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System and method for limiting welding output and ancillary features

a technology of limiting system and limiting method, applied in the field of generator system, can solve problems such as limited outpu

Inactive Publication Date: 2017-11-23
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a portable generator system that can be used for welding or plasma cutting. The system includes a power generator and conversion circuitry, and an operator's input for adjusting output power. The system also has a device that receives the operator's input and selectively limits output power. This can be done for various reasons like welding power levels or processes. The patent also describes a method of limiting output power for a portable engine-driven generator system using parameters determined by the customer and an interface that is not accessible to them.

Problems solved by technology

Output may be limited to particular welding power levels, voltage levels, current levels, time period, but also to make available or not available auxiliary power, power for lighting and / or hand tools, and so forth.
Output may also be limited by particular processes, such as welding processes that are available or not available to the operator.

Method used

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  • System and method for limiting welding output and ancillary features
  • System and method for limiting welding output and ancillary features
  • System and method for limiting welding output and ancillary features

Examples

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Embodiment Construction

[0014]Turning now to the drawings, FIG. 1 illustrates a portable engine-driven generator system 10 which may employ an embodiment of an output power limiting device. The portable engine-driven generator system 10 includes an engine-driven generator 12 mounted to a trailer 14. The engine-driven generator 12 includes an electrical power generator that is coupled to and driven by an engine. The engine and generator are fully enclosed by an enclosure 15 which includes a top panel 16, side panels 18, and a front panel 20. The enclosure 15 protects the engine and generator from dust, debris, and rough handling. It should be noted that various sized and configurations of welding systems may be utilized, and in practice, when used by a renting establishment, multiple systems may be offered, including trailer-mounted systems, skid-mounted systems, portable systems, and so forth.

[0015]A fuel cap 22 is located on the top panel 16 and provides access to a fuel tank located within the enclosure ...

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Abstract

A system and method for limiting welding output and ancillary features is provided. In one embodiment, a portable generator system includes a power generator configured to generate electrical power appropriate for welding or plasma cutting. The generator system also includes power conversion circuitry coupled to the power generator and configured to receive power from the power generator and to provide output power. The generator system includes at least operator accessible input for receiving an operator input parameter. The generator system also includes an output power limiting device not adjustable by the operator and configured to selectively limit output power from the power conversion circuitry.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a divisional of U.S. patent application Ser. No. 13 / 105,580, entitled “SYSTEM AND METHOD FOR LIMITING WELDING OUTPUT AND ANCILLARY FEATURES,” filed May 11, 2011, which claims priority to and benefit of U.S. Provisional Patent Application No. 61 / 355,985, entitled “GENERATOR / WELDER OUTPUT SELECTOR,” filed Jun. 17, 2010, each of which is herein incorporated by reference in its entirety.BACKGROUND[0002]The invention relates generally to generator systems and, more particularly, to a system and method for limiting welding output and ancillary features.[0003]Portable engine-driven generators are commonly used to provide electrical power in locations where conventional electrical power is not readily available. Both gasoline and diesel engines are used to drive such generators, and the power produced is typically 120 VAC and / or 240 VAC. One specific generator application is for welding processes and these units are commonly k...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B23K9/095B23K9/10
CPCB23K9/1062B23K9/095
Inventor BAUS, GEORGE HAROLD
Owner ILLINOIS TOOL WORKS INC