Patent ID: 9366239
Filing Date: 2016-06-14
CPC Classification: F03G,H02K

Claim Text:
1. A vehicle energy harvester comprising: a subunit having an upper surface forming a roadway surface; a vehicle activated treadle on the subunit, the vehicle activated treadle moveable between a first position in which an upper surface of the treadle is at an angle with respect to the upper surface of the roadway surface and a second position in which the upper surface of the treadle is flush with the upper surface of the roadway surface; a treadle gear coupled to the vehicle activated treadle; a rotatable shaft below the roadway surface; a drive gear mounted on the rotatable shaft, the drive gear being driven by the treadle gear during movement of the vehicle activated treadle; a flywheel; a torsion spring coupled between the rotatable shaft and the flywheel; a generator that generates power in response to movement of the flywheel; and a treadle locking device configured to selectively lock the vehicle activated treadle in the second position in response to a signal received from a sensor.