# US 11,028,830 B2 · Multimodal renewable energy generation system

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,028,830 B2
- Document ID: US11028830B2
- Status: Granted
- Kind: B2
- Application number: 16/929,555
- Filed: 2020-07-15
- Published: 2021-01-21
- Granted: 2021-06-08
- Earliest claimed: 2019-07-18
- Assignees: Perumala Holdings, LLC
- Applicants: Madhavan Pisharodi
- Inventors: Madhavan Pisharodi
- Web page: https://patentgrep.com/patent/US11028830B2

## CPC

- B60K 25/08: from a ground wheel, e.g. engaging the wheel tread or rim
- F03D 9/007: {the wind motor being combined with means for converting solar radiation into useful energy}
- B60K 17/22: characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
- F03D 9/008: {the wind motor being combined with water energy converters, e.g. a water turbine}
- F03D 9/25: the apparatus being an electrical generator (F03D9/22 takes precedence)
- F03D 9/32: on moving objects, e.g. vehicles
- F03D 13/25: specially adapted for offshore installation
- H02K 7/003: {Couplings; Details of shafts (means for mounting rotors on shafts H02K1/28)}
- H02K 7/116: with gears
- H02K 7/183: {wherein the turbine is a wind turbine (adaptation of a wind turbine to an electric generator F03D9/25)}
- H02K 7/1846: {structurally associated with wheels or associated parts (dynamos arranged in the wheel hub of cycles B62J6/12)}
- H02S 10/12: Hybrid wind-PV energy systems
- H02S 10/20: Systems characterised by their energy storage means (H02S40/38 takes precedence)
- H02S 10/40: Mobile PV generator systems
- H02S 20/30: Supporting structures being movable or adjustable, e.g. for angle adjustment
- H10F 19/00: Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F 19/80: Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
- H10F 77/147: {Shapes of bodies}
- H10F 77/488: {Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection}
- B60K 16/00: Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind (electric propulsion with power supply from forces of nature, e.g. sun or wind, B60L8/00; wind motors specially adapted for installation on vehicles F03D9/32)
- B60K 2016/003: {solar power driven}
- B60K 2016/006: {wind power driven}
- Y02E 10/30: Energy from the sea, e.g. using wave energy or salinity gradient
- Y02E 10/52: PV systems with concentrators
- Y02E 10/727: Offshore wind turbines
- Y02E 10/728: Onshore wind turbines
- Y02T 10/72: Electric energy management in electromobility
- Y02T 10/90: Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- F03D: WIND MOTORS
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})
- H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00)
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

A multimodal renewable energy generation system for generating electric power from more than one renewable energy source is disclosed herein. The system includes two or more spinner units configured on a vertical pillar. The spinner units are configured for rotation under influence of a stream of a corresponding fluid. A set of electric power generators is operatively coupled to each of the two or more spinner units to generate electric power when the corresponding spinner unit rotates. At least one of the two or more spinner units is configured close to a base portion of the pillar to harness power from sea waves and remaining of the two or more spinner units are configured with an upper portion of the pillar for harnessing power from wind. The spinner units are configured for rotation in a horizontal plane even at less powerful winds or water streams.

## Claims

### Claim 1

A multimodal renewable energy generation system for generating electric power from more than one renewable energy sources, the system comprising:
two or more spinner units configured on a vertical pillar, each of the two or more spinner units configured for rotation under influence of a stream of one of at least two corresponding fluids; and
a set of electric power generators operatively coupled to each of the two or more spinner units to generate electric power when the corresponding spinner unit rotates;
wherein at least one of the two or more spinner units is configured close to a base portion of the pillar, and a first corresponding fluid is water; and
wherein the remaining of the two or more spinner units are configured with an upper portion of the pillar, and a second corresponding fluid is air,
wherein or more sets of gears comprises a main gear coupled to a corresponding spinner unit and a plurality of pinion gears in engagement with the main gear around a periphery of the main gear,
wherein each of the plurality of pinion gears is mounted on a housing for free rotation, and coupled to an electric power generator of the corresponding set of electric power generators, and
wherein each of the plurality of pinion gears is coupled to a rotor of the corresponding electric power generator with a corresponding stator of the electric power generator being fixed to the housing.

