(19)
(11) EP 2 239 465 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.02.2018 Bulletin 2018/08

(43) Date of publication A2:
13.10.2010 Bulletin 2010/41

(21) Application number: 10250034.5

(22) Date of filing: 11.01.2010
(51) International Patent Classification (IPC): 
F04D 13/08(2006.01)
F04D 29/70(2006.01)
 F04D 15/00(2006.01)
(84) Designated Contracting States:
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 SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 31.03.2009 GB 0905580
02.09.2009 GB 0915307

(71) Applicant: Exel Industries S.A.
51200 Epernay (FR)

(72) Inventor:
  • Walters, George Leigh
    Nottingham NG10 4JL (GB)

(74) Representative: Faulkner, Thomas John et al
Cleveland 10 Fetter Lane
London EC4A 1BR
London EC4A 1BR (GB)

   


(54) Pond units


(57) A pond unit comprising a housing 1, a main inlet 3 into the housing for receiving water from a hose and a main outlet 4 from the housing for allowing water to leave the housing. The housing 1 has filtering apertures 14 therein which provide secondary inlets into the housing from a region surrounding the housing 1. The unit further comprising a flow control valve 5 which has a main flow passage 51 for receiving water from the main inlet 3 and feeding water towards the main outlet 4 and a controllable inlet 54a, 54b for controllably allowing flow of water from the interior of the housing and hence the secondary inlets 14 into the main flow passage. The flow control valve 5 comprises a control collar 56 for controlling a degree of openness of the controllable inlet 54a, 54b, wherein the control collar 56 is disposed around the main inlet 3 into the housing.







Search report









Search report