JPH0321511U - - Google Patents
Info
- Publication number
- JPH0321511U JPH0321511U JP8148389U JP8148389U JPH0321511U JP H0321511 U JPH0321511 U JP H0321511U JP 8148389 U JP8148389 U JP 8148389U JP 8148389 U JP8148389 U JP 8148389U JP H0321511 U JPH0321511 U JP H0321511U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- safety valve
- side space
- supply side
- receiving surface
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第1図は本考案の一実施例を示す水平断面図、
第2図は従来例を示す水平断面図、第3図は従来
の油圧スイツチを示す縦断側面図である。
1…弁支持体、2…供給側空間部、3…出口側
空間部、4…弁室、5…受圧面、6…通孔、7…
周壁、8…安全弁、11…受圧面、12…接点部
、13…スイツチ弁、16…固定接点、19…安
全弁用スプリング、20…スイツチ弁用スプリン
グ。
FIG. 1 is a horizontal sectional view showing an embodiment of the present invention;
FIG. 2 is a horizontal sectional view showing a conventional example, and FIG. 3 is a vertical sectional side view showing a conventional hydraulic switch. DESCRIPTION OF SYMBOLS 1... Valve support body, 2... Supply side space part, 3... Outlet side space part, 4... Valve chamber, 5... Pressure receiving surface, 6... Through hole, 7...
Peripheral wall, 8...Safety valve, 11...Pressure receiving surface, 12...Contact portion, 13...Switch valve, 16...Fixed contact, 19...Spring for safety valve, 20...Spring for switch valve.
Claims (1)
油路の供給側に連通された供給側空間部と出口側
に連通する出口側空間部とが近接配置されるとと
もに一端が前記供給側空間部に連通され側方が前
記出口側空間部に連通された弁室が形成された弁
支持体と、前記供給側空間部に対向する受圧面と
この受圧面の中央部に開口する通孔と前記出口側
空間部を閉塞する周壁とを有して前記弁室に摺動
自在に嵌合された安全弁と、この安全弁を前記供
給側空間部側に付勢する安全弁用スプリングと、
前記安全弁とは反対側の端部に配置されて前記弁
室に固定された固定接点と、前記安全弁の前記通
孔に対向する受圧面と前記固定接点に対向する接
点部とを有して前記弁室に摺動自在に設けられた
スイツチ弁と、前記安全弁用スプリングの圧力よ
り弱い圧力に設定されて前記スイツチ弁を前記安
全弁側に付勢するスイツチ弁用スプリングとより
なることを特徴とするフイルタ目詰まり検出装置
。 An oil passage provided with a filter element, a supply side space communicating with the supply side of the oil passage, and an outlet side space communicating with the outlet side are arranged close to each other, and one end communicates with the supply side space. a valve support in which a valve chamber is formed and the side thereof communicates with the outlet side space, a pressure receiving surface facing the supply side space, a through hole opening in the center of this pressure receiving surface, and the outlet side. a safety valve that has a peripheral wall that closes a space and is slidably fitted into the valve chamber; a safety valve spring that urges the safety valve toward the supply side space;
a fixed contact disposed at an end opposite to the safety valve and fixed to the valve chamber; a pressure receiving surface facing the through hole of the safety valve; and a contact portion facing the fixed contact; It is characterized by comprising a switch valve slidably provided in a valve chamber, and a switch valve spring that is set at a pressure lower than the pressure of the safety valve spring and biases the switch valve toward the safety valve side. Filter clogging detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989081483U JPH0410323Y2 (en) | 1989-07-11 | 1989-07-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989081483U JPH0410323Y2 (en) | 1989-07-11 | 1989-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0321511U true JPH0321511U (en) | 1991-03-04 |
JPH0410323Y2 JPH0410323Y2 (en) | 1992-03-13 |
Family
ID=31627469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989081483U Expired JPH0410323Y2 (en) | 1989-07-11 | 1989-07-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0410323Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5714893U (en) * | 1980-06-20 | 1982-01-26 | ||
JPS6335933U (en) * | 1986-08-27 | 1988-03-08 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58111737A (en) * | 1981-12-25 | 1983-07-02 | Agency Of Ind Science & Technol | Fixing device for vehicle in vehicle tester |
-
1989
- 1989-07-11 JP JP1989081483U patent/JPH0410323Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5714893U (en) * | 1980-06-20 | 1982-01-26 | ||
JPS6335933U (en) * | 1986-08-27 | 1988-03-08 |
Also Published As
Publication number | Publication date |
---|---|
JPH0410323Y2 (en) | 1992-03-13 |