JP2007216151A - Oil filtration device - Google Patents

Oil filtration device Download PDF

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JP2007216151A
JP2007216151A JP2006040018A JP2006040018A JP2007216151A JP 2007216151 A JP2007216151 A JP 2007216151A JP 2006040018 A JP2006040018 A JP 2006040018A JP 2006040018 A JP2006040018 A JP 2006040018A JP 2007216151 A JP2007216151 A JP 2007216151A
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oil
filtration
filter
unit
filtration device
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JP4825537B2 (en
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Takayuki Nakajima
隆行 中島
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Aichi Machine Industry Co Ltd
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Aichi Machine Industry Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Filtration Of Liquid (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an oil filtration device which prevents the generation of cloggings and enhances the filtration efficiency. <P>SOLUTION: The oil filtration device is provided with an oil inflow port 6 through which oil flows in, a filter 13 to filtrate the foreign matter in oil which flows in and an oil effluent port 7 to discharge the filtrated oil. The oil filtration device is constituted so that the filtration surface is always exchanged because the inflow oil from the inflow port 6 facing the inflow port 6 is hit to the filtration surface of the filter 13 and the filter 13 is rotated by the stream of the oil. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、オイル濾過装置に関するものである。   The present invention relates to an oil filtration device.

従来、この種のオイル濾過装置としては、車両用自動変速機を油圧制御するバルブボディへ供給されるオイル中に混在する異物を除去するものが提案されている。この装置では、異物を濾過するスクリーンを二重構造とすることで、広い通油面積を確保して通油抵抗を小さく抑えながらも異物の捕捉性能を向上するものとしている。
実公平０４−１７２０４号公報 2. Description of the Related Art Conventionally, as this type of oil filtration device, a device that removes foreign matters mixed in oil supplied to a valve body that hydraulically controls a vehicular automatic transmission has been proposed. In this apparatus, the screen for filtering foreign matter has a double structure, so that a large oil passage area is secured and the oil passage resistance is reduced, while the foreign matter capturing performance is improved.
No. 04-17204

しかしながら、こうしたオイル濾過装置では、スクリーンのオイル流れ方向に位置する面に異物が集中して目詰まりを起こしやすく、結果として通油抵抗が大きくなる場合が生ずる。   However, in such an oil filtration device, foreign matter concentrates on the surface of the screen positioned in the oil flow direction and is likely to be clogged, resulting in an increase in oil flow resistance.

本発明は上記従来の問題点に鑑み案出したものであって、目詰まりの発生を防止することを目的の１つとする。また、濾過効率向上を目的の１つとし、その請求項１は、オイル中の異物を濾過するオイル濾過装置であって、オイルが流入するオイル流入口と、該流入するオイル中の異物を濾過する濾過部と、該濾過されたオイルを流出するオイル流出口と、前記オイル流入口および前記オイル流出口に対面する前記濾過部の濾過面が常に入れ替わり可能に前記濾過部を作動する入れ替え手段とを備えることである。   The present invention has been devised in view of the above-described conventional problems, and an object thereof is to prevent the occurrence of clogging. One of the objects of the present invention is to improve the filtration efficiency. Claim 1 is an oil filtration device for filtering foreign matter in oil, and filters an oil inlet into which oil flows in and foreign matter in the inflowing oil. A filtering section that performs the filtering section so that the oil inlet and the filtering face of the filtering section facing the oil outlet can always be switched. It is to provide.

また、請求項２は、前記濾過部は、略筒状に形成されてなり、前記入れ替え手段は、前記濾過部を回転することにより前記濾過面を入れ替える手段であることである。   Further, the second aspect of the present invention is that the filtering part is formed in a substantially cylindrical shape, and the replacement means is a means for replacing the filtering surface by rotating the filtering part.

