JPS6011631A - Turbine housing for turbocharger - Google Patents
Turbine housing for turbochargerInfo
- Publication number
- JPS6011631A JPS6011631A JP58119527A JP11952783A JPS6011631A JP S6011631 A JPS6011631 A JP S6011631A JP 58119527 A JP58119527 A JP 58119527A JP 11952783 A JP11952783 A JP 11952783A JP S6011631 A JPS6011631 A JP S6011631A
- Authority
- JP
- Japan
- Prior art keywords
- turbine housing
- bypass passage
- exhaust gas
- cracks
- outlet port
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、内燃機関に供給される吸気の過給を行うター
ボチャージャに係り、更に詳細にはターボチャージャの
タービンハウジングに係る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a turbocharger for supercharging intake air supplied to an internal combustion engine, and more particularly to a turbine housing of the turbocharger.
ターボチャージャの一構成部品であるタービンハウジン
グは直接高温の排気ガスに曝されるものであるため、タ
ービンハウジングの構成材料としてはタービンハウジン
グが瞠される排気ガスの温度によって球状黒鉛鋳鉄、高
ケイ素球状黒鉛鋳鉄、オーステナイト球状黒鉛鋳鉄など
が使い分ｌＪられており、特に温度の高い１１１気ガス
どの関連で使用されるターボチャージャのタービンハウ
ジングはオースナナ１１〜球状黒鉛鋳鉄にて形成されて
いる。Since the turbine housing, which is a component of the turbocharger, is directly exposed to high-temperature exhaust gas, the materials used to construct the turbine housing include spheroidal graphite cast iron, high-silicon spherical Graphite cast iron, austenitic spheroidal graphite cast iron, etc. are widely used, and turbine housings of turbochargers used in connection with high-temperature 111 gases are made of austenite spheroidal graphite cast iron.
しかしオーステナイト球状黒鉛鋳鉄は熱膨張率が大きく
月熱伝ンυ率が小さいため、タービンハウジングの薄肉
で高温となる部分に熱疲労や熱衝撃にＪ：る亀裂が発生
することかある。かかる亀裂の発生を防止すべく、ニッ
ケル含有量が更に多いオーステナイト球状黒１１）鋳鉄
にてタービンハウジングを形成することが行われている
。However, since austenitic spheroidal graphite cast iron has a large coefficient of thermal expansion and a low coefficient of heat transfer, cracks may occur in the thin, high-temperature parts of the turbine housing due to thermal fatigue and thermal shock. In order to prevent the occurrence of such cracks, the turbine housing is formed of austenitic spherical black cast iron with a higher nickel content.
本願発明者等は、亀裂が発生したタービンハウジングを
調査した結果、亀裂は薄肉であり従ってタービンハウジ
ングのうち最も高い温度に加熱されウェストゲ−１〜バ
ルブにより開閉される１３１気力スバイパス通路の壁面
の内周部、特にバイパス通路の壁面のウェストゲ−１−
バルブとは反対の側の端部より発生していることをつき
とめた。そして本願発明者等はかかる問題に対処ずべく
種々の実験的研究を行った結果、バイパス通路の壁面部
を耐熱性及び高温での機械的性質に優れたオーステナイ
ト系の耐熱鋼やステンレス鋼にてバイパス通路の壁面部
を形成することにより、ニッケル含有量が比較的少いＡ
−スデナイト球状黒鉛鋳鉄にて形成されたタービンハウ
ジングに発生する亀裂を有効に防止できることを見出し
た。As a result of investigating the turbine housing in which the crack had occurred, the inventors of the present application found that the crack was in the thin wall of the 131-air bypass passage, which is heated to the highest temperature in the turbine housing and is opened and closed by the wastegate valve. Wastege 1 on the periphery, especially on the wall of the bypass passage.
It was determined that the problem was occurring from the end opposite to the valve. The inventors of the present application have conducted various experimental studies to solve this problem, and as a result, the wall of the bypass passage is made of austenitic heat-resistant steel or stainless steel, which has excellent heat resistance and mechanical properties at high temperatures. By forming the wall surface of the bypass passage, A with relatively low nickel content can be achieved.
- It has been found that cracks occurring in a turbine housing made of sudenite spheroidal graphite cast iron can be effectively prevented.
