| 20080302777 | Glow plug and method of manufacturing the same - A glow plug and related manufacturing method are disclosed. The glow plug includes a heating section for heating a combustion chamber of an engine for promoting an ignition. The heating section includes a ceramic heating element developing a heat when applied with electric power, a ceramic insulating support body embedded with the heating element, and a pair of lead wires connected to the heating element and having terminal portions exposed to a surface of the insulating body. The heating element has a positive temperature coefficient of resistance and includes: (a) initial resistance R | 12-11-2008 |
| 20080314890 | Ceramic igniters - Ceramic igniters are provided that comprise at least three zones of differing electrical resistance, preferably in sequence a first conductive zone of relatively low resistance, a power booster or enhancement zone of intermediate resistance, and a further hot or ignition zone of high resistance. Igniters of the invention can provide extremely high speeds (low time-to-temperature). | 12-25-2008 |
| 20090090705 | GLOW PLUG AND MANUFACTURING METHOD OF THE SAME - A sheath heater for a glow plug comprises a sheath tube having a closed front end portion, and an open rear end portion. An insulating powder is charged into a gap between the sheath tube and a heat-generating resistor disposed within the sheath tube. A seal member includes an expanded portion extending radially outwardly from an outer circumference of the seal member, and a non-expanded portion of a smaller outside diameter than the expanded portion and formed on the outer circumference of the seal member at least at a leading end of the seal member. The seal member is fitted into the open rear end portion of the sheath tube such that the leading end enters the sheath tube first. The sheath tube is deformed radially inwardly around the seal member for sealing the heat-generating resistor and the insulating powder contained in the sheath tube. | 04-09-2009 |
| 20090120923 | WATER HEATER OF ENDORSEMENT WITH IONIZED IGNITION AND ELECTRONIC CONTROL OF TEMPERATURE, FOR SOLAR HEATERS OF THE TYPE THERMOSIPHON - A backup water heater for a solar water heater operates by means of an electronic card that initiates the operation of the heater in response to temperature and flow signals. A burner is lit gradually by an electrical spark emitted by a spark plug connected to the electronic card, which controls gas feed to the burner. As soon as the burner is lit, the electric current generated by the first spark plug is transformed by the ionization effect, changing the polarization of the current, which is detected by another spark plug that emits the change signal to the electronic card for further control of the water heater. | 05-14-2009 |
| 20090173729 | Ceramic heating elements - New ceramic heating elements are provided that have a recessed portion for receiving an electrical lead. Such ceramic heating elements can provide a reduced cross-sectional dimension across element regions that interface with electrical lead(s) as well as a more secure engagement of an electrical lead. Heating elements can be highly useful in a variety of application, including e.g. for fuel ignition for gas cooking appliances as well as vehicular glow plugs. | 07-09-2009 |
| 20090179024 | GROUNDED CRYSTALLINE HEATING RIBBON - The present invention is directed to a heating ribbon comprising a thin elongated electrically resistive sheet made from a crystalline metal alloy surrounded by at least two electrically insulating layers, wherein the heating ribbon further comprises internal ground means in the form of an electrically conducting foil which is interposed between said insulating layers. | 07-16-2009 |
| 20090184100 | HEAT RESISTING VACUUM INSULATING MATERIAL AND HEATING DEVICE - A heating device which can prevent unused active chemical species from attaching to the bodies of various vacuum devices or depositing on the inner wall of their exhaust pipes to thereby be able to make the size of exhaust pipes smaller than before and make the exhaust pipe maintenance easier. The heating device comprises a heat resisting vacuum insulator ( | 07-23-2009 |
