Quotables
"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "
Ambose Bierce
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7442906 | Induction heating coil for shaft member having multiple steps and heating method In an induction heating coil for heating a shaft member having multiple steps, annular conductors are separately disposed in the axis direction, the annular conductors having inner diameters so as to form predetermined gaps with outer peripheries of heating portions... | 10/28/2008 |
| 7388177 | Mobile induction brazing and quenching machine An induction brazing and quenching apparatus and related method of coupling components together. ... | 06/17/2008 |
| 7368077 | Induction quenching installation, in particular for fabricating suspension components A thermal quenching installation making use of induction heating. This installation has induction heater means comprising a stationary induction coil, handling means to cause the element to pass through said coil, and cooling means, preferably a shower, disposed dow... | 05/06/2008 |
| 7317177 | Electric induction heat treatment of an end of tubular material A magnetic flux concentrator is used to control the end heating of a tubular material in an electric induction heat treatment process. The magnetic flux concentrator may consist of fixed elements, or a combination of fixed and moveable elements to accommodate end he... | 01/08/2008 |
| 7253380 | Induction heating of rail welds An apparatus (10) and method for preheating welds uses a centered induction plate (12) having preferably a plurality of induction coils (30, 32) to impart the generation of heat in the materials to be welded (14), being interactively cont... | 08/07/2007 |
| 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 |
| 7145115 | Apparatus for hardening a cylindrical bearing on a shaft by means of induction heating utilizing an elastic element An apparatus for hardening cylindrical bearing locations on a shaft, in particular a crankshaft, in which transition radii to the adjacent shaft parts are of undercut design, is provided with a heating unit, which is connected to a power supply, and with an inductor... | 12/05/2006 |
| 7087869 | Transverse induction heating apparatus In a transverse induction heating apparatus in which a material to be rolled is heated by inductors to which electric power is supplied from an AC power source, iron core widths of the inductors in a plate width direction of the material to be rolled are smaller tha... | 08/08/2006 |
| 7077993 | Apparatus for softening a selected portion of a steel object by heating Differential hardening apparatus for softening a portion only of a metal workpiece such as a die block consisting of apparatus for presenting a workpiece to a heat source which impinges heat directly on the workpiece and control means for causing the heat to be dire... | 07/18/2006 |
| 7015439 | Method and system for control of on-site induction heating A workpiece heating system having an induction heating power source and a controller. The controller is operable to control the operation of the power source according to programming instructions received from a user. The controller enables a user to establish a seq... | 03/21/2006 |
| 6963057 | Simultaneous induction heating of multiple workpieces Multiple workpieces are inductively heated by passing them through one or more induction heating coils. Passage of a section of each workpiece through a coil may oscillate in the forward and reverse directions, independent of the movement of the other workpieces, on... | 11/08/2005 |
| 6884975 | Localized stress relief by induction heating A system and method inductively heats and stress relieves a weld joint area having a stress induced zone. A susceptor assembly is positioned over the stress induced zone. The susceptor assembly includes susceptor sheets manufactured to operate at different, preselec... | 04/26/2005 |
| 6815649 | Device and method for inductive billet heating with a billet-heating coil A device for inductive billet-heating includes a single or multi-layer billet-heating coil (4) for a round billet (5), in which the billet-heating coil (4) is made up of one or more consecutive, galvanically separated zones. The zones are suppli... | 11/09/2004 |
| 6765181 | Inductor assembly An apparatus and process are provided for induction heat treatment of electrically conductive workpieces. The inductor assembly is formed from a single piece inductor that utilizes an electrically non-conductive top, side and bottom frames to hold flux concentrators... | 07/20/2004 |
| 6734406 | Method for improving the mechanical properties of journal crosses by induction heating The invention relates to a method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts. According to the invention, a superficial area which is defined by the transition surfaces between two journals that... | 05/11/2004 |
| 6673304 | Apparatus for heat-treating a V-type cylinder block by induction heating In a heat-treatment apparatus for heat-treating a V-type cylinder block (W) by induction heating, the block (W) is fixedly mounted on a work table (11) and set at a reference position thereon. A plurality of induction heating coils (23) are disposed in ea... | 01/06/2004 |
| 6638379 | Method and device for hardening bearing surfaces of crankshafts This invention relates to a procedure for hardening the bearing surfaces (H1,H2,H3,H4) of a shaft or axle, in particular a crankshaft (2) or camshaft, in which the bearing surfaces (H1-H4) to be hardened are hardened sequentially with the shaft or axle tu... | 10/28/2003 |
| 6635856 | Billet induction heating A plurality of billets are inductively heated in a staged process wherein the output current of a power supply is repeatedly time shared among a plurality of induction coils within which the plurality of billets have been placed. The time periods of the a... | 10/21/2003 |
| 6576877 | Induction processing with the aid of a conductive shield A method for induction heating a workpiece made of a material such as ferrous material or alloy is carried out by placing a non-magnetic conductive shield in proximity to a current concentrating surface of the workpiece and exposing the workpiece with a s... | 06/10/2003 |
| 6570141 | Transverse flux induction heating of conductive strip In transverse flux induction heating of electrically conductive strip, conductors that cross the strip width are stacked, or connected, such that a multiple of the induced current flows across the strip width as compared to that which flows along the stri... | 05/27/2003 |
