Matches 1 - 50 out of 91 1 2 >
Match Document Document Title
7517264 Power boat drive system with multiple gearboxes  
A boat drive system is provided for a power boat which includes an engine having a drive shaft, connected to a pair of propeller shafts. The drive system includes a primary gearbox and opposed...
7513812 Marine engine  
A marine engine has a crankcase and a cylinder bank. An upper end of the cylinder bank defines a plane. A cylinder head is connected to the upper end of the cylinder bank. A crankshaft is disposed...
7413492 Watercraft with engine housing  
A watercraft includes a hull, an engine, and a housing adapted to completely enclose the engine, the housing being adapted to be removably disposed in the hull.
7311574 Integrated marine motor support and transmission apparatus  
An integrated motor support and transmission apparatus for a marine propulsion system having a motor and marine drive with a drive shaft, comprising: an output shaft; a support housing attached to...
7270582 Power generating and propelling system of vessel  
A power generating and propelling system of a vessel has an electric power generating device ( 10 ) installed between an internal combustion engine ( 2 ) and a transmission ( 3 ). A stator ( 11 )...
7267594 Jet pump mounting structure of small-sized boat  
Jet pump mounting structure of a small-sized boat including a front face of a thrust plate attached to a rear face of a front wall of a pump case, and a jet pump attached to a rear face of the...
7238072 Mounting system for a marine engine  
A support system for a marine engine provides a plurality of mounts that have primary axes that are aligned in parallel relation with a piston symmetry plane of the engine. These primary axes of...
7237499 Support structure  
A support structure for auxiliary machinery in a seagoing vessel, the support structure comprising a trussed frame supporting a mounting plate at an elevated height above the bottom or deck of the...
7185599 Jet drive propulsion system for a pontoon boat  
A pontoon boat is provided with a jet drive propulsion system in which an impeller is driven by an engine. The jet drive propulsion device is dirigible as a result of the fact that a nozzle of the...
7175491 Assembly system for a marine propulsion device  
A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive...
7168998 Personal watercraft forced air induction system  
A personal watercraft is disclosed as having a forced air induction system that is particularly suitable for aftermarket installation. The induction system includes support structure for supporting...
7115007 Stern unit for marine craft  
A stern unit of marine craft that comprises a casing, a propeller, a propeller shaft, and at least one rudder actuated by hydraulic pistons is described. The casing is open at the bottom, with its...
7094118 Heat exchanger for a marine propulsion system  
The heat exchanger for a marine propulsion system is located within available space in front of the transom of a marine vessel and attached to the transom. The housing of the heat exchanger can be...
7014519 Marine propulsion system with a tilted in-line engine  
A marine propulsion system places an in-line engine at a tilted angle relative to a vertical plane in order to reduce the maximum height requirement space of an engine compartment in a marine...
6969288 Water-jet propulsion personal watercraft  
A water-jet propulsion personal watercraft is disclosed. The personal watercraft typically includes a body including a hull and a deck covering the deck from above, a water jet pump configured to...
6969289 Marine vessel propulsion with a thrust bearing  
A marine vessel propulsion assembly has an elastically suspended gearbox with an output drive shaft guided in an axial bearing with a rigidly suspended bearing housing. Free space is provided in...
6790108 Boat propulsion system  
A boat propulsion system for propelling a boat through water with debris in the water and shallows. The boat propulsion system includes a motor assembly being designed for being positioned in a...
6786783 Method of installing an engine  
An engine installation jig and method for installing an engine in a marine vessel according to predetermined engine installation criteria. The jig comprises a longitudinal member, two lateral...
6739923 Engine alignment jig assembly for small watercrafts and method of positioning engine using the same  
An engine alignment jig assembly, which is used for installing an engine in a hull of a small watercraft via four engine mounts in such a manner that an output shaft of the engine is in alignment...
6712655 Adjustable engine mount bracket assembly  
A bracket assembly for securing an engine mount vibration isolator and for mounting an inboard engine on an engine support platform having stringers, the bracket assembly having an L-shaped member....
6699088 Engine mount structure for personal watercraft  
An engine mount structure for a personal watercraft allows the engine to be incorporated in an inclined well-balanced state in the watercraft body having a hull and a deck, while making efficient...
6623318 Marine propulsion isolation system for control of motion due to torque and related method  
Torque roll, such as in a marine propulsion unit for driving a propeller, is significantly reduced or substantially eliminated by utilizing inflatable elements, such as airbags. One or more airbags...
6609939 Marine engine mounting assembly  
A mounting assembly for a marine propulsion system includes a horizontal mounting plate, a pivot housing, and an adapter plate attached to one another through a plurality of vibration absorbing...
6386931 Engine mount for watercraft  
A watercraft includes an internal combustion engine mounted such that its crankshaft extends vertically. A gearbox is arranged beneath the engine and includes engine mounts attached directly...
6350167 Inflatable transom seal and techniques for assembling such seal in a stern drive  
A transom seal assembly for sealing an opening in a boat transom is provided. A propulsion system has a part thereof extending through the transom opening. The seal assembly comprises an inflatable...
6305998 Marine drive mechanism with twin-engine distribution transmission  
A Marine drive mechanism has a twin-engine distribution transmission for driving a propeller-shaft train (12) supported on bearings (4). The drive mechanism (1) and the transmission (3), which is...
