The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2005
Filed:
Dec. 30, 2002
Nathan G. Woodard, Pasedena, CA (US);
Jeremiah I. Rathbun, Peabody, MA (US);
Paul E. Dresens, Wayland, MA (US);
Nathan G. Woodard, Pasedena, CA (US);
Jeremiah I. Rathbun, Peabody, MA (US);
Paul E. Dresens, Wayland, MA (US);
Beacon Power Corporation, Wilmington, MA (US);
Abstract
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 includes at least one pump for pumping mainly water vapor; and, at least one pump for pumping mainly active gases. The at least one pump for pumping mainly water vapor plurality of pumps is disposed in a gas storage chamber that is separate from the main housing of the flywheel system. The at least one pump for pumping mainly active gases is disposed in a container external to the main housing and fluidly coupled to the gas storage chamber. A drag pump assists the plurality of pumps in the gas storage chamber by pumping the evolved gases from the main housing to the gas storage chamber.