JPS62175284U

JPS62175284U -

Info

Publication number: JPS62175284U
Application number: JP6388186U
Authority: JP
Priority date: 1986-04-25
Filing date: 1986-04-25
Publication date: 1987-11-07
Also published as: JPH0338473Y2

Description

[Brief explanation of drawings]

第１図、第２図は本考案の一実施例を示すもの
であり、第１図は側断面図、第２図は連通孔付近
の部分側断面図、第３図は従来例の側断面図、第
４図はエンジン吸気系の系統図である。図中、１…ケーシング、２…上部ローター、３
…下部ローター、４，５…軸、６，７…ベアリン
グケース、８，９，１０，１１…ベアリング、１
２，１３…歯車、１６…歯車カバー、１６Ａ…歯
車室、１７，１８，１９，２０…オイルシール、
２１，２２，２３，２４…連通通路、２５，２６
，２７，２８…空間、３５，３６…連通孔、４５
…潤滑油。 Fig. 1 and Fig. 2 show an embodiment of the present invention, Fig. 1 is a side sectional view, Fig. 2 is a partial side sectional view near the communicating hole, and Fig. 3 is a side sectional view of the conventional example. 4 is a system diagram of the engine intake system. In the figure, 1...Casing, 2...Upper rotor, 3
...lower rotor, 4,5...shaft, 6,7...bearing case, 8,9,10,11...bearing, 1
2, 13... Gear, 16... Gear cover, 16A... Gear chamber, 17, 18, 19, 20... Oil seal,
21, 22, 23, 24...Communication passage, 25, 26
, 27, 28...Space, 35, 36...Communication hole, 45
…Lubricant.

Claims

[Scope of utility model registration request]

A casing having an inlet and an outlet, an upper rotor and a lower rotor built into the casing, bearings attached to bearing cases on the front and rear surfaces of the casing to support the shafts of the upper rotor and lower rotor, and the shaft bearing. an oil seal provided on the rotor side of the casing; a pair of gears that are attached to one end of the upper rotor and the lower rotor and mesh with each other; a gear cover that covers the gears and forms a gear chamber therein; A communication passage that communicates the space formed on the rotor side of the oil seal with the outside air, and a communication hole that communicates the space above the lubricating oil level in the gear chamber and the space of the oil seal on the gear chamber side. A mechanical supercharger featuring: