| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 440061000 | Having fluid motor to move propulsion unit or a segment of the propulsion unit | 22 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
| 440061000 | Steering | 10 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
| 440061000 | Tilt and/or trim | 9 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
| 440061000 | Having integral pump, cylinder, motor, reservoir located together | 1 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
| 440061000 | With hydraulic control valve or electrical control circuit | 1 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
| 440061000 | And separate fluid motor for trim | 1 |
| 20090170387 | BOAT PROPULSION SYSTEM AND BOAT INCLUDING THE SAME AND BOAT CONTROL DEVICE AND BOAT CONTROL METHOD - A boat propulsion system includes a control section, a thrust calculation section, a thrust generating unit, a thrust detection section, and a control section. An accelerator opening is input to the control lever by operation of an operator. The accelerator opening detection section detects the input accelerator opening. The thrust calculation section calculates a thrust intended to be generated from the accelerator opening to output a calculated thrust. The thrust generating unit generates a thrust. The thrust detection section detects a thrust actually generated on the thrust generating unit to output it as an actual thrust. The control section controls an output of the thrust generating unit so that the actual thrust approaches the calculated thrust. | 07-02-2009 |
| 20110111654 | Outboard motor mounting process and apparatus - The present invention relates to a process and apparatus for mounting an outboard motor to the transom of a boat and especially to a vertically adjustable mounting structure for raising and lowering an outboard motor relative to the transom of the boat on which the motor is mounted for supporting the motor at selected positions of elevation relative to the boat in which the outboard motor mount actuator is attached to the inside of a boat transom. | 05-12-2011 |
| 20140113514 | DEVICES AND METHODS FOR ADJUSTING WATERCRAFT TRANSOM HEIGHT - The invention provides devices and methods for providing a watercraft transom having an adjustable transom height feature allowing optimal matching with the drive shaft of the watercraft's motor. In one embodiment, the adjustable transom height feature comprises two transom height settings to accommodate long or extra long drive shafts or, alternatively short or long or, still more alternatively, short or extra long drive shafts. In another embodiment, the adjustable transom height feature comprises more than two transom height settings, preferably to include matching transom height to known and available outboard motor drive shafts in order to accommodate and virtually optimize any drive shaft length. | 04-24-2014 |
| 20090011666 | Steering Device Particularly for Outboard Marine Engines - A steering device for marine engines, particularly for outboard engines, includes a rod that is sealingly mounted in a cylindrical housing sliding along the rod and that projects out of heads of the cylindrical housing. A piston is secured in a substantially intermediate position on the rod and divides the cylindrical housing in two variable volume chambers. Each of two inlets/outlets is in fluid communication with one of the two chambers through a separated feeding conduit defined inside the rod and both of the feeding conduits, through their inlets/outlets, open at one same end of the rod. | 01-08-2009 |
| 20110086560 | Steering Control Arrangement for Boats - An arrangement for providing the low-speed steering control of a boat having at least two outboard thruster motors ( | 04-14-2011 |
| 20120094559 | MARINE VESSEL PROPULSION APPARATUS - A marine vessel propulsion apparatus includes a transom bracket, a steering shaft, an outboard motor, a steering mechanism, a first cylinder, and a second cylinder. The steering mechanism is arranged to turn the steering shaft and the outboard motor around the steering axis with respect to the transom bracket. The first cylinder is arranged to turn the outboard motor around the tilt axis between a first angle and a second angle larger than the first angle, and support the outboard motor between the first angle and the second angle. The second cylinder is arranged to turn the outboard motor around the tilt axis between the first angle and a third angle larger than the second angle, and support the outboard motor between the first angle and the third angle. | 04-19-2012 |
| 20120135649 | SYSTEM FOR CONTROLLING MARINE CRAFT WITH STEERABLE PROPELLERS - An apparatus and method for use with a marine vessel having a first steerable propeller and a second steerable propeller is disclosed. The apparatus and method providing for movement of the first and second steerable propellers relative to each other and also maintains a minimum distance between the first and second steerable propellers so as to prevent the first and second steerable from contacting each other. Also disclosed is a control system and method to control the first steerable propeller and the second steerable propeller to provide the fixed distance between the first and second steerable propellers and so as to individually control the first steerable propeller and the second steerable propellers to allow the first steerable propeller and the second steerable propeller to move relative to each other. | 05-31-2012 |
