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| Number | Title | Issue Date |
| 7431004 | Method and device for operation of the glow plugs of a diesel engine A method and device for operation of glow plugs of a Diesel engine in which the type of glow plugs used is determined, by a parameter typical of the glow plugs, for example, the electrical glow plug resistance, being detected and evaluated. The detected values of th... | 10/07/2008 |
| 7351935 | Method for producing a ceramic heater, ceramic heater produced by the production method, and glow plug comprising the ceramic heater A method for producing a ceramic heater. Firing is conducted such that an element green body in which at least a portion containing a conductive ceramic that is to become a heating element after firing is held on a powder or green body of an insulating ceramic that ... | 04/01/2008 |
| 7319208 | Controller and glow plug for controlling energization modes There is provided a control device for a glow plug, capable of controlling the energization of a resistance heater of the glow plug by a resistance control process while attaining good resistance control response under cooling of the heater by fuel injection and com... | 01/15/2008 |
| 7230369 | Spark plug A spark plug includes a metal shell, an insulator, a center electrode, a ground electrode, and a terminal fixed to the insulator. The dimensional parameters in the structure of the spark plug, such as a maximum diameter A of the terminal and a diameter B of the insu... | 06/12/2007 |
| 7214908 | Glow plug integrated pressure sensor with filter trap In an integrated glow plug and pressure sensor having a passage leading to the pressure sensor, a porous filter is inserted in the passage. The porous filter provides a four-fold improvement in pressure measurement by (1) acting as a trap for combustion deposits, (2... | 05/08/2007 |
| 7109646 | Spark plug having center electrode with columnar portion and conical portion A spark plug is composed of a main metal fitting having a cylindrical structure, an insulator disposed inside the cylindrical main metal fitting, a center electrode fitted in the insulator in a manner that a front end portion of the center electrode projects outward... | 09/19/2006 |
| 6927362 | Sheath type glowplug with ion current sensor and method for operation thereof A sheathed element glow plug having an ionic current sensor and a method of operating such a sheathed element glow plug are provided. The sheathed element glow plug includes a housing and a rod-shaped heating element arranged in a concentric bore in the housing. The... | 08/09/2005 |
| 6921879 | Sheath type glow plug with ion current sensor and method for operation thereof A sheathed-element glow plug having an ionic-current sensor, as well as a method for operating a sheathed-element glow plug having an ionic-current sensor are described, the sheathed-element glow plug having a housing and a rod-shaped heating element arranged in a c... | 07/26/2005 |
| 6884967 | Multi-layer ceramic heater element and method of making same A ceramic heater element and a glow plug incorporating the novel heater element. The heater element has a base portion and a heater portion. Conductive, insulative and resistive layers extend through both the base and heater portions. An outer conductive layer is ap... | 04/26/2005 |
| 6722339 | Electromagnetic fuel ram-injector and improved ignitor An electromagnetic fuel ram-injector and improved ignitor. ... | 04/20/2004 |
| 6483079 | Glow plug and method of manufacturing the same, and ion current detector The present invention is to provide a glow plug (1) with an ion current detecting function, which is mounted in a combustion chamber of a Diesel engine. The glow plug includes an insulator (8); a heating element (6) embedded in the insulator and energized... | 11/19/2002 |
| 6439191 | Fuel ram-injector and igniter improvements An electromagnetic fuel ram-injector and improved igniter apparatus, comprising a fuel injector, and a fuel igniter in series with the injector, to ignite fuel passing through the injector.... | 08/27/2002 |
| 6437492 | Ceramic sheathed-type glow plug A ceramic sheathed element glow plug has a tubular metal casing holding a ceramic U-shaped heating device cantilevered at its end facing the combustion chamber, and on the end remote from the combustion chamber, it has a terminal pin for applying a voltag... | 08/20/2002 |
| 6378485 | Electromagnetic fuel ram-injector and improved ignitor An electromagnetic fuel ram-injector and an improved fuel ignitor are disclosed for independent as well as cooperative use. The injector includes the use of two opposing radially slotted disc armatures attached to a single tubular ram rod to supply fuel t... | 04/30/2002 |
| 6289869 | Electromagnetic fuel ram-injector and improved ignitor An electromagnetic fuel ram-injector and an improved fuel ignitor are disclosed for independent as well as cooperative use. The injector includes the use of two opposing radially slotted disc armatures attached to a single tubular ram rod to supply fuel t... | 09/18/2001 |
| 6276325 | Glow plug connection for model engines A glow plug (10, 150, 170, 190, 250) is provided for use in a model engine 12 and for connecting to a glow plug clip (30). The glow plug (10, 150, 170, 190, 250) includes a coil (38) having spaced apart first and second ends (42, 44), a first conductor (3... | 08/21/2001 |
| 6184497 | Multi-layer ceramic heater element and method of making same A ceramic heater element and a glow plug incorporating the novel heater element. The heater element has a base portion and a heater portion. Conductive, insulative and resistive layers extend through both the base and heater portions. An outer conductive ... | 02/06/2001 |
| 6144015 | Glow sensor--ceramic flat plate A glow sensor provides functions of both a diesel engine glow plug and an ion sensor for sensing engine combustion initiation and characteristics. A ceramic flat plate glow sensor element is carried by a tubular ceramic sleeve and insulating material in a... | 11/07/2000 |
