JP2006348940A - Exhaust-driven supercharger of internal combustion engine - Google Patents

Exhaust-driven supercharger of internal combustion engine Download PDF

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Publication number
JP2006348940A
JP2006348940A JP2006164428A JP2006164428A JP2006348940A JP 2006348940 A JP2006348940 A JP 2006348940A JP 2006164428 A JP2006164428 A JP 2006164428A JP 2006164428 A JP2006164428 A JP 2006164428A JP 2006348940 A JP2006348940 A JP 2006348940A
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Prior art keywords
inlet chamber
exhaust
cleaning nozzle
turbine
internal combustion
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JP2006164428A
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JP5063937B2 (en
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Michael Spengler
シュプレングラー ミヒァエル
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MAN Energy Solutions France SAS
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MAN Diesel SA
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/002—Cleaning of turbomachines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16—Other safety measures for, or other control of, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Exhaust Silencers (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exhaust-driven supercharger of an internal combustion engine comprising a turbine expanding an exhaust gas flow from the engine of the internal combustion engine and a compressor for compressing a combustion air flow to be supplied to the engine of the internal combustion engine, and having an inlet chamber 10 formed as a bend to introduce the exhaust gas flow to be expanded in the turbine into a turbine rotor, and a washing nozzle installed in the inlet chamber 10 to supply a washing medium to the inlet chamber 10 at a low engine load operating point. <P>SOLUTION: The washing nozzle is disposed on a line or a straight line aligned with the rotating axis 14 of the turbine rotor. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は請求項１の前文に記載の内燃機関の排気駆動過給機に関する。   The present invention relates to an exhaust-drive supercharger for an internal combustion engine according to the preamble of claim 1.

内燃機関の効率を高めるために、内燃機関に排気駆動過給機を装備することが既に従来において知られている。排気駆動過給運転ないしターボチャージ運転の場合、エンジンから出る排気ガスが排気駆動過給機のタービンにおいて膨張され、その際、タービンがエンジンに供給すべき燃焼空気を圧縮する圧縮機を駆動する。その圧縮済み燃焼空気を所定の温度に冷却するために、排気駆動過給機の圧縮機とエンジンとの間にインタクーラ（過給空気冷却器）が挿入接続されている。そのような排気駆動過給運転ないしターボチャージ運転によって、内燃機関の効率が向上される。   In order to increase the efficiency of an internal combustion engine, it is already conventionally known to equip an internal combustion engine with an exhaust-drive supercharger. In the case of the exhaust drive supercharging operation or the turbo charge operation, the exhaust gas emitted from the engine is expanded in the turbine of the exhaust drive supercharger, and the turbine drives a compressor that compresses the combustion air to be supplied to the engine. In order to cool the compressed combustion air to a predetermined temperature, an intercooler (supercharged air cooler) is inserted and connected between the compressor of the exhaust drive supercharger and the engine. The efficiency of the internal combustion engine is improved by such an exhaust drive supercharging operation or turbocharge operation.

排気駆動過給機のタービンは、タービン内で膨張すべきエンジンの排気ガス流をタービンロータに導入するために、入口室（流入ハウジング）を利用している。二サイクルエンジンの場合、その入口室はベンド（曲がり管）として形成される。タービン内で膨張された排気ガス流は排気室（流出ハウジング）を通してタービンから排出される。排気駆動過給機を洗浄するために、従来実際に、低いエンジン負荷運転点で排気駆動過給機の入口室に洗浄媒体を導入することが知られ、そのために、実際に１つあるいは複数の洗浄ノズルが用いられる。それらの洗浄ノズルは従来において入口室に不定位置ないし任意位置に付設されている。このために、洗浄ノズルの具体的位置に関係して、種々の配管敷設が必要である。   The turbine of an exhaust drive supercharger utilizes an inlet chamber (inflow housing) to introduce an exhaust gas flow of an engine to be expanded in the turbine into the turbine rotor. In the case of a two-cycle engine, the inlet chamber is formed as a bend. The exhaust gas stream expanded in the turbine is exhausted from the turbine through an exhaust chamber (outflow housing). In order to clean the exhaust-driven supercharger, it is conventionally known to introduce a cleaning medium into the inlet chamber of the exhaust-driven supercharger in practice, at a low engine load operating point, so that actually one or more A cleaning nozzle is used. These cleaning nozzles are conventionally attached to the inlet chamber at an indefinite or arbitrary position. For this reason, various piping laying is necessary in relation to the specific position of the cleaning nozzle.

