JP2000045749A - Oil separator for blow-by gas - Google Patents

Oil separator for blow-by gas

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Publication number
JP2000045749A
JP2000045749A JP10217918A JP21791898A JP2000045749A JP 2000045749 A JP2000045749 A JP 2000045749A JP 10217918 A JP10217918 A JP 10217918A JP 21791898 A JP21791898 A JP 21791898A JP 2000045749 A JP2000045749 A JP 2000045749A
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JP
Japan
Prior art keywords
gas
oil
cylinder head
container body
blow
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Pending
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JP10217918A
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Japanese (ja)
Inventor
Kazutoyo Endo
一豊 遠藤
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Tennex Corp
株式会社テネックス
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Application filed by Tennex Corp, 株式会社テネックス filed Critical Tennex Corp
Priority to JP10217918A priority Critical patent/JP2000045749A/en
Publication of JP2000045749A publication Critical patent/JP2000045749A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To prevent the oil except for atomized oil fine particles from coming into a container body of a separator. SOLUTION: A separator comprises a container body 11 of which the lower surface molded integrally with a cylinder head cover C is opened and a bottom lid body 12 fixed to the lower surface, the container body 11 comprises a plurality of first baffles 11b, and an outlet 11c of the blow-by gas, the bottom lid body 12 comprises a plurality of second baffles 12b alternately forming a gas passage zigzag in the lateral and vertical directions with the first baffles 11b, and further comprises a gas inlet 12b near a side wall of the cylinder head C, and a drain through-hole 12c of the separated oil on the opposite side, further an enclosure frame body 13 totally covering the gas inlet 12b and extended to an end wall of the container body 11 is mounted on the lower side of the bottom lid body 12, a projecting collar piece 13a is mounted on an opening end of the enclosure frame body 13 for preventing the oil on a cylinder head H splashed up by a valve gear mechanism from coming into the container body 11, and only the atomized oil in the blow-by gas is treated in the separator S.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】この発明はエンジン内部に漏出されるブローバイガスからオイルを分離する装置主として余分なオイル粒子が装置内に入らないように改良した分離装置に関する。 TECHNICAL FIELD The present invention relates to separation apparatus apparatus mainly excess oil particles to separate oil from the blow-by gas leaked into the internal engine is improved not to enter into the device.

【0002】 [0002]

【従来の技術】車両用のエンジンでは大気汚染防止のため、エンジン内部に漏出するブローバイガスを再度吸気管側に戻し、そして、ブローバイガス中に霧状になって含まれているオイルを分離してこれをエンジンの摺動部側に戻すようにしている。 For prevention of air pollution in the Background of the engine for a vehicle, and back to the intake pipe side blowby gas leaking inside the engine, and to separate the oil contained in atomized into the blow-by gas It is returned to the sliding portion of the engine this Te.

【0003】現在採用されているオイルの分離装置Sの一例を示せば、図4ないし図6のとおりであり、オイル分離装置Sは所定容積の容器本体1とその下面に固着される底蓋体2とからなり、容器本体1はエンジンEのシリンダヘッドカバーC(アルミニウムダイカスト又はポリアミド,ポリアセタール等の合成樹脂製)と一体型に形成されており、容器本体1は天井壁1aから所定の間隔をおいて垂下し、図6のように幅が本体の内側幅にほぼ等しく、本体の高さより短く下側に流路を形成するようになされた複数の第1のじゃま板1bを有すると共にヘッドカバーCの中央部に近い端部には吸気管系につながるガス出口1Cを備えている。 [0003] One example of a separation apparatus S of the oil that is currently employed, is as shown in FIGS. 4 to 6, the oil separator S is fixed to the lower surface of the container body 1 of a predetermined volume Sokofutatai It consists of two Prefecture, cylinder head cover C (die-cast aluminum or polyamide, synthetic resin such as polyacetal) of the container body 1 is the engine E and is formed into an integrated container body 1 over a predetermined distance from the ceiling wall 1a Contact There was suspended, substantially equal to the width of the inside width of the body as shown in FIG. 6, the head cover C and having a plurality of first baffles 1b adapted to form a flow path below the shorter than the height of the body the end closer to the center portion and a gas outlet 1C leading to the intake pipe system.

