IP Library › Granted Patent US 11,739,733
Granted Patent B2
US 11,739,733 · App. 17/845,316 · Granted Aug 29, 2023

Down-wind horizontal axis turbine apparatus and methods for making and using same

Inventor: William C. Huff (Houston, TX)
Assignee: WCH Engineering
F03D15/00F03D1/0666F03D7/0204F03D9/255F03D80/88F05B2260/4031
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Quick Facts
Patent No.
US 11,739,733
App. No.
17/845,316
Granted
Aug 29, 2023
Kind
B2
Abstract

New down-wind horizontal axis turbine (DWHAT) systems or apparatus and methods for making and using same, wherein the DWHAT systems or apparatus include a base structure, a tower assembly or a derrick assembly anchored to the base structure, a drive assembly, a sail assembly, and a generator assembly, wherein the sails of the sail assembly are configured to catch wind downwind of the apparatuses or systems and wherein the drive assembly converts horizontal rotation of the horizontal shaft into vertical rotation of the vertical shaft that turns the generator generating electrical power that is transmitted to a power grid.

Claims (203)

1. An apparatus comprising:

a base assembly comprising:

one or more base structures or slabs;

a tower assembly comprising:

a vertical assembly including:

a single vertical member, or

an inner vertical member and an outer vertical member,

a top platform member, and

a bottom mounting member mounted to one of the base structures or slabs;

a drive assembly comprising:

a gear box,

a vertical drive shaft, rotationally centered therein by a plurality of bearings within either the single vertical member or the inner vertical member, including:

a proximal end rotationally coupled to the gear box, and

a distal end, and

a horizontal drive shaft, which passes through the gear box, including:

an upwind end including a counterbalance weight attached thereto, affixed thereto, or integral therewith, and

an downwind end;

a downwind sail assembly comprising:

a sail hub assembly including:

a sail hub, attached to, affixed to, or integral with the downwind end of the horizontal drive shaft, having:

a plurality of sail hub connectors,

a support ring including:

 a plurality of support members extending from the sail hub to the support ring, wherein the support members are attached to, affixed to, or integral with the sail hub and/or the support ring;

a plurality of sails comprising:

a mast including:

a sail mast connector adapted to rotationally engage one of the sail hub connectors,

a boom,

a leeward member,

a plurality of sail battens,

a head member,

a foot member, and

a sail;

a plurality of sail sheeting/trim assemblies, each of the sail sheeting/trim assemblies including:

a sail support member,

a sail sheeting/trim drive having:

a motor, and

a reciprocating unit adapted to sheet one of the plurality of sails in and out;

a generator assembly comprising:

one or more generators including:

a power outlet, and

a power cable for connecting the apparatus to a power grid; and

an apparatus control system comprising:

an apparatus control unit, and

a sensor unit,

wherein the apparatus control system is in bilateral communication with the plurality of sail sheeting/trim assemblies and the generator assembly.

2. The apparatus of claim 1 , further comprising:

a pitch and roll stabilizing assembly comprising:

a top collar comprising:

a flange adapted to engage the tower platform,

a bottom collar comprising:

a flange adapted to engage the tower platform, and

bolts adapted to affix the top and bottom collars to the tower platform.

3. The apparatus of claim 1 , further comprising:

a yaw assembly comprising:

a housing,

a main yaw gear,

a main gear mount,

a main gear rotary member,

a plurality of yaw drive assemblies, each of the drive assemblies including:

a motor unit including:

a control unit in bilateral communication with the apparatus control system,

a drive shaft, and

a drive gear adapted to engage the main gear to rotate the tower assembly and the generator assembly to adjust the tower assembly to a wind direction,

a yaw assembly mounting member situated on the main yaw gear and anchored to the base assembly.

4. The apparatus of claim 1 , further comprising:

a pivotally mount assembly comprising:

a bottom vertical member mounted on, affixed to, or integral with the bottom mounting member,

a pivoting joint member,

a top vertical member,

a compression collar including:

a top collar section and

a bottom collar section, and

clamps to hold the collar sections together,

a cradle assembly including:

a base member attached to the base mounting assembly,

a partial cylindrical member, and

a brace/stop member, the brace/stop member is adapted to stop and engage the top vertical member to maintain the tower assembly is upright,

wherein the bottom vertical member and the top vertical member are adapted to engage the pivoting joint member so that the tower assembly may be lowered and raised.

5. The apparatus of claim 1 , further comprising:

a raising and lowering assembly comprising:

a bottom member attached to the base assembly,

a top member, and

a plurality of raising and lowering units, each of the raising and lowering units including:

a raising and lowering control unit in bilateral communication with the apparatus control system, and

a power input cable.

6. The apparatus of claim 1 , wherein the reciprocating unit comprising:

a reel, and

a cable,

wherein the motor turns the reel to wind up or wind out the cable to change a sheeting or trim of the one of the plurality of sails.

7. The apparatus of claim 1 , wherein the reciprocating unit comprising:

a three bar reciprocating unit,

wherein the motor cause the three bar reciprocating unit to change a sheeting or trim of the one of the plurality of sails.

