JPH0169992U - - Google Patents
Info
- Publication number
- JPH0169992U JPH0169992U JP1987165199U JP16519987U JPH0169992U JP H0169992 U JPH0169992 U JP H0169992U JP 1987165199 U JP1987165199 U JP 1987165199U JP 16519987 U JP16519987 U JP 16519987U JP H0169992 U JPH0169992 U JP H0169992U
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- hydraulic equipment
- pipe line
- tank
- registration request
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Pipe Accessories (AREA)
- Pipeline Systems (AREA)
Description
第１図は本考案に係る低圧サージ防止回路の一
実施例を示す回路図、第２図は弁切換時間間隔と
サージ圧力との関係を示す図である。
２……切換弁、３……タンク、４……第１の管
路、５……第２の管路、６……第３の管路、７…
…第４の管路、８……第１のチエツク弁、９……
第５の管路、１０……第６の管路、１１……第２
のチエツク弁。
FIG. 1 is a circuit diagram showing an embodiment of the low pressure surge prevention circuit according to the present invention, and FIG. 2 is a diagram showing the relationship between valve switching time interval and surge pressure. 2...Switching valve, 3...Tank, 4...First pipe line, 5...Second pipe line, 6...Third pipe line, 7...
...Fourth pipe line, 8...First check valve, 9...
5th pipe line, 10...6th pipe line, 11...2nd pipe line
Check valve.
Claims (1)
て、液圧機器とタンクとを結ぶ管路の途中に、タ
ンク側への流れのみを許容する第１のチエツク弁
を設けると共に、該第１のチエツク弁の上流側と
下流側とを結ぶ管路の途中に液圧機器側への流れ
のみを許容する第２のチエツク弁を設けたことを
特徴とする低圧サージ防止回路。 A circuit used in a hydraulic equipment having a pipe line, in which a first check valve is provided in the middle of the pipe line connecting the hydraulic equipment and a tank, and which allows flow only to the tank side. A low-pressure surge prevention circuit characterized in that a second check valve is provided in the middle of a pipeline connecting the upstream side and the downstream side of the first check valve to allow flow only to the hydraulic equipment side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165199U JPH0169992U (en) | 1987-10-27 | 1987-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165199U JPH0169992U (en) | 1987-10-27 | 1987-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0169992U true JPH0169992U (en) | 1989-05-10 |
Family
ID=31451468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165199U Pending JPH0169992U (en) | 1987-10-27 | 1987-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0169992U (en) |
-
1987
- 1987-10-27 JP JP1987165199U patent/JPH0169992U/ja active Pending
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