また、請求項３は、前記入れ替え手段は、前記オイル流入口から流入するオイルの流体力を用いて前記濾過面を入れ替える手段であることである。   In addition, a third aspect of the present invention is that the replacement means is a means for replacing the filtration surface by using a fluid force of oil flowing in from the oil inlet.

また、請求項４は、前記濾過部は、外周にプリーツが形成されており、前記入れ替え手段は、該プリーツに前記オイルの流体力を作用させることで前記濾過部を回転させる手段であることである。   According to a fourth aspect of the present invention, the filtering unit has a pleat formed on an outer periphery, and the replacement means is a unit that rotates the filtering unit by applying a fluid force of the oil to the pleat. is there.

また、請求項５は、前記濾過部は、前記プリーツが複数形成されてなることである。   In addition, a fifth aspect of the present invention is that the filtering part is formed by a plurality of the pleats.

本発明は、オイル中の異物を濾過するオイル濾過装置であって、オイルが流入するオイル流入口と、該流入するオイル中の異物を濾過する濾過部と、該濾過されたオイルを流出するオイル流出口と、前記オイル流入口および前記オイル流出口に対面する前記濾過部の濾過面が常に入れ替わり可能に前記濾過部を作動する入れ替え手段とを備えることにより、オイル流入口やオイル流出口に対面する濾過部の濾過面が常に入れ替わるから、濾過面の一部に異物が集中することがない。この結果、目詰まりの発生を防止することができる。   The present invention relates to an oil filtering device for filtering foreign matter in oil, an oil inlet into which oil flows, a filtration unit for filtering foreign matter in the flowing oil, and an oil that flows out the filtered oil An oil outlet and an oil outlet face each other by providing an outlet and a replacement means for operating the filtration part so that the oil inlet and the filtration surface of the filtration part facing the oil outlet can always be changed. Since the filtration surface of the filtration part to be replaced always changes, foreign substances do not concentrate on a part of the filtration surface. As a result, it is possible to prevent clogging.

また、前記濾過部は、略筒状に形成されてなり、前記入れ替え手段は、前記濾過部を回転することにより前記濾過面を入れ替える手段であることにより、こうすれば、濾過部を回転させるだけであるから、簡易な構成で濾過面の入れ替えを行なうことができる。   Moreover, the said filtration part is formed in the substantially cylindrical shape, and the said replacement means is a means to replace the said filtration surface by rotating the said filtration part, In this way, only a filtration part is rotated. Therefore, the filtration surface can be replaced with a simple configuration.

また、前記入れ替え手段は、前記オイル流入口から流入するオイルの流体力を用いて前記濾過面を入れ替える手段であることにより、こうすれば、オイル流入口から流入するオイルの流体力により濾過面を入れ替えることができるから、簡易な構成で目詰まりの発生を防止することができる。   Further, the replacement means is means for replacing the filtration surface using the fluid force of the oil flowing in from the oil inlet, and in this way, the filtration surface is changed by the fluid force of the oil flowing in from the oil inlet. Since they can be replaced, clogging can be prevented from occurring with a simple configuration.

また、前記濾過部は、外周にプリーツが形成されており、前記入れ替え手段は、該プリーツに前記オイルの流体力を作用させることで前記濾過部を回転させる手段であることにより、こうすれば、オイルの流体力をプリーツに作用させるだけで濾過部を回転することができるから、簡易な構成で濾過面の入れ替えを行なうことができる。しかも、プリーツにより濾過面積を大きくすることができて、濾過効率を向上することができる。   Further, the pleat is formed on the outer periphery of the filtration part, and the replacement means is a means for rotating the filtration part by applying a fluid force of the oil to the pleat. Since the filtration unit can be rotated simply by applying the fluid force of the oil to the pleats, the filtration surface can be replaced with a simple configuration. Moreover, the filtration area can be increased by pleating, and the filtration efficiency can be improved.

