Beverage brewing apparatus for vending machines
US4984511A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 27, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Nov 27, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F25/10
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A beverage extracting or brewing apparatus for vending machines includes a mixing ball for mixing water and raw material of a beverage, a cylinder having a spherical upper inner surface, a straight cylindrical communication path between the mixing ball and the cylinder having a flush inner surface, a valve opening and closing an inflow port of the cylinder and having a spherical upper surface, a valve shaft functioning as part of a pressurized air supply path into the cylinder, a filter positioned at the bottom of the cylinder and a pressurization device for supplying the pressurized air into the cylinder to forcibly filter the mixture liquid in the cylinder through the filter. The mixture liquid from the mixing ball can be sufficiently and efficiently mixed and stirred in the communication path and even in the cylinder, and smoothly flows into the cylinder through the space between the spherical inner surface of the cylinder and the spherical upper surface of the valve. The mixture liquid does not stick to various portions in the apparatus, thereby maintaining the apparatus sanitary. Since the mixture liquid is sufficiently and quickly mixed before being extracted, the processing …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.