Wakeboat with dynamic wave control

• US 10,093,398 B1
• Filed: 06/23/2017
• Issued: 10/09/2018
• Est. Priority Date: 07/06/2012
• Status: Active Grant

• Current Assignee: Skier's Choice Incorporated
• Original Assignee: Skier's Choice Incorporated
• Inventors: Hartman, Richard L.
• Primary Examiner(s): Olson, Lars A
• Application Number:
  US15/632,089
• Time in Patent Office: 473 Days
• Field of Search: 114125, 114285
• CPC Class Codes: B63B 2207/02 Variable ballast or buoyancy
• CPC Class Codes: B63B 34/00 Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure water sports boards B63B32/00; swimming frameworks A63B35/00; propulsion arrangements actuated by muscle power B63H16/00
• CPC Class Codes: B63B 34/70 Arrangements on vessels specially adapted for generating waves for surfing, wakeboarding or the like, e.g. ballast tanks
• CPC Class Codes: B63B 34/75 Arrangements of wake plates
• CPC Class Codes: B63B 39/03 by transferring liquids
• CPC Class Codes: B63B 39/061 by using trimflaps, i.e. flaps mounted on the rear of a boat, e.g. speed boat
• CPC Class Codes: F04D 13/08 for submerged use
• CPC Class Codes: F04D 13/12 Combinations of two or more pumps combinations with priming pumps or booster pumps to counteract vapour-lock F04D9/04
• CPC Class Codes: F04D 15/0072 Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-parallel

Abstract

Wakeboat ballast pump systems and methods are provided to monitor the operational condition and parameters of wakeboat ballast components. Systems and methods for sensing and measurement are provided to detect parameters associated with wakeboat ballast pumps and compartments, including systems and methods that can economically retrofit into existing wakeboat ballast systems. Systems and methods are also provided to enable automated action based on various operational conditions and parameters to improve the safety, automation, performance, convenience, and marketing advantage of wakeboat ballast pumps.

Claims

1. A wakeboat control system suitable for modifying a wake produced by a wakeboat to produce a port wave or a starboard wave suitable for surfing comprising:

said wakeboat having a hull and a transom;

said hull having a longitudinal axis, a lateral axis and a vertical axis;

a first sensor configured to measure a change in the angle of the hull about the longitudinal axis;

a second sensor configured to measure a change in the angle of the hull about the lateral axis;

a plurality of ballast pumps;

trim plates movably attached to the transom;

processing circuitry coupled to the first and second sensors and said trim plates, the processing circuitry automatically controls operation of at least one of the ballast pumps and trim plates in response to inputs received from the first and second sensors.

2. The wakeboat control system of claim 1, further comprising:

a draft sensor operatively associated with the hull, the draft sensor measuring the depth of the hull in the surrounding water and said draft sensor coupled to said processing circuitry;

the processing circuitry automatically controls operation of at least one of the ballast pumps and trim plates in response to inputs received from the first and second sensors and said draft sensor.

3. The wakeboat control system of claim 1, further comprising:

a third sensor configured to measure a change in the angle of the hull about the vertical axis, the third sensor coupled to said processing circuitry;

the processing circuitry automatically controls operation of at least one of the ballast pumps and trim plates in response to inputs received from the first, second and third sensors.

4. The wakeboat control system of claim 1, further comprising a configuration lookup table associated with said processing circuitry, said configuration lookup table configured to store prior wakeboat operational configurations as determined by said first and second sensors.

5. The wakeboat control system of claim 1, further comprising:

a third sensor configured to measure a change in the angle of the hull about the vertical axis, the third sensor coupled to said processing circuitry; and

,

a draft sensor whereby the processing circuitry automatically controls operation of the ballast pumps and trim plates in response to inputs received from the first, second and third sensors;

the processing circuitry automatically controls operation of at least one of the ballast pumps and trim plates in response to inputs received from the first, second and third sensors and said draft sensor.

6. The wakeboat control system of claim 5, further comprising a configuration lookup table associated with said processing circuitry, said configuration lookup table configured to store prior wakeboat operational configurations as determined by said first sensor, said second sensor, said third sensor and said draft sensor.

