JPH0321979U

JPH0321979U -

Info

Publication number: JPH0321979U
Application number: JP8009489U
Authority: JP
Priority date: 1989-07-10
Filing date: 1989-07-10
Publication date: 1991-03-06

Description

[Brief explanation of drawings]

第１ａ，ｂは電極部の構造図、接触部分の説明
図、第２図は検出回路図、第３図は電圧変化状態
図、第４図は第３図の波形により得られたパルス
波形図、第５図はひとつの励磁極の駆動回路図、
第６図はコンデンサにより得られるパルス波形図
、第７図ａ，ｂは固定子部の平面図と、回転子も
含めた断面図、第８図は回転原理図、第９図は従
来技術の断面図、第１０図、第１１図は特殊軸受
の説明図である。図中、１……回転子（ロータコーン）、２……
固定子（ステータコーン）、Ｒ……ライニング材
、Ｐ……電極、Ｃ……静電容量、ｒ……外部抵抗
器である。 1a and 1b are structural diagrams of the electrode section, explanatory diagrams of the contact parts, Figure 2 is a detection circuit diagram, Figure 3 is a voltage change state diagram, and Figure 4 is a pulse waveform diagram obtained from the waveform of Figure 3. , Figure 5 is a driving circuit diagram of one excitation pole,
Fig. 6 is a pulse waveform diagram obtained by a capacitor, Fig. 7 a and b are a plan view of the stator section and a sectional view including the rotor, Fig. 8 is a diagram of the rotation principle, and Fig. 9 is a diagram of the conventional technology. The sectional view, FIG. 10, and FIG. 11 are explanatory diagrams of the special bearing. In the figure, 1... rotor (rotor cone), 2...
Stator (stator cone), R: lining material, P: electrode, C: capacitance, r: external resistor.

Claims

[Claims for Utility Model Registration] (1) In a variable gap motor in which a rotor is magnetically attracted and rolls while moving its contact position along a stator ring corresponding to an excitation pole, the stator ring A lining is placed on the rotor contact surface of the rotor, an electrode is placed on the back side of this lining,
A variable gap motor characterized by applying a high frequency voltage between the electrodes and the rotor. (2) A capacitor and a resistor are connected in series between the electrodes and the rotor, a high-frequency power source is connected to this series body, and a low-pass filter is provided to take out the voltage between the resistors, and from the output of this low-pass filter. 2. The variable air gap motor according to claim 1, further comprising a comparator for extracting a signal above a certain level. (3) An electrode is provided on the back side of the lining provided on the rotor cone facing surface of the stator cone, the rotor cone and the above electrode are used as a capacitor, and the electrode is routed to the back side of the stator cone other than the rotor cone facing surface. 2. The variable gap motor according to claim 1, further comprising a function box provided on the back side of the motor.