Class 114/286 - With fluid motor

Subclass of Class 114 - Ships
Definition: Device wherein a gas or liquid powered motive means is provided
No. of patents: 40
Last issue date: 01/15/2008

Number	Title	Issue Date
7318389	Device and method for controlling trimming flaps on a watercraft, as well as a watercraft having a corresponding device A device for controlling trimming flaps (12, 13) of a watercraft (10), preferably having two trimming flaps (12, 13) and in each case at least one hydraulically operated for adjustment of the inclination angle (15) of the associated trimm...	01/15/2008
7299763	Hull with propulsion tunnel and leading edge interceptor A boat hull has at least one ventilating propulsion tunnel formed therein open to the water forward of the hull's transom and adapted to contain a propeller of the propulsion system. The tunnel has a leading edge forward of the transom and an interceptor plate proje...	11/27/2007
7174843	Hydrofoil unit for attaching to the stern of the hull of a boat A hydrofoil unit for attaching to the stern of the hull of a boat. The unit includes a mount that mounts to the stern of the hull of the boat, a hydrofoil that is pivotally attached to the mount, a pivot assembly that pivotally attaches the hydrofoil to the mount, a...	02/13/2007
7163425	Personal watercraft A personal watercraft configured to plane on a water surface is disclosed. The personal watercraft typically includes an attitude sensor configured to detect an attitude of a body of the watercraft, a propulsion force changing system configured to change a propulsio...	01/16/2007
7143711	Trim tab shape control system A trim tab shape control system for a boat with a transom according to an embodiment of the present invention includes a flexible plate and a trim tab control system. The flexible plate has a forward end attached to the transom, a rearward end, and an operative bott...	12/05/2006
7131386	Marine propulsion system with pressure compensated hydraulic supply capability A hydraulic system for a marine vessel incorporates a single hydraulic pump that can be driven by either first or second motive devices, such as an internal combustion engine or an electric motor. Depending on the circumstances, the pressure required by the hydrauli...	11/07/2006
7013825	Jack plate operated trim for power boats A jack plate (9) moveable upwardly and downwardly between various positions has a trim tab (28) disposed on a fixed portion (10) of the jack plate near the base of the transom (11) of a boat. The moveable portion (12) of the jack p...	03/21/2006
6823812	Trim tabs and surface drive propeller bite control A trim tab of resilient material affixed in a cantilever fashion at the stem of a boat and of a regressive flexural stiffness such that when deflected, the undersurface of the trim tab assumes the shape of a progressive curve in the direction of water flow. A trim t...	11/30/2004
6745715	Stern flap corrective motion and fuel saving control system for marine vessels Corrective stabilizing motions are applied to a sea vessel hull during seawater travel in response to stern flap displacement by hydrodynamic forces induced at the buttock of the vessel hull and by the lower flap surfaces at the stern end of the sea vessel hull in r...	06/08/2004
6583728	Trim tab position monitor A trim tab monitoring circuit is provided which receives a signal that is representative of a voltage potential across a stator winding of a motor which is attached to the trim tab. This signal is passed through a high pass filter to remove the DC compone...	06/24/2003
6571724	Stern depressor type motion stabilization system for marine vessel Depressors mounted on the stern of a marine vessel are deployed by displacement from positions retracted from the seawater to positions immersed therein so as to divert exit flow of the seawater along retarded flow paths from the stern during vessel trave...	06/03/2003
6354237	Coordinated trim tab control system for a marine vessel having port and starboard trim tabs A trim tab control system is provided in which four buttons or switches are provided for the marine operator in which the operator can select to raise the bow, raise the stern, raise the port side of the boat, or raise the stern side of the boat in relati...	03/12/2002
6264513	Wireless marine control system A wireless remote control system for extending the control functions of the electrically actuated control systems of a boat including a plurality of transmitters and receivers, each transmitter capable of generating a signal on two channels and receiver c...	07/24/2001
6138601	Boat hull with configurable planing surface A Vee bottom planing boat hull (32) has right and left steps (44 and 46) positioned so as to optimize the boat's trim angle at top speed, and defining right and left notches (48 and 50) in which are pivotally mounted left and right trim tabs (56 and 58) h...	10/31/2000
6095077	Apparatus for motorized boat attitude adjustment A trim tab for a boat, which includes a plate, adapted for pivotal mounting to the boat transom, the plate having a lower surface for water impact and an upper surface for attachment of a spring; and a gas-dampened spring, having a longitudinal axis, a fi...	08/01/2000
6089177	Trim tab and variable-exhaust system especially for motor boats and motor yachts A box-like trim tab for a high-speed motor boat or motor yacht has an inlet at its side pivotally connected with the stern of the boat so that it can allow the exhaust gas or a cooling liquid of the engine to pass through the trim tab and emerge at the op...	07/18/2000
5832863	True track trim blades A trim tab which is attached to the transom of a boat and which has a hydraulic ram which can adjust the angle that the trim tab assumes with respect to the surface of the water. In addition, the body of the tab is hydrodynamically shaped to provide very ...	11/10/1998
5806455	Trim adjusting device for planing hull Trim adjusting device for planing hull, also called "flap", the inclination of which is adjusted by control means placed inside the hull. The control means include at least a piston having a vertically moving rod. It is also described a planing hull modif...	09/15/1998
5549071	Ski tow boat with wake control device and method for operation An inboard power boat for towing water skiers is disclosed which incorporates a wake control device. The boat has a hull configuration in which the stern portion has a flat or semi-flat bottom. The wake control device is comprised of a single flat plate w...	08/27/1996