本発明は、本願発明名等が行った種々の実験的研究の結
果得られた知見に早き、高温の１１１気ガスとの関連で
使用されても亀裂が発生することのないターボチャージ
ｒ用タービンハウジングを提供することを目的としてい
る。The present invention was developed based on the knowledge obtained as a result of various experimental studies conducted by the present inventor, etc., and has been developed to develop a turbocharger R that does not cause cracks even when used in connection with high-temperature 111 gas. The purpose is to provide turbine housings.
かかる目的は、本発明によれば、ウェストグー１〜バル
ブにより開閉される排気ガスバイパス通路を有するター
ボチャージャのタービンハウジングにして、前記バイパ
ス通路の壁面部は前記タービンハウジングの他の部分を
構成する金属材料と実質的に同一の熱膨張率を有し基地
がオーステナイトである特殊鋼にて４１４成されている
ことを特徴とするタービンハウジングによって達成され
る。According to the present invention, the purpose is to provide a turbine housing for a turbocharger having an exhaust gas bypass passage opened and closed by a waste gas valve, wherein the wall surface of the bypass passage constitutes another part of the turbine housing. This is achieved by a turbine housing characterized in that it is made of special steel 414, which has substantially the same coefficient of thermal expansion as the metal material and whose base is austenite.
本発明によれば、バイパス通路の壁面部は耐熱性及び高
ン品Ｃの機械的性質に優れた基地がオース７ナイトであ
る特殊鋼にて構成されるので、バイパス通路の壁面部が
タービンハウジング内を流れる高温の１１１気ガスにＪ
：り高温度に加熱されてもバイパス通路の壁面部に熱疲
労や熱衝撃に起因する亀裂が発生することが回避され、
またバイパス通路の壁面部を構成する特殊鋼の熱膨張率
がタービンハウジングの伯の部分を構成Ｊる金属材料の
熱膨張率ど実質的に同一であるので、内燃機関の運転＝
停止に及びバイパス通路の開開に伴ってバイパス通路の
壁面部が冷熱サイクルを受ける場合に於ても、該壁面部
がタービンハウジングの他の部分より剥離したり説落し
たりすることが回避され、これにＪζリタービンハウジ
ングの耐久１１を向上させることができる。According to the present invention, since the wall surface of the bypass passage is made of special steel having excellent heat resistance and mechanical properties of high quality steel C, the base is aus7ite. J to the high temperature 111 gas flowing inside
: Even when heated to high temperatures, cracks caused by thermal fatigue and thermal shock are prevented from occurring on the walls of the bypass passage.
Furthermore, since the coefficient of thermal expansion of the special steel that makes up the wall surface of the bypass passage is substantially the same as the coefficient of thermal expansion of the metal material that makes up the part of the turbine housing, the operation of the internal combustion engine is
Even when the wall portion of the bypass passage undergoes a cooling/heating cycle due to shutdown and opening/opening of the bypass passage, the wall portion is prevented from peeling off from other parts of the turbine housing or falling apart; In addition, the durability 11 of the Jζ returbine housing can be improved.
また本発明によれば、バイパス通路の壁面部を除くター
ビンハウジングの他の部分を構成する金属材％′＋１は
、通常のオーステナイ１へ球状黒鉛鋳鉄等であって良い
ので、タービンハウジング全体が多量のニッケルを含有
する高級なオーステナイト球状黒鉛鋳鉄にて構成される
場合に比して、タービンハウジングのコストを低減する
ことかできる。Further, according to the present invention, the metal material %'+1 constituting the other parts of the turbine housing except for the wall surface of the bypass passage may be ordinary austenite 1, spheroidal graphite cast iron, etc., so that the entire turbine housing has a large amount of The cost of the turbine housing can be reduced compared to a case where the turbine housing is made of high-grade austenitic spheroidal graphite cast iron containing nickel.
尚本発明のタービンハウジングに於て使用される特殊鋼
は、タービンハウジングの主要部を構成する金属材料が
オーステナイト球状黒鉛鋳鉄（熱膨張率１０〜１９ Ｘ
１ ’Ｏ−６、主として１６〜１９Ｘ １ ’０−６
）である場合には、下記の如き耐熱鋼またはステンレス
鋼であって良い。The special steel used in the turbine housing of the present invention is such that the metal material constituting the main part of the turbine housing is austenitic spheroidal graphite cast iron (coefficient of thermal expansion 10-19
1'O-6, mainly 16-19X 1'0-6
), the following heat-resistant steel or stainless steel may be used.