【0004】一方、底蓋体2は容器本体1の第1にじゃま板1bと所定の間隔をおいて食い違う状態に複数の第2のじゃま板2bを備えていて、そのうちの中央側に位置するものは容器本体1の内側高さにほぼ等しい高さで、幅は本体1の内側幅より小さく図6のように一側又は他側に流路を形成するようになされ、そして、ガス流れに対し下流側のものは多孔板をなしており、ガス出口1Cに隣接するものは幅は本体1の内側幅にほぼ等しく、高さは低く上部に流路を形成するようになされており、このじゃま板2bと多孔のじゃま板2bの下端中央部には分離オイルの通し孔2eが設けられている。 On the other hand, Sokofutatai 2 is provided with a plurality of second baffles 2b ready to differ at the baffle plate 1b by a predetermined distance to the first container body 1, positioned at the center side of the ones in approximately equal height on the inside height of the container main body 1, the width is adapted to form a flow path on one side or the other side as in less 6 than the inner width of main body 1 and the gas flow those on the downstream side against which no perforated plate, width adjacent ones gas outlet 1C is substantially equal to the inside width of the main body 1, the height being adapted to form a flow path in the upper low, this the lower central portion of the baffle plate 2b and the perforated baffle 2b through hole 2e of separating oil is provided. 又シリンダヘッドHに設けられたブローバイガスの流通孔3 The communication holes 3 of the blow-by gas provided in the cylinder head H
と反対側の端部には開口面積の大き目なガスの入口2a Larger gas inlet 2a of the opening area on the end opposite to the
を備えかつガス流通孔3に近い側の端部には分離したオイルを排出するドレン通孔2Cが設けられている。 The provided and drain hole 2C is the end closer to the gas flow hole 3 for discharging the separated oil is provided. そして、容器本体1の天井壁1aから垂下する第1じゃま板1bと底蓋2から起立する第2じゃま板2bは容器本体1内において図4,図6の実線矢印のようにブローバイガスが左右及び上下にジグザグに曲がって流れるように配設されている。 Then, Fig second baffle 2b erected from the first baffle plate 1b and the bottom lid 2 to be suspended from the ceiling wall 1a of container body 1 in the container body 1 4, the blow-by gas as shown by the solid line arrows in FIG. 6 left and it is arranged to flow bent zigzag vertically.

【0005】そして、シリンダヘッドカバーCはエンジンEのシリンダヘッドH上に取付けられ、シリンダヘッドH上に配設されているロッカアームaや弁棒b,カムC,カムシャフトd等からなる動弁機構に塵埃は付着するのを防ぐ一方、エンジンEのクランクケース内に生じるブローバイガスの案内通路を形成しており、エンジンEの作動時にフランクケース内に生じたブローバイガスはクランクケース内の正圧又は吸気管側の負圧の影響でガス流通孔3を通ってシリンダヘッドH上に流出し、反対方向に流れて容器本体1の入口2aから本体1中に入り、そこに配設された複数の第1,第2のじゃま板1 [0005] The cylinder head cover C is mounted on a cylinder head H of an engine E, the rocker arm a and the valve rod b are disposed on the cylinder head H, the cam C, the valve operating mechanism comprising a camshaft d like while preventing the dust from adhering, forms a guide passage of the blow-by gas generated in the crankcase of the engine E, the positive or in the blow-by gas crankcase occurring in the flank casing during operation of the engine E intake flows over the cylinder head H through the gas flow hole 3 under the influence of negative pressure tube side, enters through the inlet 2a container body 1 flows in opposite directions in the body 1, a plurality of which are disposed therein to the 1, the second of the baffle plate 1
b,2bに衝突し、かつ左右、上下に交互に曲がりながら移動する過程で、ブローバイガス中に含まれているオイル粒子は分離され、分離されたオイルはドレン通孔2 b, collides with 2b, and the right and left, in the course of moving while turning alternately up and down, the oil particles contained in the blow-by gas is separated, the separated oil drain hole 2
CからシリンダヘッドH上に滴下し、オイルから分れたガスは出口1Cからホース部材を介し吸気管側に流れるようになされている。 It dropped from C on the cylinder head H, gas divided from the oil is made to flow into the intake pipe side via the hose member the outlet 1C.

