JPH0224171U - - Google Patents
Info
- Publication number
- JPH0224171U JPH0224171U JP10055288U JP10055288U JPH0224171U JP H0224171 U JPH0224171 U JP H0224171U JP 10055288 U JP10055288 U JP 10055288U JP 10055288 U JP10055288 U JP 10055288U JP H0224171 U JPH0224171 U JP H0224171U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder hole
- peripheral wall
- valve body
- hydraulic
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
Landscapes
- Safety Valves (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案の一実施例を示す第３図の―
線に沿う断面図、第２図は第１図の―線に
沿うリリーフバルブ全体の断面図、第３図は本考
案の一実施例の軸心方向と直交する方向に断面し
て示す縦断面図、第４図は本考案の異なる例を示
す断面図、第５図は従来のリリーフバルブを示す
断面図である。
４……吐出室、３……吸入室、１０，１０Ａ…
…バイパス通路、２０……リリーフバルブ、２１
……シリンダ孔、２２……インレツトポート、２
３，２３Ａ……アウトレツトポート、２９，２９
Ａ……凹部。
Figure 1 shows an embodiment of the present invention as shown in Figure 3.
2 is a cross-sectional view of the entire relief valve taken along the line - in FIG. 1, and FIG. 3 is a longitudinal cross-section of one embodiment of the present invention taken in a direction perpendicular to the axial direction. 4 are sectional views showing different examples of the present invention, and FIG. 5 is a sectional view showing a conventional relief valve. 4...Discharge chamber, 3...Suction chamber, 10, 10A...
...Bypass passage, 20...Relief valve, 21
...Cylinder hole, 22 ...Inlet port, 2
3,23A……Outlet port, 29,29
A... Concavity.
Claims (1)
納した弁体の頭部に作用させ、この油圧が所要の
設定値に達すると、弁体が移動してシリンダ孔の
周壁に設けたアウトレツトポートを開口し、作動
油を戻り側に逃がす構造のリリーフバルブにおい
て、シリンダ孔の周壁のアウトレツトポート近傍
に凹部を設けたことを特徴とするリリーフバルブ
。 Hydraulic pressure in the hydraulic circuit is applied to the head of a valve body that is slidably housed in the cylinder hole, and when this oil pressure reaches a desired set value, the valve body moves and releases the outlet provided on the peripheral wall of the cylinder hole. A relief valve having a structure in which a port is opened and hydraulic oil is released to a return side, characterized in that a recess is provided in the vicinity of the outlet port on the peripheral wall of a cylinder hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055288U JPH0224171U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055288U JPH0224171U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224171U true JPH0224171U (en) | 1990-02-16 |
Family
ID=31328731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10055288U Pending JPH0224171U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184523A (en) * | 2001-12-14 | 2003-07-03 | Honda Motor Co Ltd | Oil pump structure |
-
1988
- 1988-07-28 JP JP10055288U patent/JPH0224171U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184523A (en) * | 2001-12-14 | 2003-07-03 | Honda Motor Co Ltd | Oil pump structure |