| 发明名称 | Planetary gear device | ||
| 摘要 | A planetary gear device comprises planetary shafts, a planetary gear supported on the planetary shafts via bearings, and an internally-toothed gear. The planetary shafts are arranged at positions offset from a shaft center of the internally-toothed gear. Orbital motion of the planetary shafts is restricted so as to retrieve rotation output from a casing integrated with the internally-toothed gear. Lubricant in which the bearings around some of the plurality of planetary shafts are immersed is sealed in the casing. The planetary gear device further comprises a retention part for retaining the lubricant on a part integrally rotated with the casing. | ||
| 申请公布号 | US8932170(B2) | 申请公布日期 | 2015.01.13 |
| 申请号 | US201314085946 | 申请日期 | 2013.11.21 |
| 申请人 | Sumitomo Heavy Industries, Ltd. | 发明人 | Ishizuka Masayuki |
| 分类号 | F16H57/04;B60K17/04 | 主分类号 | F16H57/04 |
| 代理机构 | Buchanan Ingersoll & Rooney PC | 代理人 | Buchanan Ingersoll & Rooney PC |
| 主权项 | 1. A planetary gear device, comprising: planetary shafts; a planetary gear supported on the planetary shafts via bearings; and an internally-toothed gear, wherein the planetary shafts are arranged at positions offset from a shaft center of the internally-toothed gear, wherein orbital motion of the planetary shafts is restricted so as to retrieve rotation output from a casing integrated with the internally-toothed gear, and wherein lubricant in which the bearings around some of the planetary shafts are immersed is sealed in the casing, the planetary gear device further comprising a retention part for retaining the lubricant on a part integrally rotated with the casing. | ||
| 地址 | Tokyo JP | ||