| 20090184101 | SHEATHED GLOW PLUG - A glow plug which includes an annular metal shell, thermally conductive tubular sheath, central electrode; resistance heating element, and electrically insulating, thermally conductive powder includes a glass seal in sealing engagement with the sheath and the electrode to form a sealed cavity within the sheath. The glass seal may include silicate, borate and borosilicate glasses, and may include one or more transition metal oxides, such as oxides of chromium, cobalt, nickel, iron and copper. The glass may also include a filler, including a ceramic oxide, such as one selected from a group consisting of quartz, eucryptites, leucites, cordierites, beta-spodumene, glass-ceramics, low-expansion glass(CTE<5 ppm/° C.), mullite, zircon, zirconia and alumina. The sealed cavity may house a protective inert gas. The resistance heating element may be formed from a metal selected from a group consisting of tungsten, molybdenum, or alloys containing tungsten, molybdenum, nickel, iron, tantalum, niobium, titanium, vanadium, osmium and chromium. | 07-23-2009 |
| 20090194519 | Ceramic Heater and Glow Plug - Disclosed is a ceramic heater capable of preventing failures due to the thermal stress, such as cracks, and corrosion by a calcium component. The ceramic heater has a heating element including at least one substance selected from silicides, nitrides and carbides of molybdenum and silicides, nitrides and carbides of tungsten as a main component, and a base mainly containing silicon nitride in which the heating element is embedded, wherein the base includes: a rare earth element component in an amount from 4 to 25% by mass in terms of an oxide thereof; a silicide of chromium in an amount from 1 to 8% by mass in terms of chromium silicide; and an aluminum component in an amount from 0.02 to 1.0% by mass in terms of aluminum nitride. | 08-06-2009 |
| 20090206069 | Heating element systems - New heating systems are provided that include a mating block element that reliably encases a resistive igniter element. Preferred igniter systems can prevent undesired moisture and other materials from contacting electrical lead portions of the igniter element. | 08-20-2009 |
| 20090212035 | Glow plug and methods for the production thereof - The invention relates to a spark plug and method for manufacturing it, which spark plug has been manufactured from one electrically conductive element and one electrically non-conductive element, sintered composite ceramic material having been used for the manufacture. These spark plugs can preferably be used for stationary-mode heaters, operated with fuels, of motor vehicles. According to the object which is set, it should be possible to manufacture such spark plugs cost-effectively and flexibly and at the same time provide an extended service life and oxidation resistance. The conductive element here is to be embraced on two opposite sides by the electrically non-conductive element and it has an enlarged cross section in the distal region while a cross-sectional ratio of between 2.5 and 5 to 1 is maintained with respect to the cross section of the electrically conductive element. The cross-sectionally tapered proximal heating region of the electrically conductive element is covered by 60 to 85% of its surface by the material of the electrically non-conductive element. | 08-27-2009 |
| 20090308858 | Hot zone igniter - An igniter for igniting combustible gases in a hot zone, such as in a solid oxide fuel cell, comprising a subassembly including an electrical resistance heating tip comprising SiC, metal leadframe clips formed of a nickel-based superalloy and attached to the heating tip, wire leads formed of a nickel-chromium alloy and connected to the leadframe clips for supplying electric current to the heating tip, and a nickel-based braze alloy comprising palladium and cobalt for connecting the leadframe clips to the heating tip and to the wire leads; an alumina ceramic body for receiving the brazed subassembly; and a potting compound comprising zirconia for potting the subassembly into the alumina ceramic body. | 12-17-2009 |
| 20090314761 | METHOD FOR MANUFACTURING GLOW PLUG AND GLOW PLUG - A first center pole ( | 12-24-2009 |
| 20090321408 | SEAL FOR A GLOW PLUG - A glow plug for a combustion chamber of a self-igniting internal combustion engine has a ceramic heating element designed as a sheathed-element glow plug, which is surrounded by a supporting tube. The ceramic heating element is sealed with respect to the combustion chamber of the internal combustion engine by a seal in the supporting tube. The seal is designed as a sealing element made of an FeNi alloy having an Invar effect. | 12-31-2009 |