| 20120214369 | WATER CRAFT - In a water craft having at least one hull and at least one drive motor, which has an operative drive connection via a drive train to a drive head comprising a propulsion means, the drive head is laterally pivotably mounted relative to the hull with respect to a steering axis. For the lateral adjustment of the drive head relative to the hull, at least one hydraulic steering cylinder is provided, which can be acted on by a hydraulic steering system comprising a hydraulic pump. A hydraulic system, which comprises a separate hydraulic unit and is intended to be used to act on a hydraulic load not serving to steer the water craft, can be coupled to the hydraulic steering system in order to effect an emergency steering function in the sense of acting on the hydraulic steering cylinder. | 08-23-2012 |
| 20120220178 | BARGE PUSHER - A sectional barge assembly and a hydraulic thruster apparatus for maneuvering the sectional barge assembly. The hydraulic thruster apparatus includes a hydraulic power unit and a thruster unit to move the barge assembly. A hydraulic connection panel is mounted on the thruster unit and includes a plurality of hydraulic connectors which allow a plurality of hydraulic lines to be removably connectable thereto, respectively. By this arrangement, the hydraulic pump provides pressurized hydraulic fluid through the hydraulic lines thereto the hydraulic motor and other components of the thruster unit. Additionally, the thruster unit includes at least one hydraulic cylinder for controlling vertical rectilinear sliding of a thruster unit mast between a top position and a bottom position. The thruster unit also includes a rotating mechanism for rotating the mast and a propeller assembly of the thruster unit about a longitudinal axis of the mast. | 08-30-2012 |
| 20120244761 | STEERING ASSEMBLY FOR A MARINE VESSEL WITH VERTICALLY OFFSET PROPULSION - In some embodiments, a hydraulic steering actuator may be provided. The actuator may include: a cylinder and piston rod reciprocatingly mounted within the cylinder and extending through the cylinder for movement along a piston rod axis; a pair of spaced-apart cylinder arms extending radially outward of the cylinder and a pivot plate extending between the cylinder arms; a pair of support arms which are pivotable about a tilt axis and are connected to opposite ends of the piston rod to allow arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt rod axis; and a tie bar mount disposed on the cylinder and having an aperture extending therethrough for the receiving a connecting member which connects a tie bar to the tie bar mount, wherein the aperture extends axially in a direction substantially perpendicular to the piston rod axis. | 09-27-2012 |
| 20140273675 | REMOTE MOUNTED MOTOR COMMAND INPUT DEVICE FOR MARINE VESSELS - This disclosure relates generally to the field of steering systems for marine propulsion, and more specifically, to a remote mounted motor command input device for marine vessels that enables a boat operator to control a motor via a tiller arm remotely mounted at a location non-adjacent to the motor. A purpose of the device is to allow for an operator to safely and conveniently control the motor, which is mounted aft of the rear platform near the bottom of the boat transom, from within the region enclosed by the main deck perimeter railing. Therefore, the operator is not tempted to control the outboard motor while standing on the rear platform of the marine vessel and is not required to leave the main deck area or enter the cockpit in order to control the motor. | 09-18-2014 |
| 20150050849 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for enhancing lift to assist in getting the boat up on plane. | 02-19-2015 |
| 20160121987 | HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION - A hull mounted, steerable marine drive system having trim actuation is both steerable through 360 degrees and is trimmable in a range of from approximately +3 degrees to approximately −15 degrees. The marine drive system includes a watertight enclosure assembly for sealing the hull, which is adapted for keeping much of the marine drive system from being exposed to water. The enclosure includes a gasket flange plate, a retention plate and a folded gasket. The gasket flange plate closely follows the contour of the hull and enhances the hydrodynamic and wake performance of the present marine drive system. Further, marine drive system includes a forward-neutral-reverse (FNR) transmission assembly, a drive unit assembly having a trimmable upper unit and a steerable lower unit, a steering actuator assembly, a trim actuator assembly, and, preferably, trim foils for providing enhanced negative and positive trim and for providing enhanced positive and negative lift. | 05-05-2016 |