| 5922229 | Glow plug with ion sensing electrode A glow plug includes a housing. A main body is at least partially disposed in the housing. The main body is supported with respect to the housing. A support member is included in the main body. A heating member is provided in the support member. A pair of... | 07/13/1999 |
| 5189280 | Glow plug for diesel engines A glow plug for diesel engines in which a ceramic heater is supported, with the one end thereof cantilevered toward the outside, by the tip of a hollow holder ceramic heater is composed of a U-shaped heating portion and a pair of leads extending backwards... | 02/23/1993 |
| 5091631 | Glow plug having a series connection of resistant filaments A glow plug for an air compressing internal combustion engine of the type having a tube which is closed at one end and connected to a plug housing on an opposite end with a wire filemant-like resistance element disposed in an insulating material within th... | 02/25/1992 |
| 5020489 | Interconnection arrangement for diesel engine preheating apparatus A diesel engine preheating apparatus connects a plurality of glow plugs arranged in corresponding cylinder chambers of a multicylinder diesel engine in series or parallel with or in series and parallel with a power source. The glow plugs are selected from... | 06/04/1991 |
| 4821690 | Energization control apparatus for glow plug An energization control apparatus for a glow plug connected between ground and the emitter of an npn transistor and turning on/off the npn transistor to control an amount of power to be supplied to the glow plug includes a control signal generator (20) fo... | 04/18/1989 |
| 4682008 | Self-temperature control type glow plug A self-temperature control type glow plug includes a rod heater held at a front end of a hollow metal holder and having one end extending outside the hollow metal holder. The rod heater includes a heating section made of a conductive ceramic material with... | 07/21/1987 |
| 4582981 | Glow plug having a resistive surface film heater A glow plug having a hollow cylindrical metal shell, an axial electrical terminal, and a heater member protruding externally from the shell. The heater member has a surface film heater element disposed on at least one surface of an electrically nonconduct... | 04/15/1986 |
| 4437440 | Auxiliary combustion chamber preheating device An auxiliary combustion chamber preheating device having a glow plug for a diesel engine with a metal shell threadedly mountable on the engine and a center electrode having a rod-like configuration. A tubular heat generating element having an opened end a... | 03/20/1984 |
| 4418661 | Glow plug, particularly for diesel engine To decrease the preheat time and power requirements in preheater-type glow plugs for Diesel engines, a closed ceramic tube (20), for example of aluminum oxide and of about 5 mm diameter has, on the bottom (21) thereof applied a layer or film-like heater e... | 12/06/1983 |
| 4398522 | Intake heating device of an internal combustion engine An intake heating device of an engine, comprising a hollow heater vessel placed in the intake passage. The heater vessel comprises an inner pipe, an outer pipe, and a plurality of PTC elements inserted between the inner pipe and the outer pipe. The outer ... | 08/16/1983 |
| 4351291 | Glow plug A glow plug for accelerating the ignition of fuel in a combustion chamber of a diesel engine is disclosed. The glow plug comprises a shell releasably engagable with a head of a combustion chamber of the diesel engine, and an electrically conducting, tubul... | 09/28/1982 |
| 4345555 | Self-heating ignition plug A self-heating type ignition plug according to the present invention includes a base portion having a fixing portion formed on an outer wall thereof and a terminal insulately provided therein and connected to an electrical source; an ignition means, integ... | 08/24/1982 |
| 4211204 | Glow plug arrangement To heat the glow plug for an internal combustion engine, a spiral band or ribbon is wound in an essentially co-planar spiral about a central bolt secured to the bottom of the glow plug, the outer terminal of the spiral being connected to a lead-in with hi... | 07/08/1980 |
| 4200077 | Glow plug structure To prevent damage to the heating wire of an electrically heated glow plug due to non-uniform expansion of materials within the glow plug upon heating thereof, and particularly due to excessive expansion of filler material surrounding a spiraled heating wi... | 04/29/1980 |
| 4088105 | Glow plug In a glow plug igniter of the type used in internal combustion engines, having a hollow cylindrical casing and a central pin-terminal, a substantially flat-spiral-coiled, flexible resistance element, oriented perpendicularly to said pin-terminal with one ... | 05/09/1978 |
| 4080944 | Glow plug with idle bar In a glow plug igniter of the type used in internal combustion engines, having a hollow cylindrical casing and a central pin-terminal, a substantially flat-spiral-coiled resistance element, flexible in a direction out of its plane, oriented perpendicularl... | 03/28/1978 |
| 4061120 | Ignition device for engines Disclosed are cell-type ignition devices for Otto cycle internal combustion engines, said devices having cylindrical cells with end orifices communicating with the engine combustion chamber. The devices include housing and mounting means for thermally iso... | 12/06/1977 |
| 3980067 | Primer valve for model engines A primer valve for a 2-cycle model engine attached to an accessible portion of the engine to facilitate starting thereof. The valve is provided with direct access to the engine cylinder and with a check valve responsive to the continuous positive internal... | 09/14/1976 |
| 3954093 | Ignition device for engines Disclosed are cell-type ignition devices for Otto cycle internal combustion engines, said devices having cylindrical cells with end orifices communicating with the engine combustion chamber. The devices include housing and mounting means for thermally iso... | 05/04/1976 |
