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8129659 |
Apparatus having DC arc start in parallel with welder power supply
A DC arc start function for a welder. The arc start function is realized using a universal input DC regulator coupled to a DC to DC converter that produces a regulated DC voltage that is sufficient...
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8080761 |
Hybrid powered welder
An electric arc welder that includes a energy storage device and non-battery power source for the formation of an electric arc. The welder also includes battery charging circuit that controls the...
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8080762 |
Electric arc welding machine with control interface
An electric arc welding machine includes a manual welding tool, an electric power unit, and a cable electrically connecting the welding tool and the electric power unit. The electric power unit...
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8063339 |
Welding system toroidal spark gap method and system
A spark gap device is described such as for use in welding systems. The device receives a high voltage, low current input signal and produces high frequency waveform output. The device includes one...
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8049139 |
System and method for determining and employing consumable use by electric arc welders
A system and method for determining the approximate weight of metal consumables used by an electric arc welder over a period of welding time, the system comprises a program to calculate the total...
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7989732 |
Method of AC welding using a flux cored electrode
A method of AC welding that includes the step of supplying AC current with a given waveform from a power source to an advancing electrode and workpiece. The AC current is used to melt the electrode...
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7985940 |
Welder with internal shielding gas regulator
A welder having an internal shielding gas regulator is disclosed. The welder has an internal gas cylinder and an internal regulator disposed in an enclosure. The welder may be equipped with an...
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7968822 |
Arc welding system
An electric arc welding system including a power lead for providing welding current between an advancing welding wire and a workpiece, a short circuit sensor having a short circuit output signal...
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7952051 |
Electronic polarity reversing switch for a multi-process welding power source
A system and method, in certain embodiments, sets an output polarity based on a selected process. The system and method may be used to operate a variety of equipment, such as welders, cutters,...
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7902484 |
Method and apparatus for remotely controlling a welding system
The present invention is directed to a remote control that uses a welding circuit to transfer control information to a welding power source. The information to be communicated to the power source...
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7899395 |
Apparatus and systems for electrically isolating a receiver from an antenna
Various embodiments of apparatus and systems are provided for electrically isolating two devices while transferring power and RF signals therebetween. An electrical isolation apparatus includes an...
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7884304 |
Apparatus and method for storing welding consumables
Exemplary embodiments of the present technique relate to a welding storage structure. In one embodiment, a welding system includes a welding chassis and a storage structure that rotates outwardly...
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7858904 |
System and method of controlling auxiliary/weld power outputs of a welding-type apparatus
A system and method of controlling available power of an auxiliary output of a welding-type power source is disclosed. The welding-type power source is configured to supply power to a variable...
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7858895 |
Portable stud welder
A portable weld stud system is disclosed. An embodiment of the system includes a housing with a power source, which may be four twelve-volt sealed lead-acid batteries with fifty-two amp-hours of...
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7858903 |
Constant current welding power control system and method
A technique is disclosed for controlling a constant current regime, such as for stick welding. The regime includes a dig segment or regime in which current is increased as voltage decreases. The...
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7838797 |
Fuel saving engine driven welding-type device and method of use
The present invention is directed to a welding-type power source that includes a power source housing and an engine arranged in the power source housing to supply electrical power. An energy...
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7820943 |
Stick arc welder with low voltage start
A system and method for forming an arc between an electrode and a workpiece is disclosed. The present invention includes a method of initiating an arc that includes comparing voltage across output...
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7796005 |
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...
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7767933 |
Method and apparatus for controlling a short circuit during a MIG welding process
Methods and systems for clearing short circuits during a MIG welding process are disclosed. A method may include detecting a short circuit and increasing output current of a power source at a first...
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7615719 |
Autonomous plasma cutting system
A portable plasma arc torch system can be used for processing materials. The system includes a replaceable or rechargeable power source and replaceable or rechargeable gas source. A controller...
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7576299 |
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...
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7465901 |
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...
