JPH0436176U - - Google Patents
Info
- Publication number
- JPH0436176U JPH0436176U JP7890290U JP7890290U JPH0436176U JP H0436176 U JPH0436176 U JP H0436176U JP 7890290 U JP7890290 U JP 7890290U JP 7890290 U JP7890290 U JP 7890290U JP H0436176 U JPH0436176 U JP H0436176U
- Authority
- JP
- Japan
- Prior art keywords
- pressure port
- low pressure
- surface facing
- valve member
- high pressure
- 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
- 239000012530 fluid Substances 0.000 claims description 2
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図はリリーフ弁の縦断面図、第２図は弁部
材の側面図、第３図はその平面図、第４図は従来
例を示すリリーフ弁の縦断面図である。
１……ポンプハウジング、１１……シリンダ空
間、１２……高圧ポート、１３……低圧ポート、
２……弁部材、２ａ……背圧室、２１，２２……
溝（流体流通路）、３……コイルバネ、４……栓
部材。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of a relief valve, FIG. 2 is a side view of the valve member, FIG. 3 is a plan view thereof, and FIG. 4 is a longitudinal sectional view of the relief valve. FIG. 2 is a vertical cross-sectional view of a relief valve showing a conventional example. 1...Pump housing, 11...Cylinder space, 12...High pressure port, 13...Low pressure port,
2... Valve member, 2a... Back pressure chamber, 21, 22...
Groove (fluid flow path), 3... coil spring, 4... plug member.
Claims (1)
められ、前進端位置にて高圧ポートと低圧ポート
間を遮断するとともに、後退位置に応じて上記高
圧ポートと低圧ポート間の開口面積を増大せしめ
る柱状弁部材を有するリリーフ弁において、上記
弁部材には、上記低圧ポートに面するその外周面
と上記背圧室に面する背面とを結ぶ流体流通路を
形成したことを特徴とするリリーフ弁。 A columnar shape that is biased forward by a spring member provided in the back pressure chamber, blocks off the high pressure port and the low pressure port at the forward end position, and increases the opening area between the high pressure port and the low pressure port according to the backward position. A relief valve having a valve member, characterized in that the valve member is formed with a fluid flow path connecting its outer circumferential surface facing the low pressure port and the back surface facing the back pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890290U JPH0436176U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890290U JPH0436176U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436176U true JPH0436176U (en) | 1992-03-26 |
Family
ID=31622585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7890290U Pending JPH0436176U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015075126A (en) * | 2013-10-04 | 2015-04-20 | トヨタ自動車株式会社 | Hydraulic circuit of vehicle power transmission device |
-
1990
- 1990-07-25 JP JP7890290U patent/JPH0436176U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015075126A (en) * | 2013-10-04 | 2015-04-20 | トヨタ自動車株式会社 | Hydraulic circuit of vehicle power transmission device |