Apparatus for trapping, signalling presence of and collecting debris in waterways
US5562819A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | Nov 8, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/48
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for trapping and collecting debris including an in-line trap contained in a subterranean chamber having an inlet and an outlet for connection to an underground conduit such as a sewer or storm drain conduit. The trap comprises a net being closed on all sides except on an inlet side which faces the inlet to the chamber. The chamber is contained in a vault having a set of upper doors and the bag is attached to a frame structure having suitable supports which may be grasped such that the bag may be lifted upwardly through the doors for replacement. An overflow weir is provided for allow flow past the trap when the bag is full of debris. Sensing systems are further provided for detecting and signalling when the bag is full. A multi-bag system is also disclosed in which at least two bags in parallel are provided such that one bag may accommodate overflow when the other is being serviced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.