IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0917740
(2006-05-23)
|
등록번호 |
US-8322979
(2012-12-04)
|
우선권정보 |
DE-20 2005 009 491 U (2005-06-16) |
국제출원번호 |
PCT/EP2006/004905
(2006-05-23)
|
§371/§102 date |
20080627
(20080627)
|
국제공개번호 |
WO2006/133793
(2006-12-21)
|
발명자
/ 주소 |
- Walter, Stefan
- Stiegler, Volker
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
3 |
초록
▼
The invention relates to a turbocharger (1) provided with a turbine housing (2) for turbine wheels, a cartridge (K) for the variable turbine geometry positioned in the turbine housing (2), a bearing housing (3) which is arranged between said turbine housing (2) and a compressor housing of the compre
The invention relates to a turbocharger (1) provided with a turbine housing (2) for turbine wheels, a cartridge (K) for the variable turbine geometry positioned in the turbine housing (2), a bearing housing (3) which is arranged between said turbine housing (2) and a compressor housing of the compressor wheel and in which a bearing arrangement for a shaft (W) carrying the turbine and compressor wheels is mounted and a pane system (4) placed between the cartridge (K) and the bearing housing (3). The inventive turbocharger is characterized in that said pane system (4) consists of at least two material layers (5, 6), an air gap (7) is formed between the material layers (5, 6), the materiel layer (5) is embodied in the form of a conical plate and the other material layer (6) is provided with a bend (8).
대표청구항
▼
1. A turbocharger (1) comprising: a turbine housing (2) having a turbine wheel;a compressor housing having a compressor wheel;a cartridge (K) in the turbine housing (2) providing variable turbine geometry;a bearing housing (3) between the turbine housing (2) and the compressor housing and having a b
1. A turbocharger (1) comprising: a turbine housing (2) having a turbine wheel;a compressor housing having a compressor wheel;a cartridge (K) in the turbine housing (2) providing variable turbine geometry;a bearing housing (3) between the turbine housing (2) and the compressor housing and having a bearing for a shaft (W) carrying the turbine wheel and the compressor wheel; anda disk arrangement (4) between the cartridge (K) and the bearing housing (3), wherein the disk arrangement (4) comprises at least two structures (5, 6), wherein an air gap (7) is formed between the at least two structures (5, 6), wherein one of the structures (5) is a conical disk including a conical body extending outwardly at an angle from a center aperture (16) to an outer diameter, and wherein the other one of the structures (6) includes an inner conical region (9′) that extends outwardly from a center aperture (17) at an angle that is different from the angle at which the conical body extends such that the air gap (7) between the inner conical region (9′) and the conical body decreases in the outward direction, the inner conical region (9′) transitioning to an outer conical region (9) at a bend (8), the outer conical region (9) being angled relative to the inner conical region (9′) and extending therefrom to an outer diameter of the structure (6), the outer conical region (9) being substantially parallel to the conical body. 2. The turbocharger of claim 1, wherein the center apertures (16, 17) have the same diameter. 3. The turbocharger of claim 1, wherein the at least two structures (5, 6) have the same outer diameter. 4. The turbocharger of claim 1, wherein only the conical disk (5) abuts against the bearing housing (3) along an inside diameter of the conical disk. 5. The turbocharger of claim 1, wherein the at least two structures (5, 6) are separate parts that abut against each other. 6. The turbocharger of claim 1, wherein the at least two structures (6) are axially restrained along at least a portion of an outside diameter of the at least two structures (5). 7. The turbocharger of claim 1, wherein the at least two structures (5, 6) are made of the same material. 8. The turbocharger of claim 1, wherein the at least two structures (5, 6) are made of different materials. 9. The turbocharger of claim 1, wherein the structure (6) having the bend (8) is made from a material that provides thermal insulation for the structure (5) that is the conical disk. 10. A turbocharger (1) comprising: a turbine housing (2) having a turbine wheel;a compressor housing having a compressor wheel;a vane ring (15) in the turbine housing (2) providing variable turbine geometry;a bearing housing (3) between the turbine housing (2) and the compressor housing and having a bearing for a shaft (W) carrying the turbine wheel and the compressor wheel; anda disk arrangement (4) between the vane ring (15) and the bearing housing (3), wherein the disk arrangement (4) comprises first and second disks (5, 6) that abut against a portion of each other and provide an air gap (7) therebetween, wherein the first disk (5) biases the second disk (6) against the turbine housing, the first disk (5) including a conical body extending outwardly at an angle from a center aperture (16) to an outer diameter, the second disk (6) having an inner conical region (9′) that extends outwardly from a center aperture (17) at an angle that is different from the angle at which the conical body extends, the inner conical region (9′) transitioning to an outer conical region (9) at a bend (8), the outer conical region (9) being angled relative to the inner conical region (9′) and extending therefrom to an outer diameter of the structure (6), the outer conical region (9) extending substantially parallel to and abutting against the conical body, wherein the air gap (7) is formed at least between the inner conical region (9′) and the conical body, the air gap (7) decreasing in the outward direction. 11. The turbocharger claim 10, wherein the center apertures (16, 17) have the same diameter. 12. The turbocharger of claim 10, wherein the first and second disks (5, 6) have the same outer diameter. 13. The turbocharger of claim 10, wherein only the first disk (5) abuts against the bearing housing (3) along an inside diameter of the first disk (5). 14. The turbocharger of claim 10, wherein the first and second disks (5, 6) are separate parts that abut against each other. 15. The turbocharger of claim 10, wherein the first and second disks (5, 6) are axially restrained along at least a portion of an outside diameter thereof. 16. The turbocharger of claim 10, wherein the first and second disks (5, 6) are made of the same material. 17. The turbocharger of claim 10, wherein the first and second disks (5, 6) are made of different materials. 18. The turbocharger of claim 10, wherein the second disk (6) is made from a material that provides thermal insulation for the first disk (5). 19. A turbocharger (1) comprising: a first housing (2) having a turbine wheel;a compressor wheel;a vane ring (15) in the first housing (2) providing variable turbine geometry;a second housing (3) having a bearing for a shaft (W) carrying the turbine wheel and the compressor wheel; anda disk arrangement (4) between the vane ring (15) and the second housing (3), wherein the disk arrangement (4) comprises first and second disks (5, 6) that abut against a portion of each other and provide an air gap (7) therebetween, wherein the first disk (5) has a conical shape and biases the second disk (6) against the first housing, the first disk (5) including a conical body extending outwardly at an angle from a center aperture (16) to an outer diameter, the second disk (6) having an inner conical region (9′) that extends outwardly from a center aperture (17) at an angle that is different from the angle at which the conical body extends, the inner conical region (9′) transitioning to an outer conical region (9) at a bend (8), the outer conical region (9) being angled relative to the inner conical region (9′) and extending therefrom to an outer diameter of the structure (6), the outer conical region (9) extending substantially parallel to and abutting against the conical body, wherein the air gap (7) is formed at least between the inner conical region (9′) and the conical body, the air gap (7) decreasing in the outward direction. 20. The turbocharger of claim 19, wherein the second disk (6) is made from a material that provides thermal insulation for the first disk (5).
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