Vacuum plenum system for facilitating the high-speed conveyance of mail pieces
US7014187B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2003 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Nov 29, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/1916
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A new and improved article or mail-piece conveyor system has a vacuum plenum system integrally incorporated therein which effectively withdraws ambient air ahead or downstream of the oncoming conveyed articles or mail pieces such that the oncoming conveyed articles or mail pieces will not be subjected to tip vortices and/or other disruptive aerodynamic forces. In this manner, the articles or mail pieces will not be subjected to destabilizing aerodynamic circulation, currents, downflow, downwash, or momentum forces so as not to, in turn, exhibit flutter, fluctuations, or oscillation movements. Accordingly, extremely high speed conveyance of the articles or mail pieces, within the range of, for example, two hundred inches per second (200 ips) can in fact be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.