System and method for controlling wire feed speed
US-2015375331-A1 · Dec 31, 2015 · US
Method and apparatus for welding with reduced spatter
US10183353B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10183353-B2 |
| Application number | US-201113234838-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 16, 2011 |
| Priority date | Sep 17, 2010 |
| Publication date | Jan 22, 2019 |
| Grant date | Jan 22, 2019 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A method and apparatus for reducing spatter is disclosed. A welding gun, which can be an integrated part of a welding system, includes a device, such as a solenoid or motor and roller, to slow, stop or reverse the wire. The device is activated in response to feedback indicative of a short, a short that is about to form, or the imminent clearing of a short. The detection of the short, forming of a short, or clearing of a short is in response to feedback based on current and/or voltage. Output current can also be reduced.
First claim
Opening claim text (preview).
The invention claimed is: 1. A welding gun for reducing spatter including, a path for wire through the gun, a liner, disposed about the wire path for at least a portion of the path through the gun, a solenoid, having an activated position that impinges on the wire path, and a deactivated position that does not impinge on the wire path, and a control circuit, including a feedback input and further including a control output connected to the solenoid, and wherein the liner includes a widened region where the solenoid is located that acts as a buffer for the wire, wherein the solenoid pushes the wire into the buffer. 2. The gun of claim 1 , wherein the control circuit includes a threshold circuit. 3. The gun of claim 2 , wherein the feedback input is connected to at least one of a voltage feedback signal and a current feedback signal. 4. The gun of claim 3 , wherein the control circuit includes a derivative circuit connected between the feedback input and the threshold circuit. 5. The gun of claim 3 , wherein the control circuit includes a time delay circuit.
Assignees
Inventors
Classifications
- B23K9/125Primary
Feeding of electrodes (for stabilising arc B23K9/073) · CPC title
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Frequently asked questions
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- What does patent US10183353B2 cover?
- A method and apparatus for reducing spatter is disclosed. A welding gun, which can be an integrated part of a welding system, includes a device, such as a solenoid or motor and roller, to slow, stop or reverse the wire. The device is activated in response to feedback indicative of a short, a short that is about to form, or the imminent clearing of a short. The detection of the short, forming of…
- Who is the assignee on this patent?
- Albrecht Bruce P, Leiteritz Nathan G, Illinois Tool Works
- What technology area does this patent fall under?
- Primary CPC classification B23K9/125. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jan 22 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).