【0006】 [0006]

【発明が解決しようとする課題】ところで、上記オイルの分離装置では、ブローバイガスに含まれているオイルの微粒子を効率よく分離する必要から、容器本体1中を通り抜けるブローバイガスの流速が大体1m/秒以下となるように底蓋2の入口2aの面積が大き目に設定されており、そのため、動弁機構を油滑すべくシリンダヘッドH上に溜められたオイルが図7のようにロッカアームaや弁棒b,カムC等により跳ね上げられると、そのオイル粒子が入口2aから入り易く、又車両が坂道を登はんするときのように図8のようにエンジン自体が傾いたりすると底蓋2に跳ね上げ付着したオイルが入口2aから流入することになり、分離装置では処理し切れずにブローバイガスと一緒に出口1Cから流出してしまい、エンジン不調,オイ [SUMMARY OF THE INVENTION Incidentally, in the separation apparatus the oil, the fine particles of the oil contained in the blow-by gas from the need to efficiently separated, the flow rate of the blowby gas passing through the middle container body 1 is approximately 1 m / s are larger set the area of ​​the inlet 2a of the bottom lid 2 to be equal to or less than, therefore, the oil accumulated on the cylinder head H so as to AburaNamera the valve mechanism is a rocker arm a and the valve as shown in FIG. 7 bar b, and is flipped by the cam C such, easily enters the oil particles from the inlet 2a, also the bottom lid 2 when tilting the engine itself, as in FIG. 8, such as when the vehicle is registered solder the hill splashed adhered oil will be flowing from the inlet 2a, will flow out from the outlet 1C with blow-by gas not completely processed in separator, the engine malfunction, OY 消費の増加の原因になる。 Cause of the increase in consumption.

【0007】そこで、この発明はエンジンの作動中にブローバイガスに含まれている霧状のオイル微粒子以外のオイルが分離装置の容器本体中に入り込まないようにすることを課題とする。 [0007] Therefore, the present invention is an object of the atomized oil particles than the oil contained in the blow-by gas during operation of the engine is prevented from entering into the container body of the separator.

【0008】 [0008]

【課題を解決するための手段】上記課題のもとにこの発明は、シリンダヘッドカバーの上部に形成され下面が開放された所定容積の容器本体とその下面に固着される底蓋体からなり、容器本体は天井壁から垂下する複数の第1のじゃま板を有すると共にガスの出口を備え、底蓋体は容器本体内において上記第1のじゃま板と交互に左右、上下にジグザグなブローバイガスの通路を形成する複数の第2のじゃま板を有し、シリンダヘッドカバーの側壁に近い位置にガスの入口を備え、かつオイルのドレン通孔を有するブローバイガスにおけるオイルの分離装置として、底蓋体の中央部から下側に突出しガスの入口の全体をおおってシリンダヘッドカバーの側壁に向って伸びる囲い枠体を設け、その開口端の両側及び下側に張り出すつば片を設け SUMMARY OF THE INVENTION The present invention based on the above-mentioned problems is made from the bottom lid is fixed to the container body and a lower surface of a predetermined volume of the lower surface is formed on the upper portion of the cylinder head cover is opened, the container the body includes a gas outlet and having a plurality of first baffles depending from a ceiling wall, Sokofutatai left and right alternately with the first baffle plate in the container body, the passage of the zigzag blow down a plurality of second baffles forming a comprises an inlet of the gas at a position closer to the side wall of the cylinder head cover, and a separation apparatus for the oil in the blow-by gas having a drain hole of the oil, middle Sokofutatai the surrounding frame body extending toward the side wall of the cylinder head cover is provided over the entire entrance of the gas to protrude downward from the parts, provided with a collar piece projecting on either side and lower side of the open end ことを特徴とするものである。 It is characterized in.

