Exhaust-gas supply device of a turbine wheel of an exhaust-gas turbocharger
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02D-023/00
F04D-029/44
F04D-029/54
F02B-037/02
F01D-009/02
F01D-017/16
F01N-013/10
출원번호
US-0393669
(2010-09-01)
등록번호
US-9016060
(2015-04-28)
우선권정보
DE-10 2009 041 074 (2009-09-10)
국제출원번호
PCT/US2010/047427
(2010-09-01)
§371/§102 date
20120301
(20120301)
국제공개번호
WO2011/031595
(2011-03-17)
발명자
/ 주소
Sauerstein, Rolf
출원인 / 주소
BorgWarner Inc.
대리인 / 주소
Tucker, A. Michael
인용정보
피인용 횟수 :
2인용 특허 :
12
초록▼
An exhaust-gas supply device (1) of a turbine wheel (2) of an exhaust-gas turbocharger (3), having a two-channel turbine housing (4) and an exhaust manifold (7) which can be connected to an internal combustion engine (8), which exhaust manifold (7) has a first manifold channel (9) which connects fir
An exhaust-gas supply device (1) of a turbine wheel (2) of an exhaust-gas turbocharger (3), having a two-channel turbine housing (4) and an exhaust manifold (7) which can be connected to an internal combustion engine (8), which exhaust manifold (7) has a first manifold channel (9) which connects first cylinders (Z1, Z4) of the internal combustion engine (8) so as to form a first manifold exhaust-gas path length, and a second manifold channel (10) which connects second cylinders (Z2, Z3) so as to form a second manifold exhaust-gas path length, to generate virtually identical overall exhaust-gas path lengths of the two channels.
대표청구항▼
1. An exhaust-gas supply device (1) of a turbine wheel (2) of an exhaust-gas turbocharger (3), comprising: a two-channel turbine housing (4) having a first channel (5) with a short spiral length for forming a first volume and a second channel (6) having a long spiral length for forming a second volu
1. An exhaust-gas supply device (1) of a turbine wheel (2) of an exhaust-gas turbocharger (3), comprising: a two-channel turbine housing (4) having a first channel (5) with a short spiral length for forming a first volume and a second channel (6) having a long spiral length for forming a second volume, andan exhaust manifold (7) connected to an internal combustion engine (8), wherein the exhaust manifold (7) further includes: a first manifold channel (9) which connects first cylinders (Z1, Z4) of the internal combustion engine (8) so as to form a longer manifold exhaust-gas path length having a first volume, anda second manifold channel (10) which connects second cylinders (Z2, Z3) so as to form a shorter second manifold exhaust-gas path length having a second volume, wherein the first manifold channel (9) having the longer manifold exhaust-gas path length is connected to the turbine housing (4) first channel (5) having the short spiral length, and the second manifold channel (10) having the shorter manifold exhaust-gas path length is connected to the turbine housing (4) second channel (6) having the long spiral length whereby the first and second manifold channels (9, 10) in combination with the first and second channels (5, 6) of the turbine housing (4) generate virtually identical overall exhaust-gas path lengths of combined channels (9, 10, 5, 6) from the engine to the turbine wheel. 2. The supply device as claimed in claim 1, wherein the two combined channels have approximately identical overall volumes. 3. The supply device as claimed in claim 1, wherein the turbine housing (4) is a double-channel housing. 4. The supply device as claimed in claim 1, wherein the turbine housing (4) is a twin-channel housing. 5. The supply device as claimed in claim 1, wherein the turbine housing (4) is provided with a variable turbine geometry with a guide apparatus (14) and adjustable blades (15). 6. The supply device as claimed in claim 5, wherein the guide apparatus (14) is provided with a guide apparatus channel separation (16, 17, 18, 19). 7. The supply device as claimed in claim 1, wherein the turbine housing (4) is provided with a variable turbine geometry with a guide apparatus (14) with adjustable blades (15) and a wastegate flap. 8. The supply device as claimed in claim 1, wherein the turbine housing (4) is provided with a wastegate flap device. 9. The supply device as claimed in claim 1, wherein the turbine housing (4) and the exhaust manifold (7) are connected to one another via a releasable connecting device. 10. The supply device as claimed in claim 9, wherein the connecting device is designed as a flange connection (11, 12) with a screw connection (13). 11. The supply device as claimed in claim 10, wherein the first and second channels (5, 6) of the turbine housing (4) have spatially differently positioned flange connections. 12. The supply device as claimed in claim 1, wherein the turbine housing (4) and the exhaust manifold (7) are formed in one piece with one another. 13. The supply device as claimed in claim 12, wherein the turbine housing (4) and the exhaust manifold (7) are welded or are formed as a single-piece cast part. 14. A method for optimizing the imparting of exhaust gas kinetic energy to a turbine wheel (2) of an exhaust-gas turbocharger (3), the method comprising: selecting a turbocharger having a two-channel turbine housing (4) which has a first channel (5) having a short spiral length for forming a first volume and a second channel (6) having a long spiral length for forming a second volume,selecting an exhaust manifold (7) adapted to being connected to an internal combustion engine (8), wherein the exhaust manifold (7) further includes: a first manifold channel (9) which connects first cylinders (Z1, Z4) of the internal combustion engine (8) so as to form a longer manifold exhaust-gas path length having a first volume, anda second manifold channel (10) which connects second cylinders (Z2, Z3) so as to form a shorter manifold exhaust-gas path length having a second volume, andconnecting the first manifold channel (9) having the longer manifold exhaust-gas path to the turbine housing (4) first channel (5) having the short spiral length, and the second manifold channel (10) having the shorter manifold exhaust-gas path length to the turbine housing (4) second channel (6) having the long spiral length whereby the first and second manifold channels (9, 10) with the first and second channels (5, 6) of the turbine housing (4) generate virtually identical overall exhaust-gas path lengths of combined channels (9, 10, 5, 6) from the engine to the turbine wheel.
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이 특허에 인용된 특허 (12)
Yang, Jialin; Hofbauer, Peter; Peng, Lixin, Boosted internal combustion engines and air compressors used therein.
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