Global Patent Index - EP 2879798 B1

EP 2879798 B1 20160907 - VERTICAL ROLLER MILL

Title (en)

VERTICAL ROLLER MILL

Title (de)

VERTIKALROLLENMÜHLE

Title (fr)

BROYEUR VERTICAL À GALETS

Publication

EP 2879798 B1 20160907 (DE)

Application

EP 13736839 A 20130703

Priority

  • DE 102012107127 A 20120803
  • EP 2013064044 W 20130703

Abstract (en)

[origin: WO2014019794A2] The vertical roller mill according to the invention has at least one, preferably a plurality of, grinding rollers and a grinding table, and also a nozzle ring arranged around the grinding table which is connected to a ring chamber arranged thereunder, the ring chamber having at least two gas inlets distributed across the periphery thereof. Said gas inlets discharge tangentially in the same rotational direction, and the ring chamber is delimited to the outside between the gas inlets by a spiral-shaped wall.

IPC 8 full level

B02C 15/00 (2006.01); B02C 15/04 (2006.01); B02C 23/32 (2006.01)

CPC (source: EP)

B02C 15/001 (2013.01); B02C 15/04 (2013.01); B02C 23/32 (2013.01)

Citation (opposition)

Opponent : Gebr. Pfeiffer SE

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2014019794 A2 20140206; WO 2014019794 A3 20140403; DE 102012107127 A1 20140206; DE 102012107127 B4 20170817; DK 2879798 T3 20170102; EP 2879798 A2 20150610; EP 2879798 B1 20160907

DOCDB simple family (application)

EP 2013064044 W 20130703; DE 102012107127 A 20120803; DK 13736839 T 20130703; EP 13736839 A 20130703