JPH09177532A - Oil separator and engine driven power unit utilizing it - Google Patents
Oil separator and engine driven power unit utilizing itInfo
- Publication number
- JPH09177532A JPH09177532A JP7340991A JP34099195A JPH09177532A JP H09177532 A JPH09177532 A JP H09177532A JP 7340991 A JP7340991 A JP 7340991A JP 34099195 A JP34099195 A JP 34099195A JP H09177532 A JPH09177532 A JP H09177532A
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- blow
- gas
- engine
- oil separator
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/08—Separating lubricant from air or fuel-air mixture before entry into cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、エンジンの燃焼室
からクランク室に漏れ出たブローバイガスに含まれるオ
イル成分を分離するオイルセパレータに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil separator for separating an oil component contained in blow-by gas leaking from a combustion chamber of an engine into a crank chamber.
【０００２】[0002]
【従来の技術】エンジンの燃焼室からクランク室には、
一般にブローバイガスと呼ばれている燃焼ガスや未燃焼
ガスがシリンダとピストンとの間隙を通って漏れ込んで
おり、自動車やヒートポンプ空調装置の圧縮機を回転駆
動するエンジンなどでは、エネルギー効率の改善や排ガ
ス規制の観点から、このブローバイガスを吸気通路に還
流して混合気と共に燃焼室で再度燃焼させるように構成
すると共に、ブローバイガスの還流通路の途中にはブロ
ーバイガスに含まれるオイル成分、すなわち、オイルミ
ストを分離除去するためのオイルセパレータが設置され
ている。2. Description of the Related Art From the engine combustion chamber to the crank chamber,
Combustion gas and unburned gas, generally called blow-by gas, leaks through the gap between the cylinder and the piston, which improves energy efficiency in automobiles and engines that drive the compressor of heat pump air conditioners to rotate. From the viewpoint of exhaust gas regulation, this blow-by gas is recirculated to the intake passage and is configured to be burned again in the combustion chamber together with the air-fuel mixture, and an oil component contained in the blow-by gas in the middle of the blow-by gas return passage, that is, An oil separator is installed to separate and remove the oil mist.
【０００３】エンジンと別体に形成するオイルセパレー
タとしては、例えば図５に示した構造のオイルセパレー
タが知られている。図中７１はオイルセパレータの本体
であり、この内部には電熱式のヒータ７２と、温度検出
手段７３と、オイルミストを吸着させて液状化させるた
めの図示しない綿状繊維を収納している。As an oil separator formed separately from the engine, for example, an oil separator having a structure shown in FIG. 5 is known. Reference numeral 71 in the figure denotes a main body of an oil separator, in which an electric heater 72, a temperature detecting means 73, and cotton fibers (not shown) for adsorbing and liquefying oil mist are stored.
【０００４】そして、オイルセパレータ本体７１にはガ
ス流入口７４を通って入り、ガス排出口７５を通って排
出するように構成すると共に、ブローバイガスから分離
したオイルを排出する排出口７６を底部側に設け、且
つ、熱伝導率の低い断熱部材７７によって全体を被覆
し、温度検出手段７３によって内部温度を計測しながら
ヒータ７２に通電することで、内部を所定の温度に維持
し、ブローバイガスから分離したオイルが排出口７６か
ら排出され易くしている。The oil separator main body 71 is configured to enter through the gas inflow port 74 and be discharged through the gas exhaust port 75, and an exhaust port 76 for exhausting the oil separated from the blow-by gas is provided on the bottom side. , And the whole is covered with a heat insulating member 77 having a low heat conductivity, and the heater 72 is energized while the internal temperature is measured by the temperature detecting means 73, so that the inside is maintained at a predetermined temperature and blow-by gas is removed. The separated oil is easily discharged from the discharge port 76.
【０００５】[0005]
【発明が解決しようとする課題】しかし、上記構成の従
来のオイルセパレータは、電熱式のヒータによって内部
を所定の温度に維持する構成であるため、部品点数が多
くなり、組み立てに時間が掛かってコスト高になると云
った問題点と、雨水や冷却水が掛かると漏電の恐れもあ
るなど、問題点が多く、これら問題点の解決が課題とな
っていた。However, since the conventional oil separator having the above-mentioned structure has a structure in which the internal temperature is maintained at a predetermined temperature by an electric heater, the number of parts is large and it takes a long time to assemble. There are many problems, such as high cost, and the possibility of electrical leakage if rainwater or cooling water is splashed, and the solution to these problems has been a problem.
