JPS6428909U - - Google Patents
Info
- Publication number
- JPS6428909U JPS6428909U JP12501887U JP12501887U JPS6428909U JP S6428909 U JPS6428909 U JP S6428909U JP 12501887 U JP12501887 U JP 12501887U JP 12501887 U JP12501887 U JP 12501887U JP S6428909 U JPS6428909 U JP S6428909U
- Authority
- JP
- Japan
- Prior art keywords
- filter element
- filter
- lid
- oil
- relief valve
- 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
- 239000003921 oil Substances 0.000 claims 3
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図ないし第３図は本考案の実施例を示し、
第１図はオイルフイルタの縦断面図、第２図はフ
イルタエレメントの濾過状態が正常である場合の
目詰り表示片の状態を示すフイルタエレメントの
要部拡大図、第３図はフイルタエレメントが目詰
り状態になつた場合の目詰り表示片の表示状態を
示すフイルタエレメントの要部拡大図、第４図は
従来技術によるオイルフイルタの縦断面図である
。
８……フイルタエレメント、１０……リリーフ
弁、１４……弁体部、２１……フイルタケース、
２２……蓋体、２５……永久磁石、２６……カツ
プ、２８……目詰り表示部材。
1 to 3 show embodiments of the present invention,
Figure 1 is a longitudinal sectional view of the oil filter, Figure 2 is an enlarged view of the main part of the filter element showing the state of the clogging indicator when the filter element is in a normal filtration state, and Figure 3 is an enlarged view of the main part of the filter element. FIG. 4 is an enlarged view of the main part of the filter element showing the display state of the clogging indicator piece when the oil filter becomes clogged. FIG. 4 is a vertical sectional view of the oil filter according to the prior art. 8... Filter element, 10... Relief valve, 14... Valve body portion, 21... Filter case,
22... Lid body, 25... Permanent magnet, 26... Cup, 28... Clogging indicator member.
Claims (1)
口及び油流出口がそれぞれ形成されたフイルタケ
ースと、該フイルタケース内に配設されたフイル
タエレメントと、前記蓋体と対向して該フイルタ
エレント側に設けられ、該フイルタエレメントが
目詰りしたときに弁体部が該フイルタエレメント
内へと変位し、前記リターン口側の作動油を前記
油流出口側に流出させるリリーフ弁とからなるオ
イルフイルタにおいて、前記リリーフ弁の弁体部
には前記フイルタケースの蓋体との間に位置して
永久磁石を設け、前記蓋体には非磁性材からなり
、外部から内部が目視可能なカツプを該蓋体と一
体又は別体に設け、該カツプ内には前記永久磁石
が前記リリーフ弁の弁体部と共に変位したときに
前記フイルタエレメントの目詰りを表示する目詰
り表示部材を配設したことを特徴とするオイルフ
イルタ。 A filter case consisting of a bottomed case body and a lid body, each having a return port and an oil outflow port, a filter element disposed inside the filter case, and a filter element arranged opposite to the lid body. and a relief valve provided on the side of the filter element, the valve body of which is displaced into the filter element when the filter element becomes clogged, and causes the hydraulic oil on the return port side to flow out to the oil outlet side. A permanent magnet is provided in the valve body of the relief valve and located between the lid of the filter case, and the lid includes a cup made of a non-magnetic material and whose inside is visible from the outside. A clogging display member is disposed integrally with or separately from the lid, and disposed within the cup to indicate clogging of the filter element when the permanent magnet is displaced together with the valve body of the relief valve. Features an oil filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12501887U JPS6428909U (en) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12501887U JPS6428909U (en) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428909U true JPS6428909U (en) | 1989-02-21 |
Family
ID=31375251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12501887U Pending JPS6428909U (en) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428909U (en) |
-
1987
- 1987-08-17 JP JP12501887U patent/JPS6428909U/ja active Pending