Global Patent Index - EP 3904695 A1

EP 3904695 A1 20211103 - BOWL PUMP AND VERTICAL BOWL PUMP ARRANGEMENT

Title (en)

BOWL PUMP AND VERTICAL BOWL PUMP ARRANGEMENT

Title (de)

SCHÜSSELPUMPE UND VERTIKALE SCHÜSSELPUMPENANORDNUNG

Title (fr)

POMPE DE CUVE ET AGENCEMENT DE POMPE DE CUVE VERTICAL

Publication

EP 3904695 A1 20211103 (EN)

Application

EP 20171820 A 20200428

Priority

EP 20171820 A 20200428

Abstract (en)

The invention relates to a bowl pump and a vertical bowl pump arrangement. The bowl pump (1) comprises a pump housing (10), a hub (14) and guide vanes (23) extending between the hub (14) and pump housing (10). The guide vanes (23) has a positive lean angle, i.e. a mean radial span vane angle determined as a mean value of a pressure side radial span (26) vane angle (a) and a suction side radial span (27) vane angle (β) is equal to or more than 30 degrees from 0,1 to 0,2 relative axial position of the guide vane (23).

IPC 8 full level

F04D 29/44 (2006.01); F04D 1/06 (2006.01); F04D 13/10 (2006.01); F04D 29/42 (2006.01)

CPC (source: EP)

F04D 1/066 (2013.01); F04D 13/10 (2013.01); F04D 29/426 (2013.01); F04D 29/448 (2013.01); F05D 2240/123 (2013.01); F05D 2240/124 (2013.01)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3904695 A1 20211103; CN 115461543 A 20221209; WO 2021219678 A1 20211104

DOCDB simple family (application)

EP 20171820 A 20200428; CN 202180031607 A 20210428; EP 2021061044 W 20210428