JPS6315166U

JPS6315166U -

Info

Publication number: JPS6315166U
Application number: JP10807786U
Authority: JP
Priority date: 1986-07-16
Filing date: 1986-07-16
Publication date: 1988-02-01

Description

[Brief explanation of the drawing]

図は、本考案の一実施例を示すもので、第１図
は本考案を直流整流子モータのロータ励磁鉄心に
適用した一例を示すロータの正面図、第２図は、
第１図における―線断面図、第３図は、第１
図における―線断面図、第４図は短絡コイル
の一例を展開して示す平面図である。１……鉄心、２……励磁コイル、３……ポール
、４……短絡コイル、４ａ……両端、４ｂ……幅
狭部。 The figures show one embodiment of the present invention. Fig. 1 is a front view of a rotor showing an example in which the present invention is applied to a rotor exciting core of a DC commutator motor, and Fig. 2 is a front view of a rotor.
- line sectional view in Figure 1, Figure 3 is the
4 is a plan view showing an example of a short-circuited coil developed. 1... Iron core, 2... Excitation coil, 3... Pole, 4... Short circuit coil, 4a... Both ends, 4b... Narrow part.

Claims

[Claims for Utility Model Registration] (1) An excitation iron core for a small DC motor, in which each pole excited by an excitation coil is provided with a short-circuiting coil that short-circuits the voltage induced by the magnetic flux generated in the pole. . (2) The pole excited by the excitation coil is
An excitation iron core for a small DC motor according to claim (1) of the utility model registration claim, which is a pole in a rotor of a DC commutator motor. (3) The pole excited by the exciting coil is
An excitation core for a small DC motor according to claim (1) of the utility model registration claim, which is a pole in a stator of a DC non-commutator motor. (4) The short-circuit coil is a small-sized coil according to any one of claims (1) to (3) of the utility model registration claim, in which a strip-shaped coil is wound once and its both ends are connected. Excitation core for DC motors. (5) The excitation core for a small DC motor according to claim (4) of the utility model registration, wherein the short-circuit coil is a strip-shaped coil having a narrow portion for current adjustment.