上述の点から出発して、本発明の課題は、内燃機関の新しい排気駆動過給機を提供することにある。   Starting from the above points, an object of the present invention is to provide a new exhaust-drive supercharger for an internal combustion engine.

この課題は請求項１に記載の内燃機関の排気駆動過給機によって解決される。本発明に基づいて、洗浄ノズルが、タービンロータの回転軸線と一致する線上ないし直線上に配置されている。   This problem is solved by the exhaust-drive supercharger for an internal combustion engine according to claim 1. According to the invention, the cleaning nozzle is arranged on a line or a straight line that coincides with the rotational axis of the turbine rotor.

本発明の目的において、洗浄ノズルを入口室に所定の位置に付設すること、詳しくは、タービンロータないし排気駆動過給機の延長回転軸線が入口室ないしベンドの壁と交差する位置に付設することを提案する。それに応じて、洗浄ノズルは、タービンロータの回転軸線と一致する線上ないし直線上に配置され、即ち、その直線が入口室の壁と交差する場所に配置されている。これによって、ベンドとして形成された入口室の角度位置に相当するいわゆる接続短管位置に無関係に、洗浄ノズルに対する常に同じ接続管敷設を利用することが可能となる。   For the purpose of the present invention, the cleaning nozzle is attached to the inlet chamber at a predetermined position, more specifically, the extended rotation axis of the turbine rotor or the exhaust drive supercharger is attached to the inlet chamber or the bend wall. Propose. Accordingly, the cleaning nozzle is arranged on a line or straight line that coincides with the axis of rotation of the turbine rotor, i.e., where the straight line intersects the wall of the inlet chamber. This makes it possible to always use the same connecting pipe laying for the cleaning nozzle, irrespective of the so-called connecting short pipe position corresponding to the angular position of the inlet chamber formed as a bend.

本発明の有利な実施態様において、入口室に、タービンロータの回転軸線と一致する線上ないし直線上に配置された唯一の洗浄ノズルが付設されている。その場合、洗浄媒体を入口室に流入する洗浄ノズルの出口領域ないし出口孔は、入口室の内面に対してほぼ垂直に延びている。洗浄ノズルの出口領域ないし出口孔の長手軸線および洗浄ノズルが配置された延長回転軸線は、入口室に注入された洗浄媒体が入口室を貫流する排気ガス流によって転向された後で入口室のバルブ形デフレクタに衝突するように、互いに角度を成している。その角度は好適には３０°〜３５°である。   In a preferred embodiment of the invention, the inlet chamber is provided with a single cleaning nozzle which is arranged on a line or a straight line that coincides with the rotational axis of the turbine rotor. In that case, the outlet region or outlet hole of the cleaning nozzle for flowing the cleaning medium into the inlet chamber extends substantially perpendicular to the inner surface of the inlet chamber. The longitudinal axis of the outlet region or outlet hole of the cleaning nozzle and the extended rotational axis in which the cleaning nozzle is arranged are the valves of the inlet chamber after the cleaning medium injected into the inlet chamber is turned by the exhaust gas flow flowing through the inlet chamber They are angled with respect to each other so as to collide with the shape deflector. The angle is preferably 30 ° to 35 °.

本発明の有利な実施態様は従属請求項および以下の説明から理解できる。次に図を参照して本発明の実施例を詳細に説明するが、本発明はこれに限定されるものではない。   Advantageous embodiments of the invention can be seen from the dependent claims and the following description. Next, examples of the present invention will be described in detail with reference to the drawings, but the present invention is not limited to these.

以下図１〜図３を参照して本発明を詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to FIGS.