【０００６】[0006]
【課題を解決するための手段】この発明は、上記のよう
なエンジンの燃焼室からクランク室に漏れ出たブローバ
イガスに含まれるオイル成分を分離するオイルセパレー
タにおいて、The present invention provides an oil separator for separating an oil component contained in blow-by gas leaking from a combustion chamber of an engine into a crank chamber as described above,
【０００７】一端の流入口が前記クランク室に連通し、
他端の排出口が前記燃焼室に連通したブローバイガス流
路と、エンジンの冷却水が流れる冷却水流路と、を隣接
して備えるようにした第１の構成のオイルセパレータ
と、An inlet at one end communicates with the crank chamber,
An oil separator having a first configuration in which a blow-by gas flow path in which the exhaust port at the other end communicates with the combustion chamber and a cooling water flow path through which cooling water for the engine flows are provided adjacent to each other,
【０００８】前記第１の構成のオイルセパレータにおい
て、ブローバイガス流路を内側に、冷却水流路を外側に
設けるようにした第２の構成のオイルセパレータと、In the oil separator of the first construction, the oil separator of the second construction, in which the blow-by gas passage is provided inside and the cooling water passage is provided outside,
【０００９】前記第１または第２の構成のオイルセパレ
ータにおいて、ブローバイガスの流入口と、分離したオ
イルの排出口を下部側に設けると共に、ブローバイガス
の排出口を上部側に設けるようにした第３の構成のオイ
ルセパレータと、In the oil separator of the first or second construction, the blow-by gas inlet and the separated oil discharge port are provided on the lower side, and the blow-by gas discharge port is provided on the upper side. An oil separator having a configuration of 3,
【００１０】前記第１または第２の構成のオイルセパレ
ータにおいて、傾斜して設置すると共に、長さ方向の下
部側にブローバイガスの流入口と、分離したオイルの排
出口を設け、長さ方向の上部側にブローバイガスの排出
口を設けるようにした第４の構成のオイルセパレータ
と、In the oil separator of the first or second construction, the oil separator is installed so as to be inclined, and a blow-by gas inflow port and a separated oil discharge port are provided on the lower side in the lengthwise direction so as to extend in the lengthwise direction. An oil separator having a fourth configuration in which a blow-by gas outlet is provided on the upper side,
【００１１】前記第２の構成のオイルセパレータにおい
て、水平に設置した外管と、この外管の内部に傾斜して
設置した内管との間に冷却水流路を形成すると共に、長
さ方向の下部側にブローバイガスの流入口と、分離した
オイルの排出口を設け、長さ方向の上部側にブローバイ
ガスの排出口を設けるようにした第５の構成のオイルセ
パレータと、In the oil separator of the second structure, a cooling water flow path is formed between an outer pipe horizontally installed and an inner pipe installed slantingly inside the outer pipe, and at the same time, a cooling water flow path is formed. An oil separator having a fifth configuration in which a blow-by gas inlet and a separated oil discharge port are provided on the lower side and a blow-by gas discharge port is provided on the upper side in the length direction,
【００１２】冷却水がエンジンから奪った熱を放熱器で
放熱して前記エンジンに還流する冷却水回路の還流側配
管に排ガスとの熱交換を行う排ガス熱交換器を備えるよ
うに構成して被駆動装置を前記エンジンの動力により駆
動するエンジン駆動動力装置において、前記排ガス熱交
換器から排出する冷却水の一部が、オイルセパレータの
ブローバイガス流路に隣接して設けられた冷却水流路を
経由して、前記冷却水回路のエンジン出口側配管に流入
可能に配管接続するようにしたエンジン駆動動力装置
と、を提供することにより、上記の課題を解決し得るよ
うにしたものである。[0012] An exhaust gas heat exchanger for exchanging heat with the exhaust gas is provided in the circulation side pipe of the cooling water circuit for radiating the heat taken by the cooling water from the engine by the radiator and returning it to the engine. In an engine drive power device that drives a drive device with the power of the engine, a part of the cooling water discharged from the exhaust gas heat exchanger passes through a cooling water passage provided adjacent to a blow-by gas passage of an oil separator. Then, by providing an engine driving power unit that is connected to the engine outlet side pipe of the cooling water circuit so as to be able to flow in, the above problems can be solved.
