Matches 301 - 334 out of 334 < 1 2 3 4 5 6 7
Match Document Document Title
4432734 Marine propulsion device including ignition interruption means to assist transmission shifting  
Shifting of a marine propulsion device transmission drivingly connecting a drive shaft to an internal combustion engine and including a rotatable member operable to shift the transmission between...
4318699 Trim control  
A sensor (43) responds to the operation of a marine transportation system to sense on-plane and off-plane conditions of a boat (21) to operate a trim control (44) to automatically position a...
4262622 Marine propulsion device including ignition interruption means to assist transmission shifting  
Disclosed herein is a marine propulsion device and apparatus and methods for assisting transmission shifting thereof. The marine propulsion device includes an internal combustion engine and a...
4250829 Vapor detector for marine propulsion apparatus  
A vapor sensitive resistor, or switch, is connected in a bridge network having the input connected to the battery of a marine engine. A window signal comparator includes a high limit operational...
4100877 Protective control system for water-jet propulsion systems  
A protective system is provided for water-jet propulsion systems in which water entering through an intake port is discharged in a jet by a pump. Unloading and overspeed of the pump prime mover may...
4051801 Drive position signalling apparatus  
A marine jet drive unit includes a nozzle which is mounted in a gimbal ring for pivoting about a horizontal axis for trimming of the drive jet. An electric motor drives a gear train including a...
4036164 Twin controllable pitch propellers operated from single prime mover  
The invention relates to improved control systems for controllable pitch propellers of a twin screw vessel driven by a single prime mover operating at a predetermined rotational speed while the...
4022146 Fluid pressure controlled circuit breaker as boat safety apparatus  
This invention relates to a marine safety apparatus for preventing accidents in small watercraft. The device interrupts the watercraft power plant when the watercraft operator is displaced from the...
4019489 Safety apparatus for engines  
A monitoring and control apparatus for an engine, particularly a water-cooled internal combustion marine engine, which includes devices for monitoring the temperature and/or flow of the coolant...
4005674 Pivot position sensing apparatus  
A pivot position sensor sensing outboard motor trim includes a housing within which a pair of U-shaped movable contacts are secured in axially spaced relation on an operating rod which extends...
3994254 Transmission for a marine jet drive  
The invention contemplates a multiple-speed transmission for coupling an engine to the impeller of a marine jet drive, such that an overdrive connection powers the jet drive under operating...
3967573 Apparatus for stabilizing underwater devices  
An apparatus provided on a self-propelled underwater device connected to base by a cable. The apparatus comprises an auxiliary propeller disposed at the rear of the device in a support to which is...
3910216 Hydrofoil cavitation sensing and control apparatus  
A cavitation detection and control system for controlling the movement of a hydrofoil within a safe, cavitation-free, acceleration and speed region. The system utilizes transducers, associated with...
3894250 Hall cell position sensor for outboard drive apparatus  
Apparatus for power positioning and holding of an outboard marine drive includes a manual trim angle selection input signal generator. A position sensitive signal generator in the form of a Hall...
3887048 Ship's propulsion plant  
A device for automatically isolating a ship's propulsion plant from the propeller in emergency situations. When the tractive torque of the propeller acting opposite to the direction of rotation of...
3881443 Outboard propulsion trolling assembly  
Boat propulsion apparatus including a main outboard motor mounted on a transom for driving and steering the boat at cruising speeds and including an electric outboard motor for driving the boat at...
3834345 MARINE DRIVE SETTING APPARATUS  
Apparatus for power positioning and holding of an outboard marine drive includes a manual trim angle selection input signal generator. A position sensitive signal generator in the form of a Hall...
3826218 COMBINATION DRIVE FOR SHIPS  
A combination drive arrangement for ships comprises at least one regular driving engine and a gas turbine, both arranged to be releasably connected to the propeller shaft of the ship by means of...
3807343 BOAT SAFETY APPARATUS  
Boat safety apparatus for allowing operation of the boat engine in a forward direction as long as the operator is properly seated in the boat and for automatically opening the boat ignition circuit...
3805723 SAFETY CUT-OFF FOR PROPELLERS  
A device to impact on an obstruction and stop a propeller before its moving lades can impact thereon. The device has extensions beyond the path of the propeller blades which extensions are attached...
3797447 INBOARD PROPULSION SYSTEM FOR A BOAT  
An inboard propulsion system for a boat utilizing a water jet propulsion characterized by a pair of spaced nozzles each provided with individually controlled deflecting hoods to enable providing...
3468282 CONTINUOUS OPERATION MOTOR TILT CONTROL MECHANISM  
3405676 Steam propulsion control system  
3392696 Ship  
3361108 Stand-by control for steam turbines  
3314391 Methods and means for effecting optimum propulsion operating conditions in a jet propelled ship  
3292568 Protective circuit for boats  
3241618 Rotary blade propeller with protection against overload  
3176645 Ship positioning apparatus  
3150632 Self-propelled water craft  
3140689 Remote control system for outboard motors  
3119364 Life saving sled  
3014448 Underwater propulsion device for swimmers  
2987027 Propeller thrust stabilizer control  
Matches 301 - 334 out of 334 < 1 2 3 4 5 6 7