| 20100000982 | Composite Conductor, in Particular for Glow Plugs for Diesel Engines - Composite conductor comprising a metallic conductor and a ceramic conductor or non-conductor, at least one of them being elongate, the two being connected with each other in an electrically conductive manner. The ceramic conductor or non-conductor and the metallic conductor are hard-soldered to each other by a contact surface extending obliquely to the longitudinal direction of the at least one elongate conductor, and has one of the conductors tapers at its end and the other conductor has a matching tapering recess. The tapering end of the conductor is fitted into the tapering recess. | 01-07-2010 |
| 20100032423 | Sheathed Element Glow Plug Having an Integrated Pressure Measuring Element - In combustion chamber signal-based engine control in particular, a reliable and at the same time cost-effective option for detecting a combustion chamber pressure in compression-ignition internal combustion engines is required. A sheathed element glow plug is proposed, which has a glow plug module and a pressure measuring module connected to the glow plug module. The glow plug module has a heating element and a glow plug housing. The pressure measuring module has at least one force measuring element, which is integrated into the pressure measuring module. The at least one force measuring element is designed to generate an electrical signal as a function of a force. In the mounted state of the sheathed element glow plug, the at least one force measuring element is connected to the heating element in such a way that a force is transmittable to the at least one force measuring element via the heating element. | 02-11-2010 |
| 20100059496 | METAL SHEATH GLOW PLUG - A glow plug ( | 03-11-2010 |
| 20100078421 | GLOW PLUG ADN HEATER ASSEMBLY THEREFOR WITH AN IMPROVED CONNECTION BETWEEN A CENTRAL ELECTRODE AND A HEATER PROBE OF THE HEATER ASSEMBLY - A glow plug has an annular metal shell and a heater assembly including a central electrode and a heater probe. The metal shell is configured to receive the heater assembly therein. The central electrode has an elongate body extending between a terminal end configured for electrical communication with a power source and an attachment end. The heater probe has an elongate body extending between a proximal end and a free distal end. Either the attachment end of the central electrode or the proximal end of the heater probe has a recessed pocket with a tapered inner surface converging axially extending axially therein. The other of the attachment end of the central electrode or the proximal end of the heater probe has a tapered outer surface configured for receipt in the recessed pocket. | 04-01-2010 |
| 20100084391 | SPARK PLUG, AND ITS MANUFACTURING METHOD - A spark plug of the present invention includes a cylindrical metal shell, a cylindrical ceramic insulator retained in the metal shell, a center electrode retained in the ceramic insulator and extending in an axial direction, and a ground electrode formed into a bent shape and having a rear end portion fixed to the metal shell and a front end portion facing a front end portion of the center electrode with a gap left therebetween. The ground electrode contains a large thickness region formed on a rear end side thereof with a large thickness, a small thickness region formed on a front end side thereof with a smaller thickness than that of the large thickness region, a protruding region formed on the small thickness region and facing the center electrode and a thickness changing region formed between the large thickness region and the small thickness region and located at a different position from a position of a minimum curvature radius region of the bent shape of the ground electrode. | 04-08-2010 |
| 20100133252 | GLOW PLUG AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a glow plug capable of preventing a deformation or eccentricity of the coil, thereby improving a durability of the coil and preventing a variation in temperature-rising characteristic. Also, the present invention provides a method for manufacturing the glow plug. | 06-03-2010 |
| 20100133253 | GLOW PLUG WITH IMPROVED SEAL, HEATER PROBE ASSEMBLY THEREFOR AND METHOD OF CONSTRUCTION THEREOF - A heater probe assembly, a metallic glow plug assembly therewith and method of constructing the heater probe assembly is provided. The metallic glow plug assembly includes a metal shell having a through bore and a metal sheath extending between a distal end and a terminal end. The terminal end of the metal sheath is fixed in the through bore of the shell. Further, an electrode is provided having an end with a heating element attached to thereto. The heating element and end of the electrode are received in the sheath. A packing powder is disposed in the sheath about the heating element. Further, a ceramic seal has an outer surface attached to the sheath by a braze joint and an inner surface attached to the electrode by a braze joint. The ceramic seal provides a hermetic seal between the packing powder and an environment external to the sheath. | 06-03-2010 |
