JPH0283656U

JPH0283656U -

Info

Publication number: JPH0283656U
Application number: JP16009588U
Authority: JP
Priority date: 1988-12-09
Filing date: 1988-12-09
Publication date: 1990-06-28

Description

[Brief explanation of drawings]

第１図は本考案のモータの軸受装置の一実施例
を示す一部を切り欠いた断面図、第２図はその一
部を拡大した断面図である。１……モータ、２……ロータ、３……ステータ
、４……モータ室、５……モータケース、６……
回転軸、７……軸受装置、２４……軸受室、２５
，２６……ベアリング、２８……オイルシール、
３６……通気通路、４４……軸受室、４５……ベ
アリング、４６……オイルシール、５３……通気
通路。 FIG. 1 is a partially cutaway sectional view showing an embodiment of a motor bearing device of the present invention, and FIG. 2 is a partially enlarged sectional view. 1...Motor, 2...Rotor, 3...Stator, 4...Motor chamber, 5...Motor case, 6...
Rotating shaft, 7...Bearing device, 24...Bearing chamber, 25
, 26...Bearing, 28...Oil seal,
36... Ventilation passage, 44... Bearing chamber, 45... Bearing, 46... Oil seal, 53... Ventilation passage.

Claims

[Claims for Utility Model Registration] A motor case having a motor chamber in which a rotor and a stator are housed, and a motor chamber that is inserted through the motor chamber and rotatably installed between both ends of the motor case, in which the rotor is integrated. A rotary shaft fixed to the rotary shaft, a bearing that rotatably bears the rotary shaft and is housed in a bearing chamber formed at both ends of a motor case into which both ends of the rotary shaft are fitted, a bearing chamber, and the motor chamber. What is claimed is: 1. A bearing device for a motor, comprising: an oil seal that fits around an outer periphery of a rotating shaft between the parts, and a ventilation passage communicating between the bearing chamber and the motor chamber.