図１には、排気駆動過給機のいわゆる９０°ベンド（曲がり管）として形成された入口室（流入ハウジング）１０が断面図で示されている。その場合、排気ガス流が入口開口１１を通して入口室１０に導入され９０°転向されて入口室１０のバルブ（電球）形デフレクタ１２に到達する。バルブ形デフレクタ１２の領域において、排気ガス流はもう一度転向され、いわゆる環状ノズル１３を通して、バルブ形デフレクタ１２の下流側に位置された排気駆動過給機のタービンロータ（図示せず）に向けて導かれる。タービンロータの領域で膨張された排気ガスは、入口室１０につながる排気室（図示せず）を通して排気駆動過給機から排出される。タービンロータについてその回転軸線１４しか示されていない。そのタービンロータは軸を介して排気駆動過給機の圧縮機ロータに連結され、この圧縮機ロータを駆動する。   FIG. 1 shows a sectional view of an inlet chamber (inflow housing) 10 formed as a so-called 90 ° bend (bent tube) of an exhaust-driven supercharger. In that case, the exhaust gas flow is introduced into the inlet chamber 10 through the inlet opening 11 and turned 90 ° to reach the bulb (bulb) -shaped deflector 12 in the inlet chamber 10. In the region of the valve deflector 12, the exhaust gas flow is once again turned and directed through a so-called annular nozzle 13 towards the turbine rotor (not shown) of the exhaust-driven supercharger located downstream of the valve deflector 12. It is burned. The exhaust gas expanded in the region of the turbine rotor is discharged from the exhaust driving supercharger through an exhaust chamber (not shown) connected to the inlet chamber 10. Only the axis of rotation 14 is shown for the turbine rotor. The turbine rotor is connected to a compressor rotor of an exhaust drive supercharger via a shaft, and drives the compressor rotor.

既に述べたように、入口室１０は９０°ベンドとして形成され、それに応じて、湾曲壁１５を有している。低いエンジン負荷運転点で排気駆動過給機を洗浄するために洗浄媒体つまり洗浄水を入口室１０に注入するために、入口室１０の壁１５に、図１および図２に示されていない洗浄ノズルが付設されている。図１および図２には洗浄ノズルのホルダ１６しか示されていない。そのホルダ１６は壁１５にねじ止めされ、洗浄ノズルを受けるための孔１７を規定している。   As already mentioned, the inlet chamber 10 is formed as a 90 ° bend and has a curved wall 15 accordingly. Washing not shown in FIGS. 1 and 2 on the wall 15 of the inlet chamber 10 for injecting a cleaning medium or wash water into the inlet chamber 10 to clean the exhaust-driven supercharger at low engine load operating points A nozzle is attached. Only the holder 16 of the cleaning nozzle is shown in FIGS. The holder 16 is screwed to the wall 15 and defines a hole 17 for receiving a cleaning nozzle.

本発明の目的において、洗浄ノズルはタービンロータの延長回転軸線１４上に配置され、詳しくは、タービンロータの延長回転軸線１４が入口室１０の壁１５と交差する場所に配置されている。ここで本発明の目的において、入口室１０に唯一の洗浄ノズルが付設されている。この洗浄ノズルは、図１および図２の実施例において、タービンロータの延長回転軸線１４が壁１５と交差する位置で壁１５にねじ止めされたホルダ１６に収納されている。それに応じて、洗浄ノズルはタービンロータの回転軸線１４と一致する直線上ないし線上に配置されている。   For the purposes of the present invention, the cleaning nozzle is disposed on the turbine rotor's extended rotational axis 14, in particular, where the turbine rotor's extended rotational axis 14 intersects the wall 15 of the inlet chamber 10. Here, for the purpose of the present invention, a single cleaning nozzle is attached to the inlet chamber 10. 1 and 2, the cleaning nozzle is accommodated in a holder 16 screwed to the wall 15 at a position where the extended rotation axis 14 of the turbine rotor intersects the wall 15. Accordingly, the cleaning nozzle is arranged on a straight line or line that coincides with the rotational axis 14 of the turbine rotor.

