Marine propulsion – Screw propeller – Having means to control flow around propeller
Reexamination Certificate
2005-04-12
2009-06-23
Sotelo, Jesus D (Department: 3617)
Marine propulsion
Screw propeller
Having means to control flow around propeller
C114S151000
Reexamination Certificate
active
07549903
ABSTRACT:
The present invention relates to a method and an auxiliary device in connection with disassembly and/or assembly of a tunnel thruster unit by use of the auxiliary device (1) to guide the thruster unit (2) and its movement during disassembly/assembly inside the tunnel (4), the thruster unit (2) thereafter being led away through the tunnel (4), said auxiliary device (1) being removably fixed at the thruster unit (2) before final disassembly, such that the auxiliary device (1) controls the movement during disassembly/assembly, mainly by compressive forces.
REFERENCES:
patent: 3550547 (1970-12-01), Pleuger et al.
patent: 4066035 (1978-01-01), Haglund et al.
patent: 4634389 (1987-01-01), Eptaminitakis
patent: 4696650 (1987-09-01), Haglund
International Search Report Dated Jun. 27, 2005.
Bednarek Michael
Paul Hastings Janofsky & Walker LLP
Rolls-Royce Aktiebolag
Sotelo Jesus D
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