JPH02128056U - - Google Patents
Info
- Publication number
- JPH02128056U JPH02128056U JP3720289U JP3720289U JPH02128056U JP H02128056 U JPH02128056 U JP H02128056U JP 3720289 U JP3720289 U JP 3720289U JP 3720289 U JP3720289 U JP 3720289U JP H02128056 U JPH02128056 U JP H02128056U
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- switching valve
- bypass port
- indoor heat
- way switching
- 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
- 238000005057 refrigeration Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図はこの考案の一実施例を示す冷媒回路図
、第２図は同じく回転圧縮機の要部縦断面図、第
３図は同じく回転圧縮機の横断面図、第４図は同
じく能力切換弁の拡大断面図、第５図は従来例を
示す冷媒回路図、第６図は同じく回転圧縮機の要
部断面図である。
１……回転圧縮機、２……四方切換弁、３……
室外側熱交換器、４……減圧装置、５……室内側
熱交換器、１８……吸入孔、１９……吐出ポート
、２０……バイパスポート、２１……バイパス管
、２２……配管、２３……能力切換弁、２４……
弁体、２６……バネ部材。
Fig. 1 is a refrigerant circuit diagram showing an embodiment of this invention, Fig. 2 is a vertical sectional view of the main parts of the rotary compressor, Fig. 3 is a cross sectional view of the rotary compressor, and Fig. 4 is the same capacity. FIG. 5 is an enlarged sectional view of the switching valve, FIG. 5 is a refrigerant circuit diagram showing a conventional example, and FIG. 6 is a sectional view of the main parts of the rotary compressor. 1...Rotary compressor, 2...Four-way switching valve, 3...
Outdoor heat exchanger, 4... Pressure reduction device, 5... Indoor heat exchanger, 18... Suction hole, 19... Discharge port, 20... Bypass port, 21... Bypass pipe, 22... Piping, 23...Capacity switching valve, 24...
Valve body, 26... spring member.
Claims (1)
置及び室内側熱交換器を配管接続し、前記四方切
換弁を介して室外側熱交換器あるいは室内側熱交
換器を別々に圧縮機の吸入孔及び吐出ポートに連
通させ、この吸入孔と吐出ポートとの間にバイパ
スポートを設け、このバイパスポートと、四方切
換弁と室内側熱交換器との間の配管とをバイパス
路で連通し、かつ、バイパスポートに能力切換弁
を設けた冷凍装置において、前記能力切換弁はバ
イパスポートを開閉する弁体と、この弁体の背面
を押圧するバネ部材とを有し、このバネ部材は高
圧圧力と低圧圧力とが所定圧力差以上になると作
動するバネ定数を有するバネであることを特徴と
する冷凍装置。 The compressor, four-way switching valve, outdoor heat exchanger, pressure reducing device, and indoor heat exchanger are connected via piping, and the outdoor heat exchanger or indoor heat exchanger can be connected to the compressor separately via the four-way switching valve. A bypass port is provided between the suction hole and the discharge port, and the bypass port is connected to the piping between the four-way switching valve and the indoor heat exchanger through a bypass path. , and in a refrigeration system in which a capacity switching valve is provided in a bypass port, the capacity switching valve has a valve body that opens and closes the bypass port, and a spring member that presses a back surface of the valve body, and this spring member is configured to operate under high pressure. A refrigeration system characterized by a spring having a spring constant that operates when a pressure and a low pressure become equal to or higher than a predetermined pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720289U JPH02128056U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720289U JPH02128056U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128056U true JPH02128056U (en) | 1990-10-22 |
Family
ID=31544101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3720289U Pending JPH02128056U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128056U (en) |
-
1989
- 1989-03-29 JP JP3720289U patent/JPH02128056U/ja active Pending
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