【００１３】[0013]
【発明の実施の形態】以下、図面に基づいて本発明の実
施形態を説明する。図１は本発明になるオイルセパレー
タ１の第１の実施形態を示す説明図であり、このオイル
セパレータは、外管３の下端側を除く部分に内管５を挿
入すると共に、内管５の上下両端部分を外管３の内面に
溶接し、外管３と内管５との間に冷却水通路７を形成す
る。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing a first embodiment of an oil separator 1 according to the present invention. In this oil separator, an inner pipe 5 is inserted into a portion of the outer pipe 3 excluding a lower end side thereof, and Both upper and lower ends are welded to the inner surface of the outer pipe 3 to form a cooling water passage 7 between the outer pipe 3 and the inner pipe 5.
【００１４】そして、この冷却水通路７には外管３の下
部側に設ける冷却水入口７Ａから冷却水が流入し、冷却
水通路７を通って上昇した冷却水が外管３の上部側に設
ける冷却水出口７Ｂから流出するように構成する。Cooling water flows into the cooling water passage 7 from a cooling water inlet 7A provided on the lower side of the outer pipe 3, and the cooling water rising through the cooling water passage 7 goes to the upper side of the outer pipe 3. The cooling water outlet 7B is provided so as to flow out.
【００１５】また、外管３の下部側開口端はガス流入口
９Ａを備えた底板１１によって封止すると共に、外管３
の上部側開口端はガス排出口９Ｂを備えた天板１３によ
って封止し、ブローバイガスが下から入って上に抜ける
ブローバイガス流路９を形成する。底板１１は、オイル
漏れしないように、外管３に溶接により固着したり、ゴ
ムや皮、或いは合成樹脂などの適宜のパッキンを介在さ
せて、ねじにより着脱自在に取り付けるように構成して
も良い。一方、天板１３は、内部の清掃をし易くするた
め、外管３に着脱自在に取り付ける。The lower open end of the outer tube 3 is sealed by a bottom plate 11 having a gas inlet 9A, and the outer tube 3 is closed.
The upper open end of is sealed by a top plate 13 having a gas discharge port 9B to form a blow-by gas flow passage 9 through which blow-by gas enters from below and exits above. The bottom plate 11 may be configured to be fixed to the outer tube 3 by welding so as to prevent oil leakage, or to be detachably attached by screws with an appropriate packing such as rubber, leather, or synthetic resin interposed. . On the other hand, the top plate 13 is detachably attached to the outer tube 3 in order to facilitate cleaning of the inside.
【００１６】さらに、外管３の底部側には、ブローバイ
ガス流路９に連通するオイル排出口１５を設ける。Further, an oil discharge port 15 communicating with the blow-by gas passage 9 is provided on the bottom side of the outer pipe 3.
【００１７】また、ブローバイガス流路９が広く、冷却
水通路７が狭くなるよう、外管３と内管５の直径を選定
すると共に、図示しない綿状繊維をブローバイガス流路
９、具体的には内管５の内側に適宜の骨組みを設けて配
設する。Further, the diameters of the outer pipe 3 and the inner pipe 5 are selected so that the blow-by gas passage 9 is wide and the cooling water passage 7 is narrow, and cotton fibers (not shown) are used as blow-by gas passage 9, specifically. Is provided with an appropriate frame inside the inner tube 5.
【００１８】上記構成のオイルセパレータ１は、図１の
ように立設して使用する他、図２に示すように、傾けて
設置して使用することもできる。このように傾斜して設
置することにより、単に水平に横置きする場合より、ブ
ローバイガス流路９でブローバイガスから分離されたオ
イルがオイル排出口１５側に流れ易くなる。The oil separator 1 having the above-described structure can be installed upright as shown in FIG. 1 and can also be installed while being tilted as shown in FIG. By installing in such an inclined manner, the oil separated from the blow-by gas in the blow-by gas passage 9 can easily flow to the oil discharge port 15 side, as compared with the case of simply horizontally setting it horizontally.
【００１９】また、横置きして使用するオイルセパレー
タ１Ａにおいては、外管３は水平に設置し、この外管内
に設置する内管５をガス排出口９Ｂ側が高くなるように
傾斜して設置する。このように構成することによって、
ブローバイガス流路９でブローバイガスから分離された
オイルがオイル排出口１５から排出され易くなる。Further, in the oil separator 1A used horizontally, the outer tube 3 is installed horizontally, and the inner tube 5 installed in this outer tube is installed so as to be inclined so that the gas exhaust port 9B side becomes higher. . With this configuration,
The oil separated from the blow-by gas in the blow-by gas passage 9 is easily discharged from the oil discharge port 15.
