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Assignee: Beacon Power Corporation


Location: Wilmington, MA
No. of patents: 10

NumberTitleIssue Date
7174806Flexible bearing damping system, energy storage system using such a system, and a method related thereto
A bearing damping system for damping vibrations and conducting heat from vibration-producing, heat-generating devices, an evacuated energy storage system including such a bearing damping system for damping vibrations produced by the rotating shaft and conducting hea...
02/13/2007
7034420Crash management system for implementation in flywheel systems
A crash management system for implementation in a flywheel energy storage system (FESS) is provided. Implementation of such a system entails designing an FESS rim that is highly failure resistant, and designing the FESS such that if one, some, or even all of its com...
04/25/2006
6959756Device for cooling a bearing; flywheel energy storage system using such a bearing cooling device and methods related thereto
Featured is a heat transferring device being configured and arranged so that at least some of the heat energy being generated by a heat producing device, such as the a bearing assembly of a flywheel energy storage system, is communicated directly from the locus of t...
11/01/2005
6884039Flywheel system with parallel pumping arrangement
A flywheel energy storage system, including a plurality of pumps arranged in parallel for simultaneously drawing-off and absorbing substantially all of the gases that evolve from a flywheel assembly during high-speed operation, is disclosed. The plurality of pumps i...
04/26/2005
6852401Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same
A composite-based rim and methods for manufacturing such a rim are provided. The rim includes multiple fiber-based, co-mingled layers, wherein the strength and/or stiffness of the layers increases from the innermost layer of the rim to the outermost layer of the rim...
02/08/2005
6824861Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same
A composite-based rim and methods for manufacturing such a rim are provided. The rim includes multiple fiber-based, co-mingled layers, wherein the strength and/or stiffness of the layers increases from the innermost layer of the rim to the outermost layer of the rim...
11/30/2004
6747378Dual stiffness bearing damping system
In one aspect of the present invention discloses a dual-stiffness damping system for an evacuated energy storage system, the damping system comprising one or more flexible dampers and a plurality of more rigid bumpers, and a method of damping an evacuated energy sto...
06/08/2004
6741007Permanent magnet motor assembly having a device and method of reducing parasitic losses
A permanent magnet motor assembly for use in a flywheel is disclosed, including a rotor, a stator, and a coil positioned in the stator. One or more magnets is attached to the rotor such that magnetic field lines are directed radially toward the coil for generating t...
05/25/2004
6675872Heat energy dissipation device for a flywheel energy storage system (FESS), an FESS with such a dissipation device and methods for dissipating heat energy
Featured are a device, system and method for dissipating at least some heat energy generated by one or more heat generating components of a flywheel energy storage system (FESS). The method includes providing a heat pipe member, having first and second en...
01/13/2004
6614132Multiple flywheel energy storage system
An electrical energy storage system for supplying power to a load comprises a plurality of flywheel energy storage systems, each supplying a power output signal, and a connector circuit. The connector circuit connects the flywheel energy storage systems t...
09/02/2003
 
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