Automatic switching device and refrigeration device
US11125005B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 18, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Mar 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/116
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
One or more embodiments of an automatic switching device and a refrigeration device is provided. The automatic switching device includes an ejection structure including a transmission gear and a rack matching the transmission gear in transmission. The automatic switching device includes a driving device, connected to the transmission gear and used for driving the transmission gear to rotate, so as to drive the rack to extend forwards to open a door body or retract backwards to close the door body. The automatic switching device further includes an auxiliary control device including an inductor arranged on the rack, a first induction switch and a second induction switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.