| 发明名称 | Use of double coil-strip springs for electric fuel pumps | ||
| 摘要 | An electrical machine (1). The electrical machine (1) has a commutator (3), a brush (5) and a spring. In this case, the brush (5) is designed to make contact with the commutator (3). The spring is provided for the purpose of pressing the brush (5) against the commutator (3). In this case, the spring is designed as a coil spring (7) with a first coil strip (9) and a second coil strip (11). | ||
| 申请公布号 | US9143016(B2) | 申请公布日期 | 2015.09.22 |
| 申请号 | US201213607846 | 申请日期 | 2012.09.10 |
| 申请人 | Robert Bosch GmbH | 发明人 | Constantinides Ina;Skljarow Paul;Kraft Frank |
| 分类号 | H02K13/00;H02K5/14 | 主分类号 | H02K13/00 |
| 代理机构 | Michael Best & Friedrich LLP | 代理人 | Michael Best & Friedrich LLP |
| 主权项 | 1. An electrical machine (1), the electrical machine (1) having a commutator (3); a brush (5) which is designed to make contact with the commutator (3); and a spring for pressing the brush (5) against the commutator (3); characterized in that the spring is designed as a coil spring (7) with a first coil strip (9) and a second coil strip (11). | ||
| 地址 | Stuttgart DE | ||