Patent ID: 11938716
Assignee: BOBST BIELEFELD GMBH
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A printing machine comprising:
a printing unit adapted for printing on a web of carrier material, the printing unit including a printing drum;
a dryer unit adapted for drying the web of carrier material; and
a refrigeration unit comprising:
a coolant circuit having:
a first coolant circuit portion at least partially located inside the printing drum of the printing unit, wherein the first coolant circuit portion is adapted for absorbing heat originating from the printing drum of the printing unit, and
a second coolant circuit portion positioned in the dryer unit or adjacent to the dryer unit, wherein the second coolant circuit portion is adapted for delivering heat to the dryer unit,

wherein the refrigeration unit is adapted to transfer heat from the first coolant circuit portion adapted for absorbing heat originating from the printing drum to the second coolant circuit portion adapted for delivering heat to the dryer unit.