【００２０】上記構成のオイルセパレータ１・１Ａは、
図４に示したように、エンジン５１の冷却水回路６０を
流れる冷却水の一部が冷却水通路７を流れるように配管
接続して使用する。The oil separator 1.1A having the above structure is
As shown in FIG. 4, a part of the cooling water flowing through the cooling water circuit 60 of the engine 51 is connected by piping so as to flow through the cooling water passage 7.
【００２１】５５は、冷却水回路６０の冷却水を強制循
環させるためのポンプであり、エンジン５１から熱を奪
って出た冷却水がサーモバルブ５２によって、放熱器５
３を経由する回路と、この放熱器５３をバイパスする回
路とに分岐したのち合流して、エンジン５１の排ガスと
熱交換するガス熱交換器５６に流入し、その後、エンジ
ン５１に還流する回路と、排ガス熱交換器５６のエア抜
き回路とに分岐し、このエア抜き回路を流れる冷却水が
オイルセパレータ１・１Ａの冷却水通路７を流れたの
ち、エンジン５１をバイパスするように配管接続する。Reference numeral 55 is a pump for forcibly circulating the cooling water in the cooling water circuit 60, and the cooling water that has taken away heat from the engine 51 is discharged to the radiator 5 by the thermo valve 52.
3 and a circuit that bypasses the radiator 53, merge and merge into the gas heat exchanger 56 that exchanges heat with the exhaust gas of the engine 51, and then return to the engine 51. After branching to the air vent circuit of the exhaust gas heat exchanger 56 and the cooling water flowing through the air vent circuit flowing through the cooling water passage 7 of the oil separator 1 · 1A, the engine 51 is piped so as to be bypassed.
【００２２】サーモバルブ５２は、エンジン起動後の冷
却水温度が低いとき、例えば水温が７０℃以下のときに
は冷却水の全量が放熱器５３をバイパスし、７０℃を越
えると放熱器５３の側に冷却水が流れ始め、８０℃で冷
却水の全量が放熱器５３の側に流れるように機能するも
のである。また、５４は放熱器５３に冷却用の空気を送
るファンであり、例えばサーモバルブ５２が冷却水を放
熱器５３の側に流しているときにのみ起動するように構
成する。The thermo valve 52 bypasses the radiator 53 when the temperature of the cooling water after the engine is started is low, for example, when the temperature of the water is 70 ° C. or lower, and when the temperature exceeds 70 ° C., the thermo valve 52 is placed on the side of the radiator 53. The cooling water starts to flow, and at 80 ° C., the entire amount of the cooling water functions to flow to the radiator 53 side. Further, 54 is a fan that sends cooling air to the radiator 53, and is configured to be activated only when, for example, the thermo valve 52 is flowing cooling water to the radiator 53 side.
【００２３】したがって、上記構成のオイルセパレータ
１・１Ａおよびそれを利用したエンジン駆動動力装置に
おいては、オイルセパレータをヒータで加熱したり、断
熱部材によって被覆しなくても、排ガス熱交換器５６で
エンジン５１の排ガスと熱交換して、例えば７０〜８０
℃程度に温度上昇した冷却水が冷却水通路７に流入して
加熱されるため、ブローバイガス流路９の綿状繊維に吸
着されて液状化した、ブローバイガスに含まれていたオ
イルは、高温に維持されその粘性が低下するので、オイ
ル排出口１５から容易に排出される。また、電気部品を
使用していないので、雨水や冷却水が掛かっても漏電す
る恐れもない。Therefore, in the oil separators 1 and 1A having the above structure and the engine driving power unit using the oil separators 1 and 1A, even if the oil separator is not heated by the heater or is not covered with the heat insulating member, the exhaust gas heat exchanger 56 is used for the engine. Heat exchange with the exhaust gas of 51, for example, 70-80
Since the cooling water whose temperature has risen to about ℃ flows into the cooling water passage 7 and is heated, the oil contained in the blow-by gas adsorbed to the cotton-like fibers in the blow-by gas passage 9 and liquefied is The oil is discharged from the oil discharge port 15 because the viscosity is maintained at the above value. Further, since no electric parts are used, there is no risk of electric leakage even if rain water or cooling water is splashed.
