Blower
US6278207A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 2000 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | May 2, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
To improve dust-proof and drip/water-proof characteristics of a blower. In a blower constructed by forming a bearing housing (4) at the center of a tubular casing (1), supporting a shaft (7) with bearings (5), (6) that are supported with the bearing housing, attaching a impeller (9), a motor yoke (12), etc., to the shaft (7), and arranging a stator core (17) inside the motor yoke (12), one end of the bearing housing (4) is elongated to form therein a chamber (21), and a PC board (18) is housed in the chamber (21). A connection terminal (19) projected from the stator coil (16) is connected to electronic circuits mounted on the PC board (18), and an opening of the chamber (21) is covered with a lid plate (22). The PC board (18) is thus surrounded by the chamber (21), so that it is protected from dust and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.