耐 熱 鋼
ＪＩＳ規格 （熱膨張率）
ＳＵＨ３’０９ （１７，３ｘ１０−６）Ｓ（ＪＨ３１
’Ｏ（１６，９Ｘ１’Ｏ−”）ＳＵＩ−１３３’ｏ （
１６，７Ｘ１’Ｏ−”）ステンレス鋼
ＪＩＳ規格 （熱膨張率）
ＳＵＳ３０１ （１８，７ｘ１’Ｏ−’）ＳＵＳ３’０
２ （１８，７Ｘ１’Ｏ’）ＳＵＳ３’０４ （１８，
７ｘｌ’Ｏ’）ＳＬＪＳ３−０５ （１８，７ｘｌ’Ｏ
−’）５−
３ＵＳ３０９ （１８，０Ｘ１０−”＞５ＬＪＳ３１’
Ｏ（１７，５ｘｌＯ−４）ＳＵＳ３ １ ６ （１８，
５ｘ １’Ｏ’）ＳＵＳ３２１ （１９，３Ｘ１’０−
６）ＳＵＳ３４７ （１９，１ｘｌ’０−’）以下に誰
何の図を参照しつつ本発明を実施例について詳細に説明
する。Heat-resistant steel JIS standard (coefficient of thermal expansion) SUH3'09 (17,3x10-6)S (JH31
'O(16,9X1'O-'')SUI-133'o (
16,7x1'O-') Stainless steel JIS standard (coefficient of thermal expansion) SUS301 (18,7x1'O-') SUS3'0
2 (18,7X1'O') SUS3'04 (18,
7xl'O')SLJS3-05 (18,7xl'O'
-')5-3US309 (18,0X10-">5LJS31'
O(17,5xlO-4) SUS3 1 6 (18,
5x 1'O') SUS321 (19,3X1'0-
6) SUS347 (19,1xl'0-') Hereinafter, the present invention will be described in detail with reference to embodiments with reference to figures of others.
第１図は本発明によるターボチャージレ用タービンハウ
ジングの一つの実施例を示す側面図、第２図及び第３図
はそれぞれウェストゲートバルブの閉弁状態及び開弁状
態にてタービンハウジングの要部を示Ｊ第１図の線Ａ−
八による拡大部分断面図である。FIG. 1 is a side view showing one embodiment of a turbine housing for a turbocharger according to the present invention, and FIGS. 2 and 3 show the main parts of the turbine housing when the wastegate valve is in the closed state and in the open state, respectively. Indicates the line A- in Figure 1.
FIG. 8 is an enlarged partial cross-sectional view of FIG.
これらの図に於て、１はタービンハウジングを示してお
り、該タービンハウジングは内部に図には示されていな
いタービンホイールを回転可能に受入れるようになって
いる。タービンハウジング１はフランジ部２にて図には
示されていない内燃機関の排気マニホールドに接続され
、フランジ部６−
３にて図には示されていない排気管に接続されるように
なっている。タービンハウジング１は内部にＩＪＩ気ガ
ス入ロボー１〜４より排気ガス出１］ボート５まで延在
する渦巻通路を有しており、排気ガス入口ボート４より
導入された４１１気ガスを渦巻通路を経て排気ガス出［
］ボート５へ導ぎ、その際に排気ガスによりタービンハ
ウジング内に収容されたタービンホイールが回転駆動さ
れるようになっている。In these figures, reference numeral 1 designates a turbine housing, which rotatably receives a turbine wheel (not shown) therein. The turbine housing 1 is connected to an exhaust manifold of an internal combustion engine (not shown) at a flange 2, and connected to an exhaust pipe (not shown) at a flange 6-3. . The turbine housing 1 has a swirl passage extending from the IJI air gas input robots 1 to 4 to the exhaust gas outlet boat 5, and the 411 air gas introduced from the exhaust gas inlet boat 4 is passed through the swirl passage. After that, exhaust gas comes out [
] At this time, the exhaust gas rotates a turbine wheel housed in a turbine housing.
