# US 12,000,367 B2 · Hybrid power generation system using tidal energy

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- Number: US 12,000,367 B2
- Document ID: US12000367B2
- Status: Granted
- Kind: B2
- Application number: 17/897,343
- Filed: 2022-08-29
- Published: 2023-09-07
- Granted: 2024-06-04
- Earliest claimed: 2022-03-04
- Applicants: Musbah Ali Lahib
- Inventors: Musbah Ali Lahib
- Web page: https://patentgrep.com/patent/US12000367B2

## CPC

- F03B 13/262: {using the relative movement between a tide-operated member and another member}
- F05B 2220/706: an electrical generator
- F05B 2220/708: Photoelectric means, i.e. photovoltaic or solar cells
- F05B 2260/4031: as in toothed gearing
- Y02E 10/30: Energy from the sea, e.g. using wave energy or salinity gradient
- F03B: MACHINES OR ENGINES FOR LIQUIDS (positive-displacement engines for liquid F03C; machines for liquids and gases F01; positive-displacement machines for liquids F04, rotary fluid gearing of the hydrokinetic type F16H41/00)
- F05B: INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A system for generating tidal power comprising a tank supported by at least one vertical gear, such that the tank travels in an upward direction and a downward direction with the at least one vertical gear, the tank travel based on a vertical motion of a tide. At least one circular gear is coupled to the at least one vertical gear, such that the at least one circular gear rotates when the at least one vertical gear moves in the upward direction and the downward direction. A shaft is connected to the at least one circular gear, such that the shaft rotates when the at least one circular gear rotates. A dynamo is attached to the shaft, such that the rotation of the shaft is transmitted to the dynamo for power generation.

## Claims

### Claim 1

A hybrid system for generating power from tidal energy, comprising:
at least one vertical gear;
a tank supported by the at least one vertical gear such that the tank travels in an upward direction and in a downward direction with the at least one vertical gear, the tank travel based on a vertical motion of a tide of a tidal water that lifts and lowers the tank;
at least one circular gear coupled to the at least one vertical gear such that the at least one circular gear rotates when the at least one vertical gear moves in the upward direction and when the at least one vertical gear moves in the downward direction;
a shaft connected to the at least one circular gear such that the shaft rotates when the at least one circular gear rotates;
a dynamo attached to the shaft such that the rotation of the shaft is transmitted to the dynamo for power generation; and
a hinge coupled to the tank and to the at least one vertical gear, the hinge adjustable to (i) a locked position in which the hinge prevents pivoting motion of the tank and (ii) an unlocked position in which the hinge permits pivoting motion of the tank.

### Claim 2 (depends on 1)

The system of claim 1, further comprising:
a floor cavity in a bottom of the tank;
wherein the floor cavity is configured to open and allow water to fill or empty from the tank; and
the floor cavity is configured to close and retain water in the tank.

### Claim 3 (depends on 1)

The system of claim 1, further comprising:
a first set of parallel sliding tracks positioned on top of and perpendicular to a second set of parallel sliding tracks;
the first parallel sliding tracks configured to permit the motion of the tank in a first horizontal direction;
the second set of parallel sliding tracks configured to permit the motion of the tank in a second horizontal direction.

### Claim 4 (depends on 1)

The system of claim 1, wherein:
the hinge includes a ball joint and a lock;
the lock is not positively engaged and permits the tank to pivot about the ball joint when the hinge is in the unlocked position; and
the lock is positively engaged and prohibits the tank from pivoting about the ball joint when the hinge is in all the locked position.

### Claim 5 (depends on 4)

The system of claim 4, wherein:
the hinge further includes an upper hinge portion and a lower hinge portion;
when the hinge is in the unlocked position, the lock is not positively engaged with at least one of the upper hinge portion and the lower hinge portion such that the tank is pivotable about the ball joint; and
when the hinge is in the locked position, the lock is positively engaged with the upper hinge portion and the lower hinge portion simultaneously and prevents the tank from pivoting about the ball joint.

