JPS61114087U - - Google Patents
Info
- Publication number
- JPS61114087U JPS61114087U JP20046184U JP20046184U JPS61114087U JP S61114087 U JPS61114087 U JP S61114087U JP 20046184 U JP20046184 U JP 20046184U JP 20046184 U JP20046184 U JP 20046184U JP S61114087 U JPS61114087 U JP S61114087U
- Authority
- JP
- Japan
- Prior art keywords
- discharge port
- housing
- sleeve
- opening
- center housing
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Rotary Pumps (AREA)
Description
第１〜３図は本考案の実施例を示すもので、第
１図は第１実施例に係る回転圧縮機の縦断面図、
第２図は第１図―線で切断した断面図、第３
図は第１図―線で切断して吐出ポート側のケ
ーシング内周面を示す要部断面図である。第４図
は従来の回転圧縮機を示す要部縦断面図である。
１…回転圧縮機、２…ケーシング、３…センタ
ーハウジング、５，６…サイドハウジング、７…
吸入ポート、８…吐出ポート、１０…回転スリー
ブ、１１…空気軸受部、１３…ロータ、１５…ベ
ーン、１６…作動室、１９…第１連通路、１９ａ
…上流側開口部（第１開口部）、１９ｂ…下流側
開口部（第２開口部）、２０…第２連通路、２１
…第１遮断機構（第１逆止弁）、２２…第２遮断
機構（第２逆止弁）。
1 to 3 show an embodiment of the present invention, and FIG. 1 is a longitudinal sectional view of a rotary compressor according to the first embodiment;
Figure 2 is a sectional view taken along the line in Figure 1, and Figure 3
The figure is a cross-sectional view of the main part taken along the line in FIG. 1 and showing the inner circumferential surface of the casing on the discharge port side. FIG. 4 is a vertical cross-sectional view of a main part of a conventional rotary compressor. DESCRIPTION OF SYMBOLS 1... Rotary compressor, 2... Casing, 3... Center housing, 5, 6... Side housing, 7...
Suction port, 8...Discharge port, 10...Rotating sleeve, 11...Air bearing portion, 13...Rotor, 15...Vane, 16...Working chamber, 19...First communication path, 19a
...Upstream opening (first opening), 19b...Downstream opening (second opening), 20...Second communication path, 21
...first shutoff mechanism (first check valve), 22...second shutoff mechanism (second check valve).
Claims (1)
該センターハウジングの両側部に配置されたサイ
ドハウジングとを有するケーシングと、上記サイ
ドハウジングに形成された吸入ポート及び吐出ポ
ートと、上記センターハウジング内に嵌挿されて
該ハウジング内周面との間に形成された空気軸受
部を介して回転自在に支持された回転スリーブと
、該スリーブ内に偏心配置されたロータと、該ロ
ータに出退自在に嵌装され且つ上記回転スリーブ
内周面に摺接して該スリーブとロータとの間に複
数の作動室を形成する複数のベーンとを備えた回
転圧縮機であつて、上記吐出ポート側のセンター
ハウジングに設けられて一端が該吐出ポート側に
おける上記空気軸受部のロータ回転方向に対する
上流側に開口され且つ他端がその下流側に開口さ
れた第１連通路と、該第１連通路における上流側
開口部と上記吐出ポートとを連通させる第２連通
路と、上記第１連通路に設けられてその上流側開
口部から下流側開口部への空気の流れを遮断する
第１遮断機構と、上記第２連通路に設けられて上
記第１連通路の上流側開口部側から吐出ポートへ
の空気の流れを遮断する第２遮断機構とを有する
ことを特徴とする回転スリーブを有する回転圧縮
機。 a casing having a center housing having a cylindrical inner peripheral surface and side housings disposed on both sides of the center housing; an intake port and a discharge port formed in the side housing; and a casing that is fitted into the center housing. a rotating sleeve rotatably supported via an air bearing portion formed between the housing and the inner circumferential surface of the housing; a rotor eccentrically disposed within the sleeve; and a plurality of vanes that slide on the inner peripheral surface of the rotary sleeve to form a plurality of working chambers between the sleeve and the rotor, the rotary compressor being provided in the center housing on the discharge port side. a first communicating passage having one end opened on the upstream side with respect to the rotor rotational direction of the air bearing portion on the discharge port side and the other end opening on the downstream side; and an upstream opening in the first communicating passage. and the discharge port; a first blocking mechanism provided in the first communicating path to block the flow of air from the upstream opening to the downstream opening; A rotary compressor having a rotary sleeve, characterized in that the second blocking mechanism is provided in the communicating path and blocks the flow of air from the upstream opening side of the first communicating path to the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20046184U JPS6329185Y2 (en) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20046184U JPS6329185Y2 (en) | 1984-12-28 | 1984-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61114087U true JPS61114087U (en) | 1986-07-18 |
| JPS6329185Y2 JPS6329185Y2 (en) | 1988-08-05 |
Family
ID=30761335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20046184U Expired JPS6329185Y2 (en) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6329185Y2 (en) |
-
1984
- 1984-12-28 JP JP20046184U patent/JPS6329185Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6329185Y2 (en) | 1988-08-05 |
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