flywheel energy storage patent

OXTO Energy: A New Generation of Flywheel Energy Storage

The flywheel size (4-foot/1.2m diameter) is perfectly optimized to fit a cluster of 10 units inside a 20-foot container. Cables run from each flywheel unit to the associated power electronics rack. Power Electronics racks are stored in an electrical cabinet. A DC bus of 585-715V links the units (650V nominal).

Large scale flywheel for energy storage

In US 8134264 "Large capacity hollow-type flywheel energy storage device" the objective is to reduce the friction by a hollow shaft disposed in a vacuum chamber to be rotatable together with the flywheel. Patent CN 201543648 "Energy storage large flywheel

US Patent Application for Flywheel Energy Storage Device Patent Application (Application #20230258244 issued August 17, 2023)

An example flywheel energy storage device includes a fiber-resin composite shell having an elliptical ovoid shape. The example device also includes an axially oriented internal compressive support between the axial walls of the shell. The example device also ...

Shaft-less energy storage flywheel

In certain embodiments, the shaft-less energy storage flywheel system includes a magnetic bearing assembly disposed directly adjacent an axial face of the flywheel. The magnetic bearing assembly controls positioning and alignment of the flywheel without physically contacting the flywheel during normal operation.

US Patent for Flywheel energy storage device with a hubless ring-shaped rotor Patent (Patent

FIG. 2 is a schematic isometric view of one embodiment of a flywheel based energy storage apparatus 200. The flywheel based energy storage apparatus 200 includes a housing 201. The housing 201 has a base 202 …

Energies | Free Full-Text | Flywheel Energy Storage for Automotive Applications …

A review of flywheel energy storage technology was made, with a special focus on the progress in automotive applications. We found that there are at least 26 university research groups and 27 companies contributing to flywheel technology development. Flywheels are seen to excel in high-power applications, placing them …

Flywheel Systems for Utility Scale Energy Storage

Flywheel Systems for Utility Scale Energy Storage is the final report for the Flywheel Energy Storage System project (contract number EPC-15-016) conducted by Amber Kinetics, Inc. The information from this project contributes to Energy Research andProgram.

CN106571715A

The flywheel energy storage system has the advantages of simple structure, space conservation, good energy storage performance and the like. Meanwhile, the influence of the gyroscopic effect on a device/system provided with the above flywheels can be effectively overcome.

Enel to assess Amber Kinetics'' flywheel energy storage technology …

Flywheel energy storage technology developer Amber Kinetics Inc and Enel SpA (BIT:ENEL) have agreed to jointly assess Amber Kinetics'' technology, the companies said in separate statements on Thursday. The US start-up and the Italian utility have signed a two-year agreement, under which they will also look into the potential …

Flywheel/battery hybrid energy storage and power management system

US10112491B2 2018-10-30 Flywheel/battery hybrid energy storage and power management system. Hayes et al. 2014 Simplified electric vehicle powertrain model for range and energy consumption based on EPA coast-down parameters and test validation by Argonne National Lab data on the Nissan Leaf.

Flywheel energy storage systems: A critical review on technologies, applications, and future prospects …

At present, demands are higher for an eco-friendly, cost-effective, reliable, and durable ESSs. 21, 22 FESS can fulfill the demands under high energy and power density, higher efficiency, and rapid response. 23 Advancement in its materials, power electronics, and bearings have developed the technology of FESS to compete with other …

The Status and Future of Flywheel Energy Storage

Electric Flywheel Basics. The core element of a flywheel consists of a rotating mass, typically axisymmetric, which stores rotary kinetic energy E according to (Equation 1) E = 1 2 I ω 2 [ J], where E is the stored kinetic energy, I is the flywheel moment of inertia [kgm 2 ], and ω is the angular speed [rad/s].

A review of flywheel energy storage systems: state of the art and …

A FESS consists of several key components: (1) A rotor/flywheel for storing the kinetic energy. (2) A bearing system to support the rotor/flywheel. (3) A power converter system for charge and discharge, including an electric machine and power electronics. (4) Other auxiliary components.

Speed control for a flywheel energy storage system

This invention pertains to flywheel energy storage systems and more particularly to a speed control method that provides for rapid charging, safe, reliable and accurate speed control and has a low cost construction. BACKGROUND OF THE INVENTION. Flywheels have been used for many years as energy storage devices.

US20110298293A1

Abstract. An energy storage system comprises a housing and a flywheel having a drive shaft portion attached to a cylindrical ferromagnetic rotor portion. The drive shaft portion defines a substantially vertical axis about which the rotor portion is mounted for rotation. A magnetic bearing assembly comprised of an annular permanent magnet having ...

US Patent for High-voltage flywheel energy storage system Patent (Patent # 9,083,207 issued July 14, 2015)

Justia Patents Impregnated Or Coated US Patent for High-voltage flywheel energy storage system Patent (Patent # 9,083,207) High-voltage flywheel energy storage system Jan 10, 2014 - Temporal Power Ltd.

The Next Frontier in Energy Storage | Amber Kinetics, Inc

A Revolution in Energy Storage. As the only global provider of long-duration flywheel energy storage, Amber Kinetics extends the duration and efficiency of flywheels from minutes to hours-resulting in safe, economical and reliable energy storage. Amber Kinetics is committed to providing the most-advanced flywheel technology, backed by the ...

Energy Storage Solutions for EV Charging | Chakratec

SUSTAINABLE. By incorporating patent-pending flywheel innovations in its structure, materials and system architecture, Chakratec''s EV charging solutions help you support the operation and optimization of EV charging networks. Flywheel-driven energy storage solutions, which store rotational energy and are recharged using the speed of the motor ...

US20110114406A1

A flywheel energy storage system for a vehicle, comprising a first shaft, a second shaft operatively coupled to the first shaft and to the vehicle''s drivetrain, a flywheel operatively coupled to the first shaft, and a motor operatively coupled to the first shaft and electrically ...

US6897587B1

An optimized flywheel energy storage system utilizing magnetic bearings, a high speed permanent magnet motor/generator, and a flywheel member. The flywheel system is constructed using a high strength steel wheel for kinetic energy storage, high efficiency magnetic bearings configured with dual thrust acting permanent magnet combination …

Spherical flywheel energy storage system

Abstract. A spherical flywheel is described and specified that stores rotational energy more efficiently than cylindrical flywheels. The spherical flywheel is composed of multiple layers of material with the densest material at the surface. The flywheel surface is dimpled with a pattern similar to golf ball surfaces, to minimize aerodynamic drag.

Więcej artykułów

Energia Akumulowana

Aplikacje Przemysłowe

Ochrona Środowiska

Innowacje i Badania

Wsparcie Biznesu

Prawa autorskie; 2024. Wszelkie prawa zastrzeżonemapa serwisu