Vacuum pumping device and food processor
US11692536B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Apr 24, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a vacuum pumping device and a food processor. The vacuum pumping device includes an upper cover; a lower cover configured to cooperated with the upper cover to form a receiving cavity and including a connecting part at a lower portion of the lower cover, a wall of the receiving cavity defining an evacuation hole and an exhaust hole; a mounting support located in the receiving cavity and connected to the upper cover and/or the lower cover; a vacuum pump connected to the mounting support, and including an air inlet communicating with the evacuation hole and an air outlet communicating with the exhaust hole; a control circuit board connected to the mounting support and electrically connected to the vacuum pump; and a power supply device located in the receiving cavity and electrically connected to the control circuit board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.