【００２４】なお、本発明は上記実施の形態例に限定さ
れるものではないので、特許請求の範囲に記載の趣旨か
ら逸脱しない範囲で各種の変形実施が可能である。Since the present invention is not limited to the above-described embodiments, various modifications can be made without departing from the spirit of the claims.
【００２５】例えば、オイル排出口１５は、図１の破線
で示したように底板１１に設けることもできる。このよ
うに構成する場合には、内管５の下端を外管３の下端の
位置まで延設しても良い。For example, the oil discharge port 15 can be provided in the bottom plate 11 as shown by the broken line in FIG. In the case of such a configuration, the lower end of the inner pipe 5 may be extended to the position of the lower end of the outer pipe 3.
【００２６】[0026]
【発明の効果】上記したように本発明のオイルセパレー
タとそれを利用したエンジン駆動動力装置によれば、オ
イルセパレータをヒータで加熱したり、断熱部材によっ
て被覆しなくても、エンジンの冷却水回路から例えば７
０〜８０℃程度に温度上昇した冷却水が、オイルセパレ
ータの冷却水通路を流れて加熱するため、ブローバイガ
ス流路で綿状繊維などに吸着されて液状化した、ブロー
バイガスに含まれていたオイルは、高温に維持されてそ
の粘性が低下するので、オイル排出口から容易に排出さ
れる。As described above, according to the oil separator of the present invention and the engine driving power unit using the same, even if the oil separator is not heated by a heater or covered with a heat insulating member, a cooling water circuit for the engine is provided. From eg 7
Since the cooling water whose temperature has risen to about 0 to 80 ° C. flows through the cooling water passage of the oil separator to heat it, it is contained in the blow-by gas which is adsorbed to the cotton-like fibers and liquefied in the blow-by gas flow path. The oil is maintained at a high temperature and its viscosity is lowered, so that the oil is easily discharged from the oil discharge port.
【００２７】このため、部品点数の減少による低コスト
化と生産性の向上が図れると共に、この部分に電気部品
を使用していないので、雨水や冷却水が掛かっても漏電
する恐れがなくなった。Therefore, the cost can be reduced and the productivity can be improved by reducing the number of parts, and since electric parts are not used in this part, there is no fear of electric leakage even if rain water or cooling water is splashed.
【図１】立設して使用するオイルセパレータの説明図で
ある。FIG. 1 is an explanatory diagram of an oil separator that is used upright.
【図２】傾斜して使用するオイルセパレータの説明図で
ある。FIG. 2 is an explanatory view of an oil separator used while being inclined.
【図３】横置きして使用するオイルセパレータの説明図
である。FIG. 3 is an explanatory diagram of an oil separator used horizontally.
【図４】エンジン駆動動力装置の説明図である。FIG. 4 is an explanatory diagram of an engine driving power unit.
【図５】従来技術の説明図である。FIG. 5 is an explanatory diagram of a conventional technique.
１・１Ａ オイルセタレータ ３ 外管 ５ 内管 ７ 冷却水通路 ７Ａ 冷却水入口 ７Ｂ 冷却水出口 ９ ブローバイガス流路 ９Ａ ガス流入口 ９Ｂ ガス排出口 １１ 底板 １３ 天板 １５ オイル排出口 ５１ エンジン ５２ サーモバルブ ５３ 放熱器 ５４ ファン ５５ ポンプ ５６ 排ガス熱交換器 ６０ 冷却水回路 1.1A Oil setter 3 Outer pipe 5 Inner pipe 7 Cooling water passage 7A Cooling water inlet 7B Cooling water outlet 9 Blow-by gas flow passage 9A Gas inlet 9B Gas outlet 11 Bottom plate 13 Top plate 15 Oil outlet 51 Engine 52 Thermo Valve 53 Radiator 54 Fan 55 Pump 56 Exhaust gas heat exchanger 60 Cooling water circuit
Claims (6)
出たブローバイガスに含まれるオイル成分を分離するオ
イルセパレータであって、一端の流入口が前記クランク
室に連通し、他端の排出口が前記燃焼室に連通したブロ
ーバイガス流路と、エンジンの冷却水が流れる冷却水流
路と、を隣接して備えたことを特徴とするオイルセパレ
ータ。1. An oil separator for separating an oil component contained in blow-by gas leaking from a combustion chamber of an engine into a crank chamber, wherein an inlet at one end communicates with the crank chamber and an outlet at the other end. An oil separator comprising: a blow-by gas passage communicating with the combustion chamber; and a cooling water passage through which engine cooling water flows, which are adjacent to each other.
