1
Richard D Lee: Steering system for high performance powerboats. Fulwider Patton Lee & Utecht, November 1, 1994: US05359956 (22 worldwide citation)

A steering system for a high performance powerboat includes a secondary rudder which is located along the hull of the boat forward to the main aft rudder. An actuator is attached to the main rudder of the boat to effect rotation of the rudder about its axis of rotation for steering purposes. A secon ...


2
Brix Joachim Dipl Ing: Aerodynamic body surrounded with air or water.. Mtb Manovriertech Buero, September 28, 1988: EP0283730-A1 (22 worldwide citation)

By means of a diaphragm (20) arranged its wall surface, the aerodynamic body (100) can be converted into an aerodynamic body with a changed boundary and enlarged surface for producing local excess velocities and therefore controllable vacuum zones by active volumetric flow of a fluid into the interm ...


3
Alter Hobard L: Kickup rudder apparatus for boats. Coast Catamaran Corporation, April 13, 1971: US3575124 (16 worldwide citation)

A kickup rudder apparatus for a boat to be sailed off a beach. The rudder is movable between a lowered position, a dangling intermediate position, and a raised position. As a boat is sailed onto a beach the rudder automatically kicks up from its lowered position into its dangling position when the r ...


4
Milessa Aldo: Flexible rudder. June 20, 1972: US3670685 (13 worldwide citation)

A vessel rudder consisting of a woven plastic water deflecting plate of a substantially trapezoid shape tensionally supported by a vertical slotted rod which is positioned in the center plane of the vessel's stern. A rudder stock is also positioned in the center plane. But aft of the vertical slotte ...


5
Toki Naoji, Kobayashi Eiichi, Yasukawa Hironori, Manabe Noriyuki, Hoshino Tetsuji: Azimuth propeller apparatus and ship equipped with the apparatus. Mitsubishi Heavy, June 28, 2000: EP1013544-A2 (11 worldwide citation)

A vertical shaft (13) is connected at its upper end to the stern of a ship. A rudder plate (23) is secured to the shaft (13), for controlling the course of the ship. A pod (15) is mounted on the intermediate pate of the shaft (13). The pod (15) contains a drive device, which drives a propeller shaft ...


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Peter H Kaupat: Kayak steering system. Delbert J Barnard, December 3, 1985: US04556006 (10 worldwide citation)

A kayak steering apparatus for controlling kayak weathercocking during operation in side wind conditions. An elastomeric line in tension and a non-elastic control line are each attached to opposite side arms of a vertically pivoting rotor which is mounted to the stern of a kayak, with the rotor furt ...


8
Continuously changeable surface. Persson G N A Eriksson J E Kar, Bergholm J L, November 28, 1973: GB1339018-A (10 worldwide citation)

1339018 Chucks; tube expanders G N A PERSSON K J-E ERIKSSON S A KARLSSON and J L BERGHOLM 2 Dec 1970 [2 Dec 1969] 57370/70 Headings B3B and B3J [Also in Divisions B7 B8 E1 and F2] A flexible surface, shown in plan in Fig. 1a and elevation in Fig. 1c, includes at least two rows of surface elements 1, ...


9
Kota Sridhar, Hetrick Joel A: Adaptive compliant wing and rotor system. Flexsys, Kota Sridhar, Hetrick Joel A, ROHM Benita J, December 16, 2004: WO/2004/108525 (9 worldwide citation)

Variation in the contours of first and second compliant surfaces is produced by a compliant frame having a first resiliently variable frame element (120) having a corresponding first outer surface (122) and a first inner surface (124), and a second resiliently variable frame element (130) having a c ...


10
Ailerons having self-deforming reversible profiles. Dumortier Paul, March 27, 1987: FR2587675-A1 (9 worldwide citation)

The ailerons, moving in fluids (water, air) and receiving the thrust of these fluids sometimes on one face and sometimes on the other, have to be able to form a concave-convex profile which is self-deformably reversible. They are constituted by: - a non-deformable solid construction 1 forming the fr ...