また、前記濾過部は、前記プリーツが複数形成されてなることにより、こうすれば、濾過部を回転しやすくすることができるとともに、濾過効率をより向上することができる。   In addition, since the filtration unit is formed with a plurality of the pleats, the filtration unit can be easily rotated and the filtration efficiency can be further improved.

以下、本発明の実施例を図面に基づいて説明する。
図１は、オイル濾過装置の配置概略構成図であり、変速機のケース１の底側には、オイルを溜めることのできるオイルパン２が設けられ、このオイルパン２内のオイルをストレーナ２ａを介して吸い上げてオイルポンプ３で濾過装置４へ圧送し、濾過装置４内でオイル中の異物を濾過し、コントロールバルブ５を介してオイルを潤滑必要部位へ供給するように構成されている。 Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic diagram of the arrangement of an oil filtering device. An oil pan 2 capable of storing oil is provided on the bottom side of a case 1 of a transmission. The oil in the oil pan 2 is passed through a strainer 2a. The oil pump 3 sucks up the pressure and feeds it to the filtration device 4 with the oil pump 3. The foreign matter in the oil is filtered in the filtration device 4, and the oil is supplied to the lubrication required portion through the control valve 5.

図２は、濾過装置４の概略斜視構成図であり、図３は、濾過装置の縦断面拡大構成図であり、また図４は、図３の水平面内で切断した断面概略構成図である。
濾過装置４は、変速機ケース１内に設けられた流入口６と流出口７を備えており、流入口６からオイルが内部の濾過室８内に入り、上方側の流出通路９を通り流出口７へ流出されるように構成されており、変速機ケース１の流入口６の下方には垂下状に嵌合筒部１０が形成されており、この嵌合筒部１０に下方側からキャップ１１が嵌め込まれて、濾過室８が密閉されるように構成されている。
キャップ１１は上方側が開口された有底筒状に形成され、上部外周には外側へ突出して鍔部１１ａが形成され、鍔部１１ａよりも更に上方へ突出して係入筒部１１ｂが一体形成されており、この係入筒部１１ｂの外周にオイルシール１２を嵌め込んだ状態で、係入筒部１１ｂが変速機ケース１の嵌合筒部１０内に嵌め込まれてキャップ１１が取り付けられている。 2 is a schematic perspective configuration diagram of the filtering device 4, FIG. 3 is an enlarged vertical sectional configuration diagram of the filtering device, and FIG. 4 is a schematic sectional configuration diagram cut in a horizontal plane of FIG.
The filtration device 4 includes an inflow port 6 and an outflow port 7 provided in the transmission case 1, and oil enters the internal filtration chamber 8 from the inflow port 6 and flows through the upper outflow passage 9. A fitting cylinder portion 10 is formed in a hanging shape below the inflow port 6 of the transmission case 1, and a cap is formed on the fitting cylinder portion 10 from below. 11 is fitted and the filtration chamber 8 is sealed.
The cap 11 is formed in a bottomed cylindrical shape with the upper side opened, and a flange portion 11a is formed on the outer periphery of the upper portion so as to protrude outward. In the state where the oil seal 12 is fitted on the outer periphery of the engaging cylinder part 11b, the engaging cylinder part 11b is fitted into the fitting cylinder part 10 of the transmission case 1 and the cap 11 is attached. .

