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US 7,199,480 B2Granted
Vibration based power generator
AssigneeHalliburton Energy Services, Inc.
InventorsMichael L. Fripp, Robert K. Michael
Life of this patent
Estimating the term…
Abstract
A vibration based power generator. In a described embodiment, an electrical power generating system includes a vibrating assembly which vibrates in response to fluid flow across the vibrating assembly. A generator generates electrical power in response to displacement of the vibrating assembly.
Claims49
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the vibrating assembly includes a lift reversal device which produces alternating lift coefficients in the vibrating assembly in response to the fluid flow across the vibrating assembly, the lift coefficients alternating as an angle of attack of the fluid flow across the vibrating assembly increases.
1 more element
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes a magnet and coil, and wherein relative rotation between the magnet and coil is produced in response to displacement of the vibrating assembly,
- wherein the magnet and coil are contained within a housing, and
- wherein the housing isolates the magnet and coil from the fluid flow.
3 more elements
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes first and second magnets, and a coil, wherein relative displacement between the first magnet and the coil is produced in response to displacement of the vibrating assembly, and wherein magnetic fields produced by the first and second magnets bias against relative displacement between the first and second magnets.
1 more element
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes a housing which is displaced in response to displacement of the vibrating assembly, wherein the housing contains a first magnet and a coil, and wherein relative displacement between the first magnet and coil produces electricity in the coil in response to displacement of the housing.
1 more element
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes a magnet which is displaced relative to a ferromagnetic core, thereby producing electricity in a coil in response to displacement of the vibrating assembly.
1 more element
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes a magnet and coil, wherein relative displacement between the magnet and coil produces electricity in the coil in response to displacement of the vibrating assembly, and wherein displacement of the vibrating assembly in response to the fluid flow is initiated by applying an electric potential to the coil.
1 more element
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes an electromagnetically active material, strain being produced in the electromagnetically active material in response to displacement of the vibrating assembly, and
- wherein the vibrating assembly displacement is transmitted to the electromagnetically active material across a membrane isolating the material from the fluid flow.
2 more elements
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes an electromagnetically active material, strain being produced in the electromagnetically active material in response to displacement of the vibrating assembly, and
- wherein displacement of the vibrating assembly in response to the fluid flow is initiated by applying an electric potential to the electromagnetically active material.
2 more elements
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes an electromagnetically active material, strain being produced in the electromagnetically active material in response to displacement of the vibrating assembly, and
- wherein displacement of the vibrating assembly in response to the fluid flow is initiated by applying a magnetic field to the electromagnetically active material.
2 more elements
An electrical power generating system, comprising:
- a vibrating assembly which displaces in response to fluid flow across the vibrating assembly in a wellbore of a subterranean well;
- and
- a generator which generates electrical power in response to displacement of the vibrating assembly,
- wherein the generator includes an electromagnetically active material, strain being produced in the electromagnetically active material in response to displacement of the vibrating assembly, and
- wherein displacement of the vibrating assembly in response to the fluid flow is initiated by producing strain in the electromagnetically active material, the displacement of the vibrating assembly being initiated in response to producing strain in the electromagnetically active material.
2 more elements
Dependencies are inferred from the claim text.