JPS5845984U - roots blower - Google Patents
roots blowerInfo
- Publication number
- JPS5845984U JPS5845984U JP14168681U JP14168681U JPS5845984U JP S5845984 U JPS5845984 U JP S5845984U JP 14168681 U JP14168681 U JP 14168681U JP 14168681 U JP14168681 U JP 14168681U JP S5845984 U JPS5845984 U JP S5845984U
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- bearing
- casing
- blower
- roots blower
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来構成の一例を示讐縦断面構造図、第２．３
図は本考案の一実施例を示す縦断面構造図と横断面構造
図、第４図は第２図における要部拡大図であり、図中、
１はプロワ−ケーシング、２は軸受ケーシング、４．５
はローター、４ａ。
５ａはラビリンスシール、１０は空室、１５はオイルシ
ール、１６は０リング、１７．１８は空間部、１９．２
０は通孔を示す。Figure 1 shows an example of a conventional configuration.
The figure shows a vertical cross-sectional structural view and a cross-sectional structural view showing one embodiment of the present invention, and FIG. 4 is an enlarged view of the main parts in FIG. 2. In the figure,
1 is the blower casing, 2 is the bearing casing, 4.5
is the rotor, 4a. 5a is a labyrinth seal, 10 is a vacant chamber, 15 is an oil seal, 16 is an O-ring, 17.18 is a space, 19.2
0 indicates a through hole.
Claims (1)
シング内にラビリンスシール・空室・オイルシール・軸
受を順次設けるとともに、前記空室とプロワ−ケーシン
グの吸込側とを適宜通孔番トより連通させたものにおい
て、少くとも軸受を油潤滑とした側はオイルシール背面
におけるローター軸部にシール材を一体回転可能に嵌装
して、軸部に沿いプロワ−ケーシング側へ流入しようと
する軸受部゛よりの漏油通路を遮断せしめるとともに、
前記シール材両側部は軸受ケーシング内側壁および前記
オイルシール背面間において微少間隙をもった緩嵌台状
となし、さらに前記シール材室は適宜通路により外部と
連通させたことを特徴とするルーツプロワ−０（２）前
記シール材は緩衝材より成るＯリングとした実用新案登
録請求の範囲第１項記載のルーツブロワ−０ （３）前記シール材は緩衝材より成る鍔状体とした実用
新案登録請求の範囲第１項記載のルーツブロワ−０[Claims for Utility Model Registration] (1) A labyrinth seal, a cavity, an oil seal, and a bearing are sequentially provided in a bearing casing arranged adjacent to the blower casing, and the cavity is connected to the suction side of the blower casing. At least on the side where the bearing is lubricated with oil, a sealing material is fitted so as to be able to rotate integrally with the rotor shaft on the back of the oil seal, and the blower casing is connected along the shaft. In addition to blocking the oil leakage path from the bearing section that is about to flow into the side,
The roots blower is characterized in that both sides of the sealing material are formed into a loose fitting platform shape with a small gap between the inner wall of the bearing casing and the back surface of the oil seal, and further, the sealing material chamber is communicated with the outside through an appropriate passage. 0 (2) Utility model registration claim in which the sealing material is an O-ring made of a cushioning material Roots blower according to paragraph 1 0 (3) Utility model registration claim in which the sealing material is a brim-shaped body made of a cushioning material Roots blower-0 as described in item 1 of the scope of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14168681U JPS5845984U (en) | 1981-09-24 | 1981-09-24 | roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14168681U JPS5845984U (en) | 1981-09-24 | 1981-09-24 | roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5845984U true JPS5845984U (en) | 1983-03-28 |
Family
ID=29934767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14168681U Pending JPS5845984U (en) | 1981-09-24 | 1981-09-24 | roots blower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5845984U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5367104A (en) * | 1976-09-04 | 1978-06-15 | Howden Compressors Ltd | Fluid compression device |
| JPS55104588A (en) * | 1979-02-02 | 1980-08-11 | Shin Meiwa Ind Co Ltd | Underwater blower |
-
1981
- 1981-09-24 JP JP14168681U patent/JPS5845984U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5367104A (en) * | 1976-09-04 | 1978-06-15 | Howden Compressors Ltd | Fluid compression device |
| JPS55104588A (en) * | 1979-02-02 | 1980-08-11 | Shin Meiwa Ind Co Ltd | Underwater blower |
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