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7456373 |
Welder with front mount fan
A welding apparatus having an easily replaceable fan and a method of replacing the fan is disclosed. An opening is formed through the front panel of a welding-type power source to correspond to the...
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7429712 |
Gas system for welding-type devices
A welding-type device and gas system for use therewith are disclosed. The gas system of the welding-type device includes a canister that is constructed to contain a shielding gas therein and is...
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7411153 |
Removable panels for a welding-type machine enclosure
A hinge arrangement for a welder enclosure includes a door panel having at least one hinge at one end that is engagable in a slot of a base to allow the door panel to move between a maximum closed...
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7411154 |
Control panel for a welding-type apparatus
A welding-type apparatus has a control panel with enhanced viewability. The control panel may include LEDs, backlit LCDs, and other light-emitting indicators whose viewability by a user is enhanced...
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7411147 |
Gas bottle for welding-type devices
A gas bottle for welding-type devices, a shielding gas system, and a method for providing shielding gas to a weld are disclosed. The gas bottle has a valve constructed to be connected to a...
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7375305 |
System for assembling welding apparatus
A welding apparatus having a system to facilitate its assembly. The apparatus is assembled by affixing a pair of molded end panels to a molded base and each of the end panels has a specially...
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7339134 |
Extension lift truck modification
An apparatus for welding, including a lift mechanism for lifting a personnel platform attached to an end of the lift mechanism, a drive system for moving the apparatus, where the drive system...
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7326879 |
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...
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7323658 |
Method and apparatus for welding and control thereof
A method and apparatus for welding includes one or more of a welding type power source, a feedback circuit, a wire feeder and a controller. The controller preferably has an eta control circuit...
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7319206 |
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...
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7307239 |
Welding power supply with laminated bus
A method and apparatus for welding with a bus is disclosed. The bus preferably is laminated, with two conductive plates separated by an insulator plate. The bus preferably is disposed in a housing...
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7288740 |
Welding device having multiple protective covers and connection paths
A housing of a welding-type device includes a bezel which encloses a plurality of electrical receptacles and a plurality of terminal posts of the welding-type device. The bezel has a first and a...
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7288741 |
Arc welder
An arc welder comprising: a rectifier circuit 2 which rectifies an alternating current 1 to a direct current; an inverter circuit 3; a transformer 4; a second rectifier circuit 5 which rectifies an...
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7274000 |
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...
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7268318 |
Welding equipment
A welding voltage judgment portion 16 of judging to see if a predetermined value of welding voltage inputted from an input device 11 falls within a predetermined certain range is provided, and when...
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7235759 |
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...
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7220940 |
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...
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7215542 |
Electronic device having heat-dissipating structure for socket
An electronic device having a heat-dissipating structure for a socket is disclosed. The electronic device comprises a case, a plurality of electronic components disposed in the case, an airflow...
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7214905 |
Cover for a welding-type power source
A welding system comprising a welding-type power source and a protective cover for the welding-type power source. The protective cover may be comprised of a synthetic fabric and a polymeric fluid...
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7183516 |
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...
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7126084 |
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...
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7115834 |
Method and apparatus of electronic selection of an output mode of a welding power source
The present invention provides a method and apparatus of electronically selecting an output mode of a welding power source. The invention includes operational circuitry that electronically...
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7109438 |
Power supply apparatus for arc-utilizing apparatus
An input rectifier of a power supply apparatus rectifies a selected one of two, higher and lower AC voltages applied to it. First and second inverters are connected in the output of the input...
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7109437 |
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...
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7105777 |
Dedicated wire feed speed control
A MIG welder and method of controlling a MIG welder which includes a wire speed selector that is used to generate a control signal which controls both the wire feed speed of a consumable electrode...
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7078652 |
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...
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7005608 |
Cooling system for arc welding
An electric arc welder with an internal compartment containing heat generating electrical components where the compartment has an end wall defining the outlet wall of a plenum chamber and the end...
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6998573 |
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...
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