EP 0964157 A1 19991215 - Well pump with integrated pressure switch
Title (en)
Well pump with integrated pressure switch
Title (de)
Tiefbrunnenpumpe mit integriertem Druckschalter
Title (fr)
Pompe de puits avec interrupteur à pression intégré
Publication
Application
Priority
IT MC980026 U 19980612
Abstract (en)
The present invention relates to a canned motor pump internally equipped with a pressure sensor capable of detecting the water pressure at the mouth of the external delivery pipe; it being provided that the pressure sensor is connected to a special electric circuit that enables it to activate or deactivate the motor of the electric pump when the water pressure reaches the set minimum or maximum value, respectively. <IMAGE>
IPC 1-7
IPC 8 full level
F04B 49/02 (2006.01); F04D 15/02 (2006.01)
CPC (source: EP)
F04B 49/022 (2013.01); F04D 15/0209 (2013.01); F04B 2205/05 (2013.01)
Citation (search report)
- [X] US 5281101 A 19940125 - BEVINGTON JACK T [US]
- [A] US 3865512 A 19750211 - DETERS ELMER M
- [A] EP 0233554 A2 19870826 - BOMIN SOLAR GMBH & CO KG [DE]
- [A] US 5518371 A 19960521 - WELLSTEIN STEFFEN R [US], et al
Designated contracting state (EPC)
DE DK ES FR IT NL PT
DOCDB simple family (publication)
EP 0964157 A1 19991215; IT 245159 Y1 20020319; IT MC980026 U1 19991212; IT MC980026 V0 19980612
DOCDB simple family (application)
EP 99830358 A 19990610; IT MC980026 U 19980612