Marine propulsion – Jet drive – Having means to increase fluid drive means efficiency
Patent
1994-04-06
1996-08-06
Basinger, Sherman
Marine propulsion
Jet drive
Having means to increase fluid drive means efficiency
239546, B63H 1110
Patent
active
055428630
ABSTRACT:
In jet pump liquid flow control apparatus the combination comprising an annular body and a liquid flow passage through the body, the passage defining a longitudinal axis; an annular series of flow controlling elements spaced about the axis with successive of the elements having primary portions extending in edge overlapping relation whereby the elements define a flow controlling section of the passage; and control means extending about the axis for controllably urging the primary portions of elements toward the axis thereby to control the cross sectional area of the passage sections.
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Brian Frank J.
Burrow Gary M.
Basinger Sherman
Haefliger William W.
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