Beverage preparation machine with manually operated pump with flow control means
US12193597B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2018 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Sep 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/0652
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention relates to a beverage preparation machine (20) for providing a pressurized liquid to a dose of beverage ingredients (10) such as a coffee capsule, the machine comprising a pressurizing liquid chamber (1) designed for being filled with a predefined amount of liquid upon operation of a liquid pump (2) connected to a liquid reservoir (3) of the machine, a potential energy accumulator (4) that is associated to the pressurizing liquid chamber (1) and which is designed for being brought into a charged position upon filling of the pressurizing liquid chamber (1), a brewing chamber (5) for receiving the dose of beverage ingredients (10) and which is designed for being selectively brought in fluid communication with the pressurizing liquid chamber (1), the machine (20) further comprising flow control means (6a,6b) designed for regulating the amount of liquid conveyed from the liquid pump (2) into the pressurizing liquid chamber (1) depending on an operating position of the potential energy accumulator (4) and/or on the pressure of liquid in the pressurizing chamber (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.