REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Electric Heating > Metal Heating (e.g., Resistance Heating) > By Arc > Including Arc-power Supplies Including Arc-power SuppliesIncluding Arc-power Supplies patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/31/08 - 20080023457 - Method and apparatus for pulse and short circuit arc welding A method and apparatus for multi process welding includes providing a controlled short circuit output and a pulse output in response to a user selection across a workpiece output stud and a torch output stud. ... 01/24/08 - 20080017621 - Method and apparatus for arc welding with arc control A method and apparatus for providing welding power with an arc-width control is disclosed. The power supply includes a power circuit that provides a welding output characterized by a plurality of welding output parameters, and the power circuit receives at least one control input. A controller provides control signals to ... 12/27/07 - 20070295703 - Method and apparatus for receiving a universal input voltage in a welding power source A method and apparatus for providing a welding current is disclosed. The power source is capable of receiving any input voltage over a wide range of input voltages and includes an input rectifier that rectifies the ac input into a dc signal. A dc voltage stage converts the dc signal ... 12/06/07 - 20070278197 - Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source A method and apparatus for providing welding type power is disclosed. The power source is capable of receiving any input voltage over a wide range of input voltages and includes an input rectifier that rectifies the ac input into a dc signal. A dc voltage stage converts the dc signal ... 11/22/07 - 20070267393 - Power source for high current welding An inverter based power source for electric arc welding where the power source includes a high switching speed inverter for driving the primary side of an output transformer that has a primary circuit with current greater than 250 amperes and a secondary circuit with a current having an operating range ... 11/01/07 - 20070251931 - Portable welder A portable welder including a housing, a power supply contained within the housing, a welding cable having a proximal end and a distal end, the proximal end of the welding cable being electrically connected to the power supply, a welding electrode that extends from the distal end of the welding ... 09/20/07 - 20070215585 - High current ac welder An electric arc welding assembly comprising a charging circuit and regulator coupled to an input power source, an energy storage element connected in parallel with the charging circuit and regulator to increase the power available for the weld output, and a weld output controller connected in parallel with the energy ... 08/16/07 - 20070187376 - Welder or cutter using an energy storage device with or without a charger The present invention is directed to a portable welding-type power source including a removable energy storage device configured to provide a first voltage output and a boost circuit connected to the energy storage device and configured to boost the first voltage output to a second voltage output to supply power ... 08/09/07 - 20070181547 - Method and apparatus for welding with battery power A method and apparatus provides welding-type power and preferably includes a removable battery or other energy storage device, a converter connected to the battery, and a controller. The controller may have a CV and/or a CSC and/or an AC weld control module, and/or an ac auxiliary control module. The converter ... 05/31/07 - 20070119839 - Heat dissipation platform A heat dissipation platform for output switches of an inverter power source of an electric arc welder where the platform comprises a conductive plate with first and second parallel surfaces and a plurality of parallel heat pipes embedded between the surfaces and extending in a given direction and the switches ... 03/08/07 - 20070051712 - Three stage power source for electric arc welding A three stage power source for an electric arc welding process comprising an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal, a network ... 02/15/07 - 20070034617 - Arc welding control device In the conventional arc welding control unit, since the air of the outside of the equipment is applied directly to the whole of the main semiconductor for cooling, there is found a problem that dust, welding fumes and the like can accumulate on or adhere to the conductive portions of ... 10/26/06 - 20060237408 - Generator for arc welder with high power factor A generator for arc welder, of the type composed of a rectifier stage followed by a PFC stage and by an inverter stage, both of the high-frequency type, the latter stage supplying power to a final rectifier stage for a welding arc, the PFC stage being composed of two inductors ... 10/12/06 - 20060226130 - Chopper output stage for arc welder power source Power sources are disclosed for electric arc welding or cutting processes, in which an interleaved multiphase switching converter is provided with a plurality of converter power circuits to convert a DC signal to a regulated signal suitable for welding. ... 10/05/06 - 20060219679 - Method and apparatus for welding with high frequency protection A method and apparatus for providing welding-type power is disclosed. The power supply has two output lines, and two inductances that are magnetically coupled, or a common mode inductance, in the output lines. The inductances may be installed when the power supply is built, or added afterwards. The inductance may ... 