図１および図２の実施例において、図示されていない洗浄ノズルはホルダ１６の孔１７の中に、洗浄媒体を入口室１０に流入ないし注入する洗浄ノズルの出口領域ないし出口孔が、入口室１０の壁１５の内面１８に対してほぼ垂直に延びているように、収納されている。図１および図２の実施例において、ホルダ１６ないし孔１７の長手軸線１９と一致している洗浄ノズルの出口孔の長手軸線は、タービンロータの延長回転軸線１４に対して、入口室１０に注入された洗浄媒体が入口室を貫流する排気ガス流により転向ないし引き連れられた後、入口室１０のバルブ形デフレクタ１２に衝突し、そのバルブ形デフレクタ１２への衝突によって霧化されるように、角度αを成している。   In the embodiment of FIGS. 1 and 2, the cleaning nozzle (not shown) has an outlet region or outlet hole of the cleaning nozzle through which the cleaning medium flows into or injects into the inlet chamber 10 in the hole 17 of the holder 16. The wall 15 is accommodated so as to extend substantially perpendicular to the inner surface 18 of the wall 15. In the embodiment of FIGS. 1 and 2, the longitudinal axis of the outlet hole of the cleaning nozzle, which coincides with the longitudinal axis 19 of the holder 16 or hole 17, is injected into the inlet chamber 10 with respect to the extended rotational axis 14 of the turbine rotor. So that the cleaned cleaning medium is turned or drawn by the exhaust gas flow flowing through the inlet chamber and then collides with the valve-shaped deflector 12 of the inlet chamber 10 and is atomized by the collision with the valve-shaped deflector 12. α is formed.

その洗浄ノズルの出口孔の長手軸線１９は、タービンロータの延長回転軸線１４と２０°〜４０°の角度α、特に３０°〜３５°の角度αを成している。有利な実施例においてその角度αは約３３°である。   The longitudinal axis 19 of the outlet hole of the cleaning nozzle forms an angle α of 20 ° to 40 °, in particular an angle α of 30 ° to 35 °, with the extended axis of rotation 14 of the turbine rotor. In the preferred embodiment, the angle α is about 33 °.

図１および図２の実施例において、洗浄ノズルのホルダ１６は別個の部品として形成され、入口室１０の壁１５にねじ止めされている。このホルダ１６に、即ちその孔１７の中に、洗浄ノズルがはめ込まれている。   In the embodiment of FIGS. 1 and 2, the cleaning nozzle holder 16 is formed as a separate piece and is screwed to the wall 15 of the inlet chamber 10. A cleaning nozzle is fitted in the holder 16, that is, in the hole 17.

図１および図２の実施例と異なって、図３には、洗浄ノズルのホルダ１６が壁１５と一体構造部品であり、即ち、入口室１０の壁１５に一体鋳造されている実施例が示されている。洗浄ノズルはホルダ１６に設けられた孔２０、２１によって規定され、即ち、入口孔２０および出口孔２１によって規定されている。その洗浄ノズルの出口孔２１の長手軸線１９は、既に図１および図２の実施例に関連して述べたように、壁１５の内面１８に対してほぼ垂直に延び、タービンロータの延長回転軸線１４と角度αを成している。これに対して、入口孔２０の長手軸線はタービンロータの延長回転軸線１４と一致している。   Unlike the embodiment of FIGS. 1 and 2, FIG. 3 shows an embodiment in which the cleaning nozzle holder 16 is an integral part of the wall 15, that is, is integrally cast on the wall 15 of the inlet chamber 10. Has been. The cleaning nozzle is defined by the holes 20 and 21 provided in the holder 16, that is, by the inlet hole 20 and the outlet hole 21. The longitudinal axis 19 of the outlet hole 21 of the cleaning nozzle extends substantially perpendicular to the inner surface 18 of the wall 15, as already described in connection with the embodiment of FIGS. 14 and an angle α. In contrast, the longitudinal axis of the inlet hole 20 coincides with the extended rotation axis 14 of the turbine rotor.

