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| Number | Title | Issue Date |
| 8082090 | 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... | 12/20/2011 |
| 7829824 | Pressure pickup heating bar, in particular for a pressure pickup glow plug A pressure pickup heating bar, in particular for a pressure pickup glow plug, having an electrical heating element (1) and a pressure sensor (3) onto which the pressure present at the heating bar (1) is transmitted. The heating bar has a support... | 11/09/2010 |
| 7816630 | Device for receiving ceramic heating elements and method for the manufacture thereof A device and a method for receiving ceramic heating elements (PTC elements, cold conductors) in a heating device use an insulating frame and at least one contact plate held by the latter and on which the heating elements can be placed. The contact plate is frictiona... | 10/19/2010 |
| 7740513 | Method and device for manufacturing a noble metal armored electrode for a sparking plug Method and device for manufacturing a noble meal reinforced electrode for a spark plug. A base electrode element (1) is formed and positioned in a retaining attachment (2). A noble metal piece (3) is arranged by a suitable attachment (4) ... | 06/22/2010 |
| 7659492 | Method for operating an electrical device A method for operating a device in which typically a very high current is generated when the device is turned on compared to the rated current, e.g. an analogue operated PTC heating device for a mobile device, such as a vehicle, is disclosed. In this method, the pow... | 02/09/2010 |
| 7504606 | Apparatus and method for separating fluid flows in a heating device An apparatus for separating fluid flows in a heating device, particularly for heating the interior of a motor vehicle is proposed, the heating device having at least one heater equipped with a plurality of lamellar heat emission or delivery elements. In order to ens... | 03/17/2009 |
| 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 |
| 7337657 | Pressure glow plug for a diesel engine A pressure glow plug for a diesel engine has a glow plug body 2 for being inserted into a cylinder of the diesel engine, a heating rod 1 that is arranged in the glow plug body 2 and a pressure sensor 9 that is arranged between the heating... | 03/04/2008 |
| 7335857 | Glow plug including a rod-shaped heating element attached in a tubular carrier element by having been magnetically deformed A rod-shaped heating element with a tubular carrier element attached to a cylindrical carrier ring and to the rod-shaped heating element using a magnetic forming process, the carrier ring and the rod-shaped heating element being within the tubular carrier element wi... | 02/26/2008 |
| 7332693 | Tube and method for bracing functional elements in the same Functional elements, particularly PTC heating elements, are braced in a hollow reception means, such as a profile tube. The reception means have two at least partly concave top wall areas facing one anther and flat sides of the functional elements and in this way pe... | 02/19/2008 |
| 7234430 | Method for heating a glow plug for a diesel engine A method for heating a glow plug for a diesel engine to its desired temperature by supplying power to the glow plug in a controlled fashion. During a certain time interval after termination of a previous glow process, a mathematical model is used to determine the va... | 06/26/2007 |
| 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 |
| 7193183 | Glow plug connector and system with a coupling, glow plug connector and glow plug A glow plug connector for a glow plug with built-in sensor, especially built-in pressure sensor, comprising a casing made of an electrically insulating material, which can be placed onto the glow plug. Provided centrally in the casing is a high-current connection wh... | 03/20/2007 |
| 7160584 | Method for manufacturing ceramic glow plugs A method for manufacturing a ceramic glow pin which is formed of more than two layers arranged especially coaxially to the axis of the glow pin and symmetrically. The layers of the layer structure are manufactured by co-extrusion. ... | 01/09/2007 |
| 7087868 | Heating device In order to create a heating device which can operate in different power stages, but only has to be contacted from one side, the invention provides a heating device with at least two plate-like ceramic heating elements, which are electrically contacted on opposite f... | 08/08/2006 |
| 7084374 | Heating flange A heating flange especially for the preheating of the intake air of an internal combustion engine with a frame (8), a supporting ceramic element (2) with a heating band (10) fitted thereto. The supporting ceramic element 2 is held in the ... | 08/01/2006 |
| 7064293 | Heating element for preheating intake air for an internal combustion engine A heating element for preheating intake air for an internal combustion engine and having a housing for attaching the heating element to an air intake line of the internal combustion engine. At least one heating strip (1), which runs in windings (1a | 06/20/2006 |
| 7032438 | Pressure gauge glow plug A pressure gauge glow plug for a diesel engine having a plug body, a heating element, and a pressure sensor, which is positioned under pretension between the heating element and the plug body in such a way that the pressure sensor experiences the pressure existing i... | 04/25/2006 |
| 7002106 | Method and device for controlling the heating of glow plugs in a diesel engine A process and device for controlling the heating of the glow plugs of a diesel engine. To be able to take into consideration the thermal behavior of the glow plugs while controlling the current supply of the glow plugs (3) of a diesel engine, the thermal beha... | 02/21/2006 |
| 6911630 | Air heater Air heater with PTC heating element with semiconductor switch, the semiconductor switch (5) without the housing being located in the heating tube (9) in the immediate vicinity of the PTC heating element (15). ... | 06/28/2005 |
| 6906288 | Method and device for controlling the heating of glow plugs in a diesel engine A process and device for controlling the heating of the glow plugs of a diesel engine. To be able to take into consideration the thermal behavior of the glow plugs while controlling the current supply of the glow plugs (3) of a diesel engine, the thermal beha... | 06/14/2005 |