【0009】 [0009]

【発明の実施の形態】図1,図2はこの発明に係るオイルの分離装置の一例を示すものであり、下面が開放された所定容積の容器本体11はアルミニウムダイカスト製又はポリアミド,ポリアセータル等の合成樹脂製のシリンダヘッドカバーCと一体にその一端の側壁に近づけて膨出状態に形成され、その下面には同じ材質の底蓋体1 DETAILED DESCRIPTION OF THE INVENTION Figure 1, Figure 2 shows one example of a separation device of the oil according to the present invention, the container body 11 of a predetermined volume is open on the bottom side of the aluminum die cast or polyamide, such as Poriasetaru is formed close to the side wall of one end thereof integrally with the synthetic resin of the cylinder head cover C in swelling state, the bottom lid 1 is on its lower surface the same material
2が合成樹脂製の場合には振動摩擦溶着、アルミニウム製の場合はろう付又はビス止め等により固着されている。 2 vibration friction welding in the case of a synthetic resin, in the case of aluminum are secured by brazing or screwing or the like.

【0010】容器本体11には幅が容器本体11の内側幅にほぼ等しく、かつ容器本体の高さより短く下側に流路を形成するようになされた第1のじゃま板11bが複数、所定の間隔をおいて天井壁11bから垂設されると共にヘッドカバーCの中央側の端部にはホース部材(図示せず)を介し吸気管側につながるブローバイガスの出口11Cが設けられている。 [0010] approximately equal to the inside width of the container body 11 in the container main body 11, and first baffle 11b adapted to form a flow path below the shorter than the height of the container body is more, predetermined outlet 11C of the blow-by gas to an end portion of the center side of the head cover C connected to the intake pipe side via a hose member (not shown) while being vertically from the ceiling wall 11b are provided at intervals.

【0011】一方、底蓋体2には、中央部に位置し高さが容器本体11の内側高さにほぼ等しく、幅は本体11 Meanwhile, the Sokofutatai 2, located in central height substantially equal to the inner height of the container body 11, the width main body 11
の内側幅より小さく一側又は他側に流路を形成するようになされ、ガス流れに対し下流側のものを多孔とした第2のじゃま板12bと、ガス出口11Cに隣接し幅は本体11の内側幅にほぼ一致し、高さは本体11cより低く上部に流路を形成するようになされた第2のじゃま板12bが所定の間隔をおいて立設されており、容器本体11側の第1じゃま板11bと底蓋体2上の第2じゃま板12bは互いに食い違い状態に配設され、容器本体1 Adapted to the form a passage on one side or the other side smaller than the inner width, the second baffle plate 12b having a porous ones downstream with respect to gas flow, the width adjacent to the gas outlet 11C body 11 substantially coincides with the inner width and the height are erected at a second baffle 12b of a predetermined distance which is adapted to form a flow path in the upper lower than the body 11c, the container body 11 side the second baffle plate 12b on the first baffle plate 11b and Sokofutatai 2 are arranged staggered to each other, the container main body 1
1中において交互に左右、上下に向うジグザグなガス通路を形成するようになされている。 Alternately to the left and right have been made to form a zigzag gas passage toward the top and bottom in a 1. 出口11C側とこれに隣る第2のじゃま板12bの下端中央部には分離オイルの通孔12eが設けられている。 The lower central portion of the outlet 11C side and second baffle 12b which Tonariru thereto through hole 12e of the separating oil is provided.

