JPS6374057U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す一部断面側
面図、第２図はその遮蔽板の正面図、第３図はそ
の一部断面側面図、第４図は遮蔽円板の動作説明
図、第５図は封入流体の温度と循環量及び角度α
との関係を示す図、第６図は従来装置を示す断面
図である。 図中、１は固定子鉄心、２は巻線、３は回転子
、４はフレーム、６はブラケツト、８はメカニカ
ルシール、９は回転軸、１０は囲い板、１１は封
入油、１２は遮蔽板、１２ａは切欠きである。 Fig. 1 is a partially sectional side view showing an embodiment of this invention, Fig. 2 is a front view of the shielding plate, Fig. 3 is a partially sectional side view thereof, and Fig. 4 is an explanation of the operation of the shielding disk. Figure 5 shows the temperature, circulation amount, and angle α of the sealed fluid.
FIG. 6 is a sectional view showing a conventional device. In the figure, 1 is the stator core, 2 is the winding, 3 is the rotor, 4 is the frame, 6 is the bracket, 8 is the mechanical seal, 9 is the rotating shaft, 10 is the shroud, 11 is the sealed oil, and 12 is the shield. The plate 12a is a notch.

Claims (1)

【実用新案登録請求の範囲】 (1) 密封容器に収容された固定子、回転子等か
らなり、さらに上記容器内に冷却用油が封入され
た水中電動機において、この電動機の上記容器内
における回転軸に、ある設定温度で開閉する形状
記憶合金でなる切欠き部を有する遮蔽板を取付け
たことを特徴とする油封式水中電動機。 (2) 切欠き部は遮蔽円板の外周部に等ピツチで
複数個配設されている実用新案登録請求の範囲第
１項記載の油封式水中電動機。[Scope of Claim for Utility Model Registration] (1) In a submersible electric motor consisting of a stator, a rotor, etc. housed in a sealed container, and cooling oil sealed in the container, the rotation of this electric motor within the container. An oil-sealed submersible electric motor characterized in that a shielding plate having a notch made of a shape memory alloy that opens and closes at a certain set temperature is attached to the shaft. (2) The oil-sealed submersible electric motor according to claim 1, wherein a plurality of notches are arranged at equal pitches on the outer periphery of the shielding disk.