7. A method for producing a wake suitable for wake surfing behind a wakeboat comprising the steps of:

providing a wakeboat said wakeboat comprising;

a hull and a transom, said hull having a longitudinal axis, a lateral axis and a vertical axis and,

a first sensor configured to measure a change in the angle of the hull about the longitudinal axis, a second sensor configured to measure a change in the angle of the hull about the lateral axis, at least one ballast pump, and trim plates movably attached to the transom;

processing circuitry coupled to the first and second sensors and said trim plates; and

,

a configuration lookup table associated with said processing circuitry, said configuration lookup table configured to store prior wakeboat operational configurations as determined by said first sensor and said second sensor; and

,

said configuration lookup table containing at least one previously stored wakeboat operational configuration;

using said processing circuitry to recall a stored prior wakeboat operational configuration;

using said processing circuitry to approximate the recalled wakeboat operational configuration by operating at least one of said ballast pumps and said trim plates to adjust the angular configuration of said hull about said longitudinal axis and said lateral axis.

8. The method of claim 7, wherein said wakeboat further comprises a draft sensor configured to measure the depth of the hull in the surrounding water, said draft sensor coupled to said processing circuitry;

and

wherein said stored wakeboat operational configurations are determined by said first sensor, said second sensor and said draft sensor, and

wherein said step of using said processing circuitry to approximate the recalled wakeboat operational configuration further includes;

operating at least one of said ballast pumps and said trim plates to approximate the stored depth of said hull in the surrounding water associated with said stored wakeboat operational configuration.

9. The method of claim 7, wherein said wakeboat further comprises a third sensor configured to measure the angle of the hull about the vertical axis of the hull, said third sensor coupled to said processing circuitry;

and

wherein said stored wakeboat operational configurations are determined by said first sensor, said second sensor and said third sensor, and

wherein said step of using said processing circuitry to approximate the recalled wakeboat operational configuration further includes;

operating at least one of said ballast pumps and said trim plates to approximate the stored angle of said hull about the vertical axis associated with said stored wakeboat operational configuration.

10. The method of claim 7, wherein said wakeboat further comprises a third sensor configured to measure the angle of the hull about the vertical axis of the hull and a draft sensor configured to measure the depth of the hull in the surrounding water, said third sensor coupled to said processing circuitry and said draft sensor coupled to said processing circuitry;

wherein said stored wakeboat operational configurations are determined by said first sensor, said second sensor, said third sensor, and said draft sensor;

wherein said step of using said processing circuitry to approximate the recalled wakeboat operational configuration further includes;

operating at least one of said ballast pumps and said trim plates to approximate the stored angle of said hull about the vertical axis associated with said stored wakeboat operational configuration and to approximate the stored depth of said hull in the surrounding water associated with said stored wakeboat operational configuration.

11. The method of claim 10, further comprising the step of using the processing circuitry to control operation of at least one of the ballast pumps and trim plates in response to inputs received from the first sensor, the second sensor, the third sensor and the draft sensor to produce the desired wake suitable for surfing.

12. A method for producing a wake suitable for wake surfing behind a wakeboat comprising:

using a first sensor to monitor the angle of rotation of the hull of said wakeboat about a longitudinal axis and generate a first signal associated with the angle of rotation of the hull about the longitudinal axis;

using a second sensor to monitor the angle of rotation of the hull of said wakeboat about a lateral axis and generate a second signal associated with the angle of rotation of the hull about the longitudinal axis;

inputting the first signal from the first sensor into processing circuitry;

inputting the second signal from the second sensor into processing circuitry;

inputting the angular deflection of said movable trim plates into processing circuitry;

using the processing circuitry to automatically control the operation of ballast pumps in response to the first signal generated by the first sensor to change the angle of rotation of the hull about the longitudinal axis thereby controlling the hull to produce the desired wake; and

,

recording the angle of rotation of the hull about the longitudinal and lateral axes and storing the recorded angles of rotation of the hull about the longitudinal and lateral axes in a configuration lookup table associated with the processing circuitry.

