Method and apparatus for fusing terminal or commutator wire connections using a trigger current
First Claim
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1. An apparatus for fusing a workpiece including at least two electrically conductive elements comprising:
- an electrode;
means for moving the electrode into contact with said workpiece causing said electrode to contact and apply a force to said workpiece;
means for generating a trigger current upon contacting said workpiece with said electrode;
means for detecting said trigger current and initiating a welding current which fuses said elements;
and means for generating said welding current.
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Abstract
An apparatus for fusing a workpiece including at least two electrically conductive elements comprising:
an electrode;
means for moving the electrode into contact with said workpiece causing said electrode to contact and apply a force to said workpiece;
means for generating a trigger current upon contacting said workpiece with said electrode;
means for detecting said trigger current and initiating a welding current which fuses said elements;
and means for generating said welding current.
24 Citations
17 Claims
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1. An apparatus for fusing a workpiece including at least two electrically conductive elements comprising:
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an electrode; means for moving the electrode into contact with said workpiece causing said electrode to contact and apply a force to said workpiece; means for generating a trigger current upon contacting said workpiece with said electrode; means for detecting said trigger current and initiating a welding current which fuses said elements; and means for generating said welding current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for fusing a workpiece including at least two electrically conductive elements comprising the steps of:
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moving an electrode into contact with said workpiece under a predetermined force; generating a trigger current upon contacting said workpiece with said electrode; detecting said trigger current; and initiating a cycle which includes generating a welding current to fuse said workpiece. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. In an apparatus including means for generating, means for monitoring and means for controlling welding current, the improvement which comprises means for generating a trigger current upon contacting a workpiece with an electrode, said trigger current being detectable by said means for monitoring said welding current such that upon detecting said trigger current, a welding cycle can be initiated.
Specification