| 20090149091 | MEANS FOR PROVIDING UP-RELIEF TO A HYDRAULIC CYLINDER UNIT - A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder and a second position in which the piston rod is fully extended outside the cylinder. A first hydraulic port and a second hydraulic port hydraulically connecting the cylinder unit to a reservoir. Hydraulic fluid is received by the first hydraulic port and hydraulic fluid is discharged by the second port when the piston rod is actuated to move towards the first position. Hydraulic fluid is received by the second hydraulic port and hydraulic fluid is discharged by the first hydraulic port when the piston rod is actuated to move towards the second position. A bore connects the tilt cylinder to a down gallery allowing hydraulic fluid within the cylinder to re-circulate to the reservoir when the piston rod is fully extended outside the cylinder. | 06-11-2009 |
| 20090305586 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 12-10-2009 |
| 20100210156 | BUSHING APPARATUS FOR ELECTRICAL AND HYDRAULIC LINES ON A WATERCRAFT - A trimmable and controllable outside drive of a watercraft which comprises at least two actuators ( | 08-19-2010 |
| 20100285706 | HYDRAULIC CYLINDER DEVICE AND BOAT PROPELLING APPARATUS INCLUDING THE SAME - A trim device includes a trim cylinder, a piston, a piston rod and a support member. The piston is slidable inside the trim cylinder, in the axial direction of the trim cylinder. The piston rod is connected with the piston and moves in the axial direction of the trim cylinder following the movement of the piston. The support member is slidable relative to the piston rod and arranged to support the piston rod so that the piston rod's axial center can become tilted with respect to the axial center of the cylinder. | 11-11-2010 |
| 20130244513 | TRIM AND TILT APPARATUS - A trim and tilt system comprises a trim cylinder unit including a trim cylinder and a trim rod reciprocatingly received by the trim cylinder. The trim rod has a chamfer at distal end thereof. A trim receiver mounted on a swivel bracket has a curved, three-dimensional surface for applying a force to the trim rod. The curved, three-dimensional surface of the trim receiver and the distal end of trim rod are able to self-align so that the force applied to the trim rod is applied substantially along a longitudinal axis of the trim rod. | 09-19-2013 |
| 20140295719 | TRIM AND TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - A trim and tilt apparatus for a marine vessel propulsion machine includes: a cylinder having a cylinder chamber; a piston rod that is telescopically inserted into the cylinder chamber; and a hydraulic oil supply and discharge device that supplies and discharges hydraulic oil to and from the cylinder chamber, the trim and tilt apparatus allowing the marine vessel propulsion machine to perform a trim operation and a tilt operation, and the hydraulic oil supply and discharge device includes: a plurality of discharge units for simultaneously discharging the hydraulic oil; and a switching unit for switching between a case where the cylinder chamber is supplied with the hydraulic oil discharged by a part of the plurality of discharge units, and a case where the cylinder chamber is not supplied with the hydraulic oil discharged by the part of the plurality of discharge units. | 10-02-2014 |
| 20120220177 | TRIM/TILT APPARATUS FOR MARINE VESSEL PROPULSION MACHINE - In a trim/tilt apparatus for a marine vessel propulsion machine, a trim piston is provided with a communication passage which communicates a second tilt chamber with a second trim chamber. The second tilt chamber between the trim piston and a tilt piston can be normally directly communicated with the second trim chamber, and the tilt piston is provided with a shock blow valve which is opened when a working fluid in a first tilt chamber reaches a set pressure, and transfers the working fluid in the first tilt chamber to the second tilt chamber. | 08-30-2012 |
| 20160167759 | PUMP DEVICE AND TILT AND TRIM DEVICE FOR OUTBOARD MACHINE | 06-16-2016 |
| 20090221197 | TILT AND TRIM DEVICE FOR OUTBOARD MOTOR - A tilt and trim device for an outboard motor includes a tilt cylinder and a trim cylinder arranged to raise and lower the outboard motor, a reserve tank, an oil route arranged to allow the tilt cylinder to communicate with the reserve tank, and a branch oil route branched from the oil route and arranged to communicate with the trim cylinder. At least one hydraulic pressure adjustment mechanism is arranged to adjust the hydraulic pressure applied to the trim cylinder via the branch oil route to be equal to or lower than a pressure resistance of the trim cylinder when the outboard motor is forcibly lowered by an external force from a tilt range in which the outboard motor is raised or lowered only by the tilt cylinder. The tilt and trim device is operative to prevent deformation of and damage to a trim cylinder by suppressing the hydraulic pressure applied to the trim cylinder to be not greater than a specified pressure value even when the outboard motor is rapidly lowered from a tilt range, and a high hydraulic pressure from the tilt cylinder is returned in the direction of the trim cylinder. | 09-03-2009 |
