JPS6366764U - - Google Patents
Info
- Publication number
- JPS6366764U JPS6366764U JP15973086U JP15973086U JPS6366764U JP S6366764 U JPS6366764 U JP S6366764U JP 15973086 U JP15973086 U JP 15973086U JP 15973086 U JP15973086 U JP 15973086U JP S6366764 U JPS6366764 U JP S6366764U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- compressors
- evaporator
- regulator
- pipe
- 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
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図は本案の一実施例を示す冷媒回路図、第
２図は他の実施例を示す冷媒回路図、第３図は従
来例を示す冷媒回路図である。
１…冷凍装置、２，３，４…圧縮機、５…オイ
ルセパレータ、６…凝縮器、８…膨張弁、９…蒸
発器、１１，１２，１３…オイルレベルレギユレ
ータ、１４，１５…油戻し管、１６…オイルタン
ク、１７…連通管、２１，２２，２３…逆止弁。
FIG. 1 is a refrigerant circuit diagram showing one embodiment of the present invention, FIG. 2 is a refrigerant circuit diagram showing another embodiment, and FIG. 3 is a refrigerant circuit diagram showing a conventional example. 1... Refrigeration device, 2, 3, 4... Compressor, 5... Oil separator, 6... Condenser, 8... Expansion valve, 9... Evaporator, 11, 12, 13... Oil level regulator, 14, 15... Oil return pipe, 16...Oil tank, 17...Communication pipe, 21, 22, 23...Check valve.
Claims (1)
ータ、凝縮器、減圧装置、及び蒸発器を順次配管
接続して冷凍サイクルを形成し、かつ、前記圧縮
機の夫々にオイルレベルレギユレータを設けると
共に、このレギユレータと前記オイルセパレータ
とを、途中にオイルタンクを有する油戻し管で接
続し、更に、圧縮機と蒸発器の間の低圧側配管と
、オイルタンクとを連通管で接続してなる冷凍装
置において、前記各オイルレベルレギユレータの
手前の油戻し管の夫々に逆止弁または開閉弁を設
けたことを特徴とする冷凍装置。 A refrigeration cycle is formed by sequentially connecting a plurality of compressors, an oil separator, a condenser, a pressure reducing device, and an evaporator connected in parallel, and an oil level regulator is provided for each of the compressors. This regulator and the oil separator are connected by an oil return pipe having an oil tank in the middle, and the low pressure side pipe between the compressor and the evaporator is further connected to the oil tank by a communication pipe. A refrigeration system characterized in that a check valve or an on-off valve is provided in each of the oil return pipes before each of the oil level regulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986159730U JPH0615274Y2 (en) | 1986-10-17 | 1986-10-17 | Refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986159730U JPH0615274Y2 (en) | 1986-10-17 | 1986-10-17 | Refrigeration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6366764U true JPS6366764U (en) | 1988-05-06 |
| JPH0615274Y2 JPH0615274Y2 (en) | 1994-04-20 |
Family
ID=31084433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986159730U Expired - Lifetime JPH0615274Y2 (en) | 1986-10-17 | 1986-10-17 | Refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615274Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60171357A (en) * | 1984-02-15 | 1985-09-04 | 三洋電機株式会社 | Controller for oil level in multi-refrigerator |
| JPS61167182A (en) * | 1984-10-18 | 1986-07-28 | ハスマン コ−ポレ−シヨン | Oil returning device |
-
1986
- 1986-10-17 JP JP1986159730U patent/JPH0615274Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60171357A (en) * | 1984-02-15 | 1985-09-04 | 三洋電機株式会社 | Controller for oil level in multi-refrigerator |
| JPS61167182A (en) * | 1984-10-18 | 1986-07-28 | ハスマン コ−ポレ−シヨン | Oil returning device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615274Y2 (en) | 1994-04-20 |