### Claim 6 (depends on 5)

The system of claim 5, wherein:
a gap is defined by and between the upper hinge portion and the lower hinge portion;
the lock includes a buoyant material such that the lock floats on the tidal water;
when a level of the tidal water is above the lower hinge portion, the lock is raised in line with the upper hinge portion via the tidal water such that the lock does not extend across the gap and positively engage the lower hinge portion; and
when the level of the tidal water is below the gap, the lock is dropped in line with the lower hinge portion via the tidal water such that the lock extends across the gap and positively engages the upper hinge portion and the lower hinge portion simultaneously.

### Claim 7 (depends on 6)

The system of claim 6, wherein:
the tank includes a floor cavity through which water is flowable, the floor cavity (i) closable to prevent the tidal water from entering the tank or to retain a portion of the tidal water and (ii) openable to allow the tidal water to enter the tank or to empty the retained tidal water from the tank;
in a first portion of operation, the level of the tidal water is above the lower hinge portion and the tide is rising, the hinge is in the unlocked position, the floor cavity is closed, and the tank and the at least one vertical gear area rising with the tide relative to the at least one circular gear;
in a second portion of operation, the level of the tidal water is above the lower hinge portion and the tide is rising, the hinge is in the unlocked position, the floor cavity is open, and the tank and the at least one vertical gear area at a high point relative to the at least one circular gear;
in a third portion of operation, the level of the tidal water is below the gap, the hinge is in the locked position, the floor cavity is closed, and the tank and the at least one vertical gear area descending relative to the at least one circular gear; and
in a fourth portion of operation, the level of the tidal water is above the lower hinge portion, the hinge is in the unlocked position, the floor cavity is open, and the tank and the vertical gear area at a low point relative to the at least one circular gear.

### Claim 8 (depends on 3)

The system of claim 3, wherein the motion of the tank in the first horizontal direction and the motion of the tank in the second horizontal direction is transmitted for power generation.

### Claim 9 (depends on 1)

The system of claim 1, further comprising a solar panel arranged on a top surface of the tank, wherein the solar panel is configured to generate power separately from the dynamo.

### Claim 10

A method of generating power from tidal energy, comprising:
moving a tank in an upward direction and in a downward direction, the tank coupled to at least one vertical gear, the at least one vertical gear configured to travel with the tank, the tank travel based on a vertical motion of a tide of a tidal water;
selectively permitting pivoting motion of the tank relative to the at least one vertical gear via adjusting a position of a hinge coupled to the tank and to the at least one vertical gear;
rotating at least one circular gear via the at least one vertical gear, the at least one circular gear connected to the at least one vertical gear such that movement of the at least one vertical gear in at least one of the upward direction and the downward direction rotates the at least one circular gear;
spinning at least one shaft via rotating the at least one circular gear, the at least one shaft connected to the at least one circular gear such that rotation of the at least one circular gear spins the at least one shaft; and
transferring rotation of the at least one shaft to a dynamo, the dynamo configured to generate power from rotational movement of the at least one shaft;
wherein adjusting the position of the hinge includes:
adjusting the hinge to an unlocked position in which pivoting motion of the tank relative to the at least one vertical gear is permitted; and
adjusting the hinge to a locked position in which pivoting motion of the tank relative to the at least one vertical gear is prevented.

### Claim 11 (depends on 10)

The method of claim 10, further comprising operating a floor cavity of the tank based on a vertical position of the tank, wherein operating the floor cavity of the tank based on the vertical position of the tank includes:
opening the floor cavity when the tank reaches a peak height of the tide;
closing the floor cavity once the tank is full of the tidal water;
opening the floor cavity when the tank reaches a low height of the tide; and
closing the floor cavity once the tank is empty of the tidal water.

