JPS63190585U - - Google Patents
Info
- Publication number
- JPS63190585U JPS63190585U JP8171487U JP8171487U JPS63190585U JP S63190585 U JPS63190585 U JP S63190585U JP 8171487 U JP8171487 U JP 8171487U JP 8171487 U JP8171487 U JP 8171487U JP S63190585 U JPS63190585 U JP S63190585U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- fixed part
- rise
- discharged fluid
- temperature change
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案保護装置の一例を適用したスク
リユー圧縮機の部分断面正面図、第２図は第１図
に示したスクリユー圧縮機のスクリユーロータを
鎖線で示した部分断面側面図、第３図は本考案の
一例を示す保護装置の概要図、第４図は温度変化
の検出例を示す電気回路図、第５図は吐出ガス温
度とケーシング温度との温度変化とクリアランス
の変化を示すグラフ、第６図は従来例の説明図で
ある。
１……ケーシング（固定部）、２……スクリユ
ーロータ、２０……第１温度検出器、２１……第
２温度検出器、２３……温度低下手段。
Fig. 1 is a partially sectional front view of a screw compressor to which an example of the protection device of the present invention is applied, Fig. 2 is a partially sectional side view of the screw rotor of the screw compressor shown in Fig. Figure 3 is a schematic diagram of a protection device that shows an example of the present invention, Figure 4 is an electric circuit diagram that shows an example of temperature change detection, and Figure 5 shows temperature changes between discharge gas temperature and casing temperature and clearance changes. The graph in FIG. 6 is an explanatory diagram of a conventional example. DESCRIPTION OF SYMBOLS 1... Casing (fixed part), 2... Screw rotor, 20... First temperature detector, 21... Second temperature detector, 23... Temperature lowering means.
Claims (1)
して回転するロータ２とのクリアランスの温度上
昇による減少に対し保護する保護装置であつて、
吐出流体の温度変化を検出する検出手段２０，２
１と、前記吐出流体の温度変化がクリアランスの
許容限界に至る温度変化のとき、温度上昇を低下
させる温度低下手段２３とを備えていることを特
徴とする圧縮機の保護装置。 A protection device for protecting against a decrease in clearance between a fixed part 1 in a compressor and a rotor 2 rotating opposite to the fixed part 1 due to a rise in temperature,
Detection means 20, 2 for detecting temperature change of discharged fluid
1; and a temperature lowering means 23 for reducing a temperature rise when the temperature change of the discharged fluid reaches an allowable clearance limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987081714U JPH0634636Y2 (en) | 1987-05-27 | 1987-05-27 | Compressor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987081714U JPH0634636Y2 (en) | 1987-05-27 | 1987-05-27 | Compressor protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190585U true JPS63190585U (en) | 1988-12-08 |
| JPH0634636Y2 JPH0634636Y2 (en) | 1994-09-07 |
Family
ID=30933698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987081714U Expired - Lifetime JPH0634636Y2 (en) | 1987-05-27 | 1987-05-27 | Compressor protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634636Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009084641A1 (en) * | 2007-12-28 | 2009-07-09 | Daikin Industries, Ltd. | Screw compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6844689B2 (en) | 2017-03-21 | 2021-03-17 | ダイキン工業株式会社 | Single screw compressor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159316U (en) * | 1978-04-28 | 1979-11-07 | ||
| JPS59231194A (en) * | 1983-06-15 | 1984-12-25 | Nippon Denso Co Ltd | Rotary compressor |
| JPS6095101U (en) * | 1983-12-07 | 1985-06-28 | 株式会社日立製作所 | compressor protector |
-
1987
- 1987-05-27 JP JP1987081714U patent/JPH0634636Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159316U (en) * | 1978-04-28 | 1979-11-07 | ||
| JPS59231194A (en) * | 1983-06-15 | 1984-12-25 | Nippon Denso Co Ltd | Rotary compressor |
| JPS6095101U (en) * | 1983-12-07 | 1985-06-28 | 株式会社日立製作所 | compressor protector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009084641A1 (en) * | 2007-12-28 | 2009-07-09 | Daikin Industries, Ltd. | Screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634636Y2 (en) | 1994-09-07 |
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