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Mechanical welding power source with starting circuit

A welding power supply and power supply technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of excessive versatility, complicated power supply, and lack of electric field adjustment

Inactive Publication Date: 2008-01-16
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such motorized welding power sources are complex and, while suitable for welding applications such as pipe welding, provide versatility (and cost) that exceed the needs of other welding applications
[0007] AC systems that do not have the field shape of the field-adjusted output curve, such as the MillerBig Blue 302(R), have no ready-made means for providing cranking and hot-starting outputs

Method used

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  • Mechanical welding power source with starting circuit
  • Mechanical welding power source with starting circuit
  • Mechanical welding power source with starting circuit

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Embodiment Construction

[0023] Before at least one embodiment of the invention is explained in detail, it is to be understood that the invention is not limited in application to the details of arrangement of elements and construction shown in the drawings or set forth in the following description. The invention is capable of other embodiments or of being practiced or carried out in various ways. It should also be understood that the phraseology and terminology used herein are for the convenience of description and should not be considered as limitations of the present invention. Like reference numerals are used to designate like elements.

[0024] Although the present invention will be described with reference to one particular motorized welding power supply system, it should be understood from the outset that the present invention can also be implemented using other circuits, systems, generators, and the like.

[0025] In general, the present invention includes a motorized welding power supply syst...

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Abstract

The invention relates to welding power supply technique, relates to an engine driven welding power supply including a start and / or a hot start output. The engine driven welding power supply includes: a welding output winding with a welding output having a welding V-A curve of a first slope in a welding range and below the welding range; a second output winding with a second welding output having a second welding V-A curve of a second slope below the welding range, in which, the second slope is less steep than the first slope; and an output circuit is connected to receive the welding output and the second output, in which combining the welding output with the second output to provide a power supply output. The invention provides an engine driven welding power supply system without field adjusting to generate the start output or the hot start output, which is economical, and without complicated circuit can easily be provided.

Description

technical field [0001] The present invention generally relates to welding power supply technology. In particular, it relates to motorized welding power sources including dig and / or hot start outputs. Background technique [0002] A motorized welding power source can be driven by a DC generator or an AC generator (also known as an alternator-rectifier) ​​arrangement. Alternators typically include a reactor in addition to an alternator followed by a rectifier to provide DC Output. The AC drive welding power supply is usually a constant current type machine, and the output volt-ampere characteristic curve of the AC drive welding power supply usually has a very steep negative slope (the voltage decreases and the current increases slightly). That is to say, at one of the output voltage Within the range of variation, the output current is close to a constant. This welding power supply is especially suitable for those welding applications that require approximately constant curren...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/06
Inventor 艾伦·赛克斯乔恩·雷诺兹迈克尔J·布雷斯
Owner ILLINOIS TOOL WORKS INC