| 20100243635 | CERAMIC HEATER AND METHOD FOR PRODUCING SAME - A method for producing a ceramic heater includes performing firing at 1,600° C. to 1,750° C. in a state in which front and back surfaces of an inner shaped body | 09-30-2010 |
| 20100288747 | CERAMIC HEATER AND GLOW PLUG PROVIDED THEREWITH - The ceramic heater comprises a heating resistor that includes opposing portions disposed side by side, a pair of lead members connected to ends of the heating resistor, and a ceramic base in which the heating resistor and the lead members are embedded, wherein a high heat conductivity member that has a heat conductivity higher than that of the ceramic base is disposed between the opposing portions in the ceramic base. | 11-18-2010 |
| 20110031231 | Ceramic Heater and Glow Plug Using the Same - The protrusion | 02-10-2011 |
| 20110056925 | Pressure Measuring Glow Plug - The invention relates to a glow plug for diesel engines, having a glow plug body comprising an external thread for threading into a threaded hole of a diesel engine, a heating rod that is displaceable in an axial direction of the glow plug body and protrudes from it, a pressure measuring device for measuring a combustion chamber pressure acting on the heating rod, and a sealing membrane disposed between the glow plug body and the heating rod. It is provided according to the invention that an annular or sleeve-shaped vibration damper composed of a perfluorelastomer is disposed between the glow plug body and the heating rod for damping radial oscillations of the heating rod. | 03-10-2011 |
| 20110068091 | Ceramic Heater and Glow Plug - The ceramic heater used in a glow plug, which is used under harsh conditions, is required to be improved in durability. The ceramic heater | 03-24-2011 |
| 20110108541 | IGNITER - Disclosed is an igniter. In one aspect, the igniter has one or more conductive electrodes made from a conductive plastic and is surrounded by a non-conductive plastic. A conductive sleeve made from conductive plastic can optionally surround the non-conductive plastic. A high voltage signal can be sent from one end of the electrode to the second end where an arc is formed between the second end of the electrode and a second electrode or the conductive sleeve. The arc can ignite combustible material in the vicinity, including potentially the non-conductive sleeve. | 05-12-2011 |
| 20110114622 | CERAMIC HEATER AND GLOW PLUG - A ceramic heater ( | 05-19-2011 |
| 20110180525 | GLOW TUBE, IN PARTICULAR FOR A SHEATHED-ELEMENT GLOW PLUG - A glow tube, in particular for a sheathed-element glow plug. The glow tube, which has a dome-shaped, closed end section ( | 07-28-2011 |
| 20110215080 | Glow plug and method for producing the same - The invention relates to a glow plug comprising a housing, a ceramic pencil-type glow element which projects from the housing with a first end and is arranged inside the housing with a second end, a feed line which is arranged in the housing and leads to the pencil-type glow element, and a sleeve-type element which surrounds a section of the pencil-type glow element projecting from the housing. The invention is characterized in that the pencil-type glow element has a section surrounded by the housing which section tapers towards the second end, the pencil-type glow element is encircled by a contact element in the housing, which contact element has a section that narrows towards the second end of the pencil-type glow element, said narrowing section encircling at least a subsection of the tapered section of the pencil-type glow element. The invention further relates to a method for producing said glow plug. | 09-08-2011 |
| 20110240628 | GLOW PLUG WITH PERMANENT DISPLACEMENT RESISTANT PROBE TIP JOINT - A glow plug has a heater probe that can be axially misaligned relative to a central axis of an outer metal shell and of a center electrode and thereafter return automatically to its axially aligned configuration with the central axis. The outer shell has a through bore extending along the central axis. The center electrode is received in the though bore and extends along the central axis. The heater probe is attached in electrical communication with the center electrode in the through bore and extends along the central axis axially outwardly from a distal end of the shell. An annular flex joint provides the sole source of attachment of the outer shell to the heater probe via one end of the flex joint being attached to the outer shell adjacent the distal end and another end of the flex joint being attached to the heater probe. | 10-06-2011 |
