JPH0352081Y2 - - Google Patents
Info
- Publication number
- JPH0352081Y2 JPH0352081Y2 JP18296084U JP18296084U JPH0352081Y2 JP H0352081 Y2 JPH0352081 Y2 JP H0352081Y2 JP 18296084 U JP18296084 U JP 18296084U JP 18296084 U JP18296084 U JP 18296084U JP H0352081 Y2 JPH0352081 Y2 JP H0352081Y2
- Authority
- JP
- Japan
- Prior art keywords
- container
- fuel
- insulating layer
- water
- fuel filter
- 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.)
- Expired
Links
- 239000000446 fuel Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Description
【考案の詳細な説明】
本考案は、燃料フイルタ特にデイーゼルエンジ
ンに使用される水検知部を備えた燃料フイルタに
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fuel filter, particularly a fuel filter equipped with a water detection part used in a diesel engine.
デイーゼルエンジンの燃料系は、インジエクシ
ヨンポンプやプランジヤ等の各摺動部がきわめて
精密に仕上げられているので、燃料中のごく僅か
な塵埃や水分が混入していても、上記摺動部の摩
耗や錆の発生で機能を減退し、寿命を短縮するこ
とになる。そのため燃料フイルタは過および水
分排除に対し種々対策がなされている。 In the fuel system of a diesel engine, the sliding parts such as the injection pump and plunger are finished with extremely high precision, so even if there is a small amount of dust or moisture in the fuel, the sliding parts Abrasion and rust will reduce functionality and shorten the lifespan. For this reason, various measures have been taken for fuel filters to prevent excess and moisture removal.
第２図は従来のデイーゼルエンジン用の燃料フ
イルタＦの説明用概略図である。燃料は矢印で示
すように蓋体Ａの中央から入り例えば紙を折曲
げ芯管Ｐに巻層し、上、下が袋状を形成して、孔
明き端板Ｔとともに凹部Ｕと容器Ｃに固着された
過部Ｅを通過するようになつている。そして浄
化された燃料は外側矢印のように前記摺動部に送
り込まれる。 FIG. 2 is a schematic diagram for explaining a conventional fuel filter F for a diesel engine. The fuel enters from the center of the lid A as shown by the arrow, for example, by folding paper and wrapping it around the core tube P, forming a bag shape at the top and bottom, and filling the recess U and container C with the perforated end plate T. It is designed to pass through a fixed upper part E. The purified fuel is then sent to the sliding portion as indicated by the outward arrow.
過部Ｅは塵埃捕捉と水分の反発の作用をする
ので、水と燃料の比重差と併せ水分は燃料フイル
タＦの底部に分離して滞留する。容器Ｃは金属製
なので、図に示すように、あらかじめｈの高さま
で絶縁層Ｂが施こされており、滞留水をできるだ
け高い位置で検知するため、（＋）電極のセンサ
Ｓが前記絶層Ｂより上部のh1に設置されている。
〔容器Ｃ等が（−）電極〕そして滞留水が絶縁層
Ｂの高さｈまではセンサＳと容器Ｃ間には通電作
用ないが、滞留水がさらに増して水面がh2以上に
なるとセンサＳと容器Ｃは水を介して導通し、図
示配線内のデイテクタＤの作用で警告が発せら
れ、図示しない排水装置により水分は排出され
る。 Since the filter section E functions to trap dust and repel moisture, the moisture is separated and remains at the bottom of the fuel filter F, along with the difference in specific gravity between water and fuel. Since the container C is made of metal, an insulating layer B is applied in advance to a height h as shown in the figure, and in order to detect the accumulated water at a position as high as possible, the sensor S of the (+) electrode It is installed in h1 above B.
[Container C, etc. is the (-) electrode] And there is no current conduction between the sensor S and the container C until the accumulated water reaches the height h of the insulating layer B, but if the accumulated water increases further and the water surface reaches h 2 or more, the sensor S and container C are electrically connected through water, a warning is issued by the action of detector D in the wiring shown, and water is drained by a drainage device (not shown).
