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| Number | Title | Issue Date |
| 7326139 | Belt with integrated monitoring A belt has at least two fiber strands which have synthetic fiber threads twisted in themselves and are designed for acceptance of force in longitudinal direction. The strands are arranged at a spacing relative to one another along the longitudinal direction of the b... | 02/05/2008 |
| 7235209 | Apparatus for heat treatment of structural body parts in the automobile industry Apparatus for heat-treating an elongate structural body part made from a blank compressed while being soft or from steel strip of hardenable 22 Mn B5 mod. steel sheet with a thickness of 1 mm to 3 mm, includes an apparatus for positioning the structural body part in... | 06/26/2007 |
| 7183525 | Roasting device The invention relates to a roasting/grilling device with a roasting/grilling plate (7) and with a thermostatic regulation of the roasting/grilling power. For this the temperature of the roasting/grilling plate (7) is monitored in a contactless manner b... | 02/27/2007 |
| 6919271 | Method for rapidly heating and cooling semiconductor wafers The present invention is directed to an apparatus and process for heating and cooling semiconductor wafers in thermal processing chambers. In particular, the apparatus of the present invention includes a cooling device for actively cooling the wafers after the wafer... | 07/19/2005 |
| 6911632 | Method for controlling the position of a foil strip edges A method for controlling the edges (7, 7′) of a foil strip guided in a shaping funnel of a device producing tubular bodies from the foil strip by an overlapping weld seam using a guide wedge, the strip being then welded. According to the invention, after we... | 06/28/2005 |
| 6849838 | Heating device using electromagnetic induction and fuser A short ring is provided outside a support frame. In the short ring, eddy current is generated in such a direction as to cancel apart of a magnetic flux developed from the exciting coil when it is fed with current, which the part of the magnetic flux leaks to outsid... | 02/01/2005 |
| 6799712 | Conveyor oven profiling system A system is disclosed for determining optimal process settings for a conveyor oven, such as a reflow oven used to reflow solder paste on a PCB assembly. According to a disclosed embodiment, an ideal temperature profile is obtained from the solder paste specification... | 10/05/2004 |
| 6620374 | Induction heat-treating of threaded fasteners with a rotary conveyor A system and method for inductively heating and then quench hardening a portion of a workpiece, such as a several threads of a screw or bolt are disclosed. The system includes a conveyor system having a rotary conveyor for separating, aligning, and transp... | 09/16/2003 |
| 6486664 | Magnetic field exposure sensor and analysis system A compact magnetic field exposure sensor and analysis system suitable for use in the calibration of induction heating processes such as foil cap sealing or the heat treatment of metals. The compact sensor is a self-contained sensing coil, and signal stora... | 11/26/2002 |
| 6359267 | Induction heating system An induction heating system that can be used to braze metals and that overcomes many of the disadvantages of conventional brazing systems. The induction heating system improves quality and lowers production cost for many brazing requirements. The system i... | 03/19/2002 |
| 6229127 | Portable induction heater An induction heater having an induction coil (26) for heating a metallic substance (4) hidden by a membrane (2), the metallic substance being coated with a heat activated adhesive on its side adjacent the membrane (2). The heater having four location sens... | 05/08/2001 |
| 6229124 | Inductive self-soldering printed circuit board A new apparatus for inductively soldering surface-mount, straddle-mount and through-hole type electronic components into a self-soldering PCB (printed circuit board) in an automated fashion utilizing localized Electromagnetic Induction Heating (E.I.H.). C... | 05/08/2001 |
| 6160247 | Induction hardening apparatus for a crankshaft An induction hardening apparatus for inductively heating and quench hardening a crankshaft includes an arrangement of two workstations similarly configured and a robotic device indexing the crankshaft from a first workstation to a second workstation. The ... | 12/12/2000 |
| 6114675 | Alloying system and heating control device for high grade galvanized steel sheet An alloying system for a galvanized steel sheet, using an induction heating coil, wherein the temperature of the steel sheet in an induction heating furnace is measured based on the impedance of a high frequency heater, and the amount of heating is contro... | 09/05/2000 |
| 6069348 | Method and apparatus for inductively heating non-circular workpieces Apparatus for inductively heating and hardening diesel cam shaft lobes includes a table supporting an inductor for radial displacement relative to the lobe of a workpiece to be hardened and a master component having a lobe identical to that of the workpie... | 05/30/2000 |
| 5739506 | Coil position adjustment system in induction heating assembly for metal strip An adjustable width transverse flux heating apparatus for induction heating in the moving workpiece includes first and second elements disposed in the common plane to form an inductive coil. The first and second conductor elements define a middle spacing ... | 04/14/1998 |
| 5529703 | Induction dryer and magnetic separator Apparatus for inductively heating metal can lids operates at medium frequency, with a many-turn induction coil wrapped partly or entirely around the can closures. No focusing cores are required, nor need the conductors be water cooled. Can ends may be fed... | 06/25/1996 |
| 5370172 | Safety device for mobile modules which inductively heat or reheat metallurgical products Mobile modules for electromagnetic-induction heating or reheating a flat metallurgical product on the move, wherein each of the said modules is mounted so as to move on a track perpendicular to the direction of movement of the product. Each module include... | 12/06/1994 |
| 5159166 | Drawroll unit The drawroll unit has a heatable galette in which the shaft of the gallette is mounted in bearings which, in turn, are mounted via vibration damping devices in a stationary housing. The vibration damping devices may be in the form of bodies of interlaced ... | 10/27/1992 |
| 5134264 | Device for the inductive heating of the inside of cylinder liners of reciprocating-piston engines for the purpose of hardening A device for induction heating of the inside of cylinder liners of reciprocating-piston engines to a transformation temperature, for the purpose of hardening. An inductor head is equipper with an aligning device designed as a spreadable cage which is equi... | 07/28/1992 |