5524567	Trimming device for a water borne vessel A trimming device for a water borne vessel comprising a trim tab which is adapted to be pivotally mounted to the vessel so as to be at least partially submerged in use, at an inclination such that, upon forward movement of the vessel, the tab is subjected...	06/11/1996
5474012	Automatic control for trim tabs Adjustment is made of the position of a marine transportation system including a boat having a drive, a trimmable port tab and a trimmable starboard tab. The operation of the marine transportation system is monitored to provide an output distinguishing bo...	12/12/1995
5474013	Trim tab auto-retract and multiple switching device Electromechanical control circuit for causing trim tabs attached to the stern of a hull of a motorized marine vessel, and used to trim the attitude of the vessel, to be automatically fully retracted by activating means independently of the boat ignition s...	12/12/1995
5385110	Boat trim control and monitor system A boat trim control system that includes a boat having a bull and means such as trim tabs mounted to the hull for trimming attitude of the boat as the bull is propelled through the water. The system includes facility for selectively adjusting the trim tab...	01/31/1995
5383419	Watercraft trim system A watercraft trim system having port and starboard trim flaps which mount near the stern. The trim flaps are independently operated by pneumatic operators. The pneumatic operators are governed by pressure modulators which each advantageously include a gas...	01/24/1995
5315951	Means for improving the performance of planing-type boat hulls An improved hydrofoil system is provided for boats with planing-type hulls Two hydrofoils, one mounted adjacent to each chine, are provided in a submerged position. The attack angle of each hydrofoil is controlled independently by a hydraulic cylinder or ...	05/31/1994
5263432	Automatic trim tab control for power boats Adjustment of a power boat's trim tabs is automated throughout all phases of the operation of the boat. The boat's speed and/or the revolutions of its engine(s) are sensed and used by electronic circuits, including microprocessor-based circuits, to contro...	11/23/1993
5113780	Automatic boat trim tab control A boat trim control system that includes a pair of trim tabs pivotally mounted to the stern of a boat hull, and an engine responsive to application of electrical ignition power for powering the boat through the water. A pair of fluid actuators extend betw...	05/19/1992
5058520	Apparatus for influencing the position of a boat in water An apparatus for influencing the position of a boat in water, with trim flaps disposed on either side of the longitudinal axis of the boat, the flap angles of said trim flaps always being adjustable by a drive with a control device, which acts upon all th...	10/22/1991
4967682	Stabilizing system for a boat At least two trim tabs 12 are mounted on the transom 11 symmetrically on each side of the longitudinal axis of the hull 10. Each trim tab 12 includes a plate 15 mounted on at least two rocker arms 16 for pivotal movement relative to the transom 11 and two...	11/06/1990
4909175	Boat with trimmable bottom A resilient trim plate which, when mounted in cantilever fashion on the bottom of a boat and when adjusted, provides for trimming of the boat when the boat is underway and moves over the water. The trim plate is provided with fasteners for rigidly securin...	03/20/1990
4854259	Improved trim-tab control system for power boats An improved trim-tab control for boats has for each trim tab a yoke movably secured to a frame, a mechanical link between the yoke and the trim tab such that yoke and trim tab move in unison, a lever pivotable mounted with respect to the yoke and having f...	08/08/1989
4836124	Mounting assembly with trim plate for outboard motors A mounting assembly for an outboard motor includes a motor mount having a transom mounting bracket attachable to a boat transom and a motor supporting bracket spaced aft of and pivotally connected by upper and lower links with the transom mounting bracket...	06/06/1989
4781632	Anti-ventilation plate A marine drive (2) is provided with an anti-ventilation plate (22) having a forward horizontal portion (24) and an aft portion (26) extending downwardly at an angle (28) to horizontal and noncoplanar with the forward portion (24). An adjustable anti-venti...	11/01/1988
4742794	Trim tab indicator system A trim tab indicator system comprising a pair of trim members hinged to the stern of a boat, one of each side of the center line of the boat and a hydraulic cylinder individual to each trim member having a first head at one end and a second head at the ot...	05/10/1988
4644893	Position indicating apparatus for use in a boat leveling system A boat leveling systems with a pair of trim tabs pivotal between a horizontal position and a downwardly inclined position. Each trim tab is actuatably between the horizontal and inclined positions by a separate fluid motor which includes a cylinder, a pis...	02/24/1987
4597742	Trimming arrangement for planing hulls An improved trimming arrangement is disclosed which is particularly suited for use with a craft having planing hull with a marine drive. In one embodiment, the trimming arrangement includes a submerged trim hydrofoil which is affixed to the drive housing ...	07/01/1986
4519336	Rear extension for boat hull An attachment for forming a rearward extension of the hull of a boat is secured to a transom of the boat to form an extension of an underside portion of the hull and comprises a hollow body having a substantially flat surface and a bottom surface shaped t...	05/28/1985
4406635	Marine vessel with at least one propeller Essentially one-half of the circumference of the propeller of the marine vessel is arranged in a tunnel having a flow-favorable cross-sectional configuration which follows the flow lines of the water. At the starting region of the tunnel there is arranged...	09/27/1983
4261278	Gyro-controlled pitch stabilizing system Pitch of a vessel is controlled by trim tabs mounted on the stern of the vessel. The trim tabs are hinged along an axis transverse to the fore-aft direction of the vessel. A hydraulic system changes the plane of the trim tabs in response to a gyro-control...	04/14/1981

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Class 114/286 - With fluid motor