IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0282847
(2007-03-13)
|
등록번호 |
US-8784076
(2014-07-22)
|
우선권정보 |
DE-10 2006 011 709 (2006-03-14) |
국제출원번호 |
PCT/EP2007/002210
(2007-03-13)
|
§371/§102 date |
20080912
(20080912)
|
국제공개번호 |
WO2007/104535
(2007-09-20)
|
발명자
/ 주소 |
- Frankenstein, Dirk
- Faeth, Holger
- Boening, Ralf
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
3 |
초록
▼
The invention relates to a turbocharger (1) having a cartridge (K), which is arranged in a turbine housing (2), for the variable turbine geometry, having a bearing housing (3) which is arranged between the turbine housing (2) and a compressor housing of a compressor wheel and in which is arranged a
The invention relates to a turbocharger (1) having a cartridge (K), which is arranged in a turbine housing (2), for the variable turbine geometry, having a bearing housing (3) which is arranged between the turbine housing (2) and a compressor housing of a compressor wheel and in which is arranged a bearing arrangement for a shaft (W) which supports the turbine wheel and the compressor wheel, and having a plate spring (4) which is arranged between the cartridge (K) and the bearing housing (3), wherein the plate spring (4) is constructed from at least two material layers (5, 6) and an isolator (17).
대표청구항
▼
1. A turbocharger (1) comprising: a turbine casing (2) of a turbine wheel;a variable turbine geometry cartridge (K) arranged in the turbine casing (2);a bearing housing (3) arranged between the turbine casing (2) and a compressor casing of a compressor wheel, and in which is arranged a bearing arran
1. A turbocharger (1) comprising: a turbine casing (2) of a turbine wheel;a variable turbine geometry cartridge (K) arranged in the turbine casing (2);a bearing housing (3) arranged between the turbine casing (2) and a compressor casing of a compressor wheel, and in which is arranged a bearing arrangement for a shaft (W) which supports the turbine wheel and the compressor wheel;a disk spring (4) arranged between the cartridge (K) and the bearing housing (3), the disk spring (4) including at least two material layers (5, 6), one material layer (6) being a thermal protection layer for the other material layer (5), the other material layer (5) being a disk spring layer (5); andan insulator (17) including a solid thermal insulating structure, a first portion of the insulator (17) being arranged between the material layers (5, 6) and a second portion of the insulator (17) extending beyond a radially outer end of at least one of the material layers (5,6). 2. The turbocharger as claimed in claim 1, wherein the insulator (17) is formed with a cup-like shape. 3. The turbocharger as claimed in claim 1, wherein the first portion of the insulator (17) includes a clamping region (18) arranged between radially outer locating regions (11, 11′) of the material layers (5,6). 4. The turbocharger as claimed in claim 3, wherein the locating regions (11, 11′) are arranged parallel to each other. 5. A turbocharger (1) comprising: a turbine casing (2) of a turbine wheel;a variable turbine geometry cartridge (K) arranged in the turbine casing (2);a bearing housing (3) arranged between the turbine casing (2) and a compressor casing of a compressor wheel, and in which is arranged a bearing arrangement for a shaft (W) which supports the turbine wheel and the compressor wheel;a disk spring (4) arranged between the cartridge (K) and the bearing housing (3), the disk spring (4) including at least two material layers (5,6), one material layer (6) being a thermal protection layer for the other material layer (5), the other material layer (5) being a disk spring layer (5); andan insulator (17) including a solid thermal insulating structure, the insulator including a clamping region (18) arranged between radially outer locating regions (11, 11′) of the material layers (5,6), the insulator (17) further including a support region (19) arranged at an angle of about 90° to the clamping region (18). 6. The turbocharger as claimed in claim 1, wherein an air gap (7) is arranged between the material layers (5, 6). 7. The turbocharger as claimed in claim 1, wherein the material layer (5) axially fixes the cartridge (K) on the turbine casing (2). 8. The turbocharger as claimed in claim 1, wherein the material layers (5, 6) and the insulator (17) are interconnected in one piece. 9. The turbocharger as claimed in claim 1, wherein the material layers (5, 6) and the insulator (17) are separate components. 10. The turbocharger as claimed in claim 1, wherein the material layers (5, 6) and the insulator (17) consist of the same or of different material. 11. A disk spring (4) for a turbocharger (1) comprising: at least two material layers (5,6) one material layer (6) being a thermal protection layer for the other material layer (5), the other material layer (5) being a disk spring layer (5); andan insulator (17) including a solid thermal insulating structure is arranged between the material layers (5,6), the insulator (17) including a clamping region (18) arranged between radially outer locating regions (11, 11′) of the material layers (5,6), and the insulator (17) further including a portion that extends beyond a radially outer end of a least one of the material layers (5,6). 12. The turbocharger as claimed in claim 1, wherein the first portion is angled relative to the second portion. 13. The turbocharger as claimed in claim 12, wherein the first portion is angled at about 90 degrees relative to the second portion. 14. The turbocharger as claimed in claim 1, wherein the second portion substantially surrounds at least one of the material layers. 15. The disk spring for a turbocharger as claimed in claim 11, wherein the clamping region is angled relative to the portion that extends beyond a radially outer end of a least one of the material layers. 16. The disk spring for a turbocharger as claimed in claim 15, wherein the clamping region is angled at about 90 degrees relative to the portion that extends beyond a radially outer end of at least one of the material layers. 17. The turbocharger as claimed in claim 11, wherein the portion that extends beyond a radially outer end of at least one of the material layers substantially surrounds at least one of the material layers.
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