Rolling bearing arrangement of a shaft of an exhaust-gas turbocharger
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04D-029/40
F01D-025/16
F01D-025/18
F16C-033/66
F16C-025/06
F16C-019/54
F02B-039/14
F16C-019/16
출원번호
US-0235567
(2012-08-02)
등록번호
US-9638210
(2017-05-02)
우선권정보
DE-10 2011 109 758 (2011-08-09)
국제출원번호
PCT/US2012/049251
(2012-08-02)
§371/§102 date
20140128
(20140128)
국제공개번호
WO2013/022684
(2013-02-14)
발명자
/ 주소
Zeppei, Dieter
출원인 / 주소
BorgWarner Inc.
대리인 / 주소
Tucker, A. Michael
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A rolling bearing arrangement (1) of a shaft (2) of an exhaust-gas turbocharger (3) having two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on the shaft (2) and between which (6, 7) is arranged a spacer (8), and the outer rings (9, 10) of which are seated in a b
A rolling bearing arrangement (1) of a shaft (2) of an exhaust-gas turbocharger (3) having two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on the shaft (2) and between which (6, 7) is arranged a spacer (8), and the outer rings (9, 10) of which are seated in a bearing bushing (12) which is fastened in a bearing housing (11); and having an oil supply device (13) arranged in the bearing housing (11), which oil supply device is flow-connected to an oil supply duct (14A, 14B) which is arranged in the bearing bushing (12) and which opens into an annular chamber (15). A check valve (16) is arranged in the oil supply duct (14A, 14B).
대표청구항▼
1. A rolling bearing arrangement (1) of a shaft (2) of an exhaust-gas turbocharger (3) having two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on the shaft (2) and between which (6, 7) is arranged a spacer (8), andthe outer rings (9, 10) of which are seated in a
1. A rolling bearing arrangement (1) of a shaft (2) of an exhaust-gas turbocharger (3) having two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on the shaft (2) and between which (6, 7) is arranged a spacer (8), andthe outer rings (9, 10) of which are seated in a bearing bushing (12) which is fastened in a bearing housing (11); andan oil supply device (13) arranged in the bearing housing (11), which oil supply device is flow-connected to an oil supply duct (14A, 14B) which is arranged in the bearing bushing (12) and which opens into an annular chamber (15), wherein a check valve (16) is arranged in the oil supply duct (14A, 14B), andthe annular chamber (15) is arranged directly adjacent to the outer ring (9) of one (4) of the two rolling bearings (4, 5). 2. A rolling bearing arrangement (1) of a shaft (2) of an exhaust-gas turbocharger (3) having two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on the shaft (2) and between which (6, 7) is arranged a spacer (8), andthe outer rings (9, 10) of which are seated in a bearing bushing (12) which is fastened in a bearing housing (11); andan oil supply device (13) arranged in the bearing housing (11), which oil supply device is flow-connected to an oil supply duct (14A, 14B) which is arranged in the bearing bushing (12) and which opens into an annular chamber (15), wherein a check valve (16) is arranged in the oil supply duct (14A, 14B), andthe bearing bushing (12) is divided into two bushing parts (12A, 12B), wherein a first bushing part (12A) is fixed in the bearing housing (11) and a second bushing part (12B) is guided so as to be displaceable relative to the first bushing part (12A) in the axial direction (A) of the shaft (2), and wherein the annular chamber (15) is arranged between the first and the second bushing part (12A, 12B). 3. The rolling bearing arrangement as claimed in claim 2, wherein a seal (21) is arranged between the bushing parts (12A, 12B). 4. An exhaust-gas turbocharger (3) having a bearing housing (11); anda rolling bearing arrangement (1) which has two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on a shaft (2) and between which (6, 7) is arranged a spacer (8), wherein the outer rings (9, 10) of the rolling bearings (4, 5) are seated in a bearing bushing (12) which is fastened in the bearing housing (11);wherein an oil supply device (13) is arranged in the bearing housing (11), which oil supply device is flow-connected to an oil supply duct (14A, 14B) which is arranged in the bearing bushing (12) and which opens into an annular chamber (15),wherein a check valve (16) is arranged in the oil supply duct (14A, 14B), andwherein the annular chamber (15) is arranged directly adjacent to the outer ring (9) of one (4) of the two rolling bearings (4, 5). 5. An exhaust-gas turbocharger (3) having a bearing housing (11); anda rolling bearing arrangement (1) which has two spaced-apart rolling bearings (4, 5), the inner rings (6, 7) of which are arranged on a shaft (2) and between which (6, 7) is arranged a spacer (8), wherein the outer rings (9, 10) of the rolling bearings (4, 5) are seated in a bearing bushing (12) which is fastened in the bearing housing (11);wherein an oil supply device (13) is arranged in the bearing housing (11), which oil supply device is flow-connected to an oil supply duct (14A, 14B) which is arranged in the bearing bushing (12) and which opens into an annular chamber (15),wherein a check valve (16) is arranged in the oil supply duct (14A, 14B), andwherein the bearing bushing (12) is divided into two bushing parts (12A, 12B), wherein a first bushing part (12A) is fixed in the bearing housing (11) and a second bushing part (12B) is guided so as to be displaceable relative to the first bushing part (12A) in the axial direction (A) of the shaft (2), and wherein the annular chamber (15) is arranged between the first and the second bushing part (12A, 12B). 6. The rolling bearing arrangement as claimed in claim 5, wherein a seal (21) is arranged between the bushing parts (12A, 12B).
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이 특허에 인용된 특허 (8)
Perego Ambrogio (Wettingen CHX), Axially pre-tensioned rolling contact bearing arrangement.
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