JPH0442288U - - Google Patents
Info
- Publication number
- JPH0442288U JPH0442288U JP8361690U JP8361690U JPH0442288U JP H0442288 U JPH0442288 U JP H0442288U JP 8361690 U JP8361690 U JP 8361690U JP 8361690 U JP8361690 U JP 8361690U JP H0442288 U JPH0442288 U JP H0442288U
- Authority
- JP
- Japan
- Prior art keywords
- vane
- hole
- shaft
- rotor
- conduit
- 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
- 239000003507 refrigerant Substances 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は第１図のＡ−Ａ線に沿う断面図、第３図は本
考案の要部を拡大して示す断面図で、逆止弁の開
弁状態を示している。
４，５……サイドブロツク、７……すべり軸受
、８……軸、９……ロータ、１０……ベーンスロ
ツト、１２……ベーン、１３……導孔、１４……
連通孔、１５……吐出室、１９……通孔、２０…
…逆止弁。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view taken along the line A--A in FIG. 1, and FIG. 3 is an enlarged sectional view showing the essential parts of the present invention, showing the check valve in an open state. 4, 5... Side block, 7... Sliding bearing, 8... Shaft, 9... Rotor, 10... Vane slot, 12... Vane, 13... Guide hole, 14...
Communication hole, 15...Discharge chamber, 19...Through hole, 20...
…non-return valve.
Claims (1)
ロータをサイドブロツクに回転可能に軸支し、該
サイドブロツクに吐出室に連通する通孔と、該通
孔を開閉する逆止弁とを設け、ロータの起動時に
吐出冷媒をベーンスロツトへ供給可能にしたベー
ン型コンプレツサにおけるベーンの背圧構造にお
いて、ロータを固定した軸の少なくとも一端部を
すべり軸受または無軸受で支持し、該軸の端部に
上記通孔に連通する導孔と、該導孔とベーンスリ
ツトに連通する連通孔を設けたことを特徴とする
ベーン型コンプレツサにおけるベーンの背圧構造
。 A rotor with vanes slidably housed in vane slots is rotatably supported on a side block, and the side block is provided with a through hole communicating with the discharge chamber and a check valve for opening and closing the through hole. In a vane back pressure structure of a vane type compressor that allows discharged refrigerant to be supplied to a vane slot during startup, at least one end of a shaft to which a rotor is fixed is supported by a sliding bearing or a bearingless shaft, and the above-mentioned through hole is provided at the end of the shaft. 1. A back pressure structure for a vane in a vane type compressor, characterized in that a conduit is provided which communicates with the vane slit, and a communication hole is provided which communicates with the conduit and the vane slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8361690U JPH0442288U (en) | 1990-08-09 | 1990-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8361690U JPH0442288U (en) | 1990-08-09 | 1990-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442288U true JPH0442288U (en) | 1992-04-09 |
Family
ID=31631430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8361690U Pending JPH0442288U (en) | 1990-08-09 | 1990-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012246848A (en) * | 2011-05-27 | 2012-12-13 | Calsonic Kansei Corp | Gas compressor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57137682A (en) * | 1981-02-18 | 1982-08-25 | Hitachi Ltd | Lubricator for compressor in rotary vane type refrigerator |
| JPS6348985B2 (en) * | 1984-09-28 | 1988-10-03 | Matsushita Electric Ind Co Ltd |
-
1990
- 1990-08-09 JP JP8361690U patent/JPH0442288U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57137682A (en) * | 1981-02-18 | 1982-08-25 | Hitachi Ltd | Lubricator for compressor in rotary vane type refrigerator |
| JPS6348985B2 (en) * | 1984-09-28 | 1988-10-03 | Matsushita Electric Ind Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012246848A (en) * | 2011-05-27 | 2012-12-13 | Calsonic Kansei Corp | Gas compressor |
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