Apparatus and system for filling one or more containers with a liquid to a predetermined level
US4527593A · kind A · utility
Inventor
Key dates
| Filing date | May 4, 1983 |
| Grant date | Jul 9, 1985 |
| Priority date | — |
| Expiry date | May 4, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/731
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus and system for filling containers with a required liquid to a predetermined level are disclosed. The apparatus includes a main valve means for controlling the flow of liquid through the apparatus and into the container; a fluid amplifier means for receiving at least a portion of the liquid from the main valve means and for generating a pressure signal until such time as the liquid within the container reaches the predetermined level; and pilot valve means for maintaining the main valve means open in the presence of the pressure signal from the fluid amplifier and for closing the main valve means in the absence of the pressure signal. The system includes the aforesaid apparatus together with liquid supply conduit and valve means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.