JPS6153581U - - Google Patents
Info
- Publication number
- JPS6153581U JPS6153581U JP13762984U JP13762984U JPS6153581U JP S6153581 U JPS6153581 U JP S6153581U JP 13762984 U JP13762984 U JP 13762984U JP 13762984 U JP13762984 U JP 13762984U JP S6153581 U JPS6153581 U JP S6153581U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- compressor
- air
- compressed air
- oil
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Description
第１図はこの考案にかかる給油式圧縮機の制御
装置の一実施例を示すブロツク図、第２図および
第３図はそれぞれ第１図に示した実施例による圧
力制御態様の一例を示す線図、第４図は従来の同
制御装置の一例を示すブロツク図、第５図は従来
の制御装置による圧力制御態様例を示す線図であ
る。
１０…圧縮機、１１…吸入弁、１２…吸入フイ
ルタ、１３…オイルサンプ、１４…調圧弁、２１
，３１，３３…圧力開閉器、２２，３２…三方口
電磁弁、２３，３４，３５…逃気電磁弁、２４，
３６…オリフイス、２５…放風サイレンサ。
FIG. 1 is a block diagram showing an embodiment of a control device for a lubricated compressor according to this invention, and FIGS. 2 and 3 are lines showing an example of pressure control mode according to the embodiment shown in FIG. 1, respectively. 4 are block diagrams showing an example of the conventional control device, and FIG. 5 is a diagram showing an example of a pressure control mode by the conventional control device. 10... Compressor, 11... Suction valve, 12... Suction filter, 13... Oil sump, 14... Pressure regulating valve, 21
, 31, 33... Pressure switch, 22, 32... Three-way solenoid valve, 23, 34, 35... Relief solenoid valve, 24,
36... Orifice, 25... Air discharge silencer.
Claims (1)
力に基づいて負荷の有無を検出し、無負荷となつ
たとき、圧縮機の空気吸入を抑制するとともに、
逃気路に配される第１の電磁弁を開いて前記圧縮
空気を放風する給油式圧縮機の制御装置において
、前記逃気路に前記第１の電磁弁と並列に配され
る１乃至複数の第２の電磁弁と、前記放風される
圧縮空気の吐出圧力に基づき、これら第１および
第２の電磁弁の開閉態様を制御する制御手段とを
設け、前記圧縮空気を逃気量の異なる少なくとも
２段階のステツプをもつて放風するようにしたこ
とを特徴とする給油式圧縮機の制御装置。 The presence or absence of a load is detected based on the pressure of the compressed air output through the oil sump, and when there is no load, the air suction of the compressor is suppressed, and
In a control device for an oil-fed compressor that opens a first solenoid valve disposed in an air escape passage to discharge the compressed air, the control device includes: A plurality of second solenoid valves and a control means for controlling the opening/closing mode of the first and second solenoid valves based on the discharge pressure of the compressed air to be blown out are provided, 1. A control device for an oil-filled compressor, characterized in that air is discharged in at least two different steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13762984U JPH0137191Y2 (en) | 1984-09-11 | 1984-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13762984U JPH0137191Y2 (en) | 1984-09-11 | 1984-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6153581U true JPS6153581U (en) | 1986-04-10 |
| JPH0137191Y2 JPH0137191Y2 (en) | 1989-11-09 |
Family
ID=30696043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13762984U Expired JPH0137191Y2 (en) | 1984-09-11 | 1984-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0137191Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149596A (en) * | 1984-12-21 | 1986-07-08 | Hitachi Ltd | Capacity control device for rotary compressor |
| JP2007205358A (en) * | 2007-03-26 | 2007-08-16 | Hitachi Industrial Equipment Systems Co Ltd | Oilless screw compressor and its operation method |
| JPWO2020213353A1 (en) * | 2019-04-15 | 2020-10-22 |
-
1984
- 1984-09-11 JP JP13762984U patent/JPH0137191Y2/ja not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149596A (en) * | 1984-12-21 | 1986-07-08 | Hitachi Ltd | Capacity control device for rotary compressor |
| JP2007205358A (en) * | 2007-03-26 | 2007-08-16 | Hitachi Industrial Equipment Systems Co Ltd | Oilless screw compressor and its operation method |
| JP4701200B2 (en) * | 2007-03-26 | 2011-06-15 | 株式会社日立産機システム | Oil-free screw compressor and its operating method |
| JPWO2020213353A1 (en) * | 2019-04-15 | 2020-10-22 | ||
| CN113728163A (en) * | 2019-04-15 | 2021-11-30 | 株式会社日立产机系统 | Gas compressor |
| CN113728163B (en) * | 2019-04-15 | 2023-09-15 | 株式会社日立产机系统 | gas compressor |
| US11994138B2 (en) | 2019-04-15 | 2024-05-28 | Hitachi Industrial Equipment Systems Co., Ltd. | Gas compressor with a plurality of air realease systems each having an air release valve and an air regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0137191Y2 (en) | 1989-11-09 |
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