### Claim 12 (depends on 10)

The method of claim 10, wherein:
the hinge includes a ball joint, a lock, an upper hinge portion, and a lower hinge portion;
adjusting the hinge to the locked position includes positively engaging the lock with the upper hinge portion and the lower hinge portion simultaneously to prevent the tank from pivoting about the ball joint; and
adjusting the hinge to the unlocked position includes positively engaging the lock with only one of the upper hinge portion and the lower hinge portion to permit the tank to pivot about the ball joint.

### Claim 13 (depends on 10)

The method of claim 10, wherein:
the tank is connected to a first set of parallel tracks and to a second set of parallel tracks, the first set of tracks arranged on top of and extending perpendicular to the second set of tracks such that the first set of tracks permit the tank to slide in a first horizontal direction and the second set of tracks permit the tank to slide in a second horizontal direction; and
the method further comprises generating power from the tank sliding in the first horizontal direction and from the tanking sliding in the second horizontal direction.

### Claim 14 (depends on 10)

The method of claim 10, further comprising:
raising the tank and lowering the tank with the motion of waves, such that power is generated with vertical movement of the tank from the waves simultaneously with the vertical movement of the tank from the tide.

### Claim 15 (depends on 10)

The method of claim 10, further comprising:
raising the tank to a peak height of the tide during a first half of a single operational cycle, the tank configured to rise with the tide; and
descending the tank to a low height of the tide during a second half of a single operational cycle, the tank configured to descend at a rate slower than the tide.

### Claim 16 (depends on 15)

The method of claim 15, wherein:
the tank includes a floor cavity through which water is flowable and a valve via which the floor cavity is (i) closable to prevent the tidal water from entering the tank or to retain a portion of the tidal water and (ii) openable to allow the tidal water to enter the tank or to empty the retained tidal water from the tank; and
the method further comprises:
when the tank reaches the peak height of the tide, actuating the valve to open the floor cavity and allowing the tidal water to flow into the tank through the floor cavity and fill the tank; and
when the tank reaches the low height of the tide, actuating the valve to open the floor cavity and emptying the retained tidal water from the tank via the floor cavity.

### Claim 17 (depends on 12)

The method of claim 12, wherein:
the lock includes a buoyant material such that the lock floats on the tidal water;
a gap is defined by and between the upper hinge portion and the lower hinge portion;
positively engaging the lock with the upper hinge portion and the lower hinge portion simultaneously includes dropping the lock in line with the lower hinge portion such that the lock extends across the gap and positively engages the lower hinge portion;
dropping the lock in line with the lower hinge portion includes floating the lock on the tidal water as a level of the tidal water falls relative to the hinge such that the tidal water drops the lock into positive engagement with the lower hinge portion; and
the lock is positively engaged with the upper hinge portion and the lower hinge portion simultaneously when the level of the tidal water is below the gap.

### Claim 18 (depends on 12)

The method of claim 12, wherein:
the lock includes a buoyant material such that the lock floats on the tidal water;
a gap is defined by and between the upper hinge portion and the lower hinge portion;
positively engaging the lock with only one of the upper hinge portion and the lower hinge portion includes raising the lock in line with the upper hinge portion such that the lock does not extend across the gap and positively engage the lower hinge portion;
raising the lock in line with the upper hinge portion includes floating the lock on the tidal water as a level of the tidal water rises relative to the hinge such that the tidal water moves the lock away from the lower hinge portion;
the lock does not positively engage the lower hinge portion when the level of the tidal water is above the lower hinge portion; and
the hinge is in the unlocked position when the tank is floating and rising with the tide.

### Claim 19 (depends on 15)

The method of claim 15, further comprising, prior to descending the tank to the low height of the tide, maintaining the tank at the peak height of the tide as the tide recedes.

### Claim 20 (depends on 19)

The method of claim 19, wherein maintaining the tank at the peak height of the tide as the tide recedes includes suspending the tank above the tide water as the tide recedes.