排気ガス入口ボート４と排気ガス出口ボート５とを隔て
る隔壁６には、排気ガス入口ボー１−４より導入される
排気ガス（その流れが第２図及び第３図に於て矢印「に
て示されている）の圧力が所定値以上になった場合には
１）１気ガスの一部を渦巻通路を迂回して直接排気ガス
出口ボート５へ導きこれによりターボチャージャによる
過給圧が所定値以上に上昇することを防止する排気ガス
バイパス通路７が設【プられている。バイパス通路７は
隔壁６に対し排気ガス出口ポート５の側に設けられたウ
ェストゲートバルブ８（第１図に於ては省略されている
）によりその連通が選択的に制御されるＪ：うになって
いる０、ウェストゲートバルブ８はタービンハウジング
１に回転可能に支持され図には示されていないダイＶ７
フラム装置の如き７′クチコエー夕により回転駆動され
るシャフトつと、隔壁６に段すられｌＣバルブシート１
０と共動してバイパス通路７の開閉を行うバルブ要素１
１と、シャフト９とバルブ要素１１とを連結するレバー
１２とよりなっている。The partition wall 6 that separates the exhaust gas inlet boat 4 and the exhaust gas outlet boat 5 has exhaust gas introduced from the exhaust gas inlet boat 1-4 (the flow of which is indicated by the arrow "in" in FIGS. 2 and 3). When the pressure (shown) exceeds a predetermined value, 1) a part of the gas is guided directly to the exhaust gas outlet boat 5 bypassing the swirl passage, thereby increasing the supercharging pressure by the turbocharger to a predetermined value. An exhaust gas bypass passage 7 is provided to prevent the exhaust gas from rising above the specified value.The bypass passage 7 is connected to a waste gate valve 8 (see FIG. The wastegate valve 8 is rotatably supported by the turbine housing 1 and is connected to a die V7 (not shown in the figure).
A shaft rotatably driven by a 7' cutter such as a flam device, and an IC valve seat 1 stepped on the bulkhead 6.
Valve element 1 that opens and closes the bypass passage 7 in cooperation with valve element 0.
1 and a lever 12 that connects the shaft 9 and the valve element 11.
図示の実施例に於ては、タービンハウジングは２．５へ
−３，５％Ｇ、１．５〜３．０％ｓｒ 、ｏ。In the illustrated embodiment, the turbine housing is 2.5 to 3.5% G, 1.5 to 3.0% sr, o.
２〜８．’Ｏ％Ｍｎ 、 １８． ’Ｏ〜３５． ’Ｏ
％Ｎｉ、１、’Ｏ〜３．’Ｏ％Ｃｒ、’Ｏ，’０５％以
下のＰ、’０゜１％以下のＳ１残部Ｆｅなる組成を有す
るオーステナイｉへ球状黒鉛鋳鉄（熱膨張率１７．８
Ｘ１Ｏ−６）にて１ｆｉｓ成されており、隔壁６にはス
テンレス鋼（ＳＵＳ３１’Ｏ８，熱膨張率１７．５Ｘ１
’０−６）製の円筒体１３が鋳込まれている。円筒体１
３は隔壁６の排気ガス入口ボー１〜４の側の表面より隔
壁６の１ノ１気ガス出ロボート５の側の表面Ｊ：り僅か
に突出した位置まで延在しており、その内周面１４にて
バイパス通路７を郭定しており、υ１気ガス出ロポー１
−５の側の端部にてバルブシート１０を郭定している。2-8. 'O%Mn, 18. 'O~35. 'O
%Ni, 1,'O~3. Spheroidal graphite cast iron (coefficient of thermal expansion 17.8
The partition wall 6 is made of stainless steel (SUS31'O8, thermal expansion coefficient 17.5X1).
A cylindrical body 13 made of '0-6) is cast. Cylindrical body 1
3 extends from the surface of the partition wall 6 on the side of the exhaust gas inlet boats 1 to 4 to a position slightly protruding from the surface of the partition wall 6 on the side of the 1st gas outlet robot 5, and A bypass passage 7 is defined on the surface 14, and the υ1 gas outlet port 1
The valve seat 10 is defined at the end on the -5 side.
