Assembly for temperature control of a fountain fluid and/or selected rolls of a printing press
US5657637A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Nov 17, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/21172
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An assembly for temperature control of a fountain (dampening) fluid and/or selected rolls of a printing press, comprising a first open-circuit circulating system (U.sub.I) for supplying a fountain fluid application mechanism with a fountain fluid from a fountain fluid reservoir and a second closed-circuit circulating system (U.sub.II) for supplying a roll cooling mechanism with a cooling fluid. Each circulating system (U.sub.I, U.sub.II) is assigned a heat exchanger (3,4). The heat exchangers (3,4) receive refrigerant from a refrigeration mechanism having a power-switchable compressor (10) including a refrigerant return, thus enabling a refrigeration output to be adapted to demands in selectable operating modes "fountain-fluid cooling only", "cooling-fluid cooling only" or "fountain-fluid and cooling-fluid cooling".
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.