しかしながらこの燃料フイルタＦは、センサＳ
の高さh1が絶縁層Ｂの高さｈより上部にあるた
め、特に絶縁層Ｂの高さｈの上部側近の金属部は
水に接触している時間が長く、腐蝕作用で貫通孔
ができ燃料洩れに至るという欠点を有する。 However, this fuel filter F is
Since the height h1 of the insulating layer B is higher than the height h of the insulating layer B, the metal parts near the upper part of the insulating layer B are in contact with water for a long time, and a through hole is formed due to corrosion. This has the disadvantage of causing fuel leakage.
本考案は上記欠点を解消するためのもので、孔
明き端板に固設して下方に垂設する導通体の下端
面が、絶縁層の高さより低位置になるようにした
ものであり、以下その実施例を第１図により説明
する。 The present invention is intended to solve the above-mentioned drawbacks, and the lower end surface of the conductor, which is fixed to the perforated end plate and hangs downward, is located at a lower level than the height of the insulating layer. An example of this will be explained below with reference to FIG.
本考案の燃料フイルタ２０は、側壁部２の中間
位置に全周または数個の凹部３を設けたコツプ状
金属製の容器１の開口部４と、中央に取付用雌ね
じ５を螺設した流入口６およびその外周に複数個
の流出口７を穿設した鉄板製の蓋体８の外周とを
液密に固着し、その内部には、例えば紙を折曲
げ上、下を交互に袋状に形成した過体９を芯管
１０に巻層または交互に開閉路を設けたハニカム
状の過体９を芯管１０に巻層し、その下方に通
路１１を穿孔した鉄板製の孔明き端板１２を接着
してなる過部１３を、前記凹部３と蓋体８間に
固着すなわち前記芯管１０は、取付用雌ねじ５の
外壁１４に挿嵌され、孔明き端板１２の外周を凹
部３に圧接するとともに過部１３の上部は容器
１の上方の接着部１５で固着されている。 The fuel filter 20 of the present invention has an opening 4 of a pot-shaped metal container 1 which has recesses 3 around the entire circumference or several recesses 3 at an intermediate position of the side wall 2, and a fuel filter 20 which has an opening 4 of a container 1 made of a pot-shaped metal and has a female mounting screw 5 screwed in the center. The inlet 6 and the outer periphery of a lid 8 made of iron plate with a plurality of outlet ports 7 perforated on its outer periphery are fixed liquid-tightly, and inside the inlet 6, for example, paper is folded and the top and bottom are alternately placed in a bag shape. A perforated end made of an iron plate, in which a honeycomb-shaped overbody 9 formed in the following manner is wound around a core tube 10, or a honeycomb-shaped overbody 9 with alternating opening and closing passages is wound around a core tube 10, and a passage 11 is perforated below the overbody 9. A cover 13 formed by bonding the plate 12 is fixed between the recess 3 and the lid 8, that is, the core tube 10 is inserted into the outer wall 14 of the female mounting thread 5, and the outer periphery of the perforated end plate 12 is inserted into the recess. 3 and the upper part of the cover part 13 is fixed by an adhesive part 15 above the container 1.
さらに容器１内側の底部１６と凹部３との間に
は本考案の水検知部２５が構成されている。具体
的には第１図に示すように、容器１の内側の底部
１６と凹部３間には例えば樹脂コーテイングによ
る適当な厚さの絶縁層１７が設けられ、本例では
小孔１８が多数穿孔した通電性の導通体１９が前
記孔明き端板１２の内側に固設され、且つ導通体
１９は下方に向つて垂設し、その下端面２１は絶
縁層１７の高さＨより低位置H2になるよう設定
されている。そして底部１６の中央には絶縁材２
２を液密に貫通し容器１内にセンサ２３突出させ
た（＋）側の電極部２４が設けられている。なお
（−）の電極部２６は容器１または蓋体８に接続
されており、さらに蓋体８の上方外周には図示し
ない燃料の入口を有する雄ねじ付きのハウジング
に押圧されるパツキン２７が設けられている。 Further, a water detection section 25 of the present invention is configured between the bottom 16 and the recess 3 inside the container 1. Specifically, as shown in FIG. 1, an insulating layer 17 of an appropriate thickness made of, for example, resin coating is provided between the inner bottom 16 of the container 1 and the recess 3, and in this example, a large number of small holes 18 are formed. A conductive conductive body 19 is fixed inside the perforated end plate 12, and the conductive body 19 is vertically disposed downward, and its lower end surface 21 is located at a position H lower than the height H of the insulating layer 17. It is set to be 2 . And in the center of the bottom part 16 is an insulating material 2.