09/28/06 - 20060213887 - Welding-type device power input system A power cord system for powering a welding-type device from a plurality of distinct outlet configurations is disclosed. The power cord system includes a first power cord constructed to electrically connect the welding-type device to a first outlet and a second power cord constructed to electrically connect the welding-type device ... 08/10/06 - 20060175313 - Modular power source for electric arc welding and output chopper A three stage power source for an electric arc welding process comprising an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal, a network ... 07/27/06 - 20060163226 - Portable welder gun A portable welder, comprising a box-like body that contains a welding generator associated with cooling devices, the welding generator being functionally connected to an electrode supporting clamp, to a ground clamp and to an electric power supply system. A handle for gripping and orienting the welder protrudes from the box-like ... 06/29/06 - 20060138112 - Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source A method and apparatus for providing welding type power is disclosed. The power source is capable of receiving any input voltage over a wide range of input voltages and includes an input rectifier that rectifies the ac input into a dc signal. A dc voltage stage converts the dc signal ... 06/22/06 - 20060131290 - System for welding with multiple arcs A system for welding with a first and second arc between a first and second electrode, respectively, and a common workpiece, where each of the electrodes is driven by a power lead from a single power source. The system comprises an inductor with a core, a center tap, a first ... 06/15/06 - 20060124620 - Power module cartridge A power module cartridge for a welder includes a chassis tray that is dimensioned to fit inside an external case of the welder. The chassis tray includes a fan receptacle, a capacitor receptacle, a rectifier mounting slot and a transformer receptacle. A fan fits into the fan receptacle; a capacitor ... 06/08/06 - 20060118533 - Power cord system for welding-type devices A system and method for powering a welding-type device from a plurality of distinct outlet configurations is disclosed. The power cord system includes a power cord having a plurality of conductors extending therethrough. An end of the power cord is constructed to engage an individual adapter of a plurality of ... 04/20/06 - 20060081577 - Apparatus for a welding machine having a cooling assembly mounted to a mid-plane baffle for improved cooling within the welding machine A mid-plane baffle or plate having a fan mounted thereto to dissipate heat within a welding machine is provided. By centrally positioning a baffle and mounting a circulating fan thereto, cooling efficiency is improved thereby enabling more direct cooling of the internal components of the welding machine. The baffle also ... 04/13/06 - 20060076329 - Transformer module for a welder An electric arc welder comprising a high switching frequency inverter for driving the primary of an output transformer where the output transformer has a plurality of modules forming the secondary windings of the transformer and each of the modules comprises a first coaxial set of concentric, telescoped tubes separated by ... 03/02/06 - 20060043081 - Welding machine and relative operating method A welding machine having a welding unit for generating a welding voltage/current, and at least one welding tool connectable to the welding unit by a cable and supplied by the cable with welding voltage/current; the welding unit has a closed protective casing, and a cooling unit for cooling the welding ... 01/19/06 - 20060011595 - Power source for electric arc welding A power source for an electric arc welding process, wherein the power source comprises an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal ... 12/22/05 - 20050279742 - Output stage for an electric arc welder An auxiliary OCV boost circuit for the power source of an electric arc welder to perform a welding process between an electrode and a workpiece, which power source has a main positive voltage output with a first voltage and a main negative voltage output with a second voltage. The boost ... 12/08/05 - 20050269305 - System and method for welding with multiple arcs A system and method for welding with a first and second arc between a first and second electrode, respectively, and a common workpiece, where each of the electrodes is driven by a single power source, where there is a first inductor connected in series with the first electrode and a ... 11/24/05 - 20050258155 - Welder A portable welder includes a welder housing. The housing has front and rear vertical end surfaces and left and right side surfaces. The housing further has a horizontal top surface extending forward from the rear surface. An inclined surface faces upward and forward and extends from a front end of ... 07/07/05 - 20050145611 - Power source for plasma device A plasma device including a power source for creating an AC output signal with a matrix transformer between said power source and a series circuit comprising a first lead and a second lead. The matrix transformer including at least two modules with a first primary portion formed of first and ... 06/09/05 - 20050121430 - Electric arc welder with background current An electric arc welder comprising a power source driven by a main input transformer with a secondary winding creating an output pulsating current across the electrode and workpiece of a welding operation is provided with a background current circuit including a full-wave rectifier with AC input and a rectified DC ... ### FreshPatents.com Support |