8. The apparatus of claim 1 , wherein the reciprocating unit comprising:

a four bar reciprocating unit,

wherein the motor cause the four bar reciprocating unit to change a sheeting or trim of the one of the plurality of sails.

9. The apparatus of claim 1 , wherein the reciprocating unit comprising:

a worm drive,

wherein the motor cause the worm drive to change a sheeting or trim of the one of the plurality of sails.

10. The apparatus of claim 1 , wherein the reciprocating unit comprising:

a cam drive,

wherein the motor cause the cam drive to change a sheeting or trim of the one of the plurality of sails.

11. An apparatus comprising:

a base assembly comprising:

one or more base structures or slabs;

a tower assembly comprising:

a vertical assembly including:

a single vertical member, or

an inner vertical member and an outer vertical member,

a top platform member, and

a bottom mounting member mounted to one of the base structures or slabs;

a drive assembly comprising:

a gear box,

a vertical drive shaft, rotationally centered therein by a plurality of bearings within either the single vertical member or the inner vertical member, including:

a proximal end rotationally coupled to the gear box, and

a distal end, and

a horizontal drive shaft, which passes through the gear box, including:

an upwind end including a small upwind fixed blade fan attached thereto, affixed thereto, or integral therewith, and

an downwind end;

a downwind sail assembly comprising:

a sail hub assembly including:

a sail hub, attached to, affixed to, or integral with the downwind end of the horizontal drive shaft, having:

a plurality of sail hub connectors,

a support ring including:

 a plurality of support members extending from the sail hub to the support ring, wherein the support members are attached to, affixed to, or integral with the sail hub and/or the support ring;

a plurality of sails comprising:

a mast including:

a sail mast connector adapted to rotationally engage one of the sail hub connectors,

a boom,

a leeward member,

a plurality of sail battens,

a head member,

a foot member, and

a sail;

a plurality of sail sheeting/trim assembly, each of the sail sheeting/trim assemblies including:

a sail support member,

a sail sheeting/trim drive having:

a motor, and

a reciprocating unit adapted to sheet of the plurality of sails in and out;

a generator assembly comprising:

one or more generators including:

a power outlet, and

a power cable for connecting the apparatus to a power grid; and

an apparatus control system comprising:

an apparatus control unit, and

a sensor unit,

wherein the apparatus control system is in bilateral communication with the plurality of sail sheeting/trim assemblies and the generator assembly.

12. The apparatus of claim 11 , further comprising:

a pitch and roll stabilizing assembly comprising:

a top collar comprising:

a flange adapted to engage the tower platform,

a bottom collar comprising:

a flange adapted to engage the tower platform, and

bolts adapted to affix the top and bottom collars to the tower platform.

13. The apparatus of claim 11 , further comprising:

a yaw assembly comprising:

a housing,

a main yaw gear,

a main gear mount,

a main gear rotary member,

a plurality of yaw drive assemblies, each of the drive assemblies including:

a motor unit including:

a control unit,

a drive shaft, and

a drive gear adapted to engage the main gear to rotate the tower assembly and the generator assembly to adjust the tower assembly to

a wind direction,

a mounting member situated on the main yaw gear and anchored to the base assembly.

14. The apparatus of claim 11 , further comprising:

a pivotally mount assembly comprising:

a bottom vertical member mounted on, affixed to, or integral with the bottom mounting member,

a pivoting joint member,

a top vertical member,

a compression collar including:

a top collar section and

a bottom collar section, and

clamps to hold the collar sections together,

a cradle assembly including:

a base member attached to the base mounting assembly,

a partial cylindrical member, and

a brace/stop member, the brace/stop member is adapted to stop and engage the top vertical member to maintain the tower assembly is upright,

wherein the bottom vertical member and the top vertical member are adapted to engage the pivoting joint member so that the tower assembly may be lowered and raised.

15. The apparatus of claim 11 , further comprising:

a raising and lowering assembly comprising:

a bottom member attached to the base assembly,

a top member, and

a plurality of raising and lowering units, each of the raising and lowering units including:

a raising and lowering control unit in bilateral communication with the apparatus control system, and

a power input cable.

16. The apparatus of claim 11 , wherein the reciprocating unit comprising:

a reel, and

a cable,

wherein the motor turns the reel to wind up or wind out the cable to change a sheeting or trim of one of the plurality of sails.

17. The apparatus of claim 11 , wherein the reciprocating unit comprising:

a three bar reciprocating unit,

wherein the motor cause the three bar reciprocating unit to change a sheeting or trim of the one of the plurality of sails.

18. The apparatus of claim 11 , wherein the reciprocating unit comprising:

a four bar reciprocating unit,

wherein the motor cause the four bar reciprocating unit to change a sheeting or trim of the one of the plurality of sails.

19. The apparatus of claim 11 , wherein the reciprocating unit comprising:

a worm drive,

wherein the motor cause the worm drive to change a sheeting or trim of the one of the plurality of sails.

20. The apparatus of claim 11 , wherein the reciprocating unit comprising:

a cam drive,

wherein the motor cause the cam drive to change a sheeting or trim of one of the plurality of sails.

Continuity (2)
Provisional Application 63213897 · Jun 23, 2021
Related Publication 20230003197A1 · Jan 5, 2023