JPS6331279U - - Google Patents
Info
- Publication number
- JPS6331279U JPS6331279U JP12572686U JP12572686U JPS6331279U JP S6331279 U JPS6331279 U JP S6331279U JP 12572686 U JP12572686 U JP 12572686U JP 12572686 U JP12572686 U JP 12572686U JP S6331279 U JPS6331279 U JP S6331279U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- opening
- disc
- opens
- 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
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は従来方式の概要図である。
１……インレツトバルブ、２……インレツトバ
ルブ本体、３……管路、４……円板、５……シリ
ンダ、６……ブローダウンバルブ部、７……ピス
トン、８……ピストンロツド、２１……開閉支援
用油圧シリンダ、２２……ピストン、２３……給
油管、２４……排油管、２６……軸受潤滑装置。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a schematic diagram of a conventional system. DESCRIPTION OF SYMBOLS 1...Inlet valve, 2...Inlet valve body, 3...Pipe line, 4...Disc, 5...Cylinder, 6...Blowdown valve part, 7...Piston, 8...Piston rod, 21... Hydraulic cylinder for opening/closing support, 22... Piston, 23... Oil supply pipe, 24... Oil drain pipe, 26... Bearing lubricating device.
Claims (1)
る円板を回転自在に取り付けたインレツトバルブ
本体の両側にシリンダとブローダウンバルブ部と
を備え、且つ上記シリンダ内のピストンに一端を
固定したピストンロツドに上記円板の回転中心軸
を連結すると共に他端にブローバルブプレートを
取り付け、更に、吐出圧力の値によつて上記シリ
ンダのピストンヘツド側又はロツド側への空気回
路を切り換えることにより上記円板を開閉させる
ようにしたスクリユー圧縮機の吸入容量調整装置
において、上記インレツトバルブ本体とブローダ
ウンバルブ部との間に、開閉支援用の油圧シリン
ダを組み込み、該開閉支援用油圧シリンダ内のピ
ストンを、前記ピストンロツドに固定し、且つ開
閉支援用油圧シリンダのインレツトバルブ本体側
に、給油管と排油管を接続し、上記給油管には前
記円板の開度に基づく信号により開閉する電磁弁
を、又、上記排油管には吐出圧力により開閉する
電磁弁をそれぞれ設け、上記給油管を圧縮機の軸
受潤滑装置に接続してなることを特徴とするスク
リユー圧縮機の吸入容量調整装置。 A cylinder and a blowdown valve part are provided on both sides of the inlet valve body, which is rotatably attached with a disc that opens and closes the pipe in the part where the air flow direction is the straight direction, and one end is fixed to the piston in the cylinder. By connecting the central axis of rotation of the disc to the piston rod and attaching a blow valve plate to the other end, the air circuit is switched to the piston head side or the rod side of the cylinder depending on the discharge pressure value, so that the circular In a suction capacity adjustment device for a screw compressor in which a plate is opened and closed, a hydraulic cylinder for opening/closing support is installed between the inlet valve body and the blowdown valve part, and a piston in the hydraulic cylinder for opening/closing support is installed. is fixed to the piston rod, and an oil supply pipe and an oil drain pipe are connected to the inlet valve body side of the opening/closing support hydraulic cylinder, and the oil supply pipe has a solenoid valve that opens and closes based on a signal based on the opening degree of the disc. and a suction capacity adjusting device for a screw compressor, characterized in that each of the oil drain pipes is provided with a solenoid valve that opens and closes according to the discharge pressure, and the oil supply pipe is connected to a bearing lubricating device of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572686U JPS6331279U (en) | 1986-08-18 | 1986-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572686U JPS6331279U (en) | 1986-08-18 | 1986-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331279U true JPS6331279U (en) | 1988-02-29 |
Family
ID=31018879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12572686U Pending JPS6331279U (en) | 1986-08-18 | 1986-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198057A (en) * | 1993-12-29 | 1995-08-01 | Kyowa Kogyo Kk | Gate valve device |
-
1986
- 1986-08-18 JP JP12572686U patent/JPS6331279U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198057A (en) * | 1993-12-29 | 1995-08-01 | Kyowa Kogyo Kk | Gate valve device |
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