Underwater vehicle and method of positioning same

Details Underwater vehicle and method of positioning same Underwater vehicle and method of positioning same

B - Operations, Transporting

63

G

B63G 8/00 (2006.01) B08B 9/087 (2006.01) B63B 21/50 (2006.01) B63B 59/10 (2006.01) G01S 15/88 (2006.01) G21C 17/01 (2006.01)

Patent

CA 2194109

A vehicle or robot movable in the water includes a body having a first opening in its abdomen. A float is provided at the front portion of the body so that the vehicle body suspends in the water with its front portion up. A pressure reducing device is provided in the body for reducing an inner pressure of the body so as to cause the body to suctionally adhere on a wall in the water with its abdomen facing the wall. A sealing skirt is attached along the first opening formed in the abdomen so that it contacts the wall to maintain the body's inner pressure negative as the body adheres on the wall. A drive unit is also provided in the body for moving the body on the wall. The pressure reducing device includes a hose communicated with the body at its one end and a pump connected with the other end of the hose for pulling water out of the body.

La présente invention vise un véhicule ou un robot submersible dont l'enveloppe comporte une ouverture dans la partie inférieure. L'appareil est doté d'un flotteur à l'avant, de sorte que la partie avant est relevée quand il est en suspension dans l'eau. Un dispositif de réduction de la pression aménagé dans l'enveloppe permet de réduire la pression intérieure de façon à ce que la partie inférieure de l'enveloppe adhère par succion à une paroi sous l'eau. Une bande d'étanchéité attachée autour de l'ouverture permet d'assurer l'adhérence de l'appareil à la paroi submergée en maintenant une pression négative à l'intérieur de l'enveloppe. L'appareil est également doté d'un moteur permettant de le déplacer sur la paroi. Le dispositif de réduction de la pression comprend un boyau dont l'une des extrémités est rattachée à l'enveloppe et l'autre à une pompe permettant de retirer l'eau de l'enveloppe.

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