EP 1471260 A3 20050914 - Circulation pump with valve arrangement
Title (en)
Circulation pump with valve arrangement
Title (de)
Umwälzpumpe mit Ventileinrichtung
Title (fr)
Pompe de circulation avec dispositif de soupape
Publication
Application
Priority
- DE 10318701 A 20030424
- DE 10331973 A 20030714
Abstract (en)
[origin: EP1471260A2] The recirculating pump (1) and especially for a heating system, with a valve (13) which alters the cross section of the inflow opening according to temperature, has a control unit (14) within the pump housing (2) to set the valve. The control unit and the valve are at opposite sides of the pump motor (3,4). The valve setting unit (15) is at the valve setting rod (17) which is coaxially through the motor shaft (7). The control unit has a fluid-filled expansion vessel (19).
IPC 1-7
IPC 8 full level
F04D 15/00 (2006.01)
CPC (source: EP)
F04D 15/0022 (2013.01)
Citation (search report)
- [X] GB 191324516 A 19140730 - TAYLOR JOHN, et al
- [X] US 4643635 A 19870217 - LEACHMAN JR FRANK A [US]
- [X] DE 1056877 B 19590506 - DOWTY FUEL SYST LTD
- [X] EP 0148583 A1 19850717 - LUCAS IND PLC [GB]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1471260 A2 20041027; EP 1471260 A3 20050914; EP 1471260 B1 20070905; DE 502004004841 D1 20071018
DOCDB simple family (application)
EP 04003128 A 20040212; DE 502004004841 T 20040212