대표
청구항
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1. A method for reversing a watercraft, the watercraft having a hull, a deck disposed on the hull, a motor connected to at least one of the hull and the deck, a jet propulsion system operatively connected to the motor, a reverse gate connected to at least one of the hull, the deck and the jet propulsion system, the reverse gate being movable between at least a stowed position and a reverse position, and a reverse gate actuator operatively connected to the reverse gate for moving the reverse gate between at least the stowed position and the reverse positi...
1. A method for reversing a watercraft, the watercraft having a hull, a deck disposed on the hull, a motor connected to at least one of the hull and the deck, a jet propulsion system operatively connected to the motor, a reverse gate connected to at least one of the hull, the deck and the jet propulsion system, the reverse gate being movable between at least a stowed position and a reverse position, and a reverse gate actuator operatively connected to the reverse gate for moving the reverse gate between at least the stowed position and the reverse position, the method comprising: receiving, in a control unit, a reverse signal from a reverse gate operator position sensor sensing a position of a reverse gate operator;receiving, in the control unit, a speed signal representative of at least one of a watercraft speed and a motor speed;controlling, by the control unit, an operation of the reverse gate actuator based at least in part on the speed signal; andmoving the reverse gate from the stowed position to the reverse position with the reverse gate actuator in response to receiving the reverse signal, the reverse gate actuator being controlled such that a movement speed of the reverse gate depends on the speed signal. 2. The method of claim 1, wherein the reverse gate actuator is controlled such that the movement speed of the reverse gate at a first of the at least one of the watercraft speed and the motor speed is greater than the movement speed of the reverse gate at a second of the at least one of the watercraft speed and the motor speed, the second of the at least one of the watercraft speed and the motor speed being greater than the first of the at least one of the watercraft speed and the motor speed. 3. The method of claim 2, wherein the reverse gate actuator is controlled such that the movement speed of the reverse gate increases as the at least one of the watercraft speed and the motor speed decreases. 4. The method of claim 2, wherein the at least one of the watercraft speed and the motor speed is the watercraft speed. 5. The method of claim 2, wherein controlling the operation of the reverse gate actuator includes: applying a first power level to the reverse gate actuator at the first of the at least one of the watercraft speed and the motor speed; andapplying a second power level to the reverse gate actuator at the second of the at least one of the watercraft speed and the motor speed,the first power level is greater than the second power level. 6. The method of claim 2, further comprising: receiving, in the control unit, a throttle signal from a throttle operator position sensor sensing a position of a throttle operator; andin response to receiving the reverse signal, limiting, by the control unit, an operation of the motor based at least in part on the at least one of the watercraft speed and the motor speed. 7. The method of claim 6, wherein limiting the operation of the motor includes limiting at least one of: a degree of opening of a throttle valve;the motor speed; anda torque of the motor, to a reverse limit. 8. The method of claim 7, wherein the reverse limit at the first of the at least one of the watercraft speed and the motor speed is greater than the reverse limit at the second of the at least one of the watercraft speed and the motor speed. 9. The method of claim 8, wherein the reverse limit increases as the at least one of the watercraft speed and the motor speed decreases. 10. The method of claim 8, wherein the at least one of the watercraft speed and the motor speed is the watercraft speed. 11. The method of claim 7, wherein the at least one of: the degree of opening of a throttle valve;the motor speed; andthe torque of the motor, is the torque of the motor. 12. The method of claim 2, wherein, at the second of the at least one of the watercraft speed and the motor speed, the reverse gate actuator is controlled such that the movement speed of the reverse gate from the stowed position to a neutral position is greater than the movement speed of the reverse gate from the neutral position to the reverse position. 13. A method for reversing a watercraft, the watercraft having a hull, a deck disposed on the hull, a motor connected to at least one of the hull and the deck, a jet propulsion system operatively connected to the motor, a reverse gate connected to at least one of the hull, the deck and the jet propulsion system, the reverse gate being movable between at least a stowed position and a reverse position, and a reverse gate actuator operatively connected to the reverse gate for moving the reverse gate between at least the stowed position and the reverse position, the method comprising: receiving, in a control unit, a reverse signal from a reverse gate operator position sensor sensing a position of a reverse gate operator;receiving, in the control unit, a speed signal representative of at least one of a watercraft speed and a motor speed;controlling, by the control unit, an operation of the reverse gate actuator based at least in part on the speed signal; andmoving the reverse gate from the stowed position to the reverse position with the reverse gate actuator in response to receiving the reverse signal, the reverse gate actuator being controlled such that a time taken to move the reverse gate from the stowed position to the reverse position depends on the speed signal. 14. The method of claim 13, wherein the reverse gate actuator is controlled such that the time taken at a first of the at least one of the watercraft speed and the motor speed is smaller than the time taken at a second of the at least one of the watercraft speed and the motor speed, the second of the at least one of the watercraft speed and the motor speed being greater than the first of the at least one of the watercraft speed and the motor speed. 15. The method of claim 14, wherein the reverse gate actuator is controlled such that the time taken decreases as a value of the at least one of the watercraft speed and the motor speed when the reverse signal is initially received decreases. 16. The method of claim 14, wherein controlling the operation of the reverse gate actuator includes: applying a first power level to the reverse gate actuator at the first of the at least one of the watercraft speed and the motor speed; andapplying a second power level to the reverse gate actuator at the second of the at least one of the watercraft speed and the motor speed,the first power level is greater than the second power level. 17. The method of claim 14, further comprising: receiving, in the control unit, a throttle signal from a throttle operator position sensor sensing a position of a throttle operator; andin response to receiving the reverse signal, limiting, by the control unit, an operation of the motor based at least in part on the at least one of the watercraft speed and the motor speed. 18. The method of claim 14, wherein, at the second of the at least one of the watercraft speed and the motor speed, the reverse gate actuator is controlled such that a movement speed of the reverse gate from the stowed position to a neutral position is greater than the movement speed of the reverse gate from the neutral position to the reverse position. 19. A watercraft comprising: a hull;a deck disposed on the hull;a motor connected to one of the hull and the deck;a jet propulsion system operatively connected to the motor;a control unit communicating with the motor for controlling an operation of the motor;a reverse gate operatively connected to at least one of the hull, the deck and the jet propulsion system, the reverse gate being movable between at least a stowed position and a reverse position;a reverse gate actuator operatively connected to the reverse gate for moving the reverse gate between at least the stowed position and the reverse position, and being in communication with the control unit;a reverse gate operator position sensor in communication with the control unit; anda reverse gate operator connected to the reverse gate operator position sensor, the reverse gate operator position sensor sensing a position of the reverse gate operator,the control unit including: a processor; anda tangible computer readable storage medium communicating with the processor and storing instructions that cause the control unit to perform the steps of the method of claim 1. 20. A watercraft comprising: a hull;a deck disposed on the hull;a motor connected to one of the hull and the deck;a jet propulsion system operatively connected to the motor;a control unit communicating with the motor for controlling an operation of the motor;a reverse gate operatively connected to at least one of the hull, the deck and the jet propulsion system, the reverse gate being movable between at least a stowed position and a reverse position;a reverse gate actuator operatively connected to the reverse gate for moving the reverse gate between at least the stowed position and the reverse position, and being in communication with the control unit;a reverse gate operator position sensor in communication with the control unit; anda reverse gate operator connected to the reverse gate operator position sensor, the reverse gate operator position sensor sensing a position of the reverse gate operator,the control unit including: a processor; anda tangible computer readable storage medium communicating with the processor and storing instructions that cause the control unit to perform the steps of the method of claim 13.