このキャップ１１と変速機ケース１で形成された濾過室８内には、濾過材で略筒状に形成されたフィルタ１３が内装され、このフィルタ１３は、その下端に下回転部１３ａを有し、また上端側に上回転部１３ｂを有しており、図４に示すように、フィルタ１３の外周には、複数の突出したプリーツ１３ｃがひだ状に複数形成されている。
フィルタ１３の下回転部１３ａおよび上回転部１３ｂは、それぞれホルダー１４，１５に回転可能に支持されており、下回転部１３ａの拡大断面図を図５に示すように、下回転部１３ａの外側には、キャップ１１の内側に嵌め込まれてホルダー１４が設けられており、ホルダー１４の外周で上方へ突出する支持壁１４ａの内側に、シール部材１７とベアリング１８を介在させて下回転部１３ａが回転可能に支持されている。 In the filtration chamber 8 formed by the cap 11 and the transmission case 1, a filter 13 formed in a substantially cylindrical shape with a filtering material is provided, and this filter 13 has a lower rotating portion 13a at the lower end thereof. Further, the upper rotating portion 13b is provided on the upper end side, and a plurality of protruding pleats 13c are formed in a pleated shape on the outer periphery of the filter 13 as shown in FIG.
The lower rotating portion 13a and the upper rotating portion 13b of the filter 13 are rotatably supported by the holders 14 and 15, respectively, and an enlarged cross-sectional view of the lower rotating portion 13a is shown on the outer side of the lower rotating portion 13a as shown in FIG. The holder 14 is provided so as to be fitted inside the cap 11, and the lower rotating portion 13 a is disposed inside the support wall 14 a protruding upward on the outer periphery of the holder 14 with a seal member 17 and a bearing 18 interposed therebetween. It is rotatably supported.

また、上回転部１３ｂも同様に、変速機ケース１の濾過室８内にオイルシール１６を介して固定状に取り付けられたホルダー１５の内側に、シール部材とベアリング１８を介在させて回転可能に支持されている。
なお、ホルダー１５には、上下に貫通して上面開口１５ａが形成されており、この上面開口１５ａは、フィルタ１３内に縦方向に形成された内部通路Ｒと、上方の流出通路９を連通させるように開口されている。 Similarly, the upper rotating portion 13b is rotatable inside a holder 15 fixedly mounted in the filtration chamber 8 of the transmission case 1 via an oil seal 16 with a seal member and a bearing 18 interposed therebetween. It is supported.
The holder 15 has an upper surface opening 15a penetrating vertically, and this upper surface opening 15a communicates the internal passage R formed in the vertical direction in the filter 13 with the upper outflow passage 9. So that it is open.

なお、図４に示すように、変速機ケース１に形成された流入口６は、平面視して濾過室８の中心に対して偏芯した位置にフィルタ１３のプリーツ１３ｃの濾過面に対面するように開口されており、オイルポンプ３から圧送されてくるオイルが流入口６から濾過室８内に流入されると、フィルタ１３のプリーツ１３ｃの濾過面に当たり、オイルの流体力を受けてフィルタ１３が濾過室８内で回転されるように構成されている。   As shown in FIG. 4, the inflow port 6 formed in the transmission case 1 faces the filtration surface of the pleats 13 c of the filter 13 at a position eccentric with respect to the center of the filtration chamber 8 in plan view. When the oil pumped from the oil pump 3 flows into the filtration chamber 8 from the inlet 6, it strikes the filtration surface of the pleat 13 c of the filter 13 and receives the fluid force of the oil to receive the filter 13. Is configured to rotate within the filtration chamber 8.

このように、濾過室８内にオイルが流れ込むことで、フィルタ１３が回転され、オイルはフィルタ１３の濾過面を通り異物が除去されて、内部通路Ｒから上面開口１５ａを通り流出通路９から流出口７へ流出されるものであり、フィルタ１３は内部で回転されるため、フィルタ１３の濾過面が常に回転により入れ替わり、フィルタ１３の濾過面の一部にオイル内の異物が集中することがなく、フィルタ１３は目詰りすることがない。   Thus, the oil flows into the filtration chamber 8 to rotate the filter 13, and the oil passes through the filtration surface of the filter 13 to remove foreign matter, and flows from the internal passage R through the upper surface opening 15 a to the outflow passage 9. Since it flows out to the outlet 7 and the filter 13 is rotated inside, the filtration surface of the filter 13 is always replaced by rotation, and foreign matter in oil does not concentrate on a part of the filtration surface of the filter 13. The filter 13 is not clogged.

