Structure of electrical connection portion, rotor and motor that apply same structure, and method for forming electrical connection portion
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United States of America Patent
Stats
-
Jul 7, 2020
Grant Date -
Jan 25, 2018
app pub date -
Sep 13, 2017
filing date -
Dec 28, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is a structure of an electrical connection portion formed by thermal bonding of a terminal 53 of a current-carrying component 50 of a motor and a winding wire 30. The terminal 53 includes a lock portion 53a positioned on a base end side and a fusion portion 53b positioned on a distal end side. The winding wire 30 includes a binding portion 31 wound around the lock portion 53a and has a one end portion 36 coupled to a molten ball 55 generated at the fusion portion 53b; and a coupling wire portion 33 tightly stretched from a main winding wire portion 34 of the motor disposed in a wound state and continuous to the other end portion of the binding portion 31. The one end portion 36 of the binding portion 31 is in a state where tension pulling the coupling wire portion 33 to the main winding wire portion 34 side does not act.
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