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Title:
APPARATUS AND METHOD FOR THE DREDGING OF SEDIMENTS FROM THE SEABED
Document Type and Number:
WIPO Patent Application WO/2012/153169
Kind Code:
A8
Abstract:
A dredging apparatus (1) is described for removing sediments from a bed (F) of an expanse of water (S), comprising: a suction apparatus (5) including a) a submersible pump (18) including: a housing body (17) provided with an inlet mouth (19) and with a discharge opening (20) and an impeller (21) rotatably supported in the body (17) between the inlet mouth (19) and the discharge opening (20) and rotatably driven by a respective driving device (22); and b) a suction head (9) associated to the inlet mouth (19) of the housing body (17) of the pump (18) and provided at the bottom with a suction opening (23) of the sediments; wherein the suction opening (23) of the head (9) has a value of the cross-section area dimensioned to achieve in the working range of the pump (18) a suction speed capable of removing the sediments by means of the fluid dynamics removal action carried out by the water sucked into the head (9). The invention also describes a dredging method which may be carried out by means of such an apparatus.

Inventors:
BENEDETTI, Davide (Via Pradaccio 85, Massa, I-54100, IT)
BENEDETTI, Marco (Via Poggioletto 14, Massa, I-54100, IT)
Application Number:
IB2012/000092
Publication Date:
September 12, 2013
Filing Date:
January 23, 2012
Export Citation:
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Assignee:
DECOMAR S.P.A. (Via R. Mattioli 1, Pontedera, I-56025, IT)
BENEDETTI, Davide (Via Pradaccio 85, Massa, I-54100, IT)
BENEDETTI, Marco (Via Poggioletto 14, Massa, I-54100, IT)
International Classes:
E02F3/90; E02F3/88; E02F3/92; E02F5/00; E21C45/00; E21C50/00; F04D7/04; F04D13/08; F04D29/70
Attorney, Agent or Firm:
BOTTERO, Claudio et al. (Porta, Checcacci & Associati S.p.A.Via Trebbi, 20 Milano, I-20135, IT)
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