A (+) side electrode portion 24 is provided which penetrates the container 2 in a liquid-tight manner and causes the sensor 23 to protrude into the container 1 . The (-) electrode part 26 is connected to the container 1 or the lid 8, and a gasket 27 is provided on the upper outer periphery of the lid 8 to be pressed against a male-threaded housing having a fuel inlet (not shown). ing.
次に上記構成の燃料フイルタ２０の作用につい
て説明する。 Next, the operation of the fuel filter 20 having the above configuration will be explained.
図示しない燃料入口を有する雄ねじ取付ボルト
に締着した燃料フイルタ２０の燃料の流通は、従
来品とほぼ同じで流入口６から流入した燃料は、
芯管１０を通り導通体１９の小孔１８または下端
面２１から孔明き端板１２の通路１１を経て、
過体９で燃料中の塵埃が捕捉され、清浄な燃料の
みが流出口７より図示しない噴射ポンプ等へ送り
込まれる。その際燃料中の水分は、燃料との比重
差、過体９の水分の反発作用で容器１の下方に
滞留する。その水面の高さが導通体１９の下端面
２１より低いときは、絶縁層１７により（＋）の
電極部２４のセンサ２３と、容器１または蓋体８
に接続する（−）側の電極部２６間は導通しな
い。そして滞留水面が高くなり水面高さH2の位
置すなわち導通体１９の下端面２１に達すると、
センサ２３と導通体１９は水を介して通電し、導
通体１９、孔明き端板１２、容器１を経て通電回
路が成立し従来品と同じくデイテクタＤの作用
で、例えば警告灯等により水位が規定位置になつ
たことを報知し排水作用が行われる。 The flow of fuel through the fuel filter 20, which is fastened to a male threaded mounting bolt with a fuel inlet (not shown), is almost the same as in conventional products, and the fuel that flows in from the inlet 6 is
Passing through the core tube 10 from the small hole 18 or lower end surface 21 of the conductor 19 through the passage 11 of the perforated end plate 12,
Dust in the fuel is captured by the overbody 9, and only clean fuel is sent from the outlet 7 to an injection pump or the like (not shown). At this time, water in the fuel stays below the container 1 due to the difference in specific gravity with the fuel and the repulsion of the water in the overbody 9. When the height of the water surface is lower than the lower end surface 21 of the conductor 19, the insulating layer 17 connects the sensor 23 of the (+) electrode part 24 and the container 1 or the lid 8.
There is no conduction between the (-) side electrode portions 26 connected to the (-) side. Then, when the accumulated water level rises and reaches the water level height H2 , that is, the lower end surface 21 of the conductor 19,
The sensor 23 and the conductor 19 are energized through water, and a current-carrying circuit is established through the conductor 19, the perforated end plate 12, and the container 1. As with the conventional product, the water level is controlled by the action of the detector D, e.g., by a warning light. It notifies you that it has reached the specified position and drains water.
上述の如く本考案は導通体の下端面が、絶縁層
の高さより低位置になるようにしたので、水面の
高さが絶縁層の高さを超える前に水検知が行われ
て排水されるので、絶縁層高さ側近の金属製容器
の内側が水に接触することがなく腐蝕に関する従
来品の欠点は完全に解消され長期使用に耐えるこ
とができる。そしてさらにセンサの高さ（H1）
を任意に低くできるという効果も有する。 As mentioned above, in the present invention, the lower end surface of the conductor is positioned lower than the height of the insulating layer, so water is detected and drained before the water surface height exceeds the height of the insulating layer. Therefore, the inside of the metal container near the height of the insulating layer does not come into contact with water, and the drawbacks of conventional products regarding corrosion are completely eliminated, making it possible to withstand long-term use. And further the height of the sensor (H 1 )
It also has the effect of being able to lower it arbitrarily.
