Tap assembly for a liquid vessel having an overfill protection device and a float controlled magnetic level gauge
US7219686B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2005 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8342
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This invention relates to a tap assembly for a liquid vessel, having an overfill protection device and a float controlled mechanical or magnetic level gauge. A single float actuates a stem of the overfill protection device as well as a rod of the level gauge. The rod of the level gauge has one end movable linearly in a valve body bore and carrying a permanent magnet for actuating a magnetic level indicator. In one embodiment a crank mechanism may be provided between a float lever and the rod of the level gauge to cause the rod to effectuate a swinging movement and simultaneously displace the rod longitudinally to cause linear displacement of the permanent magnet in the valve body bore. In another embodiment the rod may be actuated by a cam to cause axial displacement thereof without swinging motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.