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Class 440/38 - JET DRIVE


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the motive force is produced by a stream
No. of applications: 80
Last issue date: 04/05/2012


1    
Application No.Application TitleIssue Date
20120083174Water jet based underwater thruster
The thruster pod that is made of a pump plate; a valve plate affixed to the pump plate, and a diaphragm mounted between the pump plate and the valve plate. The pump plate has juxtaposed pressure cavity and outlet cavity, and a partition separating the pressure cavity fr...
04/05/2012
20120048168MULTIHULL FISHING VESSEL AND METHOD OF USE
The invention is directed to a fishing vessel and a method of menhaden fishing. The fishing vessel comprises catamaran or multi-hulled type boat or ship used as a purse boat. The fishing vessel is outfitted with a jet propulsion drive system and also has various equipme...
03/01/2012
20120024211ARTICULATED MARINE VEHICLE
Stabilizers (14.1, 14.2) coupled to associated stanchions (20.1, 20.2) and associated linkage assemblies (16.1, 16.2) on both sides of a central hull (12) provide for piercing or cutting through waves (76′). Aerodynamic surfaces (...
02/02/2012
20110275254Waterjet Propulsion System and Method for a Marine Vehicle
A waterjet based propulsion system and method that utilizes more than one waterjet outlet port and controls the selective application of power to the waterjets with a splitter gearbox thereby improving the efficiency of the marine craft at low and high speeds....
11/10/2011
20110223817RUDDER ASSEMBLY FOR A WATERCRAFT HAVING A JET-DRIVE OUTBOARD MOTOR
A rudder assembly for use with a jet drive motor for a watercraft. The rudder assembly has at least one support member and at least one steering stabilizer member which extend from the at least one support member. The at least one steering stabilizer member has a longit...
09/15/2011
20110092113ROTARY ENGINE JET BOAT
A boat includes a hull, an inboard rotary engine, and a jet propulsion unit connected to the engine via a direct drive connection. The hull may be a stepped hull with one or more aft steps. A large, low, substantially flat aft fishing/swim deck is disposed above the eng...
04/21/2011
20110056422Flying Water Jet-Ski Submarine
The personnel water jet, or boat jets, haven't really change there design or function that much, and there very limited use. The flying water jet-flying submarine are able to fly above the rough water waves and always get a very smooth ride and the true feeling of true ...
03/10/2011
20110053439PUMP JET ASSEMBLY AND RELATED ADAPTER SYSTEM AND METHOD
A pump jet assembly includes universal components, such as a rotor, shroud and stator, that can accommodate all marine drives within a given range and adapter components, that accommodate the difference between the universal components and a particular marine drive with...
03/03/2011
20110045717Method For System For A Water Jet Propulsion System For A Ship
A system and method of starting a water jet propulsion system for a ship in which the propulsion system includes a stator shell adapted to be mounted to the hull and having a nozzle ending in an outlet with a cross-sectional outlet area, an impeller housing attached to ...
02/24/2011
20110003521Clean energy powered surfboards
Clean energy powered surfboard having various advantages that make for easy to learn, easy to use, safer, exciting, high performance, environmentally friendly surfing on any ocean wave in the world. The various embodiments include novel motor, turbine, or electric motor...
01/06/2011
20100330853METHOD FOR CONTROLLING A DRIVE SYSTEM IN A MOTOR BOAT
In recreational boats, multiple drive units, e.g., multiple outboard motors, Z-drives, or jet drives, are often provided to propel the boat, at least one of the drive units having a propulsion reversal function for executing a reverse propulsion. To facilitate execution...
12/30/2010
20100267295SHIP PROPULSION SYSTEM HAVING A PUMP JET
The invention relates to a ship propulsion system (S) having a pump jet (P) comprising a pump housing (G) and a drive motor, wherein the drive motor is a solenoid motor (M) integrated into the pump housing (G)....
10/21/2010
20100248563WATER JET PROPULSION WATERCRAFT
A water jet propulsion watercraft includes a hull, an engine, a jet propulsion device, an exhaust channel, and an engine control unit. The engine includes a combustion chamber arranged to combust fuel therein, an exhaust port arranged to discharge exhaust gas after the ...
