Skin washing machine using brushless DC motor, method of controlling same, and program recording medium for performing the controlling method
US9578998B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 14, 2013 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Jul 31, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2205/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a skin washing apparatus using a brushless DC motor, including: a case for the skin washing apparatus; an operation unit installed outside the case, for commanding an ON/OFF operation of the skin washing apparatus and an switching operation for forward and reverse rotations in unit of a predetermined angle; a brushless DC motor installed inside the case to be operated by electric power received from the power supply so as to be rotated forwardly and reversely in unit of a predetermined angle; a control unit for outputting an electrical signal for controlling forward and reverse rotations of the brushless electric motor by a predetermined angle in response to a switching signal of the operation unit; and a skin washing brush mounted on a shaft of the brushless electric motor to be rotated forwardly and reversely according to an operation of the brushless electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.