冷却水流路が外側に設けられたことを特徴とする請求項
１記載のオイルセパレータ。2. A blow-by gas passage is provided inside,
The oil separator according to claim 1, wherein the cooling water channel is provided outside.
イルの排出口が下部側に設けられ、ブローバイガスの排
出口が上部側に設けられたことを特徴とする請求項１ま
たは２記載のオイルセパレータ。3. The oil according to claim 1, wherein the blow-by gas inlet and the separated oil outlet are provided on the lower side, and the blow-by gas outlet is provided on the upper side. Separator.
下部側にブローバイガスの流入口と、分離したオイルの
排出口が設けられ、長さ方向の上部側にブローバイガス
の排出口が設けられたことを特徴とする請求項１または
２記載のオイルセパレータ。4. The blow-by gas outlet is provided on the lower side in the lengthwise direction and the blow-by gas inlet and the separated oil outlet are provided at the lower side in the lengthwise direction, and the blow-by gas outlet is provided on the upper side in the longitudinal direction. The oil separator according to claim 1, wherein the oil separator is provided.
に傾斜して設置した内管との間に冷却水流路が形成され
ると共に、長さ方向の下部側にブローバイガスの流入口
と、分離したオイルの排出口が設けられ、長さ方向の上
部側にブローバイガスの排出口が設けられたことを特徴
とする請求項２記載のオイルセパレータ。5. A cooling water flow path is formed between an outer pipe horizontally installed and an inner pipe installed slantingly inside the outer pipe, and a blow-by gas flow is provided on a lower side in the longitudinal direction. The oil separator according to claim 2, wherein an inlet and a separate oil discharge port are provided, and a blow-by gas discharge port is provided on the upper side in the lengthwise direction.
で放熱して前記エンジンに還流する冷却水回路の還流側
配管に排ガスとの熱交換を行う排ガス熱交換器を備える
ように構成して被駆動装置を前記エンジンの動力により
駆動するエンジン駆動動力装置において、前記排ガス熱
交換器から排出する冷却水の一部が、オイルセパレータ
のブローバイガス流路に隣接して設けられた冷却水流路
を経由して、前記冷却水回路のエンジン出口側配管に流
入可能に配管接続されたことを特徴とするエンジン駆動
動力装置。6. An exhaust gas heat exchanger for exchanging heat with exhaust gas is provided in a circulation side pipe of a cooling water circuit, which radiates heat taken by the cooling water from the engine by a radiator and returns the heat to the engine. In the engine drive power device for driving the driven device by the power of the engine, a part of the cooling water discharged from the exhaust gas heat exchanger is provided in the cooling water passage adjacent to the blow-by gas passage of the oil separator. An engine driving power unit, which is connected to the engine outlet side pipe of the cooling water circuit via a pipe so as to be able to flow in.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7340991A JPH09177532A (en) | 1995-12-27 | 1995-12-27 | Oil separator and engine driven power unit utilizing it |
| KR1019960072083A KR970032950A (en) | 1995-12-27 | 1996-12-26 | Oil Separator and Engine Driven Air Conditioner Using the Same |
| CN96123611A CN1070428C (en) | 1995-12-27 | 1996-12-27 | Oil separator and engine driven type air conditioner using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7340991A JPH09177532A (en) | 1995-12-27 | 1995-12-27 | Oil separator and engine driven power unit utilizing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09177532A true JPH09177532A (en) | 1997-07-08 |
Family
ID=18342197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7340991A Pending JPH09177532A (en) | 1995-12-27 | 1995-12-27 | Oil separator and engine driven power unit utilizing it |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH09177532A (en) |
| KR (1) | KR970032950A (en) |
| CN (1) | CN1070428C (en) |
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|---|---|---|---|---|
| CN101581241A (en) * | 2009-06-12 | 2009-11-18 | 奇瑞汽车股份有限公司 | Oil and gas separating device |
| WO2013129496A1 (en) * | 2012-02-27 | 2013-09-06 | ナブテスコオートモーティブ 株式会社 | Oil separator |