09/30/2010
20100105260Waterjet Unit Impeller
A variable rating impeller (10) for the pump of a waterjet unit that is rotatably driven by an engine to generate a high velocity jet stream. The impeller (10) having a hub (12) mountable to a rotating shaft through which an input power is transmitt...
04/29/2010
20100081347WATER JET PROPULSION WATERCRAFT
A water jet propulsion watercraft includes, a main engine body, a rotor chamber provided at a rear portion of the main engine body, a crankshaft arranged such that a rear end portion of the crankshaft is disposed in the rotor chamber, the rear end portion having a first...
04/01/2010
20100075551WATER JET PROPULSION WATERCRAFT
A water jet propulsion watercraft includes a main engine body, a rotor chamber disposed at a rear portion of the main engine body, a crankshaft disposed so as to extend penetratingly through the rotor chamber such that a rear end portion thereof protrudes to an outer si...
03/25/2010
20100028105Floating Device for Transporting and Transferring Containers
Disclosed is a device for transporting and transferring containers. Said device is embodied as a floating and automotive object which is equipped with at least one crane. The crane comprises at least one vertical element, a slewing ring, and a boom. The crane is arrange...
02/04/2010
20090269995BOAT
A boat includes a connection structure that connects couplings via a transfer shaft on a rear end portion of a crankshaft extending rearward from an engine. The crankshaft and the transfer shaft are connected by screwing an external thread and a front internal thread, a...
10/29/2009
20090233499SYSTEM FOR MOUNTING A MARINE JET PROPULSION SYSTEM
A watercraft has a hull and a deck disposed above the hull. A ride plate is mounted below a rear portion of the hull. A jet pump assembly includes a jet pump disposed at least in part between the ride plate and the hull. A front wall is formed at least in part by the hu...
09/17/2009
20090197485Watercraft And Method For The Operation Of A Watercraft
A watercraft (1) includes at least two oar handles (3a, 3b) which are designated to be actuated by a passenger of the watercraft in order to propel the same. A considerably expanded functionality is achieved in such a way that the oar ...
08/06/2009
20090165690SPORTS BOARD
A sports apparatus configured to support a rider upon the water surface is disclosed and may comprise either a compartment in the top surface configured to accept personal articles and a watertight cover to prevent damage and loss of personal articles or a propulsion so...
07/02/2009
20090137165NEWTONIAN THRUST COWL ARRAY
The three-way valve allows fluid flow to be selectively directed to a run outlet, a bypass outlet or both at the same time. The three-way valve includes a flow diffuser with a primary valve seat positioned opposite a bypass valve seat. Choke points and flow restrictions...
05/28/2009
20090117790WATER-JET PUMP, IMPELLER FOR THE SAME, AND BOAT INCLUDING THE SAME
A water-jet pump includes a cylindrical housing and an impeller. The impeller is disposed in the cylindrical housing and is configured to be rotated in a rotating direction. The impeller includes a shaft body and plural blades. The plural blades are provided on an outer...
05/07/2009
20090117789Engine for Driving a Watercraft Propelled by a Water Jet
A system for driving a water induction and discharge system of a watercraft propelled by a water jet includes a water impeller, an engine including a driven shaft and a first chamber for containing engine oil, a second chamber for containing engine oil, a pinion secured...
05/07/2009
20090104824Pod Propulsion System With Rim-Mounted Bearings
A pod propulsion system comprises a housing defining a fluid duct and an annular drum rotatably mounted to the housing within the fluid duct. The annular drum has a drum interior and a cylindrical outer surface. The system further comprises a rotor mounted to the drum f...
04/23/2009
20090098782Two Phase Water Jet Propulsion for High-Speed Vehicles
A water jet propulsion apparatus having an engine producing an exhaust gas, a pump driven by the engine, a nozzle in fluid communication with the pump, and an exhaust passageway communicating between the engine and the nozzle is disclosed. The exhaust passageway is conn...