| 20110240629 | GLOW PLUG - The invention relates to a glow plug comprising a housing ( | 10-06-2011 |
| 20110253697 | Ignition Source System for an Exothermic Reaction Mold Device - An ignition source system for an exothermic reaction mold device for welding conductors. The system includes a crucible in a block with an open top so that the crucible receives an exothermic weld material. The conductors to be welded exothermically are placed in the weld cavity of the mold. A lid covers the open top wherein the lid has an opening therethrough. An electronic thermal igniter assembly has an ignition component receivable through the opening in the lid so that the exothermic weld material may be ignited by the electronic thermal igniter assembly. The igniter plug rests on top of the lid and the ignition body is retained in a recess within the igniter plug. | 10-20-2011 |
| 20120061373 | AXIAL RESISTANCE SHEATHED HEATER - An axial resistance sheathed heater is presented. The axial resistance sheathed heater includes a retaining sheath having a first end and a second end and a resistance wire completely disposed within the retaining sheath. The heater further includes a first conductor rod partially disposed within the retaining sheath and extending beyond the first end of the retaining sheath, the first conductor rod in direct electrical communication and direct mechanical communication with the resistance wire; and a second conductor rod partially disposed within said retaining sheath and extending beyond the second end of the retaining sheath, the second conductor rod in direct electrical communication and direct mechanical communication with the resistance wire. The resistance wire, the first conductor rod and the second conductor rod comprise a circuit achieving a power to voltage rating of about 5000:24. | 03-15-2012 |
| 20120067863 | GLOW PLUG AND METHOD OF MANUFACTURING THE SAME - A configuration in which fixing is performed by inserting a rear end of a lead shaft member into an attachment hole of an external terminal at the rear of a glow plug and crimping an outer peripheral face of the external terminal. The outer peripheral face of a crimp formation region ( | 03-22-2012 |
| 20120145695 | MULTI-LAYER CERAMIC HEATER AND/OR IGNITER AND METHOD FOR MAKING THE SAME - A multi-layer rod shaped ceramic igniter includes an elongated tapered electrode having a central core of resistant material and two annular segments. One of the segments in on one side of the core and the other on an opposite side and connected to two slightly converging facets extending along the core. The multi-layered rod shaped ceramic igniters disclosed herein may be manufactured by slip-casting, injection molding or extruding a green annular body and removing material from opposite sides of the green body to form two almost parallel but slightly converging facets that extend over the heater igniter between the back surface and the tip of the igniter. After removing material between the annular segments the igniter is air dried and then heated in a vacuum at atmospheric pressure to approximately 900° C. in order to burn off the organic binder. The ceramic is then held in an inert atmosphere and heated to a temperature of 1600° C. and under an isotatic pressure of greater than 10 mega pascales for sintering the layer into a unitary monolithic structure. | 06-14-2012 |
| 20120160821 | GLOW PLUG WITH A LOAD SENSING SLEEVE SURROUNDING THE HEATING ROD OUTSIDE THE COMBUSTION CHAMBER - A glow plug includes a heating rod ( | 06-28-2012 |
| 20120193343 | Portable Rechargeable Battery Powered Flameless Cigar Lighter - The present invention relates to a sheet like resistance heating element for a battery powered lighter. The heating element includes a first terminal for connecting the heating element to a first contact of an electrical circuit and a second terminal for connecting the heating element to a second contact of the electrical circuit. The heating element further includes a heat generating body arranged between the first terminal and the second terminal, the heat generating body providing an electrical current path between the first terminal and the second terminal, wherein the heat generating body comprises a planar contact surface along the path, whereby a width of said contact surface in the plane is substantially greater then a thickness of the heat generating body. | 08-02-2012 |