【0012】又、底蓋体12にはヘッドカバーCの側壁に近い位置に開口面積を大き目にしたガスの入口12a [0012] Also, the inlet 12a of the gas in Sokofutatai 12 was larger opening area at a position closer to the side wall of the head cover C
が設けられると共に遠い側の端部には上部をオイル溜め12dとした細目のドレン通孔12Cが設けられ、そして、この発明では底蓋体12の下面中央部より下側に突出し、ガス入口12aの全体をおおいかつシリンダヘッドカバーCの側壁に近い容器本体11の端壁まで伸びる囲い枠体13が一体に形成され、その囲い枠体13の開口端には図2にみられるように両側及び下側の三方に張り出したつば片13aが設けられている。 Drain holes 12C specifics that the oil reservoir 12d is provided with a top at the end of the far side with provided that, and protrude below the bottom surface central portion of the Sokofutatai 12 in this invention, the gas inlet 12a the whole cover and surrounding frame member 13 extending to the end wall of the container main body 11 close to the side wall of the cylinder head cover C is integrally formed of, both sides and bottom as the open end of the enclosure frame 13 seen in FIG. 2 flange piece 13a which protrudes three sides of the side is provided.

【0013】このような構成のもとに、エンジンEの作動時には、クランクケース内に漏出したブローバイガスはクランクケース内の正圧又は吸気管側の負圧の影響でシリンダヘッドHに設けられた流通孔を通ってシリンダヘッドH上に流出し、そこを反対側に流れ、底蓋体12 [0013] Under such a configuration, at the time of operation of the engine E, the blow-by gas leaked into the crankcase positive pressure or in the crankcase is provided in the cylinder head H under the influence of negative pressure in the intake pipe side flows over the cylinder head H through the flow holes, flows therethrough to the opposite side, Sokofutatai 12
の下側に設けられた囲い枠体13の開口端に至って実線矢印のように囲い枠体13中に入り、更に底蓋体12の入口12aから容器本体11内に流入し、その内部に配設された複数の第1,第2のじゃま板11b,12bに衝突し、かつ左右、上下に交互に曲がりながら出口11 Reached the open end of the lower side provided a dam member 13 enters into the dam member 13 as shown by the solid line arrow, further flows through the inlet 12a of the bottom lid 12 in the container body 11, distribution therein a plurality of the set first, second baffle plate 11b, impinges on 12b, and left and right, while turning alternately in the vertical outlet 11
C側に移動する過程で、ブローバイガス中に含まれているオイル微粒子は分離され、分離されたオイルはオイルの通孔12eを通って流れ、最終的には底蓋体12に設けられたオイル溜め12dに溜まり、かつドレン通孔1 In the course of moving to the C side, the oil particles contained in the blow-by gas is separated, the separated oil flows through the hole 12e of the oil, and eventually provided Sokofutatai 12 oil It accumulates in reservoir 12d, and the drain hole 1
2Cから点線矢印のようにシリンダヘッドH上に滴下し、オイルのなくなったブローバイガスは出口11cからホース部材を介し吸気管側に流れていく。 It was dropped on the cylinder head H as shown by the dotted line arrow from the 2C, the blow-by gas that are no longer oil flows to the intake pipe side via the hose member from the outlet 11c.

