Global Patent Index - EP 3847372 A4

EP 3847372 A4 20220727 - LUBRICATION-FREE CENTRIFUGAL COMPRESSOR

Title (en)

LUBRICATION-FREE CENTRIFUGAL COMPRESSOR

Title (de)

SCHMIERMITTELFREIER ZENTRIFUGALVERDICHTER

Title (fr)

COMPRESSEUR CENTRIFUGE SANS LUBRIFICATION

Publication

EP 3847372 A4 20220727 (EN)

Application

EP 19888086 A 20191120

Priority

  • US 201862769323 P 20181119
  • US 2019062465 W 20191120

Abstract (en)

[origin: WO2020106879A1] A gas compression compact device comprised of: a) one or more centrifugal compressors; and b) a high speed axial flow permanent magnet synchronous electric motor. The electric motor and the compressor are directly coupled on a single axis and supported by passive magnetic and electrodynamic bearings, free of lubrication. The equipment does not use mechanic seals since the rotor is placed inside the pressure containment of the gas. The equipment does not require auxiliary systems for cooling, filtration, separation or feeding of lubricant fluids.

IPC 8 full level

F04D 17/10 (2006.01); F04D 17/12 (2006.01); F04D 25/06 (2006.01); F04D 29/058 (2006.01)

CPC (source: EP US)

F04D 17/10 (2013.01 - EP US); F04D 17/122 (2013.01 - EP); F04D 25/06 (2013.01 - US); F04D 25/0653 (2013.01 - EP US); F04D 29/0413 (2013.01 - US); F04D 29/058 (2013.01 - EP)

Citation (search report)

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 2020106879 A1 20200528; BR 112021009442 A2 20210817; BR 112021009442 A8 20210908; CA 3115111 A1 20200528; CN 113383164 A 20210910; EP 3847372 A1 20210714; EP 3847372 A4 20220727; JP 2022536225 A 20220815; MX 2021002763 A 20210512; US 2022049709 A1 20220217

DOCDB simple family (application)

US 2019062465 W 20191120; BR 112021009442 A 20191120; CA 3115111 A 20191120; CN 201980074924 A 20191120; EP 19888086 A 20191120; JP 2021527079 A 20191120; MX 2021002763 A 20191120; US 201917275106 A 20191120