JPS63202701U - - Google Patents
Info
- Publication number
- JPS63202701U JPS63202701U JP9489487U JP9489487U JPS63202701U JP S63202701 U JPS63202701 U JP S63202701U JP 9489487 U JP9489487 U JP 9489487U JP 9489487 U JP9489487 U JP 9489487U JP S63202701 U JPS63202701 U JP S63202701U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- main body
- screw expander
- circulation passage
- collector
- 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
- 239000003921 oil Substances 0.000 claims 8
- 239000010687 lubricating oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 1
Description
第１図は本考案の第１実施例に係る油冷式スク
リユ膨張機のガス、油系統図、第２図は第１実施
例における圧力と時間との関係を示す図、第３図
は本考案の第２実施例に係る油冷式スクリユ膨張
機のガス、油系統図、第４図は従来の油冷式スク
リユ膨張機のガス、油系統図、第５図は第４図に
示す膨張機における圧力と時間との関係を示す図
である。
１……（スクリユ膨張機）本体、２……吸込流
路、３……油回収器、４……吐出流路、５……油
冷却器、６……油ポンプ、７……油循環流路、８
……油調節弁、１１，１１ａ……油戻し流路。
Fig. 1 is a gas and oil system diagram of an oil-cooled screw expander according to the first embodiment of the present invention, Fig. 2 is a diagram showing the relationship between pressure and time in the first embodiment, and Fig. 3 is a diagram of the present invention. The gas and oil system diagram of the oil-cooled screw expander according to the second embodiment of the invention, FIG. 4 is the gas and oil system diagram of the conventional oil-cooled screw expander, and FIG. 5 is the expansion shown in FIG. 4. FIG. 2 is a diagram showing the relationship between pressure and time in the machine. 1...(Screw expander) main body, 2...Suction channel, 3...Oil recovery device, 4...Discharge channel, 5...Oil cooler, 6...Oil pump, 7...Oil circulation flow Road, 8
...Oil control valve, 11, 11a...Oil return channel.
Claims (1)
る吸込流路と、この本体の他方から出るとともに
、油回収器を設けた吐出流路と、油回収器から上
記本体内の潤滑油供給箇所に至るとともに、少な
くとも油冷却器、油ポンプを設けた油循環流路と
を備えた油冷式スクリユ膨張機において、油循環
流路の油ポンプ出側と本体近傍の吸込流路または
本体内ガス閉込み部との間に、両者間の差圧が所
定値を超えると開く油圧調節弁を備えた油戻し流
路を設けたことを特徴とする油冷式スクリユ膨張
機。 A screw expander main body, a suction channel leading to one side of this main body, a discharge channel that exits from the other side of this main body and is equipped with an oil collector, and from the oil collector to a lubricating oil supply point in the main body. In addition, in an oil-cooled screw expander equipped with at least an oil cooler and an oil circulation passage provided with an oil pump, gas entrapment can be prevented in the oil pump outlet side of the oil circulation passage and the suction passage near the main body or in the main body. 1. An oil-cooled screw expander characterized in that an oil return flow path equipped with a hydraulic pressure control valve that opens when the differential pressure between the two exceeds a predetermined value is provided between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9489487U JPS63202701U (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9489487U JPS63202701U (en) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63202701U true JPS63202701U (en) | 1988-12-27 |
Family
ID=30958820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9489487U Pending JPS63202701U (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63202701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019511663A (en) * | 2016-02-23 | 2019-04-25 | アトラス コプコ エアーパワー, ナームローゼ フェンノートシャップATLAS COPCO AIRPOWER, naamloze vennootschap | Gas expander and method of expanding gas |
| JP2020148178A (en) * | 2019-03-15 | 2020-09-17 | 富士電機株式会社 | Scroll steam expansion system |
-
1987
- 1987-06-19 JP JP9489487U patent/JPS63202701U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019511663A (en) * | 2016-02-23 | 2019-04-25 | アトラス コプコ エアーパワー, ナームローゼ フェンノートシャップATLAS COPCO AIRPOWER, naamloze vennootschap | Gas expander and method of expanding gas |
| US11156088B2 (en) | 2016-02-23 | 2021-10-26 | Atlas Copco Airpower, Naamloze Vennootschap | Gas expansion device and method for expanding gas |
| JP2020148178A (en) * | 2019-03-15 | 2020-09-17 | 富士電機株式会社 | Scroll steam expansion system |
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