### Claim 2 (depends on 1)

The system according to claim 1, wherein each of the two or more spinner units comprises a plurality of blades that are cup shaped such that force exerted by the stream of the corresponding fluid on concave side of the blades is more than the force exerted by the same stream on a convex side of the blades to make the spinner unit rotate in a preferred direction.

### Claim 3 (depends on 1)

The system according to claim 1, wherein each of the two or more spinner units is mounted on the pillar through a set of bearings, and wherein the set of bearings is arranged between the pillar and the spinner unit in a stacked configuration, or a concentric configuration, or a combination of stacked and concentric configuration.

### Claim 4 (depends on 1)

The system according to claim 1, wherein the system further comprises each of the two or more sets of gears provided between one spinner unit out of the two or more spinner units and the corresponding set of electric power generators to operatively couple the spinner units and the corresponding set of electric power generators, where the power generators are located below the spinner unit.

### Claim 5 (depends on 1)

The system according to claim 1, wherein the system further comprises each of the two or more sets of gears provided between one spinner unit out of the two or more spinner units and the corresponding set of electric power generators to operatively couple the spinner units and the corresponding set of electric power generators, where the power generators are located above the spinner unit.

### Claim 6 (depends on 1)

The system according to claim 1, wherein the system further comprises two or more housings, each of the two or more housings located on the pillar below the spinner unit to accommodate the corresponding set of electric power generators.

### Claim 7 (depends on 6)

The system according to claim 6, wherein a lowermost of the two or more housings is located above the spinner unit.

### Claim 8 (depends on 1)

The system according to claim 1, wherein the system comprises a plurality of pillars located adjacent to each other to form an array of pillars.

### Claim 9 (depends on 8)

The system according to claim 8, wherein at least one of the plurality of pillars is located on a sea shore to tap the renewable energy from waves of sea water.

### Claim 10 (depends on 9)

The system according to claim 9, wherein the system comprises at least one sea wave governor chamber for directing water from sea waves to the corresponding spinner unit located near the base portion of the at least one pillar to facilitate a smoother and substantially continuous water flow.

### Claim 11 (depends on 10)

The system according to claim 10, wherein the at least one sea wave governor chamber comprises an outlet door, the outlet door comprising a plurality of vertically oriented slits with progressively reducing slope to direct water from sea waves to a desired location on the spinner unit such that the blades are turned in only one direction.

### Claim 12 (depends on 11)

The system according to claim 11, wherein the outlet door is pivoted along an upper side for movement between an open position and a closed position, and wherein the pivoted outlet door is biased by a tension rope towards the closed position.

### Claim 13 (depends on 11)

The system according to claim 11, wherein the at least one sea wave governor chamber comprises a horizontally oriented awning like plate fixed to the outlet door along an upper side of the outlet door.

### Claim 14 (depends on 10)

The system according to claim 10, wherein the at least one sea wave governor chamber comprises an inlet door that opens to allow sea water to enter the at least one sea wave governor chamber under influence of the sea waves, and closes to prevent the sea water from going back when the sea waves recede.

### Claim 15 (depends on 10)

The system according to claim 10, wherein the at least one sea wave governor chamber comprises a duct on an outlet side to direct water from sea waves to a desired location on the spinner unit, to make the spinner unit turn in one direction only.

### Claim 16 (depends on 1)

The system according to claim 1, wherein the system comprises a long governor chamber for directing water from sea waves to a plurality of aquatic spinners.