| 20130180975 | GLOW PLUG TERMINAL AND GLOW PLUG - A glow plug having a main body bracket, a heater, a center shaft, an insulator, an O-ring that is provided between the front end surface of the insulator and the main body bracket, and a pin terminal that is fitted to the rear end portion of the center shaft and used for supplying electricity from the outside. The pin terminal includes a small-diameter portion, a flange, and a large-diameter portion where an engagement portion and a fitting recess are formed. The large-diameter portion includes a crimp formation region, which is formed so as to have the even outer diameter and be capable of being crimped, in a range from the front end thereof to the front end of the engagement portion. A part of the crimping target portion forms a crimping portion that fixes the rear end portion of the center shaft by crimping. | 07-18-2013 |
| 20130248508 | GLOW PLUG - A glow plug ( | 09-26-2013 |
| 20130284714 | HEATER AND GLOW PLUG PROVIDED WITH SAME - A heater includes: a resistor having a heat-generating portion; a lead joined to an end portion of the resistor; and an insulating base body covering the resistor and the lead, the lead being made to have a portion whose profile is narrowed toward a distal end on a heat-generating portion side of the lead, a joining portion of the resistor and the lead being a region where the resistor is spaced apart from the insulating base body through the lead as viewed in cross section perpendicular to an axial direction of the lead. | 10-31-2013 |
| 20130313244 | CERAMIC HEATER AND MANUFACTURING METHOD THEREOF - A ceramic heater including a columnar substrate and a heat generation resistor embedded in the substrate. A taper surface ( | 11-28-2013 |
| 20140138373 | CERAMIC HEATER-TYPE GLOW PLUG - A ceramic heater-type glow plug is provided that is configured so that, even when a deformation occurs in a metal outer cylinder, stress propagating to the connection between one electrode of a ceramic heater and an electrode lead-out member can be reduced to prevent the ceramic heater and the electrode lead-out member from being damaged. | 05-22-2014 |
| 20140246417 | HEATER AND GLOW PLUG INCLUDING THE SAME - The present invention provides a heater including an insulating base made of ceramic, and an electrically conductive line embedded in the insulating base. The electrically conductive line contains electrically conductive grains and ceramic grains. The average grain size of the ceramic grains in the electrically conductive line is smaller than the average grain size of the ceramic grains in the insulating base. | 09-04-2014 |
| 20140339214 | GLOW PLUG - This disclosure relates to a glow plug comprising a housing and a glow pencil protruding from the housing. The glow pencil has a metal sleeve in which a heating coil and a control coil are arranged. The metal sleeve has a first portion surrounding at least part of the heating coil and a second portion surrounding at least part of the control coil. The first portion has a smaller wall thickness than the second portion. Also disclosed is an inventive method for producing a glow pencil for a glow plug. | 11-20-2014 |
| 20160061447 | CERAMIC HEATER - A ceramic heater of the invention includes a ceramic structure; a heat-generating resistor embedded in the ceramic structure; and a feeder line embedded in the ceramic structure so as to be connected, at one end thereof, to the heat-generating resistor. The feeder line is made of metal, and metal grains of a center region of the feeder line are greater in grain size than metal grains of an outer periphery region of the feeder line. Even if a crack developed in the outer periphery region of the feeder line propagates through grain boundaries in the outer periphery region and comes near the center region, propagation of the crack through the interior of the center region can be suppressed. | 03-03-2016 |
| 20160109125 | HOT SURFACE IGNITERS AND METHODS OF MAKING SAME - A method of making a hot surface igniter is described. A silicon carbide composition that includes both fines fraction and a coarse fraction is sintered in a nitrogen and argon reducing atmosphere in a manner that controls the incorporation of nitrogen with in the lattice of recrystallized silicon carbide. The controlled incorporation of nitrogen in the lattice provides enhanced control over heating and electrical properties, while simultaneously achieving a lower surface area fully recrystallized structure for oxidation resistance and long service life. | 04-21-2016 |
