JPH024165U - - Google Patents
Info
- Publication number
- JPH024165U JPH024165U JP8081988U JP8081988U JPH024165U JP H024165 U JPH024165 U JP H024165U JP 8081988 U JP8081988 U JP 8081988U JP 8081988 U JP8081988 U JP 8081988U JP H024165 U JPH024165 U JP H024165U
- Authority
- JP
- Japan
- Prior art keywords
- booster
- cylinder
- piston
- check valve
- valve
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案の一実施例によるスクリユ
ー冷凍機の系統図、第２図は従来のスクリユー冷
凍機の系統図である。
図において、１はスクリユー圧縮機、２はスラ
イド弁、３はピストン、４はシリンダー、１１は
油溜、１２は油、１６は第１の逆止弁、１７は第
２の逆止弁、１８はブースタシリンダー、１９は
ブースターピストン、２０は三方電磁弁、２１は
弾性部材である。なお、図中、同一符号は同一ま
たは相当部分を示す。
FIG. 1 is a system diagram of a screw refrigerator according to an embodiment of this invention, and FIG. 2 is a system diagram of a conventional screw refrigerator. In the figure, 1 is a screw compressor, 2 is a slide valve, 3 is a piston, 4 is a cylinder, 11 is an oil reservoir, 12 is oil, 16 is a first check valve, 17 is a second check valve, 18 19 is a booster cylinder, 19 is a booster piston, 20 is a three-way solenoid valve, and 21 is an elastic member. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
できるスライド弁とピストンを有し、油溜の油を
シリンダーへ送付するスクリユー冷凍機において
、上記油溜の下流に第１の逆止弁を設けるととも
に、この第１の逆止弁の下流で上記シリンダーの
上流に第２の逆止弁を設け、上記第１の逆止弁の
下流には、さらにブースタシリンダを配備し、こ
のブースタシリンダーの内部にはブースタピスト
ンおよび弾性部材を配設し、さらに上記ブースタ
シリンダーの下流に三方電磁弁を配備して、上記
スライド弁を駆動するピストンの作動油圧を凝縮
圧力のガスで駆動するブースターピストンとブー
スターシリンダーで生成するようにしたことを特
徴とするスクリユー冷凍機。 In a screw compressor that has a slide valve and a piston that can be moved steplessly at any position of the screw compressor and sends oil from an oil sump to a cylinder, a first check valve is provided downstream of the oil sump. , a second check valve is provided downstream of the first check valve and upstream of the cylinder, a booster cylinder is further provided downstream of the first check valve, and a booster cylinder is provided inside the booster cylinder. is equipped with a booster piston and an elastic member, and a three-way solenoid valve downstream of the booster cylinder, so that the booster piston and booster cylinder drive the hydraulic pressure of the piston that drives the slide valve using condensed pressure gas. A screw refrigerating machine characterized by being configured to generate
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8081988U JPH024165U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8081988U JPH024165U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024165U true JPH024165U (en) | 1990-01-11 |
Family
ID=31305634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8081988U Pending JPH024165U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH024165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62202701U (en) * | 1986-06-16 | 1987-12-24 |
-
1988
- 1988-06-17 JP JP8081988U patent/JPH024165U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62202701U (en) * | 1986-06-16 | 1987-12-24 |
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