また、フィルタ１３の外周には、ひだ状に複数のプリーツ１３ｃが突出形成されているため、このプリーツ１３ｃにより濾過面積が大となり、異物の濾過効率が向上するものとなる。
なお、プリーツ１３ｃの形状は、図４のものに限定されるものではなく、流入口６から濾過室８内に流入されるオイルが広い面積で当たり、オイルの流れによりフィルタ１３に回転力が与えられるような形状であれば良い。 In addition, since a plurality of pleats 13c are formed in a pleated shape on the outer periphery of the filter 13, the pleats 13c increase the filtration area and improve the filtration efficiency of foreign matter.
Note that the shape of the pleat 13c is not limited to that shown in FIG. 4, and the oil flowing into the filtration chamber 8 from the inlet 6 hits in a wide area, and a rotational force is given to the filter 13 by the oil flow. Any shape can be used.

本例では、濾過装置４の濾過室内に回転可能にフィルタ１３を設けた簡単な構成で、流入されるオイルの流体力を作用させることで良好にフィルタ１３を回転させて、常に濾過面を入れ替えて、オイル内に含まれている異物が１カ所に集中することを防いで、フィルタ１３の目詰りを良好に防ぐことができるものとなる。   In this example, the filter 13 is rotatably provided in the filtration chamber of the filtration device 4, and the filter 13 is always rotated by applying the fluid force of the oil flowing in, so that the filtration surface is always replaced. Thus, the foreign matter contained in the oil is prevented from concentrating at one place, and the filter 13 can be prevented from being clogged well.

実施例の濾過装置４では、流入口６は、濾過室８の中心に対して偏芯した位置にフィルタ１３のプリーツ１３ｃの濾過面に対面するように開口するものしたが、フィルタ１３をオイルの流体力により回転できれば流入口６は、濾過室８の中心に向かって開口するものであっても差し支えない。   In the filtration device 4 of the embodiment, the inflow port 6 opens at a position eccentric to the center of the filtration chamber 8 so as to face the filtration surface of the pleats 13c of the filter 13, but the filter 13 is made of oil. The inlet 6 may be opened toward the center of the filtration chamber 8 as long as it can be rotated by fluid force.

実施例の濾過装置４では、フィルタ１３の外周にプリーツ１３ｃを形成し、このプリーツ１３ｃに流入口６からのオイルを当ててフィルタ１３を回転するものとしたが、フィルタ１３を回転できれば如何なる構成であっても良く、例えば、フィルタ１３は単なる円筒状とし、これに別体の羽根部材を取り付け、この羽根部材にオイルを当ててフィルタ１３を回転するものや、フィルタ１３自体の外形を多角形状に形成して、この外形面にオイルを当てることでフィルタ１３を回転するもの等であっても構わない。   In the filter device 4 of the embodiment, the pleat 13c is formed on the outer periphery of the filter 13, and the filter 13 is rotated by applying oil from the inlet 6 to the pleat 13c. However, any configuration can be used as long as the filter 13 can be rotated. For example, the filter 13 has a simple cylindrical shape, a separate blade member is attached to the filter 13, the filter 13 is rotated by applying oil to the blade member, and the outer shape of the filter 13 itself is a polygonal shape. The filter 13 may be rotated by applying oil to the outer surface.

実施例の濾過装置４では、フィルタ１３はオイルの流体力により回転するものとしたが、濾過面を入れ替えることができれば良く、例えば、フィルタ１３をモータを用いて電動で回転して濾過面を入れ替えるものとしても構わない。   In the filter device 4 of the embodiment, the filter 13 is rotated by the fluid force of the oil. However, the filter surface only needs to be replaced. For example, the filter 13 is rotated electrically by using a motor to replace the filter surface. It does n’t matter.

