Patent · US Expired

Method and device for utilizing the waste heat that has accumulated during the supply of forced draught/compressed air to a printing press

US6868788B2 · kind B2 · utility

2Cited by
12References
12Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 15, 2001
Grant dateMar 22, 2005
Priority date
Expiry dateApr 3, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of and installation for supplying suction/compressed air and drying air to a printing machine, whereby the vacuum pumps and compressors which are necessary for supplying the suction air/compressed air are disposed together in a room with a separate air supply, wherein to homogenize if required condition air without extra costs the cooling air for the vacuum pumps or compressors is conducted substantially in a circuit, and the heated exhaust air of the vacuum pumps and the heated cooling air of the vacuum pumps and compressors are cooled in a heat exchanger and used for heating separate drying air.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.