Compact automatic homogenized liquid detergent dispensing device
US8348105B2 · kind B2 · utility
6Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2009 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Apr 27, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F25/4523
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A foam dispensing device creates and dispenses foam from a source of liquid. The device employs a mixing chamber upstream of a unit of porous material and an outlet. When activated, a single motor powers a liquid pump and an air pump. The liquid pump transports liquid from a source to the mixing chamber. The air pump propels air through the mixing chamber wherein the air becomes pressurized. The liquid and air mix within in the mixing chamber. The liquid-air mixture is propelled through the porous material by the flow of air, creating a foam that is dispensed from the outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.