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:
Dec. 09, 2014
Filed:
Aug. 03, 2012
John Douglas Fortier, Ransomville, NY (US);
Lawrence Charles Grumer, Rochester, NY (US);
John Douglas Fortier, Ransomville, NY (US);
Lawrence Charles Grumer, Rochester, NY (US);
Energy Harvesters LLC, Rochester, NY (US);
Abstract
An apparatus and a method are provided for obtaining electrical power from activities, e.g., walking and running, of a user. In one example, the apparatus includes first and second compressible bladders; a fluid containing column coupled between the first and second compressible bladders; a magnetic piston disposed in the fluid containing column, the magnetic piston being shaped to conform with an internal cross section of the cylinder and movable in the cylinder along a longitudinal direction of the cylinder, wherein the magnetic piston comprises a plurality of magnets with similar poles facing each other and separated by one or more pole pieces, the magnets being axially magnetized along the longitudinal direction; one or more wire windings disposed proximate the magnetic piston; and an electric charge storage electrically coupled to said one or more wire windings.