JPH01134791U - - Google Patents
Info
- Publication number
- JPH01134791U JPH01134791U JP3171388U JP3171388U JPH01134791U JP H01134791 U JPH01134791 U JP H01134791U JP 3171388 U JP3171388 U JP 3171388U JP 3171388 U JP3171388 U JP 3171388U JP H01134791 U JPH01134791 U JP H01134791U
- Authority
- JP
- Japan
- Prior art keywords
- slide valve
- space
- screw compressor
- type screw
- pressure
- 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
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案の第１実施例に係るスライド弁
式スクリユ圧縮機のガス系統図、第２図は第１図
に示す圧縮機本体の概略断面図、第３図はスライ
ド弁の位置と内部容積比との関係を示す図、第４
図は本考案の第２実施例に係るスライド弁式スク
リユ圧縮機のガス系統図、第５図は本考案の第３
実施例に係るスライド弁式スクリユ圧縮機のガス
、油系統図である。
１……スクリユロータ、２……空圧シリンダ、
３……スライド弁、４，４ａ，４ｂ，４ｃ……圧
縮機本体、５……吸込流路、６……吐出流路、７
……ピストン、８，９，９ａ……空間、１０……
コイルばね、１１，１２，１２ａ……管、１４…
…吸込部、２４……油空圧シリンダ。
Fig. 1 is a gas system diagram of a slide valve type screw compressor according to the first embodiment of the present invention, Fig. 2 is a schematic sectional view of the compressor main body shown in Fig. 1, and Fig. 3 is a diagram showing the position of the slide valve. Diagram showing the relationship with internal volume ratio, 4th
The figure is a gas system diagram of a slide valve type screw compressor according to the second embodiment of the present invention, and Figure 5 is the gas system diagram of the slide valve type screw compressor according to the second embodiment of the present invention.
It is a gas and oil system diagram of a slide valve type screw compressor according to an example. 1...Screw rotor, 2...Pneumatic cylinder,
3... Slide valve, 4, 4a, 4b, 4c... Compressor main body, 5... Suction channel, 6... Discharge channel, 7
...Piston, 8,9,9a...Space, 10...
Coil spring, 11, 12, 12a...tube, 14...
...Suction part, 24...Hydraulic pneumatic cylinder.
Claims (1)
節用のスライド弁を備えたスライド弁式スクリユ
圧縮機において、上記内部圧縮比を小さくする方
向に上記スライド弁を常時付勢するばね手段を設
けるとともに、上記流体圧力シリンダ内のピスト
ンで仕切られた、この両側の２つの空間のうち、
上記ばね手段により縮小させられる側の空間には
直接あるいは適宜圧力伝達媒体を介して吐出圧力
を作用させ、この空間とは反対側の空間には吸込
圧力を作用させる流体流路を設けて形成したこと
を特徴とするスライド弁式スクリユ圧縮機。 In a slide valve type screw compressor equipped with a slide valve for adjusting an internal compression ratio operated by a fluid pressure cylinder, a spring means is provided that constantly biases the slide valve in a direction to reduce the internal compression ratio, and Of the two spaces on both sides separated by the piston inside the pressure cylinder,
A discharge pressure is applied directly or via an appropriate pressure transmission medium to the space to be contracted by the spring means, and a fluid flow path is provided to apply suction pressure to the space opposite to this space. A slide valve type screw compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3171388U JPH01134791U (en) | 1988-03-08 | 1988-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3171388U JPH01134791U (en) | 1988-03-08 | 1988-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134791U true JPH01134791U (en) | 1989-09-14 |
Family
ID=31257772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3171388U Pending JPH01134791U (en) | 1988-03-08 | 1988-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134791U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113748U (en) * | 1991-03-25 | 1992-10-06 | 愛知機械工業株式会社 | super charger |
| WO2013146674A1 (en) * | 2012-03-30 | 2013-10-03 | 株式会社神戸製鋼所 | Two-stage compression device |
| CN103470504A (en) * | 2013-08-29 | 2013-12-25 | 吴家伟 | Energy and internal volume ratio unified regulating mechanism of screw compressor |
-
1988
- 1988-03-08 JP JP3171388U patent/JPH01134791U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113748U (en) * | 1991-03-25 | 1992-10-06 | 愛知機械工業株式会社 | super charger |
| WO2013146674A1 (en) * | 2012-03-30 | 2013-10-03 | 株式会社神戸製鋼所 | Two-stage compression device |
| CN103470504A (en) * | 2013-08-29 | 2013-12-25 | 吴家伟 | Energy and internal volume ratio unified regulating mechanism of screw compressor |
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