Ships – Steering mechanism – Fluid pressure
Reexamination Certificate
2007-02-13
2007-02-13
Vasudeva, Ajay (Department: 3617)
Ships
Steering mechanism
Fluid pressure
C440S038000, C440S040000
Reexamination Certificate
active
11224990
ABSTRACT:
A boat propulsion system includes a plurality of positive displacement pumps which having high discharge head and having inlets and outlets therein and a controlling panel having circuits, wherein the pumps are mounted on a bottom of a boat and driven by a motive power. By means of different positions of the outlets in each pump or different power transmission of each pump and cooperating with using the controlling panel, the boat can therefore move toward desired directions and enhancing power transmission by the pumps are drawn uniform flow when the boat is moved.
REFERENCES:
patent: 638211 (1899-12-01), Boes
patent: 3209717 (1965-10-01), Campbell et al.
patent: 3283735 (1966-11-01), Sugino
patent: 4807552 (1989-02-01), Fowler
patent: 6394015 (2002-05-01), Gabriel
patent: 6932013 (2005-08-01), Shen et al.
Liung Feng Industrial Co., Ltd.
Troxell Law Office PLLC
Vasudeva Ajay
LandOfFree
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