04/16/2009
20090093175WATER JET PROPULSION BOAT
A water jet propulsion boat is constructed such that a fuel pressure detection device is free from a detection error or breakdown and a restart ability of an engine is protected against malfunction. A fuel tank is provided in a boat body of the water jet propulsion boat...
04/09/2009
20090093174Watercraft Propelled By a Water Jet
A watercraft propelled by a water jet includes an sealed hull portion including an upper deck and a bottom surface, an engine compartment located behind the sealed hull portion and containing a propulsion and steering system including an engine, a bladed impeller driven...
04/09/2009
20090042463Small Planing Boat
A small planing boat can include a multi-cylinder engine, and a propulsion unit driven by the engine, such as a jet pump, for propelling a hull by drawing up and jetting out water. The engine can be configured to change the number of deactivated cylinders in a phased ma...
02/12/2009
20090042464WATER JET PROPULSION SYSTEM
A highly efficient watercraft propulsion system that relies on a positive displacement pump to generate a water jet. The pump is fully submerged at all times and its inlet is positioned so as to cause water to be forced into the pump as the watercraft moves through the ...
02/12/2009
20090022576IMPELLER DRIVE FOR A WATER JET PROPULSION UNIT
A water propulsion unit having an intake housing, a pump housing and an outlet with two spaced apart counter rotating impellers being located in the pump housing. The impeller blades on one impeller have an opposite pitch to the blades of the second impeller. The impell...
01/22/2009
20080318481Jet pump of personal watercraft
A jet pump of a personal watercraft of the present invention includes a pump casing 10 provided with a fairing vane part including a plurality of fairing vanes 12, and the front portion of each of the fairing vanes 12 has two attack angles which are...
12/25/2008
20080299845Jet propulsion outboard and inboard motor
The present invention relates to a novel and non-obvious propulsion system for watercraft, especially, but not limited to, watercraft less than about 50 feet in length propulsion system of the present invention provides a system that is less prone to being impeded by de...
12/04/2008
20080200082Jet Pumping Device
A propulsion or pumping device which includes two counter-rotating shafts (3, 4) each carrying at least one impeller (7, 8), wherein each impeller (7, 8) can deflect by a predetermined amount in directions substantially perpendicular t to the longit...
08/21/2008
20080110385WATER VEHICLE
A top side of a deck can have a generally flat shape. A pedestal-like operator's seat base can be disposed slightly rearwardly from a central part of the deck. On an upper part of the operator's seat base, an operator's seat, a passenger's seat and a handlebar can be pr...
05/15/2008
20080045093De-Coupling Clutch, Particularly for Marine Use
Stand alone decoupling clutch (10) is used in drive shafts, eg of watercraft. Clutch (10) is separate from any gearbox, etc, does not change the direction of rotation of the drive shaft, and has a single clutch area which allows slippage at any speed or to...
02/21/2008
20080026651Water cooling system for an outboard jet drive marine propulsion system
An outboard jet drive marine system for a boat includes a housing. An engine is disposed within the housing. A jet drive unit is disposed within the housing parallel thereto and operatively coupled to the engine. A cooling system is mounted to the housing, outside the h...
01/31/2008
20080014811Personal flying water jet apparatus
A personal flying water jet apparatus consisting of two autonomous units: one is a towing inflatable tube (12A) (and so on) equipped with water jet nozzles (18) directed downward and mounted on both sides by means of brackets (20); the other is an i...
01/17/2008
20080003895Personal watercraft
A personal watercraft with a supercharging device and an intercooler is disclosed. The personal watercraft may include an engine, a water jet pump, a propeller shaft to transmit an output power of the engine to the water jet pump, and a bearing case configured to suppor...
01/03/2008
20070292278Axial Flow Pump and Marine Propulsion Device
A mechanically reconfigurable marine propulsion device that adapts to engine torque and/or vessel speed thereby providing improved propulsive efficiency and performance. The axial flow propulsion device has two or more stages each having an impeller section and a stator...
12/20/2007
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