基本信息:
- 专利标题： BAGUES DE PALIERS SOUPLE ET RAIDE FUSIONNEES
- 专利标题（英）：FUSED SOFT AND HARD BEARING RINGS
- 申请号：PCT/FR2021/050535 申请日：2021-03-26
- 公开(公告)号：WO2021191571A1 公开(公告)日：2021-09-30
- 发明人： BRAULT, Michel Gilbert Roland , BECOULET, Julien Fabien Patrick , FORMICA, Olivier , ROSSET, Patrice Jean-Marc , TAN-KIM, Alexandre Jean-Marie
- 申请人： SAFRAN AIRCRAFT ENGINES
- 申请人地址： 2 boulevard du Général Martial Valin
- 专利权人： SAFRAN AIRCRAFT ENGINES
- 当前专利权人： SAFRAN AIRCRAFT ENGINES
- 当前专利权人地址： 2 boulevard du Général Martial Valin
- 代理机构： BARBE, Laurent et al.
- 优先权： FR2003072 2020-03-27
- 主分类号： F01D25/16
- IPC分类号： F01D25/16 ; F04D19/02 ; F04D29/059 ; F04D29/64 ; F04D29/66 ; F16C27/04 ; F01D25/164 ; F04D19/026 ; F04D29/644 ; F04D29/668 ; F16C19/54 ; F16C2360/23 ; F16C27/045 ; F16C33/586
The invention relates to an enclosure (26) for a turbomachine (10) comprising a turbomachine drive shaft (16) rotating about a longitudinal axis (X) by means of two roller bearings (22, 24), an upstream bearing (22) and a downstream bearing (24) each comprising an inner ring (28a, 28b) carried by the drive shaft (16), the enclosure (26) being characterised in that the two bearings (22, 24) share a single integral outer ring (35), said single outer ring (35) having an upstream end (36a) and a downstream end (36b), the upstream end (36a) and the downstream end (36b) being connected to one another by a section of studs (34), the single outer ring (35) additionally being carried by an upstream base plate (38a) and a downstream base plate (38b) of a bearing support (40) which is capable of being attached to a stationary structure of the turbomachine (10).
IPC结构图谱:
| F | 机械工程；照明；加热；武器；爆破 |
| --F01 | 一般机器或发动机；一般的发动机装置；蒸汽机 |
| ----F01D | 非变容式机器或发动机，如汽轮机 |
| ------F01D25/00 | 不包含在其他各组或与其无关的部件、零件或附件 |
| --------F01D25/16 | .轴承的布置；轴承在壳体中的支承或安装 |