JPH0294390U - - Google Patents
Info
- Publication number
- JPH0294390U JPH0294390U JP287289U JP287289U JPH0294390U JP H0294390 U JPH0294390 U JP H0294390U JP 287289 U JP287289 U JP 287289U JP 287289 U JP287289 U JP 287289U JP H0294390 U JPH0294390 U JP H0294390U
- Authority
- JP
- Japan
- Prior art keywords
- stage compression
- compression element
- low
- stage
- oil drain
- 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
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案圧縮機の断面図、第２図は第１
図―線における断面図、第３図は要部の拡大
断面図、第４図は第３図―線における断面図
、第５図は従来例を示す概略説明図である。
１ａ…吸入口、３ａ…吐出口、５…吸入口側軸
受部、６…吐出口側軸受部、７…低段側圧縮要素
、１１…高段側圧縮要素、１２…中間圧チヤンバ
ー、１８…吸入チヤンバー、２０…給油路、２２
…排油部、２３…排油路。
Figure 1 is a sectional view of the compressor of the present invention, and Figure 2 is a cross-sectional view of the compressor of the present invention.
3 is an enlarged sectional view of a main part, FIG. 4 is a sectional view taken along the line of FIG. 3, and FIG. 5 is a schematic explanatory diagram showing a conventional example. 1a...Suction port, 3a...Discharge port, 5...Suction port side bearing part, 6...Discharge port side bearing part, 7...Low stage side compression element, 11...High stage side compression element, 12...Intermediate pressure chamber, 18... Suction chamber, 20... Oil supply path, 22
...Oil drain section, 23...Oil drain path.
Claims (1)
え、前記低段側圧縮要素７に吸入口１ａを設け、
前記高段側圧縮要素１１に吐出口３ａを設けると
共に、前記低段側圧縮要素７の吐出側と高段側圧
縮要素１１の吸入側とを連通した２段圧縮形スク
リユー圧縮機において、前記低段側圧縮要素７に
おける吸入口１ａ側の軸受部５を、前記吸入口１
ａに連通する吸入チヤンバー１８に対し閉鎖して
、給油路２０を連通させると共に、前記軸受部５
の排油部２２に排油路２３と接続して、この排油
路２３を前記低段側圧縮要素７の吐出側における
中間圧部分に連通させたことを特徴とする２段圧
縮形スクリユー圧縮機。 It comprises a low-stage compression element 7 and a high-stage compression element 11, and the low-stage compression element 7 is provided with an inlet 1a,
In a two-stage compression type screw compressor in which the high-stage compression element 11 is provided with a discharge port 3a and the discharge side of the low-stage compression element 7 and the suction side of the high-stage compression element 11 are communicated, The bearing portion 5 on the suction port 1a side of the stage-side compression element 7 is connected to the suction port 1
It is closed to the suction chamber 18 that communicates with
The two-stage compression type screw compression is characterized in that the oil drain portion 22 is connected to an oil drain path 23, and the oil drain path 23 is communicated with an intermediate pressure portion on the discharge side of the low-stage compression element 7. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP287289U JPH0716061Y2 (en) | 1989-01-14 | 1989-01-14 | 2-stage compression type screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP287289U JPH0716061Y2 (en) | 1989-01-14 | 1989-01-14 | 2-stage compression type screw compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0294390U true JPH0294390U (en) | 1990-07-26 |
| JPH0716061Y2 JPH0716061Y2 (en) | 1995-04-12 |
Family
ID=31204022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP287289U Expired - Lifetime JPH0716061Y2 (en) | 1989-01-14 | 1989-01-14 | 2-stage compression type screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716061Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317480A (en) * | 2000-04-28 | 2001-11-16 | Hitachi Ltd | Screw compressor |
| WO2007000815A1 (en) * | 2005-06-29 | 2007-01-04 | Mayekawa Mfg. Co., Ltd | Oil supply method and device for two-stage screw compressor, and method of operating refrigeration device |
-
1989
- 1989-01-14 JP JP287289U patent/JPH0716061Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317480A (en) * | 2000-04-28 | 2001-11-16 | Hitachi Ltd | Screw compressor |
| WO2007000815A1 (en) * | 2005-06-29 | 2007-01-04 | Mayekawa Mfg. Co., Ltd | Oil supply method and device for two-stage screw compressor, and method of operating refrigeration device |
| JPWO2007000815A1 (en) * | 2005-06-29 | 2009-01-22 | 株式会社前川製作所 | Lubricating method for two-stage screw compressor, device and operating method for refrigerating device |
| US7722346B2 (en) | 2005-06-29 | 2010-05-25 | Mayekawa Mfg. Co., Ltd. | Oil supply method of two-stage screw compressor, two-stage screw compressor applying the method, and method of operating refrigerating machine having the compressor |
| US8277207B2 (en) | 2005-06-29 | 2012-10-02 | Mayekawa Mfg. Co., Ltd. | Oil supply method of two-stage screw compressor, two-stage screw compressor applying the method, and method of operating refrigerating machine having the compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716061Y2 (en) | 1995-04-12 |