JPH01146050U - - Google Patents
Info
- Publication number
- JPH01146050U JPH01146050U JP4333888U JP4333888U JPH01146050U JP H01146050 U JPH01146050 U JP H01146050U JP 4333888 U JP4333888 U JP 4333888U JP 4333888 U JP4333888 U JP 4333888U JP H01146050 U JPH01146050 U JP H01146050U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- control pressure
- pressure
- reducing valve
- drain port
- 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
- 230000007935 neutral effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
- Control Of Fluid Pressure (AREA)
Description
第１図は本考案の一実施例を示す減圧弁の断面
図、第２図は本考案の減圧弁で得られる制御圧の
特性図、第３図は従来の減圧弁を示す断面図、第
４図は従来の減圧弁で得られる制御圧の特性図で
ある。
１０……プレツシヤーモデイフアイヤ弁（減圧
弁）、１４……バルブボデイー、１６……スプー
ル（移動子）、３８……フリーピストン、４０…
…第１室、４２……第２室、４６……ドレン口、
４８……チヨーク絞り（絞り部）。
Fig. 1 is a sectional view of a pressure reducing valve showing an embodiment of the present invention, Fig. 2 is a characteristic diagram of the control pressure obtained by the pressure reducing valve of the present invention, and Fig. 3 is a sectional view showing a conventional pressure reducing valve. FIG. 4 is a characteristic diagram of control pressure obtained with a conventional pressure reducing valve. 10... Pressure modifier valve (pressure reducing valve), 14... Valve body, 16... Spool (mover), 38... Free piston, 40...
...First chamber, 42...Second chamber, 46...Drain port,
48...Chiyoke aperture (aperture part).
Claims (1)
圧の調圧が行われる減圧弁において、 上記移動子内に、上記制御圧が絞り部を介して
導入される第１室と、上記制御圧が直接に導入さ
れる第２室とを設け、これら第１室と第２室とを
これら両室の圧力均衡時に中立保持されるフリー
ピストンで隔成すると共に、上記移動子に第１室
および第２室と連通可能なドレン口を設け、該ド
レン口を中立位置にある該フリーピストンで閉止
したことを特徴とする減圧弁。[Claims for Utility Model Registration] In a pressure reducing valve in which control pressure is regulated through a movable element that is moved in response to signal pressure, the control pressure is introduced into the movable element through a constriction part. a first chamber into which the control pressure is directly introduced, and a second chamber into which the control pressure is directly introduced; the first chamber and the second chamber are separated by a free piston that is maintained neutral when the pressures in both chambers are balanced; . A pressure reducing valve, characterized in that the mover is provided with a drain port that can communicate with the first chamber and the second chamber, and the drain port is closed by the free piston in a neutral position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4333888U JPH01146050U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4333888U JPH01146050U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146050U true JPH01146050U (en) | 1989-10-06 |
Family
ID=31269737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4333888U Pending JPH01146050U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146050U (en) |
-
1988
- 1988-03-31 JP JP4333888U patent/JPH01146050U/ja active Pending