Ships – Steering mechanism – Rudders
Patent
1979-05-09
1980-12-09
Halvosa, George E. A.
Ships
Steering mechanism
Rudders
114145R, B63H 2534
Patent
active
042378087
ABSTRACT:
This invention relates to stern braking device in a form of a shield, which is characterised by placing the shield behind the propeller and the rudder, which at top part has a concave cross section on both sides of plane of symmetry and a hydraulic stabilizer and is hingewise connected at the top, to a lifting gear capable of sliding up and down, whereas the bottom of the shield is connected hingewise to the ship's hull.
REFERENCES:
patent: 655140 (1900-07-01), Wendler
patent: 2751875 (1956-06-01), Henry
patent: 2998795 (1961-09-01), Downie et al.
patent: 3046928 (1962-07-01), Sherrill
patent: 4026231 (1977-05-01), Fedorko
Halvosa George E. A.
Politechnika Gdanska
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