Nursing machine host and nursing machine to which same belongs
US11872173B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2019 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Dec 13, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Provided is a main unit of a nursing machine, including a sewage bucket accommodating sewage, a water blocking device, a first water tank, a second water tank, a water pump, a first waterway, a second waterway, and a third waterway. The water blocking device includes a labyrinth-type channel communicating with a water storage cavity and a float accommodation cavity, and multiple division boards extending up and down to perform separation to form the labyrinth-type channel. The labyrinth-type channel is located between the water storage cavity and the float accommodation cavity, and communicates between the water storage cavity and the float accommodation cavity. The second water tank is provided with a first water inlet and a first water outlet. The water pump joins the third waterway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.