| 6555800 | Process and apparatus for the induction hardening of crankshafts In a process for the induction hardening of crankshafts with at least one connecting-rod pin and with at least two main bearings, in particular for the hardening of the at least one connecting-rod pin, by means of a contactlessly operating inductor, the c... | 04/29/2003 |
| 6498328 | Transverse flux induction heating device with magnetic circuit of variable width A heating device for the electromagnetic induction heating of a metal strip traveling in a specified direction. The device includes at least one electric coil arranged opposite at least one of the large surfaces of the strip so as to heat the latter by tr... | 12/24/2002 |
| 6464927 | Method and apparatus for in-line heat treatment of hot rolled stock Apparatus for the rolling and heat treatment of elongated metal product of relatively small cross section, such as rods and bars, is described in which the elements required for the conduct of a variety of heat treatments are arranged in in-line dispositi... | 10/15/2002 |
| 6455825 | Use of miniature magnetic sensors for real-time control of the induction heating process A method of monitoring the process of induction heating a workpiece. A miniature magnetic sensor located near the outer surface of the workpiece measures changes in the surface magnetic field caused by changes in the magnetic properties of the workpiece a... | 09/24/2002 |
| 6399928 | Device for hardening cylindrical bearing points of a shaft An apparatus for hardening cylindrical bearing faces (L) of a shaft (K), wherein at least one of the transitional radii (R1, R2) to the adjoining shaft portions (W1, W2) is constructed recessed, includes a pair of inductive heating units (1, 2), which are... | 06/04/2002 |
| 6300608 | Induction heating coil and induction heating device using the induction heating coil There are provided an induction heating coil for carrying out high frequency induction heating (heating during movement) of a hot rolled steel or the like by surrounding the hot rolled steel or the like which is placed on a plurality of conveying rollers ... | 10/09/2001 |
| 6274857 | Induction heat treatment of complex-shaped workpieces A multi-station induction heat treatment system is used for heat treating metal workpieces that have multiple generally cylindrical components whose axes are parallel to and offset from a common workpiece axis. The heat treatment system includes heat trea... | 08/14/2001 |
| 6264768 | Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique A method and apparatus disclosed for cost-effective net shape precision ausform finishing the engagement surfaces of ball and roller bearings, for enhancing the surface strength and durability of bearing inner and outer races. The method consists of induc... | 07/24/2001 |
| 6255634 | Transverse flux heating coil and method of use A transverse flux heating coil is disclosed to inductively heat a continuous run of wire. In general, the transverse flux heating coil includes a single loop conductive element having a pair of termination ends extending therefrom and connectable to a pow... | 07/03/2001 |
| 6198083 | Method and apparatus for heat treating wires A process for heat treating steel wires in which the wires are passed through an induction furnace with induction coils connected in series to a common power supply. No more than one wire passes through any one of the induction coils. The wires are heated... | 03/06/2001 |
| 6160248 | Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts The invention relates to a device for simultaneous peripheral electro-inductive hardening of bearing surfaces (2A, 3A) and transition A radii in crankshafts (1), comprising lifting pins (2, 3) arranged directly adjacent to each other and one behind the ot... | 12/12/2000 |
| 6140625 | Device for rotating and simultaneous hardening by electric induction The invention relates to the rotary and simultaneous electroinductive hardening of the bearing surfaces (2a; 3a) of crank pins (2; 3) of a crankshaft (1) disposed immediately one beside the other and offset in relation to one another in the axial directio... | 10/31/2000 |
| 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 |
| 6024913 | Precision quenching apparatus and method with induction heating In the apparatus: Y table 43 carries a work W and travels a predetermined distance in direction Y in a reciprocating manner; X table 41 causes the work W to reciprocate in direction X between a first position, in which the work W is loaded onto and unload... | 02/15/2000 |
| 6011246 | Induction-heating device for surface treating the teeth of a mechanical part An induction heating device for surface treating the teeth (11) of a mechanical part on which each tooth (111) has a projecting tip (111s) and a tooth root linking the tooth to an adjacent tooth, wherein an in duction coil (12, 12') is spaced from the too... | 01/04/2000 |
| 5796078 | Method for the inductive surface hardening of workpieces In a method for the inductive surface hardening of workpieces with any desired external geometries, especially camshafts for internal combustion engines, an inductor (15) is provided which at least partially surrounds the workpiece (2 or 4). The workpiece... | 08/18/1998 |
| 5770838 | Induction heaters to improve transitions in continuous heating system, and method A heating system and method for heating a metal strip to within a predetermined temperature tolerance range while the metal strip serially travels through a heating system. The heating system has at least one preceding heating section, at least one induct... | 06/23/1998 |
| 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 |
| 5710411 | Induction heating in a hot reversing mill for isothermally rolling strip product The present invention provides a hot reversing rolling mill for isothermally reducing a metal strip product. The mill includes a hot reversing mill stand with a pair of coilers positioned on opposite sides of the mill stand. At least one heater is positio... | 01/20/1998 |
| 5630957 | Control of power to an inductively heated part A process for induction hardening a part to a desired depth with an AC signal applied to the part from a closely coupled induction coil includes measuring the voltage of the AC signal at the coil and the current passing through the coil; and controlling t... | 05/20/1997 |
