Surf wake forming systems and methods with primary and secondary subtabs
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63B-009/06
B63B-039/06
출원번호
US-0140416
(2018-09-24)
등록번호
US-10202177
(2019-02-12)
발명자
/ 주소
Hartman, Richard Lawrence
Brown, Matthew Douglas
Turley, Travis Lane
출원인 / 주소
Skier's Choice, Inc.
대리인 / 주소
Malhotra Law Firm, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
41
초록▼
A wakeboat has a hull, the hull forming a wake when moving forward in the water, with a port disturbance and a starboard disturbance in the wake. A trim tab is supported by the hull at the stern of the hull. The trim tab comprises a primary subtab and a secondary subtab. One or more actuators may be
A wakeboat has a hull, the hull forming a wake when moving forward in the water, with a port disturbance and a starboard disturbance in the wake. A trim tab is supported by the hull at the stern of the hull. The trim tab comprises a primary subtab and a secondary subtab. One or more actuators may be optionally included to reposition the trim tab more into, or more out of, the water. Other systems and methods are also provided.
대표청구항▼
1. A system for forming asymmetric surf wakes behind a wakeboat, comprising: a hull having a port side, a starboard side, a bow, a stern, a length from the bow to the stern, and a width from the port side to the starboard side, the hull being configured to float in water with a waterline on the outs
1. A system for forming asymmetric surf wakes behind a wakeboat, comprising: a hull having a port side, a starboard side, a bow, a stern, a length from the bow to the stern, and a width from the port side to the starboard side, the hull being configured to float in water with a waterline on the outside of the hull; the hull having a yaw axis, the yaw axis running substantially vertically through the hull;the hull having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially laterally across the width of the hull;the hull having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially along the length of the hull;a primary left trim tab pivotally supported by the hull proximate the port side of the stern for rotation about a first tab axis that is substantially parallel with the waterline when the hull is at rest in the water;a primary left actuator mounted between the hull and the primary left trim tab, and configured to rotate the primary left trim tab around the first tab axis of the primary left trim tab from a position having decreased interaction with the water passing beneath the hull to a position having increased interaction with the water passing beneath the hull;a secondary left trim tab pivotally mounted to the primary left trim tab for rotation about a second tab axis that is non-parallel to the first tab axis;a secondary left actuator mounted between the primary left trim tab and the secondary left trim tab, and configured to rotate the secondary left trim tab around the second tab axis from a position having decreased interaction with the water passing beneath the hull to a position having increased interaction with the water passing beneath the hull;a primary right trim tab pivotally supported by the hull proximate the starboard side of the stern for rotation about a third tab axis that is substantially parallel with the waterline when the hull is at rest in the water;a primary right actuator mounted between the hull and the primary right trim tab, and configured to rotate the primary right trim tab around the third tab axis from a position having decreased interaction with the water passing beneath the hull to a position having increased interaction with the water passing beneath the hull;a secondary right trim tab pivotally mounted to the primary right trim tab for rotation about a fourth tab axis that is non-parallel to the third tab axis;a secondary right actuator mounted between the primary right trim tab and the secondary right trim tab, and configured to rotate the secondary right trim tab around the fourth tab axis from a position having decreased interaction with the water passing beneath the hull to a position having increased interaction with the water passing beneath the hull;a controller with at least one actuator interface, the controller in selective communication with at least one of the primary left actuator, the secondary left actuator, the primary right actuator, and the secondary right actuator; andan operator input coupled to the controller, the controller selectively operating at least one of the primary left actuator, the secondary left actuator, the primary right actuator, and the secondary right actuator in response to activation of the operator input. 2. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the secondary left trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its yaw axis in the direction which rotates the stern of the hull in a starboard direction. 3. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the secondary right trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its yaw axis in a direction which rotates the stern of the hull in a port direction. 4. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the primary left trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its roll axis in the direction which raises the port side of the hull relative to the starboard side of the hull. 5. