EP 3662204 A1 20200610 - CIRCULATION PUMP ASSEMBLY
Title (en)
CIRCULATION PUMP ASSEMBLY
Title (de)
UMWÄLZPUMPENAGGREGAT
Title (fr)
UNITÉ DE POMPE DE CIRCULATION
Publication
Application
Priority
- EP 17184776 A 20170803
- EP 2018070968 W 20180802
Abstract (en)
[origin: WO2019025525A1] The invention relates to a circulation pump assembly comprising a first inlet (84), an outlet (80), an electric drive motor (30) and at least one impeller (68; 100) driven by the drive motor (30) and which has at least one first flow path (26; 48) positioned in a connection between the first inlet (84) and the outlet (80) for increasing the pressure of a fluid, wherein the circulation pump assembly has a second inlet (86) and the at least one impeller (68; 100) has at least one second flow path (28; 50) for increasing the pressure of a fluid, which is positioned in a connection of the second inlet (86) to the outlet (80), as well as a heating system having a circulation pump assembly of this type.
IPC 8 full level
F24D 3/02 (2006.01); F04D 15/00 (2006.01)
CPC (source: EP US)
F04D 1/006 (2013.01 - US); F04D 13/14 (2013.01 - US); F04D 15/0016 (2013.01 - EP US); F04D 15/0022 (2013.01 - US); F04D 15/0066 (2013.01 - EP); F04D 29/4293 (2013.01 - US); F24D 3/02 (2013.01 - EP US); F24D 3/105 (2013.01 - EP US); F24D 2220/0207 (2013.01 - US); F24D 2220/0271 (2013.01 - US); F24D 2220/042 (2013.01 - US); Y10T 137/85954 (2015.04 - US); Y10T 137/86163 (2015.04 - US)
Citation (search report)
See references of WO 2019025525A1
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 3438555 A1 20190206; CN 110998191 A 20200410; CN 110998191 B 20211221; EP 3662204 A1 20200610; US 11359822 B2 20220614; US 2020340684 A1 20201029; WO 2019025525 A1 20190207
DOCDB simple family (application)
EP 17184776 A 20170803; CN 201880050279 A 20180802; EP 18745974 A 20180802; EP 2018070968 W 20180802; US 201816635787 A 20180802