Global Patent Index - EP 3775569 A1

EP 3775569 A1 20210217 - RADIAL BLOWER

Title (en)

RADIAL BLOWER

Title (de)

RADIALGEBLÄSE

Title (fr)

VENTILATEUR CENTRIFUGE

Publication

EP 3775569 A1 20210217 (DE)

Application

EP 19716109 A 20190402

Priority

  • DE 102018108828 A 20180413
  • EP 2019058234 W 20190402

Abstract (en)

[origin: WO2019197207A1] The invention relates to a radial blower, in particular for a cooling machine, comprising a housing (21) in which a shaft (17) is rotationally mounted, which receives at least one impeller wheel (16) of a compressor (27) at one end, which is secured to the housing (21), comprising at least one radial bearing (22) and at least one axial bearing (31) via which the shaft (17) is rotationally mounted in the housing (21), and comprising a motor (20) driven by a rotor (18) and a stator (19) and provided between the first and the second radial bearing (22, 23), wherein at least one channel (41) having a pressure connection (54) for a pressure medium to be supplied is provided in the housing (21), which channel feeds into a rotor space (46) formed between the shaft (17) and the housing (21) and extending from the impeller wheel (16) to the radial bearing (22, 23) or axial bearing (31), which is provided next to the impeller wheel (16).

IPC 8 full level

F04D 29/057 (2006.01); F04D 29/051 (2006.01)

CPC (source: EP US)

F04D 29/0513 (2013.01 - EP); F04D 29/056 (2013.01 - US); F04D 29/057 (2013.01 - EP); F04D 29/4206 (2013.01 - US)

Citation (examination)

EP 1961964 A2 20080827 - JTEKT CORP [JP]

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019197207 A1 20191017; CA 3096808 A1 20191017; CA 3096808 C 20230704; CN 111954763 A 20201117; CN 111954763 B 20230801; DE 102018108828 A1 20191017; EP 3775569 A1 20210217; TW 202004027 A 20200116; TW I823924 B 20231201; US 11333158 B2 20220517; US 2021164483 A1 20210603

DOCDB simple family (application)

EP 2019058234 W 20190402; CA 3096808 A 20190402; CN 201980025236 A 20190402; DE 102018108828 A 20180413; EP 19716109 A 20190402; TW 108112687 A 20190411; US 201917047214 A 20190402