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the primary right trim tab is configured to, when in the position having increased interaction with the water passing beneath the hull, rotate the hull around its roll axis in the direction which raises the starboard side of the hull relative to the port side of the hull. 6. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein at least one of the primary left actuator, the secondary left actuator, the primary right actuator, and the secondary right actuator are powered electrically, hydraulically, or pneumatically. 7. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the controller further comprises a communication interface compatible with at least one of Controller Area Network, Ethernet, serial, optical, and wireless. 8. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 further comprising a memory coupled to the controller, the controller selectively recording in the memory the status of at least one of the primary left actuator, the secondary left actuator, the primary right actuator, and the secondary right actuator. 9. The system for forming asymmetric surf wakes behind a wakeboat of claim 8 wherein the controller selectively recalls from the memory the status of at least one of the primary left actuator, the secondary left actuator, the primary right actuator, and the secondary right actuator, the controller using the recalled status to operate at least one of the actuators. 10. The system for forming asymmetric surf wakes behind a wakeboat of claim 9 wherein the memory recall and actuator operation by the controller is triggered by the action of the operator input. 11. The system for forming asymmetric surf wakes behind a wakeboat of claim 10 further comprising a second operator input coupled to the controller, wherein the second operator input triggers a different memory recall and actuator operation than that triggered by the first operator input. 12. The system for forming asymmetric surf wakes behind a wakeboat of claim 1 wherein the operator input comprises at least one of a touchscreen, switch, button, and knob. 13. The system for forming asymmetric surf wakes behind a wakeboat of claim 12 wherein the operator input comprises a region of a touchscreen. 14. A system for forming asymmetric surf wakes behind a wakeboat, comprising: a hull having a port side, a starboard side, a length from the bow to the stern, a width from the port side to the starboard side, the hull being configured to float in water with a waterline on the outside of the hull; the hull having a yaw axis, the yaw axis running substantially vertically through the hull;the hull having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially laterally across the width of the hull;the hull having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially along the length of the hull;the hull, when moving forward in the water, creating a wake, and a port disturbance and a starboard disturbance in the wake;a transom at the rear of and supported by the hull;a trim tab comprising a primary subtab and a secondary subtab, the trim tab pivotally mounted to the transom proximate one of the port and starboard side of the transom for rotation around a first tab axis that is substantially parallel with one of the bottom edge of the transom near the mounting point of the trim tab and the waterline when the hull is at rest in the water, the trim tab configured to rotate around the first tab axis from a position having decreased interaction with the water passing beneath the transom to a position having increased interaction with the water passing beneath the transom, the trim tab further configured to, when in the position having increased interaction with the water passing beneath the transom, substantially redirect the starboard disturbance to the port side of the wake or the port disturbance to the starboard side of the wake;an actuator mounted between the transom and the trim tab, and configured to rotate the trim tab around the first tab axis from the position having decreased interaction with the water passing beneath the transom to the position having increased interaction with the water passing beneath the transom; a controller with an actuator interface, the controller in selective communication with the actuator; andan operator input coupled to the controller. 15. The system for forming asymmetric surf wakes behind a wakeboat of claim 14 further configured to be retrofitted to the hull of an existing wakeboat. 16. The system for forming asymmetric surf wakes behind a wakeboat of claim 14 wherein the actuator is powered electrically, hydraulically, or pneumatically. 17. The system for forming asymmetric surf wakes behind a wakeboat of claim 14 wherein the operator input selectively triggers the controller to operate the actuator to rotate the trim tab to substantially redirect the starboard disturbance to the port side of the wake or the port disturbance to the starboard side of the wake. 18. The system for forming asymmetric surf wakes behind a wakeboat of claim 17 further comprising a memory coupled to the controller, the controller selectively recording in the memory the status of the actuator, the operator input selectively triggering the controller to selectively recall from the memory the status of the actuator. 