| 6872922 | Method for operating a multi-stage electrical heater comprised of several heating elements A method for operating a multi-stage electrical heater comprised of several heating elements. In conventional multi-stage electrical heaters, the resistance value of the individual heating elements scatters. In order that the individual heating elements emit the sam... | 03/29/2005 |
| 6833658 | Middle electrode with precious metal reinforcement and a process for producing the same Process for producing a middle electrode with precious metal reinforcement, a middle electrode being used with an ignition tip which is tapered relative to the middle electrode body, such that a precious metal wire with a cross section which corresponds to the taper... | 12/21/2004 |
| 6810203 | Electrical motor vehicle air heater with grounded housing An electrical air heating apparatus, especially for a motor vehicle, with electrical heating elements (3) for heating air and a housing (1) which has a ground connection (1a), an electrical supply connection and an electronic circuit (... | 10/26/2004 |
| 6807041 | Electronic triggering for heating elements A heating element and a process for conducting the operating heat of a semiconductor switch to a heating cell which is triggered by the semiconductor switch via first and second heat and current conducting material strips and a frame terminal with an interposed heat... | 10/19/2004 |
| 6791246 | Spark plug and method for its manufacture A method for manufacturing spark plugs with central and body electrode(s) armed with noble metal inserts, in which the tip of a central electrode which is pyramid or conic shaped with a base diameter (d), is liquefied by being pressed against a noble metal ball with... | 09/14/2004 |
| 6753505 | Glow plugs and a method of producing glow plugs A method of producing a glow plug including a glow tube (5) with internal heating coil (4) and optionally regulating coils which are embedded therein using a ceramic filling, whereby a compaction of an area on a combustion chamber side of the glow tube... | 06/22/2004 |
| 6736098 | Method and device for controlling the heating of the glow plugs in a diesel engine A method and device for controlling the heating of the glow plugs in a diesel engine, wherein the engine temperature is determined, independently of initialization of the engine control system and following a signal for starting the engine, by a sensor communicating... | 05/18/2004 |
| 6734400 | Method of joining a rod-shaped heating element with a tubular carrier element, and a glow plug including a rod-shaped heating element in a tubular carrier element Method of joining a rod-shaped heating element with a tubular carrier element involving attaching a cylindrical carrier ring to the rod-shaped heating element using a magnetic forming process and inserting the carrier ring and the rod-shaped heating element into the... | 05/11/2004 |
| 6715472 | Cold starter for an automobile engine Cold starter for use with a diesel engine having a combustion chamber, an intake air channel, and an air filter, which includes an electrical heating device mounted either in the intake air channel or within the air filter casing. ... | 04/06/2004 |
| 6712032 | Method for heating up an electrical heating element, in particular a glow plug for an internal combustion engine Method for heating an electrical heating element, for example, a glow plug for an internal combustion engine, from an initial temperature to the operating temperature. In order to prevent the heating element from overheating in cases where the initial temperature is... | 03/30/2004 |
| 6705009 | Process for producing middle electrode Process for producing a middle electrode with precious metal reinforcement, a middle electrode being used with an ignition tipwhich is tapered relative to the middle electrode body, such that a precious metal wire with a cross section which corresponds to the tapere... | 03/16/2004 |
| 6649875 | Sheathed-element glow plug and method for its production A sheathed-element glow plug including a glow plug body and a heating rod inside the glow plug body, and a heating element. Optionally, the glow plug includes a control element, embedded in insulating material, associated with said heating element which i... | 11/18/2003 |
| 6635851 | Process and circuit for heating up a glow plug Process and circuit for heating up a glow plug of a given glow plug type in a given arrangement in an internal combustion engine to a predetermined temperature. The power supply voltage is on the glow plug via a measurement resistor (12) and a switch (11)... | 10/21/2003 |
| 6625393 | Water preheating connection piece A water preheating connection piece (6) including a connection body including a water flow channel (6a) and a bore hole (7), at least one heating rod (1) having an internal heating element and at least one regulating element for insertion into the bore of... | 09/23/2003 |
| 6621021 | Differential pressure switch and sensor A differential pressure switch having a piston which is guided in a piston housing in a cylinder bore against the force of a return element, the piston head having a pressure P1 applied to it, while a bore space around its tapered piston shaft ... | 09/16/2003 |
| 6605801 | Rod glow plug Rod glow plug with a plug body and an internal heating rod. Between the heating rod (1) and the plug body (7) in the area of a seal seat of the rod glow plug, an electrically insulating shaped part (3) securely adjoins the heating rod (1) supporting the c... | 08/12/2003 |
| 6590185 | Glow plug with a uniformly heated control device Glow plug with a glow tube into which an inner pole projects and which is connected via heating and control spirals to the glow tube, the control spirals being located with respect to the heating spirals such that they are uniformly heated over a major po... | 07/08/2003 |
| 6583538 | Spark plug Spark plug with an electrically insulating ceramic insulator (1), a metallic spark plug body (2), a ground electrode (3) and a middle electrode (4) which is located centrally in a hole (5) of the ceramic insulator (1), around the ignition-side end area on... | 06/24/2003 |
| 6555788 | System for ignition and ion flow measurement and ion flow glow plugs for this system An ion flow measurement glow plug with an electrical terminal for the ignition current of a heating element which is located in a glow tube on an end which is directed to the combustion space of an engine block. The glow tube is located in a plug housing,... | 04/29/2003 |
