Global Patent Index - EP 0708248 B1

EP 0708248 B1 2000-01-12 - Side channel compressor

Title (en)

Side channel compressor

Title (de)


Title (fr)

Compresseur à canal latéral


EP 0708248 B1 (DE)


EP 95115950 A


DE 4437589 A

Abstract (en)

[origin: EP0708248A2] The compressor has a 2-part housing (1,2) containing a rotary paddle wheel (4) having a number of paddle blades (6) attached to a carrier ring (5), fitted to a driven hub (7). The compression space between the paddle wheel and the housing is sealed in the vicinity of the carrier ring by radial sealing rings (8), on either side of the latter. The sealing rings are each held by a respective retaining ring (10), secured to a bearing surface provided by one or other part of the compressor housing. Pref. the retaining rings are secured by screws, each sealing ring having a notch for locating the end face of the carrier ring.

IPC 1-7 (main, further and additional classification)

F04D 23/00; F04D 29/16

IPC 8 full level (invention and additional information)

F04D 29/12 (2006.01); F04D 23/00 (2006.01); F04D 29/08 (2006.01)

CPC (invention and additional information)

F04D 23/008 (2013.01); F04D 29/083 (2013.01)

Designated contracting state (EPC)


DOCDB simple family

EP 0708248 A2 19960424; EP 0708248 A3 19970402; EP 0708248 B1 20000112; JP H08210293 A 19960820; US 5658126 A 19970819