EP 0947628 B1 2002-09-04 - Roller
DE 19814597 A
[origin: EP0947628A2] The circuit includes a pumping unit (17) inside the roller (1). PREFERRED FEATURES:- The pumping unit fixed at one end in the roller and rotates with it. The pump surrounds a roller stub shaft, extending to a radial extremity of the circuit. Its drive pinion runs in a fixed ring gear (21,22), turning it as the roller rotates. The heat exchanger (5) secondary side includes axi-parallel tubes inside a chamber, with a supply connection. It has a distribution pipe passing the heat exchange fluid, surrounding a flow path of the outer heat exchange fluid. The distribution tube has openings (16) distributed circumferentially and axially.
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
CPC (invention and additional information)
Designated contracting state (EPC)
DE FI FR GB