| WO2013129495A1 (en) * | 2012-02-27 | 2013-09-06 | ナブテスコオートモーティブ 株式会社 | Oil separator |
| JP2014163326A (en) * | 2013-02-26 | 2014-09-08 | Nabtesco Automotive Corp | Oil separator |
| CN105241137A (en) * | 2015-09-18 | 2016-01-13 | 江苏盛世机电工程有限公司 | Heat pump oil-gas separator capable of being used both in winter and summer |
| US9533246B2 (en) | 2012-07-02 | 2017-01-03 | Nabtesco Automotive Corporation | Oil separator |
| CN106568635A (en) * | 2015-10-10 | 2017-04-19 | 中国石化扬子石油化工有限公司 | Circulating water and low-concentration combustible gas rapid separation catcher and method for combustible gas detection by using rapid separation catcher |
| US9656198B2 (en) | 2012-02-27 | 2017-05-23 | Nabtesco Automotive Corporation | Oil separator |
| US9890675B2 (en) | 2012-05-10 | 2018-02-13 | Nabtesco Automotive Corporation | Oil separator |
| CN115163254A (en) * | 2022-07-04 | 2022-10-11 | 神通科技集团股份有限公司 | Fiber cotton structure of active oil-gas separator and preparation method thereof |
| CN116255225A (en) * | 2023-03-20 | 2023-06-13 | 重庆长安汽车股份有限公司 | Engine assembly, vehicle and method for reducing engine oil dilution |
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| KR100283214B1 (en) * | 1997-12-23 | 2001-07-12 | 정몽규 | Oil level measuring device included in blow-by gas |
| DE102006054956B4 (en) * | 2006-11-22 | 2015-12-03 | Man Diesel & Turbo Se | Internal combustion engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796053A (en) * | 1972-02-28 | 1974-03-12 | Thermo Electron Corp | Lubricant separation system |
| DE3690725T1 (en) * | 1986-04-30 | 1988-04-21 | ||
| SE463380B (en) * | 1988-07-08 | 1990-11-12 | Olson Ref H Olson Refrigeratio | MIDDLE COOLING DEVICE WITH OIL SEPARATOR AT REFRIGERATING AND COLD FACILITIES |
| US4962745A (en) * | 1988-10-04 | 1990-10-16 | Toyota Jidosha Kabushiki Kaisha | Fuel supply device of an engine |
| DK162464C (en) * | 1989-03-30 | 1992-03-23 | Aage Bisgaard Winther | OIL, AIR AND FOREIGN EXHAUSTS FOR COOLING SYSTEMS |
| US5001908A (en) * | 1990-02-23 | 1991-03-26 | Thermo King Corporation | Oil separator for refrigeration apparatus |
| US5016447A (en) * | 1990-05-02 | 1991-05-21 | Carrier Corporation | Oil return for a two-stage compressor having interstage cooling |
| DE4119794A1 (en) * | 1991-06-15 | 1992-12-17 | Mtu Friedrichshafen Gmbh | Oil separator for IC engine - removes oil mist from intake air and has heated wall to vaporise part of oil |
-
1995
- 1995-12-27 JP JP7340991A patent/JPH09177532A/en active Pending
-
1996
- 1996-12-26 KR KR1019960072083A patent/KR970032950A/en not_active Application Discontinuation
- 1996-12-27 CN CN96123611A patent/CN1070428C/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN101581241A (en) * | 2009-06-12 | 2009-11-18 | 奇瑞汽车股份有限公司 | Oil and gas separating device |
| US9656198B2 (en) | 2012-02-27 | 2017-05-23 | Nabtesco Automotive Corporation | Oil separator |
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| WO2013129495A1 (en) * | 2012-02-27 | 2013-09-06 | ナブテスコオートモーティブ 株式会社 | Oil separator |
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| CN105241137A (en) * | 2015-09-18 | 2016-01-13 | 江苏盛世机电工程有限公司 | Heat pump oil-gas separator capable of being used both in winter and summer |
| CN106568635A (en) * | 2015-10-10 | 2017-04-19 | 中国石化扬子石油化工有限公司 | Circulating water and low-concentration combustible gas rapid separation catcher and method for combustible gas detection by using rapid separation catcher |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1167050A (en) | 1997-12-10 |
| KR970032950A (en) | 1997-07-22 |
| CN1070428C (en) | 2001-09-05 |
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