| 4996402 | Method and apparatus for continuously melting material by induction heating A method of continuously melting a material comprises the steps of depositing carbon in a crucible furnace provided with a melt outlet and an inlet in an upper portion thereof, heating the carbon by electromagnetic induction heating by an electromagnetic ... | 02/26/1991 |
| 4870239 | Induction heater for drums An induction heater (1) includes a substantially cylindrical jacket adapted to be placed around an article which is to be induction heated, an induction coil (5) arranged within the jacket, and protuberances (4) projecting inwardly from the internal surfa... | 09/26/1989 |
| 4866230 | Method of and apparatus for controlling floating zone of semiconductor rod In a method of controlling a floating zone of a semiconductor rod of the present invention shown in FIG. 1, the diameter Ds at a crystallization boundary of a crystal and the axial length of the floating zone are indirectly controlled by contro... | 09/12/1989 |
| 4857689 | Rapid thermal furnace for semiconductor processing A semiconductor wafer processing furnace includes an elongated processing chamber enclosing a first zone and a second zone extending along a first reference axis, and a wafer support assembly having a support member and associated translation elements for... | 08/15/1989 |
| 4816633 | Method of monitoring induction heating cycle A method of monitoring a heating cycle of an induction heating system wherein an inductor encircles a metal workpiece and an alternating current is applied through the inductor from a power supply during the heating cycle. This method comprising the steps... | 03/28/1989 |
| 4775773 | Method and apparatus for controlling thickness of a web in a calendering nip Method and apparatus for controlling the thickness profile of a web passing through a calendering nip formed by two rolls, in which a variable magnetic flux is directed onto an outer surface on one of the rolls from a magnetic shoe device comprising a plu... | 10/04/1988 |
| 4728761 | Method and apparatus for hardening axially spaced cams on a camshaft Method and apparatus for inductively heating and quench hardening axially spaced cams on a steel camshaft having a longitudinally extending rotational axis concentric with a plurality of axially spaced bearings, which method and apparatus utilizes an indu... | 03/01/1988 |
| 4695712 | Flexible autoregulating heater with a latching mechanism A flexible autoregulating heater with a latching mechanism to form the strap that may be applied about work to be heated, the strap holding the work during the heating and subsequent cooling cycle. The strap may then be removed or permitted to remain in p... | 09/22/1987 |
| 4683361 | Brazing apparatus having a dual function heating and eddy current probe coil A brazing apparatus and process which utilizes a dual function heating and eddy current probe coil is disclosed herein. The apparatus generally includes a radiant heater assembly having a coil which is capable of both generating radiant heat to effect a b... | 07/28/1987 |
| 4659892 | Valve seat induction heating apparatus An induction heating apparatus for inductively heating the valve seats of a family of engine component designs includes a plurality of rotatably mounted inductors which are selectively indexed and cycled in accordance with the component design presented a... | 04/21/1987 |
| 4632366 | Line travel normalizer A normalizer for linear welds in continuous pipes, to travel along the side a pipeline during operation. The normalizer comprises an induction heater supported on a mounting assembly. A power source is provided for the induction heater and an electrical c... | 12/30/1986 |
| 4596208 | CVD reaction chamber An improved reaction chamber for CVD is disclosed that combines the advantageous features of the known horizontal and vertical designs while minimizing their respective short comings. The improved reaction chamber essentially comprises a vertical, double-... | 06/24/1986 |
| 4577081 | Heating nonmagnetic metal workpieces Method and apparatus for heating a billet of nonmagnetic metal material to forging temperature by first preheating the billet in a high efficiency slot-type electric radiant heat furnace to a preheat temperature a substantial level below the forging tempe... | 03/18/1986 |
| 4501942 | Method and apparatus for uniform induction heating of an elongated workpiece Method and apparatus for uniformly heating a workpiece such as a sucker rod or the like having a uniform cross-section over a major portion of its length and an enlargement adjacent each end thereof. A multi-turn inductor is coaxially disposed around a po... | 02/26/1985 |
| 4484048 | Process and apparatus for the homogeneous, electromagnetic induction heating with transverse flux of conducting and non-magnetic flat products A process and apparatus for inductive heating of flat, thin, conductive, nonmagnetic products of variable dimensions. A plurality of currents are inductively generated in the product in such a way that elementary current arrays are formed in the product i... | 11/20/1984 |
| 4468549 | Induction heater arrangement for forging bar stock An induction heating arrangement for heating an end length of a forging bar following the cut-off therefrom of a previously heated and forged end length is arranged to heat the end length to a uniform temperature despite the existence of a residually heat... | 08/28/1984 |
| 4433226 | Method and apparatus for induction heating of an elongated workpiece A method for uniformly heating a workpiece such as a sucker rod or the like having a uniform cross-section over a major portion of its length and an enlargement adjacent each end thereof. A multi-turn inductor is coaxially disposed around an elongated wor... | 02/21/1984 |
| 4420667 | Induction heating method and apparatus for elongated workpieces Elongated workpieces having an extended intermediate portion of substantially uniform cross-section and axially spaced end or other portions of enlarged cross-section are inductively heated to a desired surface temperature by axially moving them at a cont... | 12/13/1983 |
| 4418259 | Method and apparatus of uniform induction heating of an elongated workpiece A method for uniformly heating an elongated workpiece having a first portion with uniform cross-section over a major portion of the workpiece length and a second portion having a larger cross-section than the first portion. A multi-turn inductor is operat... | 11/29/1983 |
| 4384514 | Nip control method and apparatus This invention provides a method and an apparatus for use in controlling a nip through which material is passed. The apparatus comprises at least one means for generating a magnetic field and means for locating the magnetic field generating means at a sel... | 05/24/1983 |