19. The system for forming asymmetric surf wakes behind a wakeboat of claim 17 further comprising: a second trim tab comprising a primary subtab and a secondary subtab, the trim tab pivotally mounted to the transom proximate the opposite of the port and starboard side of the transom for rotation around a second tab axis that is substantially parallel with one of the bottom edge of the transom near the mounting point of the second trim tab and the waterline when the hull is at rest in the water, the second trim tab configured to rotate around the second tab axis from a position having decreased interaction with the water passing beneath the transom to a position having increased interaction with the water passing beneath the transom, the second trim tab further configured to, when in the position having increased interaction with the water passing beneath the transom, substantially redirect the port disturbance to the starboard side of the wake or the starboard disturbance to the port side of the wake;a second actuator mounted between the transom and the second trim tab, and configured to rotate the second trim tab around the second tab axis from the position having decreased interaction with the water passing beneath the transom to the position having increased interaction with the water passing beneath the transom;a second actuator interface in the controller, the controller in selective communication with the second actuator; anda second operator input coupled to the controller, the second operator input selectively triggering the controller to operate at least one actuator to rotate at least one of the first and second trim tabs to substantially redirect the disturbance to the opposite side of the wake from that triggered by the first operator input. 20. A method of manufacturing a system for forming asymmetric surf wakes behind a wakeboat having hull including a port side, a starboard side, a bow, a stern, a length from the bow to the stern, a width from the port side to the starboard side, and configured to float in water with a waterline on the outside of the wakeboat, the wakeboat having a yaw axis, the yaw axis running substantially vertically through the wakeboat, the wakeboat having a pitch axis, the pitch axis being orthogonal to the yaw axis and running substantially laterally across the width of the wakeboat, the wakeboat having a roll axis, the roll axis being orthogonal to the yaw axis and the pitch axis and running substantially along the length of the wakeboat, the wakeboat, when moving forward in the water, creating a wake and a port disturbance and a starboard disturbance in the wake, the method comprising: providing a trim tab configured to be supported by the hull proximate one of the port side and starboard side of the hull transom, the trim tab having a lift subtab and a yaw subtab; the yaw subtab being pivotably mounted to the lift subtab for rotation around a first tab axis between a first position and a second position, wherein the yaw subtab is configured to induce more yaw in the wakeboat in the second position than in the first position;the lift subtab being configured to be supported by the hull of the wakeboat for pivotal rotation around a second tab axis that is substantially parallel with the waterline when the wakeboat is at rest in the water, the lift subtab being configured to rotate around the second tab axis, that is non-coincident with the first tab axis, between a first position and a second position, the lift subtab having more interaction with water when in the second position than when in the first position;providing means for selectively controlling rotation of the lift subtab about the second axis;providing means for selectively controlling rotation of the yaw subtab about the first axis;providing a controller, and coupling the controller to the rotation means of the lift subtab and the rotation means of the yaw subtab; andproviding a operator input coupled to the controller, and configuring the controller to control rotation of at least one of the lift subtab or the yaw subtab in response to activation of the operator input. 21. A method in accordance with claim 20 and further comprising: providing a second trim tab configured to be supported by the hull proximate the opposite of the port side and starboard side of the hull, the second trim tab having a lift subtab and a yaw subtab;coupling the controller to the rotation means of the second lift subtab and the rotation means of the second yaw subtab; andproviding a second operator input coupled to the controller, and configuring the controller to selectively control rotation of at least one of the first lift subtab, second lift subtab, first yaw subtab, and second yaw subtab in response to activation of at least one of the first or second operator input. 22. A method in accordance with claim 21 wherein the means for selectively controlling rotation of the lift subtab about the second axis comprises an actuator having a first end supported by the lift subtab and a second end configured to be supported by the hull. 23. A method in accordance with claim 21 wherein the means for selectively controlling rotation of the yaw subtab about the first axis comprises an actuator having a first end supported by the yaw subtab and a second end supported by the lift subtab.
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