6293842 Cantilever jet drive package having mounting adapter with exhaust passage  
A marine vessel or watercraft in which the power plant or engine is cantilevered off of the inboard face of the transom by a mounting adapter. An inboard engine is attached to the mounting adapter....
6287159 Marine propulsion device with a compliant isolation mounting system  
A support apparatus for a marine propulsion system in a marine vessel is provided with a compliant member that is attachable to the transom of a marine vessel. In certain applications, the...
6263851 Air inlet device for watercraft engine  
An air inlet device for an engine powering a water propulsion device of a watercraft, the watercraft having a hull defining an engine compartment in which the engine is positioned, is disclosed....
6238257 Surface vessel with a waterjet propulsion system  
A waterjet propulsion pump (14) is mounted in an opening in a fully submerged intermediate transom (12) located forward of the stern transom (11) and at the aft end of a dependent structural pod...
6186845 Motor mounting structure for boat  
A mount for an outboard motor is disclosed in which the cylinder block of the motor is within the hull and the gear box and propeller are outside the hull. The drive shaft passes through the mount...
6155897 Top bracing for marine engine  
Disclosed is a top bracing for a marine engine. The top bracing comprises a beam part for transmitting vibration load of the engine to a hull structure; a hull connection part for connecting the...
6132268 Hydroplane with a transversely mounted four-cycle engine and space saving intake and exhaust system configuration  
A hydroplane has a four-cylinder, four-cycle engine of a water cooled type and a jet pump mounted within the hull. The crankshaft of the four-cycle engine is arranged extending transversely across...
6132269 Cantilever jet drive package  
A marine vessel and jet propulsion system cantileverly mounted to the transom of a boat having a water tunnel or cavity integrally formed as a part of the boat structure. The turbojet pump assembly...
6116179 Mounting of machinery within a vessel  
A vessel comprises a cylindrical hull (10) containing a structure (11) carrying machinery (M) supported from the hull (10) by electromagnetic levitation means (12-17) that maintain electromagnetic...
6089932 Small watercraft  
A small watercraft includes a four-cycle engine which is arranged within a hull of the watercraft to enhance ventilation of and air induction into the engine. The hull includes at least one air...
6027384 Four-cycle engine for a small jet boat  
A four-cycle engine is provided which is suitable for use in a vehicle or an apparatus such as a small jet boat to be operated on the premise that it often overturns, and which is simple in...
5975972 Vibration damper  
The invention relates to a vibration damper having a housing formed by a shell part (1) and a base part (2), in which housing a pressure cavity (3) is located, which cavity at least partially is...
5967868 Water jet propulsion unit mounting structure  
A jet drive unit is mounted within a jet propelled watercraft in a fashion which prevents vibrations due to the operation of the craft's impeller system from transmitting to the hull. The power...
5827095 Mount structure for supporting an electric apparatus on a ground base  
The present invention relates to a mount structure for supporting an electric motor comprising a rotor and a stator frame, such an electric motor being preferably a marine engine rotating a...
5820426 Exhaust system for personal watercraft  
An exhaust system for a personal watercraft provides an exhaust adapter plate and an exhaust header pipe that allows exhaust to exit from the rear of a horizontally mounted internal combustion...
5797778 Mounting arrangement for marine propulsion engine  
The present invention is a mounting arrangement for an engine powering a water propulsion device of a watercraft having a hull. The engine is connected to the hull with three engine mounts. A first...
5720638 Engine drive shaft coupler for personal watercraft  
A jet propelled watercraft has a coupling assembly to couple an engine crankshaft to a jet pump impeller shaft. The coupling assembly can accommodate substantial engine crankshaft vibrations, yet...
5695371 Cradle type engine mount for watercraft  
An engine mount for resilient mounting an internal combustion engine in a watercraft hull. The engine mount comprises a pair of cradle shaped members that are rigidly affixed to the front and rear...
5647779 Manifold and water trap system for marine engine  
A personal watercraft having a compact engine arrangement for driving a propulsion device such as a jet pump positioned to the rear of and on the underside of the watercraft. The engine is disposed...
5599218 Configuration for a marine engine exhaust system  
A marine transmission mounting system for marine engine and drive that are mounted in a mid-travel position to joists in the hull space between a hull and a floor of the boat. Such a system is...
5584733 Personal jet propelled watercraft  
Several embodiments of personal watercraft being adapted to accommodate at least two riders seated in straddle, tandem fashion. The watercraft are powered by a combined jet propulsion unit and...
5551900 Aquatic vegetation cutter  
An aquatic vegetation cutter for clearing dense aquatic vegetation from waterways uses a drive coupling and bearing assembly that eliminates the need for drive shafts to drive the cutting blades....
5509837 Truss system engine mount for light watercraft  
An engine mount for supporting an inboard powerboat engine on a light marine craft. The present invention teaches an inboard, truss engine mount for marine engines, tailored for supporting the...
5478264 Marine engine mounting system  
A vibration absorbing assembly for mounting a marine engine to a stringer is provided, including: a mounting bracket adapted for attachment to the marine engine; a base adapted for attachment to a...
Matches 1 - 50 out of 91 1 2 >