Device for cycling blast or suction air in a sheet processing machine
US7584957B2 · kind B2 · utility
4Cited by
14References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2006 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Jun 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87346
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A device for controlling blast and/or suction air in a sheet processing machine, especially a printing press, includes a rotary valve for making ready different positive and negative pressure levels during a work cycle. The rotary valve is connected as a bypass parallel to a supply line between a consumer or load and a positive and negative pressure source. The rotary valve is connected at an input side thereof with the ambient air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.