13. The method of claim 12, further comprising the step of using the processing circuitry to automatically control the operation of ballast pumps in response to the first signal generated by the first sensor and the second signal generated by the second sensor to change the angle of rotation of the hull about the longitudinal axis and the lateral axis thereby controlling the hull to produce the desired wake.

14. The method of claim 12, further comprising the steps of:

measuring the depth of the hull in the surrounding water;

inputting the depth of the hull into the processing into the processing circuitry;

using the processing circuitry to automatically control the operation of ballast pumps in response to the determined depth of the hull in the surrounding water and in response to the first signal generated by the first sensor and the second signal generated by the second sensor to change the angle of rotation of the hull about the longitudinal axis and the lateral axis thereby controlling the hull to produce the desired wake; and

,

recording the depth of the hull in the surrounding water and storing the depth in a configuration lookup table associated with the processing circuitry.

15. The method of claim 12, further comprising the steps of:

using a third sensor to monitor the angle of rotation of the hull of said wakeboat about a vertical axis and generate a third signal associated with the angle of rotation of the hull about the vertical axis;

inputting the third signal from the sensor into processing circuitry;

using the processing circuitry to automatically control the operation of ballast pumps in response in response to the first signal generated by the first sensor, the second signal generated by the second sensor and the third signal generated by the third sensor to change the angle of rotation of the hull about the longitudinal axis, the lateral axis and the vertical axis thereby controlling the hull to produce the desired wake; and

recording the angle of rotation of the hull about the longitudinal axis, the lateral axis and vertical axis and storing the recorded angles of rotation of the hull about the longitudinal axis, the lateral axis and vertical axis in a configuration lookup table associated with the processing circuitry.

16. A wakeboat control system suitable for modifying a wake produced by a wakeboat to produce a port wave or a starboard wave suitable for surfing comprising:

said wakeboat having a hull and a transom;

a first draft sensor operatively associated with the hull, the first draft sensor measuring the depth of the hull in the surrounding water;

a second draft sensor operatively associated with the hull, the second draft sensor measuring the depth of the hull in the surrounding water;

trim plates movably attached to the transom;

processing circuitry coupled to and receiving measurements from the first and second draft sensors; and

a ballast pump coupled to and operated by the processing circuitry, the processing circuitry operating the ballast pump in accordance with the measurements from the first and second draft sensors.

17. The wakeboat control system of claim 16, wherein the processing circuitry is operatively coupled to said trim plates to receive positional data from said trim plates and said processing circuitry provides the ability to store and recall the angle of said trim plates, the depth of the hull in the water reported by said first draft sensor and the depth of the hull in the water reported by said second draft sensor.

18. The wakeboat control system of claim 16, wherein the processing circuitry further provides the ability to automatically control the ballast pumps in response to the recalled depth of the hull in the water reported by the first and second draft sensors.

19. The wakeboat control system of claim 16, further comprising a configuration lookup table associated with said processing circuitry, said configuration lookup table configured to store prior first draft sensor data, second draft sensor data and trim plate positions.

22. The method of claim 19, further comprising the step of recording the angular deflection of said movable trim plates and storing said angular deflection in said configuration lookup table.

20. A method for producing a wake suitable for wake surfing behind a wakeboat comprising:

using a first draft sensor to monitor a first depth of the hull in the surrounding water and generate a first signal associated with the first depth of the hull in the surrounding water;

using a second draft sensor to monitor a second depth of the hull in the surrounding water and generate a second signal associated the second depth of the hull in the surrounding water;

inputting the first signal from the first draft sensor into processing circuitry;

inputting the second signal from the second draft sensor into processing circuitry;

using the processing circuitry to automatically control the operation of ballast pumps in response to the first signal generated by the first draft sensor and the second signal generated by the second draft sensor to produce a wake suitable for wake surfing; and

,

recording the first depth of the hull and storing the recorded first depth of the hull in a configuration lookup table associated with the processing circuitry and recording the second depth of the hull and storing the recorded second depth of the hull in a configuration lookup table associated with the processing circuitry.

21. The method of claim 20, further comprising the step of:

determining the angular deflection of movable trim plates, said movable trim plates attached to a transom of said wakeboat; and

, inputting the angular deflection of said movable trim plates into said processing circuitry.