Matches 1 - 22 out of 22

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US20050250395 Water management system for propeller shaft seal  
Water management system for a propeller shaft stuffing box. The water management system includes a containment vessel sized and shaped to fit around a propeller shaft stuffing box. The containment...
US20060063443 METHOD TO ASSEMBLE MARINE DRIVE SYSTEM, AND MARINE PROPULSION APPARATUS  
The present invention provides a method to assemble a marine drive system wherein an acceptable-unacceptable criterion on the torsional vibration of a shaft of the marine drive system is...
US20050202734 Marine counter-rotating shaft drive mechanism  
A Counter-Rotating Shaft Drive Mechanism for a boat comprises an engine gearbox output shaft coupling (2); a differential arrangement which creates counter-rotating outputs in a dual output shaft...
US20130157527 Watercraft Propulsion Apparatus  
A watercraft propulsion apparatus is provided. The watercraft propulsion apparatus includes a watercraft having a hull, wherein the hull has at least an interior side and an exterior side. A...
US20060211314 Bravo drive propeller shaft  
A propeller drive system for V-hull and catamaran racing vessels including an offshore racing cleaver propeller run on a water's surface by means of a long, thick propeller shaft coupled with a...
US20100317245 DRIVE JOINTS AND USE OF SAID DRIVE JOINT  
A drive joint for transmission of rotary motion between a drive unit a propeller shaft with a propeller for propulsion of a boat, where the drive joint (1) comprises a flexible joint (3) which is...
US20050186861 Exterior shear shoulder assembly for outboard motors and outdrives  
An exterior progressive shear shoulder assembly which is adapted for connecting a marine propeller to a propeller drive shaft in such a manner that a selected torsional resistance of the propeller...
US20120214366 Mud runner out boord motor  
A marine motor for shallow water boats that has a universal mounting bracket to fit all shallow water boats, the Mud Runner has a mid length drive system with a parallel shaft technology that has...
US20120015569 Ship Propulsion System and Ship Equipped Therewith  
Marine propulsion system and ship outfitted therewith, wherein the marine propulsion system has a propulsion element for propelling a ship, a driving engine which is to be flexibly mounted at a...
US20060211315 Bravo drive propeller shaft bearing carrier  
A propeller drive system for V-hull and catamaran racing vessels including an offshore racing cleaver propeller run on a long, thick propeller shaft coupled with a Bravo Unit Drive Motor at, and...
US20050064772 Dual propeller drive for ski boat  
A dual prop drive for a ski boat has a gear box having an input gear that is connected to an engine output shaft. The gear box has two laterally spaced output gears on opposite sides of the input...
US20080153367 Internal Elastomer Damper for Vehicular Propeller Shafts  
Ringing noise in a tube or in tubes comprising a propeller shaft of an automotive drive is attenuated by an elastomeric ring positioned in each shaft. The elastomeric ring is a split ring,...
US20110097951 Underwater Propulsion Apparatus Performance Enhancement Device and Associated Methods  
A device that when fitted to a motor vessel's existing propulsion gear improves the performance and reduces potential damage and wear of underwater propeller shaft bearings, commonly referred to...
US20090053945 Underwater Propulsion Apparatus Performance Enhancement Device and Associated Methods  
A device that when fitted to a motor vessel's existing propulsion gear improves the performance and reduces potential damage and wear of underwater propeller shaft bearings, commonly referred to...
US20130029544 Propeller Mechanism for a Marine Vehicle  
A propeller having a hub with a shaft hole at the center thereof, and a number of blades provided radially around the hub; a shaft connected at one end to a motor driving the marine vehicle, the...
US20140357139 POWER PADDLE  
A portable propulsion system for a watercraft may include a shaft, a propeller, an outer casing, and a flexible strap. The shaft may have a prop end section, a drive end section, and a rotational...
US20110223818 Bearings for Pod Propulsion System  
An improved bearing assembly includes one unique shaft washer (158) rather than using separate forward and aft shaft washers as in the prior art; a slight lengthening of the forward roller (174)...
US20170137102 OUTBOARD MOTOR  
In an outboard motor, a feed passage, through which a lubricating oil that flows upward from a gear mechanism due to rotation of the gear mechanism is fed upward from a gear chamber, includes a...
US20170021906 POWER PADDLE  
A portable propulsion system for a watercraft may include a shaft, a propeller, an outer casing, and a flexible strap. The shaft may have a prop end section, a drive end section, and a rotational...
US20160218591 MARINE PROPULSION DEVICE AND BOAT  
A marine propulsion device, including an engine including a crankshaft, and a power generator including a rotor configured to be rotated by the crankshaft, and a stator arranged to face the rotor,...
US20160200410 WATERCRAFT WITH STERNDRIVE AND HULL WITH VENTED TUNNEL  
A watercraft includes a sterndrive comprising an inboard engine and an outdrive that extends through the transom. The aft end of the hull includes a stepped tunnel, which allows the sterndrive...
US20160023740 BATTERY CONNECTION SYSTEM FOR AN OUTBOARD ENGINE  
An electrical system for an outboard engine has a generator, a starter motor, a connector having first, second and third connector terminals, the first connector terminal being connected to the...
Matches 1 - 22 out of 22