変速機ケース内の濾過装置の概略配置構成図である。It is a schematic arrangement block diagram of the filtration apparatus in a transmission case. 濾過装置の概略斜視構成図である。It is a schematic perspective block diagram of a filtration apparatus. 濾過装置の縦断面拡大構成図である。It is a longitudinal cross-sectional enlarged block diagram of a filtration apparatus. 図３の水平面内で切断した平面断面構成図である。It is the plane cross-section block diagram cut | disconnected in the horizontal surface of FIG. フィルタの下回転部の支持構造を示す要部拡大断面構成図である。It is a principal part expanded sectional block diagram which shows the support structure of the lower rotation part of a filter.

符号の説明Explanation of symbols

１ 変速機ケース
２ オイルパン
２ａ ストレーナ
３ オイルポンプ
４ 濾過装置
５ コントロールバルブ
６ 流入口
７ 流出口
８ 濾過室
９ 流出通路
１０ 嵌合筒部
１１ キャップ
１１ｂ 係入筒部
１２，１６ オイルシール
１３ フィルタ
１３ａ 下回転部
１３ｂ 上回転部
１３ｃ プリーツ
１４，１５ ホルダー
１５ａ 上面開口
１７ シール部材
１８ ベアリング
Ｒ 内部通路 DESCRIPTION OF SYMBOLS 1 Transmission case 2 Oil pan 2a Strainer 3 Oil pump 4 Filtration apparatus 5 Control valve 6 Inlet 7 Outlet 8 Filtration chamber 9 Outflow passage 10 Fitting cylinder part 11 Cap 11b Engagement cylinder part 12, 16 Oil seal 13 Filter 13a Lower rotating portion 13b Upper rotating portion 13c Pleats 14, 15 Holder 15a Upper surface opening 17 Seal member 18 Bearing R Internal passage

Claims (5)

オイル中の異物を濾過するオイル濾過装置であって、
オイルが流入するオイル流入口と、
該流入するオイル中の異物を濾過する濾過部と、
該濾過されたオイルを流出するオイル流出口と、
前記オイル流入口および前記オイル流出口に対面する前記濾過部の濾過面が常に入れ替わり可能に前記濾過部を作動する入れ替え手段と、
を備えるオイル濾過装置。 An oil filtration device for filtering foreign matter in oil,
An oil inlet through which oil flows,
A filtration unit for filtering foreign matter in the inflowing oil;
An oil outlet for draining the filtered oil;
A replacement means for operating the filtration unit so that the filtration surface of the filtration unit facing the oil inlet and the oil outlet is always interchangeable;
An oil filtration device comprising: 前記濾過部は、略筒状に形成されてなり、前記入れ替え手段は、前記濾過部を回転することにより前記濾過面を入れ替える手段である請求項１記載のオイル濾過装置。   The oil filtration device according to claim 1, wherein the filtration unit is formed in a substantially cylindrical shape, and the replacement unit is a unit that replaces the filtration surface by rotating the filtration unit. 前記入れ替え手段は、前記オイル流入口から流入するオイルの流体力を用いて前記濾過面を入れ替える手段である請求項１または２記載のオイル濾過装置。   The oil filtering device according to claim 1 or 2, wherein the replacement means is means for replacing the filtration surface by using fluid force of oil flowing in from the oil inlet. 前記濾過部は、外周にプリーツが形成されており、前記入れ替え手段は、該プリーツに前記オイルの流体力を作用させることで前記濾過部を回転させる手段である請求項２に係る請求項３記載のオイル濾過装置。   The pleat is formed on an outer periphery of the filtration unit, and the replacement unit is a unit that rotates the filtration unit by applying a fluid force of the oil to the pleat. Oil filtration device. 前記濾過部は、前記プリーツが複数形成されてなる請求項４記載のオイル濾過装置。   The oil filtration device according to claim 4, wherein the filtration unit is formed with a plurality of the pleats.
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CN101579591B (en) * 2008-05-16 2011-03-09 鞍钢股份有限公司 Coating filtering device with alarm function
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