Device for moving an object in relation to a fluid
AssigneeClavis Holdings AS
InventorMagomet S. Sagov
Life of this patent
Estimating the term…
Abstract
The device comprises at least one flap member (3) having a rear flap portion that runs in a plate plane, and a forward portion, as seen in the direction of motion (F). The forward portion (8) is connected to the object (2) in such manner that the flap portion (17) can be moved in the fluid transverse to the plate plane and between two positions which are on their respective sides of a neutral place (P). Furthermore, the device comprises an actuating means (8, 9) which allows a freely oscillating motion of the flap member (3; 61, 62), and a drive unit (6) for actuating the flap member (3; 61, 62) when the valve of an oscillation amplitude of the flap member (3; 61, 62) is less than a predetermined threshold value.
Claims28
A device for movement of an object in a direction of motion (F) relative to a fluid, wherein the combination of the known per se features that the device comprises
- at least one flap member (3;
- 61, 62) having a flap portion (17) that runs in a plate plane, and a forward portion (18), as seen in the direction of motion (F);
- a first connecting means (121) via which the forward portion (18) is connected to the object (2), and which allows the flap portion (17) to be moved in the fluid transverse to the plate plane between two positions which are on their respective sides of a neutral plane (P);
- an actuating means (8, 9) which together with the flap member (3;
- 61, 62) forms a mechanical oscillatory arrangement and is arranged to allow a freely oscillating motion of the flap member (3;
- 61, 62);
- and
- a drive unit (6) for intermittent actuation of the flap member (3;
- 61, 62) for starting the movement thereof and increasing the movement when the value of an oscillation amplitude of the flap member (3;
- 61, 62) is less than a predetermined threshold value.
Dependencies are inferred from the claim text.