それに応じて本発明の目的において、ベンドとして形成された入口室を有し、この入口室に洗浄ノズルが付設され、その場合、唯一の洗浄ノズルが、タービンロータの回転軸線がベンドとして形成された入口室の壁と交差する位置に配置されている排気駆動過給機を提案する。   Accordingly, for the purposes of the present invention, it has an inlet chamber formed as a bend, and a cleaning nozzle is attached to this inlet chamber, in which case the only cleaning nozzle is formed with the rotational axis of the turbine rotor as a bend. We propose an exhaust-driven supercharger that is located at a position that intersects the wall of the entrance chamber.

洗浄ノズルの出口孔は入口室の壁の内面に対してほぼ垂直に延び、その出口孔の長手軸線はタービンロータの回転軸線と、入口室に注入された洗浄媒体が排気ガス流による方向転換によって入口室のバルブ形デフレクタに衝突し、そのバルブ形デフレクタの領域において霧化されるような角度を成している。洗浄媒体はそれから入口室の環状ノズルの領域に全周にわたって一様に到達する。   The outlet hole of the cleaning nozzle extends substantially perpendicular to the inner surface of the wall of the inlet chamber. The longitudinal axis of the outlet hole is the axis of rotation of the turbine rotor and the direction of the cleaning medium injected into the inlet chamber is changed by the exhaust gas flow. The angle is such that it strikes the valve deflector in the inlet chamber and is atomized in the area of the valve deflector. The cleaning medium then reaches the area of the annular nozzle in the inlet chamber uniformly over the entire circumference.

内燃機関の本発明に基づく排気駆動過給機のタービンの入口室の概略断面図。1 is a schematic sectional view of an inlet chamber of a turbine of an exhaust drive supercharger according to the present invention of an internal combustion engine. 図１の部分ＩＩの詳細図。FIG. 2 is a detailed view of part II of FIG. 1. 異なった実施例の図２に相当した詳細図。FIG. 3 is a detailed view corresponding to FIG. 2 of a different embodiment.

符号の説明Explanation of symbols

１０ 入口室（流入ハウジング）
１１ 入口開口
１２ バルブ（電球）形デフレクタ
１３ 環状ノズル
１４ 回転軸線
１５ 壁
１６ ホルダ
１７ 孔
１８ 内面
１９ 長手軸線
２０ 入口孔
２１ 出口孔 10 Inlet chamber (inflow housing)
DESCRIPTION OF SYMBOLS 11 Entrance opening 12 Valve | bulb (light bulb) -shaped deflector 13 Annular nozzle 14 Rotating axis 15 Wall 16 Holder 17 Hole 18 Inner surface 19 Longitudinal axis 20 Inlet hole 21 Outlet

Claims (9)