### Claim 17

A multimodal renewable energy generation system for generating electric power from more than one renewable energy sources, the system comprising:
two or more spinner units configured on a vertical pillar, each of the two or more spinner units configured for rotation under influence of a stream of at least two corresponding fluids; and
a set of electric power generators operatively coupled to each of the two or more spinner units to generate electric power when the corresponding spinner unit rotates;
wherein at least one of the two or more spinner units is configured close to a base portion of the pillar, and a first corresponding fluid is water,
wherein the remaining of the two or more spinner units are configured with an upper portion of the pillar, and a second corresponding fluid is air,
wherein the system comprises a plurality of pillars located adjacent to each other to form an array of pillars,
wherein at least one of the plurality of pillars is located on a sea shore to tap the renewable energy from waves of sea water, and
wherein the system comprises at least one sea wave governor chamber for directing water from sea waves to the corresponding spinner unit located near the base portion of the at least one pillar to facilitate a smoother and substantially continuous water flow, and
wherein the at least one sea wave governor chamber comprises an outlet door, the outlet door comprising a plurality of vertically oriented slits with progressively reducing slope to direct water from sea waves to a desired location on the spinner unit such that the blades are turned in only one direction.

### Claim 18 (depends on 17)

The system according to claim 17, wherein the two or more spinner units are configured for rotation in a horizontal plane about an axis coinciding with a longitudinal axis of the vertical pillar.

### Claim 19 (depends on 18)

The system according to claim 18, wherein each of the two or more spinner units comprises a plurality of blades that are cup shaped such that force exerted by the stream of the corresponding fluid on a concave side of the blades is more than the force exerted by the same stream on a convex side of the blades to make the spinner unit rotate in a preferred direction.

### Claim 20 (depends on 18)

The system according to claim 18, wherein each of the two or more spinner units is mounted on the pillar through a set of bearings, and wherein the set of bearings is arranged between the pillar and the spinner unit in a stacked configuration, or a concentric configuration, or a combination of stacked and concentric configuration.

### Claim 21 (depends on 17)

The system according to claim 17, wherein the system further comprises two or more sets of gears, each of the two or more sets of gears provided between one spinner unit out of the two or more spinner units and the corresponding set of electric power generators to operatively couple the spinner units and the corresponding set of electric power generators, where the power generators are located below the spinner unit.

### Claim 22 (depends on 17)

The system according to claim 17, wherein the system further comprises two or more sets of gears, each of the two or more sets of gears provided between one spinner unit out of the two or more spinner units and the corresponding set of electric power generators to operatively couple the spinner units and the corresponding set of electric power generators, where the power generators are located above the spinner unit.

### Claim 23 (depends on 17)

The system according to claim 17, wherein each of the two or more sets of gears comprises a main gear coupled to a corresponding spinner unit and a plurality of pinion gears in engagement with the main gear around a periphery of the main gear.

### Claim 24 (depends on 23)

The system according to claim 23, wherein the system further comprises two or more housings, each of the two or more housings located on the pillar below the spinner unit to accommodate the corresponding set of electric power generators.

### Claim 25 (depends on 23)

The system according to claim 23, wherein the system further comprises two or more housings, of the two or more housings is located above the spinner unit.

### Claim 26 (depends on 23)

The system according to claim 23, wherein each of the plurality of pinion gears is mounted on a housing for free rotation, and coupled to an electric power generator of the corresponding set of electric power generators.

### Claim 27 (depends on 26)

The system according to claim 26, wherein each of the plurality of pinion gears is coupled to a rotor of the corresponding electric power generator with a corresponding stator of the electric power generator being fixed to the housing.

### Claim 28 (depends on 17)

The system according to claim 17, wherein the outlet door is pivoted along an upper side for movement between an open position and a closed position, and wherein the pivoted outlet door is biased by a tension rope towards the closed position.

### Claim 29 (depends on 17)

The system according to claim 17, wherein the at least one sea wave governor chamber comprises a horizontally oriented awning like plate fixed to the outlet door along an upper side of the outlet door.

### Claim 30 (depends on 17)

The system according to claim 17, wherein the at least one sea wave governor chamber comprises an inlet door that opens to allow sea water to enter the at least one sea wave governor chamber under influence of the sea waves, and closes to prevent the sea water from going back when the sea waves recede.

### Claim 31 (depends on 17)

The system according to claim 17, wherein the at least one sea wave governor chamber comprises a duct on an outlet side to direct water from sea waves to a desired location on the spinner unit, to make the spinner unit turn in one direction only.