About 1,906,231 results (3,011 milliseconds)

US2044180A - Mercury collector resistance welding - Google Patents

https://patents.google.com/patent/US2044180A/en
... current collectors suitable for carrying heavy electric currents such as employed in electric welding. ... current streams flowing in the opposite direction. When ...

US5349157A - Inverter power supply for welding - Google Patents

https://patents.google.com/patent/US5349157A/en
This reset current flow is conducted through reset winding 234 causing flux in transformer B which is in the opposite direction than that induced when the ...

EP0834240A1 - Induction welding of tubing with multiple induction ...

https://patents.google.com/patent/EP0834240A1/en
Current is induced in such portions 10 and 11 by the pancake coils 6a and 7a and flows in opposite directions thereat. The current also flows along paths at the ...

US2880374A - Arc welding machine - Google Patents

https://patents.google.com/patent/US2880374A/en
The current flow with respect to the terminals 15 and 16 during the negative half cycle of the secondary current is in the opposite direction. Therefore, during ...

US2163418A - Direct-current arc welding generator - Google Patents

https://patents.google.com/patent/US2163418A/en
... opposite to those indicated with a resulting direction of current flow in the welding circuit opposite to that shown by the arrows C. Obviously, this simple ...

US2508103A - Condenser welding system - Google Patents

https://patents.google.com/patent/US2508103A/en
... flow through the primary winding 5 in the opposite direction to the charging current. Thus if any residual D. C. flux remains at the termination of a weld ...

US2000699A - Arc welding generator - Google Patents

https://patents.google.com/patent/US2000699A/en
... welding current flows while the welding operation is being performed. In the ... opposite to the direction of the magnetic field produced by the main field ...

US3757079A - Low current electrostatic cooling method and ...

https://patents.google.com/patent/US3757079A/en
Method and apparatus for welding metal workpieces to provide a distortion-free weld of high integrity where the method includes the use of an electric arc ...

US5338916A - Control circuit for alternating current TIG welder ...

https://patents.google.com/patent/US5338916A/en
TIG welder for passing a current across an arc gap between a workpiece and a non-consumable electrode alternating between a first direction of arc current flow ...

US9636771B2 - Electromagnetic pulse—welding device for welding ...

https://patents.google.com/patent/US9636771B2/ko
... current flows through them in the same direction. But they are repelled by the centre leg, since the current therein flows in the opposite direction. Since ...

US9636771B2 - Electromagnetic pulse—welding device for welding ...

https://patents.google.com/patent/US9636771B2/ko
... current flows through them in the same direction. But they are repelled by the centre leg, since the current therein flows in the opposite direction. Since ...

US2483454A - Method of resistance welding finned tubes - Google ...

https://patents.google.com/patent/US2483454A/en
The current was thyratron controlled to flow during welding for two cycles ... When they are moved in the opposite direction their outer edges come ...

US20080308550A1 - Magnetic flux guide for continuous high ...

https://patents.google.com/patent/US20080308550A1/en
HF currents flow along the skelp edges in opposite ... This second portion of the current is similar to corresponding current in conduction welding.

US3270176A - Impeder device for improving radio-frequency ...

https://patents.google.com/patent/US3270176A/en
... direction of arrow 12 in order to continuously weld the opposite edge portions. ... electric current flow Iand to heat flow. While the latter resistivity ...

US6825435B1 - Power supply and control equipment for a ...

https://patents.google.com/patent/US6825435B1/en
The machine according to claim 27 , wherein pulse widths of the current flow are adjusted based on a voltage measured at welding electrodes or any point in a ...

US2232450A - Method and apparatus for resistance welding ...

https://patents.google.com/patent/US2232450
... weld current flowing in the upper weld material. The displacement current conductor is advantageously connected in parallel to the electrode current leads.

CA2033930C - Consumable electrode arc welding method and ...

https://patents.google.com/patent/CA2033930C/en
Moreover, since the current in the consumable electrode wire and the filler wire flow in opposite directions, the arc is always directed forward in the ...

US20100059493A1 - Induction heated, hot wire welding - Google ...

https://patents.google.com/patent/US20100059493A1/en
The induction coil induces a current flow in the filler wire. The current produces heat as a result of the electrical resistivity of the filler wire. The heat ...

Inductor value for a mig welder

https://groups.google.com/g/sci.engr.joining.welding/c/9Pliky02s_o
Jan 3, 2006 ... but the opposite polarity does not exist. A half or full-wave ... the pool for each inch of weld, it's desirable to flow a constant current

WO2013031247A1 - Method for controlling welding current of ...

https://patents.google.com/patent/WO2013031247A1/en
The resistance welder pressurizes the joint between the upper and lower electrode tips, and joins the joint by flowing a welding current. The resistance welder ...