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US 9,845,138 B2Granted
Water sport device having a fin
AssigneeSophia Verwaltungs GmbH
InventorBenjamin Köhnsen
Life of this patent
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Abstract
The invention relates to a water sport device having a sitting or standing surface (2) for a person practicing water sports, a jet drive (8) and a pivotable nozzle (13), wherein a fin (23) is disposed at the nozzle (13) and is arranged in a fixed position relative to said nozzle.
Claims4
A surfboard, comprising:
- a sitting or standing surface (2) for a person practicing water sports,
- a jet drive (8),
- a pivotable nozzle (13),
- wherein a fin (23) is provided on the pivotable nozzle (13) and is mounted in a fixed position relative to the pivotable nozzle (13) and by an inlet (19) in an underwater surface (16) of the surfboard and wherein water is sucked in through the inlet (19) and is accelerated by a propeller (21) provided in a water channel between the inlet (19) and the nozzle (13) and is pushed out of the pivotable nozzle (13);
- and
- wherein the fin (23) has a rear control surface (23a) located behind the axis of rotation (D) of the nozzle (13) in a direction of movement of the surfboard and a front control surface (23b) provided in front of an axis of rotation (D) of the nozzle (13) in the direction of movement.
3 more elements
Dependencies are inferred from the claim text.