第１図は本考案の説明用縦断面図、第２図は従
来品の説明用概略縦断面図。
１……容器、２……側壁部、３……凹部、１２
……孔明き端板、１３……過部、１７……絶縁
層、１９……導通体、２０……燃料フイルタ、２
１……下端面、２５……水検知部。
FIG. 1 is an explanatory longitudinal sectional view of the present invention, and FIG. 2 is an explanatory schematic longitudinal sectional view of a conventional product. DESCRIPTION OF SYMBOLS 1... Container, 2... Side wall part, 3... Recessed part, 12
... Perforated end plate, 13 ... Cap part, 17 ... Insulating layer, 19 ... Conductor, 20 ... Fuel filter, 2
1... lower end surface, 25... water detection section.
Claims (1)
流出口を有する金属製の蓋体を固着し、その内部
に過体を有する過部を設けた燃料フイルタに
おいて、前記容器に導通する導通体を過部に垂
設し、容器の底部には上端にセンサを配設した電
極部を設け、かつ容器内面の底部と側壁とに絶縁
層を設けるとともに絶縁層の上端を過部下端よ
り低く、導通体下端より高い位置としたことを特
徴とする、水検知部を備えた燃料フイルタ。 In a fuel filter, a metal lid having an inlet and an outlet is fixed to the opening of a pot-shaped metal container, and a conductor that conducts to the container is provided in the fuel filter. An electrode section is provided on the bottom of the container with a sensor arranged on the upper end, and an insulating layer is provided on the bottom and side walls of the inner surface of the container, and the upper end of the insulating layer is lower than the lower end of the container to ensure conduction. A fuel filter equipped with a water detection part, which is located higher than the lower end of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18296084U JPH0352081Y2 (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18296084U JPH0352081Y2 (en) | 1984-11-30 | 1984-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6198504U JPS6198504U (en) | 1986-06-24 |
| JPH0352081Y2 true JPH0352081Y2 (en) | 1991-11-11 |
Family
ID=30740482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18296084U Expired JPH0352081Y2 (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352081Y2 (en) |
-
1984
- 1984-11-30 JP JP18296084U patent/JPH0352081Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6198504U (en) | 1986-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6454719B2 (en) | Filter cartridge and filter group including a water sensor secured to the filter core | |
| CA2047878A1 (en) | Water-filtration apparatus | |
| JPS61223641A (en) | Device for detecting moisture in fuel | |
| EP0883431A1 (en) | Filter housing and element therefor | |
| JP6517192B2 (en) | Filter group equipped with detector for presence of water in diesel fuel | |
| JPH0352081Y2 (en) | ||
| CN112844832B (en) | Linear gap type oil return oil filter convenient for cleaning filter screen | |
| JPH0750830Y2 (en) | Drainage structure of junction box | |
| JPS6254273U (en) | ||
| JPH0217607Y2 (en) | ||
| JPS607934Y2 (en) | Oil extraction device for on-vehicle fuel tanks | |
| JPS61141539U (en) | ||
| JPS6221290Y2 (en) | ||
| JPS6023504Y2 (en) | fuel filtration device | |
| JPS6160660B2 (en) | ||
| CN115539263B (en) | Diesel oil filter | |
| CN212300533U (en) | Engine oil liquid level monitoring alarm device | |
| CN216872302U (en) | Electric signal transmission structure for fuel filter | |
| JPH086140Y2 (en) | Floor drainage | |
| JPH0484471U (en) | ||
| JPS64466Y2 (en) | ||
| JPH0326886Y2 (en) | ||
| JPH0320541Y2 (en) | ||
| KR900000122Y1 (en) | Engine oil filter medium | |
| JPH0425205Y2 (en) |