EP 1381743 B1 20070207 - FILTERING METHOD FOR SWIMMING POOLS WITH WATER FLOW RATE MULTIPLYING UNIT
Title (en)
FILTERING METHOD FOR SWIMMING POOLS WITH WATER FLOW RATE MULTIPLYING UNIT
Title (de)
VERFAHREN ZUM FILTERN VON SCHWIMMBECKEN MIT VERSTÄRKER DER WASSERDURCHFLUSSMENGE
Title (fr)
PROCEDE DE FILTRATION POUR PISCINES AVEC MULTIPLICATEUR DE DEBIT D'EAU
Publication
Application
Priority
- FR 0201370 W 20020422
- FR 0105556 A 20010425
Abstract (en)
[origin: WO02086259A1] The invention concerns a method for filtering swimming pools, with a water flow rate multiplying unit for implementing the method and the resulting swimming pools. The invention is characterised in that it consists in using at least part of the flow rate of the backflowing water of the recirculating pump (10) to direct it into at least one flow rate multiplying unit (30) consisting essentially of a convergent nozzle followed by a divergent nozzle with an intermediate intake (29) of said pump backflowing water flow, whereof the inlet of the convergent nozzle communicates with at least an intake (23) of water to be filtered coming from the swimming pool and which passes in a filter (31) suitably arranged upstream of said inlet, and whereof the outlet on the divergent nozzle side emerges into the pool forming a backflow.
IPC 8 full level
E04H 4/12 (2006.01)
CPC (source: EP US)
E04H 4/1272 (2013.01 - EP US); Y10T 137/87571 (2015.04 - EP US)
Designated contracting state (EPC)
DE ES IT PT
DOCDB simple family (publication)
WO 02086259 A1 20021031; DE 60218026 D1 20070322; DE 60218026 T2 20091008; EP 1381743 A1 20040121; EP 1381743 B1 20070207; ES 2281514 T3 20071001; FR 2823988 A1 20021031; FR 2823988 B1 20040326; PT 1381743 E 20070531; US 2003141232 A1 20030731; US 6830680 B2 20041214
DOCDB simple family (application)
FR 0201370 W 20020422; DE 60218026 T 20020422; EP 02726267 A 20020422; ES 02726267 T 20020422; FR 0105556 A 20010425; PT 02726267 T 20020422; US 31106702 A 20021213