(19)
(11)EP 2 610 160 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
03.09.2014 Bulletin 2014/36

(43)Date of publication A2:
03.07.2013 Bulletin 2013/27

(21)Application number: 11187180.2

(22)Date of filing:  28.10.2011
(51)Int. Cl.: 
B63B 17/00  (2006.01)
B63H 5/125  (2006.01)
(84)Designated Contracting States:
AL 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 RS SE SI SK SM TR
Designated Extension States:
BA ME

(30)Priority: 16.09.2010 US 383684 P
12.08.2011 US 201113209262

(71)Applicant: Thrustmaster of Texas, Inc.
Houston, TX 77041 (US)

(72)Inventors:
  • Bekker, Joannes Raymond Mari
    Houston, TX 77041 (US)
  • Moore, Sammy Russell
    Houston, TX 77041 (US)

(74)Representative: Haley, Stephen 
Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street
London EC2A 2ES
London EC2A 2ES (GB)

  


(54)System for lifting thrusters for providing maintenance to thrusters of floating vessels


(57) A system for lifting thrusters (6) of vessels enabling for maintenance to be safely provided on the thrusters (6) is disclosed herein. The system can include a lifting means (14) with a line (16) and a connector (17) to engage thrusters or portions of thrusters. A transport device (22) can be connected to the lifting means (14) for transporting the thrusters or the portions of the thrusters. Clamps (24a-24d) can secure thruster mounting flanges (34) to thruster well bottom flanges (20). A conduit (36) with a controller (40) and a pump (38) can allow water to flow into and out of the thruster wells (18). Seals adjacent the thruster mounting flanges can provide a connection between the flanges. A plurality of alignment guide plates (44) can be disposed concentrically around the thrusters (6) in the thruster wells (18) and for a rough alignment of the thrusters to the thruster mounting flanges (34). Fasteners can secure the thruster mounting flanges to the thruster well bottom flanges.