また円筒体１３にはそれと隔壁６との密着性を向上させ
るべく、その両端にて半径方向外方へ延在する環状フラ
ンジ状の突起１５及び１６が一体的に設けられている。Further, the cylindrical body 13 is integrally provided with annular flange-shaped projections 15 and 16 extending radially outward at both ends thereof in order to improve the adhesion between the cylindrical body 13 and the partition wall 6.
この場合突起１５及び１６の軸線１７に沿う方向の厚さ
の合計は隔壁６の厚さの１／２以下であり、円筒体１３
の厚さ及び突起１５．１６の突出高さはそれぞれ隔壁６
の厚さの１／３以上、１／３以上であることが好ましい
。In this case, the total thickness of the protrusions 15 and 16 in the direction along the axis 17 is 1/2 or less of the thickness of the partition wall 6, and the cylindrical body 13
The thickness of the partition wall 6 and the protrusion height of the projections 15 and 16 are respectively the same as that of the partition wall 6.
The thickness is preferably ⅓ or more, preferably ⅓ or more, of the thickness of .
上述の如く構成されたタービンハウジングの耐久性を評
価すべく、上述のタービンハウジングを組込まれたター
ボチャージャを総排気ｆｆｉ ２４ ’Ｏ’ＯＣＣの４
サイクルデイ一ゼル機関に装着し、第４図に示されてい
る如き冷熱１Ｊ′イクルを繰り返す耐久試験を３００時
間に亙り行った。その結果上述の如く構成されたタービ
ンハウジングのバイパス通路の壁面部には亀裂は一切発
生せず、また円筒体−〇−
１３の緩みなどの問題も全く発生しなかった。In order to evaluate the durability of the turbine housing configured as described above, a turbocharger incorporating the turbine housing described above was installed at a total exhaust ffi 24'O'OCC of 4.
It was installed in a cycle diesel engine, and a durability test was conducted for 300 hours by repeating 1 J' cycles of cold and heat as shown in FIG. As a result, no cracks were generated on the wall surface of the bypass passage of the turbine housing configured as described above, and no problems such as loosening of the cylindrical body -0-13 occurred.
以上の説明より、本発明によるタービンハウジングによ
れば、バイパス通路７の壁面部に亀裂が発生することが
回避されるので、ターボチャージャの耐久性を向上させ
ることができ、また特に図示の実施例によれば、ウェス
トグー１〜バルブのバルブシー１−１ ’０も耐熱性及
び高温でも機械的性質に優れた基地がオーステナイトの
球状黒鉛鋳鉄により郭定されるので、バルブシー１〜の
摩耗分をも低減づることができることが理解されよう。From the above explanation, according to the turbine housing according to the present invention, the occurrence of cracks in the wall surface of the bypass passage 7 can be avoided, so that the durability of the turbocharger can be improved. According to West Goo 1~ Valve Seat 1-1 '0, the base is made of austenitic spheroidal graphite cast iron, which has excellent heat resistance and mechanical properties even at high temperatures, so the wear of Valve Seat 1~ is also reduced. It will be understood that it can be reduced.
以上に於ては本発明を特定の実施例について詳細に説明
したが、本発明はかかる実施例に限定されるものではな
く、本発明の範囲内にて種々の実施例が可能であること
は当業者にとって明らかであろう。Although the present invention has been described in detail with respect to specific embodiments above, the present invention is not limited to such embodiments, and it is understood that various embodiments are possible within the scope of the present invention. It will be clear to those skilled in the art.