内燃機関のエンジンから出る排気ガス流を膨張するためのタービンと、内燃機関のエンジンに供給すべき燃焼空気流を圧縮するための圧縮機とを備え、タービン内で膨張すべき排気ガス流をタービンロータに導入するために、タービンがベンドとして形成された入口室（１０）を有し、低いエンジン負荷運転点で入口室（１０）に洗浄媒体を供給するために、入口室（１０）に洗浄ノズルが付設されている内燃機関の排気駆動過給機において、洗浄ノズルが、タービンロータの回転軸線（１４）と一致する線上ないし直線上に配置されていることを特徴とする内燃機関の排気駆動過給機。   A turbine for expanding an exhaust gas flow coming out of an engine of an internal combustion engine, and a compressor for compressing a combustion air flow to be supplied to the engine of the internal combustion engine, the exhaust gas flow to be expanded in the turbine being a turbine For introduction into the rotor, the turbine has an inlet chamber (10) formed as a bend, and the inlet chamber (10) is cleaned to supply cleaning medium to the inlet chamber (10) at a low engine load operating point. An exhaust drive supercharger for an internal combustion engine provided with a nozzle, wherein the cleaning nozzle is arranged on a line or a straight line that coincides with the rotational axis (14) of the turbine rotor. Turbocharger. 入口室（１０）に、タービンロータの回転軸線（１４）と一致する線上ないし直線上に配置された唯一の洗浄ノズルが付設されていることを特徴とする請求項１記載の排気駆動過給機。   The exhaust-drive supercharger according to claim 1, wherein the inlet chamber (10) is provided with a single cleaning nozzle arranged on a line or straight line that coincides with the rotational axis (14) of the turbine rotor. . 洗浄媒体が入口室（１０）に流入する洗浄ノズルの出口領域が、入口室（１０）の内面（１８）に対してほぼ垂直に延びていることを特徴とする請求項１又は２に記載の排気駆動過給機。   3. The outlet region of the cleaning nozzle, into which the cleaning medium flows into the inlet chamber (10), extends substantially perpendicular to the inner surface (18) of the inlet chamber (10). Exhaust-driven supercharger. 洗浄ノズルの出口孔（２１）の長手軸線（１９）および洗浄ノズルが配置された延長回転軸線（１４）が、２０°〜４０°の角度を成していることを特徴とする請求項３記載の排気駆動過給機。   4. The longitudinal axis (19) of the outlet hole (21) of the cleaning nozzle and the extended rotation axis (14) in which the cleaning nozzle is arranged form an angle of 20 [deg.] To 40 [deg.]. Exhaust-driven supercharger. 洗浄ノズルの出口孔（２１）の長手軸線（１９）および洗浄ノズルが配置された延長回転軸線（１４）が、３０°〜３５°の角度を成していることを特徴とする請求項４記載の排気駆動過給機。   5. The longitudinal axis (19) of the outlet hole (21) of the cleaning nozzle and the extended rotational axis (14) in which the cleaning nozzle is arranged form an angle of 30 [deg.] To 35 [deg.]. Exhaust-driven supercharger. 洗浄ノズルの出口領域ないし出口孔（２１）の長手軸線（１９）および洗浄ノズルが配置された延長回転軸線（１４）が、入口室（１０）に注入された洗浄媒体が入口室（１０）によって案内される排気ガス流の方向転換によって入口室（１０）のバルブ形デフレクタ（１２）に衝突するように、角度を成していることを特徴とする請求項３ないし５のいずれか１つに記載の排気駆動過給機。   The longitudinal axis (19) of the outlet region of the cleaning nozzle or the outlet hole (21) and the extended rotation axis (14) in which the cleaning nozzle is disposed are used to allow the cleaning medium injected into the inlet chamber (10) to be introduced by the inlet chamber (10). 6. An angle according to claim 3, characterized in that it is angled so as to impinge on the valve-shaped deflector (12) of the inlet chamber (10) by changing the direction of the guided exhaust gas flow. Exhaust-driven supercharger as described. 洗浄ノズルが、入口室（１０）にねじ止めされたホルダ（１６）に収納されていることを特徴とする請求項１ないし６のいずれか１つに記載の排気駆動過給機。   The exhaust-driven supercharger according to any one of claims 1 to 6, characterized in that the cleaning nozzle is housed in a holder (16) screwed into the inlet chamber (10). 洗浄ノズルが、入口室（１０）の一体構造部品であるホルダ（１６）に収納されていることを特徴とする請求項１ないし６のいずれか１つに記載の排気駆動過給機。   The exhaust-drive supercharger according to any one of claims 1 to 6, wherein the cleaning nozzle is accommodated in a holder (16) which is an integral part of the inlet chamber (10). ホルダ（１６）が入口室（１０）に一体鋳造され、洗浄ノズルがホルダ（１６）に設けられた孔（２０、２１）によって形成されていることを特徴とする請求項８記載の排気駆動過給機。

The exhaust drive overload according to claim 8, characterized in that the holder (16) is integrally cast in the inlet chamber (10) and the cleaning nozzle is formed by holes (20, 21) provided in the holder (16). Feeder.

JP2006164428A 2005-06-18 2006-06-14 Exhaust-driven supercharger for internal combustion engines Expired - Fee Related JP5063937B2 (en)

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KR20060132463A (en) 2006-12-21
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