【0014】一方、シリンダヘッドH上のロッカアームa,弁棒b,カムc及びカムシャフトd等からなる動弁機構を潤滑するためにシリンダヘッドH上に溜められているオイルは、それら動弁部材の動作により跳ね上げられるが、その際、オイル分離装置Sの底蓋体12の入口12aの下側は全体にわたって囲い枠体13によりおおわれているので、これまでのように跳ね上げオイル粒子が入口12aから入り込むことがなく、又車両が坂道を登はんするときのようにエンジンEが図3のように傾いたにしても、囲い枠13の開口端の三方には外方に張り出すつば片13aが設けられているので、底蓋体12の下面及び囲い枠13の外面に付着したオイルはそのつば片13aを伝って下方に滴下することになり、入口12 [0014] On the other hand, the rocker arm a on the cylinder head H, the valve stem b, oil that is accumulated on the cylinder head H to lubricate the valve mechanism comprising a cam c and a cam shaft d and the like, they valve operating member but it is splashed by the operation this time, since the lower inlet 12a of the bottom cover member 12 of the oil separator S is covered by the dam member 13 across the oil particles splashed as before the inlet without entering from 12a, also collar engine E is also in the inclined as in FIG. 3, which project outward on the three sides of the open end of the enclosure frame 13, such as when the vehicle is registered solder the hill since the strip 13a is provided, oil adhered to the outer surface of the lower surface of Sokofutatai 12 and enclosure frame 13 will be dropped downward along the collar piece 13a, the inlet 12
aから容器本体11中に入ることはない。 Not to enter into the container body 11 from a.

【0015】なお、容器本体11に設けられる第1じゃま板11b及び底蓋体12に設けられる第2じゃま板1 [0015] Note that the second baffle plate is provided on the first baffle plate 11b and Sokofutatai 12 provided in the container main body 11 1
2bの形体や数は図示の例に限らず、容器本体11内においてブローバイガスに交互に左右、上下に曲がった流れを付与できるものであれば適宜に変更してもよい。 Form and number of 2b is not limited to the illustrated example, the left and right alternately in blow-by gas in the container body 11 may be changed as appropriate as long as it can impart flow bent vertically. 図2のように底蓋体12のガス入口12a,ドレン通孔1 Gas inlet 12a of Sokofutatai 12 as shown in FIG. 2, a drain hole 1
2Cは、ガスの有効なジグザグ流れを得るように幅方向に片寄らせて設けたものを示したが、これは中央部であってもよく、第2のじゃま板12bのオイルの通孔12 2C showed that provided by biased in the width direction so as to obtain an effective zigzag flow of gas, which may be a central, through hole 12 of the oil of the second baffle plate 12b
eを設けないで、複数設けるようにしてもよい。 Without providing the e, it may be more provided. 又入口12aは円形,楕円形等であってもよい。 The inlet 12a is circular, it may be elliptical or the like. 又容器本体1 The container body 1
1の出口11CはシリンダヘッドカバーCの軸線に対し横向きに設けてもよい。 First outlet 11C may be provided transversely to the axis of the cylinder head cover C. 更に図示の例ではオイルの分離装置SをシリンダヘッドカバーCの長手方向の片側にずらせて設けたものを示したが、底蓋体12のガス入口1 Further in the example shown exhibited one provided to be shifted the separator S of the oil on one side of the longitudinal direction of the cylinder head cover C, gas Sokofutatai 12 inlet 1
2a及び囲い枠体13の開口端をヘッドカバーCの側壁に接近させるのであれば中央部であってもよい。 The open end of the 2a and enclosure frame 13 may be a central portion if the is closer to the side wall of the head cover C. (この場合には囲い枠体13は横向きになる。) (Dam member 13 in this case is sideways.)

【0016】 [0016]

【発明の効果】この発明は、ブローバイガスのオイルの分離装置として、上述のように構成されているので、エンジンの作動時にロッカアームや弁棒,カム等の動弁機構の動作により跳ね上げられるシリンダヘッド上のオイルが、底蓋体のガス入口から流入するのを確実に防ぐことができると共にエンジンが傾いたにしても、底蓋体の下面及び囲い枠体の外面に付着した跳ね上げオイルをつば片によって適切にシリンダヘッド上に滴下させることができ、霧状のオイル微粒子だけを適切に処理してエンジン不調を起こすことがない。 Effects of the Invention The present invention, as an oil separation device of the blow-by gas, which is configured as described above, the rocker arm and valve stem upon operation of the engine, the cylinder to be splashed by the operation of the valve operating mechanism such as a cam oil on the head is, even if the engine is tilted with from flowing from the gas inlet of the bottom lid can be reliably prevented, splashed oil adhered to the outer surface of the lower surface and the surrounding frame of the bottom lid suitably can be dropped onto the cylinder head by the collar piece, it does not cause engine trouble only atomized oil particles properly processed.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】この発明に係るオイルの分離装置の一例を示す図2のX−X線に沿った側断面図。 Figure 1 is a side cross-sectional view taken along line X-X of FIG. 2 showing an example of a separation device of the oil according to the present invention.