第１図は本発明によるターボチャージャ用タービンハウ
ジングの一つの実施例を示す側面図、第２図及び第３図
はそれぞれウェス１へゲートバルブの閉弁状態及び開弁
状態にてタービンハウジング１０−
の要部を示す第１図の線Ａ−八による拡大部分断面図、
第４図は耐久試験の冷熱１ノイクルを示すグラフである
。
１・・・タービンハウジレグ、２．３・・・フランジ部
。
４・・・排気ガス入口ボー１−２５・・・排気ガス出口
ボー１〜，６・・・隔壁、７・・・バイパス通路、８・
・・ウェストゲートバルブ、９・・・シャツｈ、１’０
・・・バルブシート、１１・・・バルブ要素、１２・・
・レバー、１３・・・円筒体、１４・・・内周面、１５
．１６・・・突起、１７・・・軸線
特許出願人 １ヘヨ１夕自動車株式会召代 理 人 弁
理士 明石 昌毅
１１−
２０４−FIG. 1 is a side view showing one embodiment of the turbine housing for a turbocharger according to the present invention, and FIGS. 2 and 3 show the turbine housing 10- with the gate valve closed and opened, respectively. An enlarged partial sectional view taken along line A-8 in FIG. 1 showing the main parts of
FIG. 4 is a graph showing 1 noise of cold and heat in the durability test. 1... Turbine housing leg, 2.3... Flange part. 4... Exhaust gas inlet bow 1-25... Exhaust gas outlet bow 1-, 6... Partition wall, 7... Bypass passage, 8...
・・Wastegate valve, 9・・Shirt h, 1'0
... Valve seat, 11... Valve element, 12...
・Lever, 13... Cylindrical body, 14... Inner peripheral surface, 15
．． 16...Protrusion, 17...Axis Patent applicant 1 Heyo 1 Yu Jidosha Co., Ltd. Attorney Patent attorney Masaki Akashi 11- 204-
Claims (1)
ス通路を有するターボチャージャのタービンハウジング
にして、前記バイパス通路の壁面部は前記タービンハウ
ジングの他の部分を構成する金ＩＦＫ Ｉ、Ｊ ！！＋
と実質的に同一の熱膨張率を有し基地がオーステナイト
である特殊鋼にて構成されていることを特徴とするター
ビンハウジング。The turbine housing of the turbocharger has an exhaust gas bypass passage opened and closed by a wastegate valve, and the wall surface of the bypass passage is made of gold IFK I, J!, which constitutes the other part of the turbine housing. ! +
A turbine housing characterized in that it is made of special steel having a coefficient of thermal expansion substantially the same as that of , and whose base is austenite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58119527A JPS6011631A (en) | 1983-07-01 | 1983-07-01 | Turbine housing for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58119527A JPS6011631A (en) | 1983-07-01 | 1983-07-01 | Turbine housing for turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6011631A true JPS6011631A (en) | 1985-01-21 |
Family
ID=14763486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58119527A Pending JPS6011631A (en) | 1983-07-01 | 1983-07-01 | Turbine housing for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6011631A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192802A (en) * | 1991-09-25 | 1993-03-09 | Mcneil-Ppc, Inc. | Bioadhesive pharmaceutical carrier |
| JP2008057448A (en) * | 2006-08-31 | 2008-03-13 | Toyota Motor Corp | Turbine housing |
| JP2015124690A (en) * | 2013-12-26 | 2015-07-06 | トヨタ自動車株式会社 | Supercharger |
| DE102017202961A1 (en) | 2017-02-23 | 2018-08-23 | BMTS Technology GmbH & Co. KG | Wastegate valve means |
| US10907535B2 (en) | 2018-10-10 | 2021-02-02 | Honda Motor Co., Ltd. | Turbine housing of turbocharger |
-
1983
- 1983-07-01 JP JP58119527A patent/JPS6011631A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192802A (en) * | 1991-09-25 | 1993-03-09 | Mcneil-Ppc, Inc. | Bioadhesive pharmaceutical carrier |
| US5314915A (en) * | 1991-09-25 | 1994-05-24 | Mcneil-Ppc, Inc. | Bioadhesive pharmaceutical carrier |
| US5462749A (en) * | 1991-09-25 | 1995-10-31 | Mcnell-Ppc, Inc. | Bioadhesive pharmaceutical carrier |
| JP2008057448A (en) * | 2006-08-31 | 2008-03-13 | Toyota Motor Corp | Turbine housing |
| JP2015124690A (en) * | 2013-12-26 | 2015-07-06 | トヨタ自動車株式会社 | Supercharger |
| DE102017202961A1 (en) | 2017-02-23 | 2018-08-23 | BMTS Technology GmbH & Co. KG | Wastegate valve means |
| US10907535B2 (en) | 2018-10-10 | 2021-02-02 | Honda Motor Co., Ltd. | Turbine housing of turbocharger |
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