JPS6231789U - - Google Patents
Info
- Publication number
- JPS6231789U JPS6231789U JP12270685U JP12270685U JPS6231789U JP S6231789 U JPS6231789 U JP S6231789U JP 12270685 U JP12270685 U JP 12270685U JP 12270685 U JP12270685 U JP 12270685U JP S6231789 U JPS6231789 U JP S6231789U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- gears
- cover
- gear chamber
- fitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は第１図の要部を示す断面図、第３図は第２
実施例を示す断面図である。
１１…ハウジング、１２…端部プレート、１３
，１４…シヤフト、１５，１６…ロータ、２２，
２４…孔、２８，２９…ギア、３１…カバー、３
２…ギア室、３３，３４…シール、３７…通路、
４２…透孔。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a sectional view showing the main part of Fig. 1, and Fig. 3 is a sectional view showing the main part of Fig. 1.
It is a sectional view showing an example. 11...Housing, 12...End plate, 13
, 14...shaft, 15, 16... rotor, 22,
24...hole, 28, 29...gear, 31...cover, 3
2... Gear room, 33, 34... Seal, 37... Passage,
42...Through hole.
Claims (1)
ヤフトにそれぞれロータを固定し、各シヤフトの
端部を端面プレートの孔に回転自在に嵌合させる
とともにこれらの端部に相互に噛合するギアを取
付け、かつこれらのギアを覆うカバーを設けて潤
滑油を保持するギア室を形成し、上記孔に環状の
シールを嵌着するとともに、上記端面プレートの
該シールよりもロータ側に上記孔を大気に連通さ
せる通路を形成したルーツポンプにおいて、上記
端面プレートに、上記通路とギア室とを連通させ
る透孔を穿設したことを特徴とするルーツポンプ
のブリーザ構造。 A rotor is fixed to each of a pair of shafts rotatably provided in the housing, the end of each shaft is rotatably fitted into a hole in an end plate, and gears that mesh with each other are attached to these ends, A cover is provided to cover these gears to form a gear chamber that holds lubricating oil, and an annular seal is fitted into the hole, and the hole is communicated with the atmosphere on the rotor side of the end plate from the seal. A breather structure for a Roots pump, characterized in that the end face plate is provided with a through hole for communicating the passage with a gear chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12270685U JPS6231789U (en) | 1985-08-12 | 1985-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12270685U JPS6231789U (en) | 1985-08-12 | 1985-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6231789U true JPS6231789U (en) | 1987-02-25 |
Family
ID=31013149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12270685U Pending JPS6231789U (en) | 1985-08-12 | 1985-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6231789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63130633U (en) * | 1987-02-19 | 1988-08-26 | ||
| JP2015214934A (en) * | 2014-05-12 | 2015-12-03 | 株式会社荏原製作所 | Vacuum pump device |
-
1985
- 1985-08-12 JP JP12270685U patent/JPS6231789U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63130633U (en) * | 1987-02-19 | 1988-08-26 | ||
| JP2015214934A (en) * | 2014-05-12 | 2015-12-03 | 株式会社荏原製作所 | Vacuum pump device |