【図2】図1のW−W線に沿った一部切断正面図。 [2] partially sectional front view taken along line W-W in FIG.

【図3】エンジンが傾いたときの分離装置の状態を示す断面図。 3 is a cross-sectional view showing a state of the separation device when the engine is tilted.

【図4】従来の分離装置を示す図5のZ−Z線に沿ったシリンダヘッドカバー全体の側断面図。 Figure 4 is a side cross-sectional view of the entire cylinder head cover taken along line Z-Z in FIG. 5 showing a conventional separator.

【図5】図4のY−Y線に沿った断面図。 5 is a sectional view taken along line Y-Y in FIG.

【図6】従来の分離装置部分の平面図。 Figure 6 is a plan view of a conventional separator part.

【図7】跳ね上げオイルとの関係を示す従来の分離装置の断面図。 7 is a cross-sectional view of a conventional separation apparatus showing the relationship between the flip-up oil.

【図8】エンジンが傾いたときの従来の分離装置の状態を示す断面図。 8 is a cross-sectional view showing the state of conventional separation device when the engine is tilted.

【符号の説明】 DESCRIPTION OF SYMBOLS

11 容器本体 11a 天井壁 11b 第1のじゃま板 11c 出口 12 底蓋体 12a 入口 12b 第2のじゃま板 12c ドレン通孔 13 囲い枠体 13a つば片 C シリンダヘッドカバー E エンジン H シリンダヘッド 11 the container body 11a top wall 11b first baffle 11c outlet 12 Sokofutatai 12a inlet 12b second baffle plate 12c drain hole 13 surrounding frame member 13a Tsubahen C cylinder head cover E engine H cylinder head

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 シリンダヘッドカバーの上部に形成され下面が開放された所定容積の容器本体とその下面に固着される底蓋体からなり、容器本体は天井壁から垂下する複数の第1のじゃま板を有すると共にガスの出口を備え、底蓋体は容器本体内において上記第1のじゃま板と交互に左右、上下にジグザグなブローバイガスの通路を形成する複数の第2のじゃま板を有し、シリンダヘッドカバーの側壁に近い位置にガスの入口を備え、かつオイルのドレン通孔を有するオイルの分離装置において、底蓋体の中央部から下側に突出しガスの入口の全体をおおってシリンダヘッドカバーの側壁に向って延びる囲い枠体を設け、その開口端の両側及び下側に張り出すつば片を設けたことを特徴とするブロバイガスにおけるオイルの分離装置。 1. A consists bottom lid lower surface formed in an upper portion of the cylinder head cover is fixed to the container body and the lower surface thereof open, predetermined volume, the first baffle container body a plurality of depending from the top wall an outlet of gas together with a Sokofutatai left and right alternately with the first baffle plate in the container main body, having a plurality of second baffle plate forming a passage zigzag blow-by gas in the vertical, an inlet of gas at a position closer to the side wall of the cylinder head cover, and in the separation device of an oil having a drain hole of the oil, the cylinder head cover covers the entire entrance of the protruded gas downward from the central portion of Sokofutatai provided surrounding frame body extending toward the side wall, the oil separator in Burobaigasu characterized in that a flange piece projecting on either side and below the open end thereof.
JP10217918A 1998-07-31 1998-07-31 Oil separator for blow-by gas Pending JP2000045749A (en)

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