Helmet mounted lighting device

Abstract

Disclosed herein is a light assembly add-on for a helmet comprising a housing having a curved bottom side having a surface sized and shaped to be in a tight physical connection with a helmet's top surface and an elongated air inlet formed in a front side of the housing such that an opening of the air inlet is perpendicular to a heading direction of the helmet. The housing includes one or more electric generators, one or more rotors comprising a shaft coupled to the electric generator(s) and a plurality of blades each having a longitudinal end connected along the shaft, and one or more light emitting devices electrically connected to the electric generator(s).

What is claimed is: 
     
         1 . A light assembly add-on for a helmet, comprising:
 a housing having a curved bottom side having a surface sized and shaped to be in a tight physical connection with a top surface of a helmet, an elongated air inlet is formed in a front side of the housing such that an opening of the air inlet is perpendicular to a heading direction of the helmet, the housing comprising:
 at least one electric generator; 
 at least one rotor disposed horizontally behind the air inlet, the at least one rotor having a shaft coupled to the at least one electric generator and a plurality of blades each having a longitudinal end connected along the shaft, a longitudinal axis of the shaft is parallel to the opening such that wind deflected by the air inlet is perpendicular to the longitudinal end of the plurality of blades; and 
 at least one light emitting device electrically connected to the at least one electric generator. 
   
     
     
         2 . The light assembly of  claim 1 , wherein the housing further comprises at least one air outlet shaped to discharge the wind from the housing. 
     
     
         3 . The light assembly of  claim 1 , further comprising the air inlet is configured to comprise a Venturi pipe adapted to increase pressure of the deflected wind. 
     
     
         4 . The light assembly of  claim 1 , further comprising the plurality of blades are configured to have a curved, concaved, and/or twisted surface. 
     
     
         5 . The light assembly of  claim 1 , further comprising at least one regulation circuit disposed to electrically connect the at least one electric generator to the at least one light emitting device to stabilize an electrical current generated by the at least one electric generator and driven to the at least one light emitting device. 
     
     
         6 . The light assembly of  claim 1 , further comprising at least one capacitor configured to store electric energy generated by the at least one electric generator, the at least one capacitor is electrically connected to the at least one light emitting device. 
     
     
         7 . The light assembly of  claim 1 , further comprising at least one rechargeable battery electrically connected to the at least one light emitting device, the at least one rechargeable battery is chargeable using electric energy generated by the at least one electric generator. 
     
     
         8 . The light assembly of  claim 7 , further comprising at least one input power connector disposed in the housing and electrically connected to the at least one rechargeable battery for charging the at least one rechargeable battery from at least one external power source. 
     
     
         9 . The light assembly of  claim 1 , further comprising the at least one light emitting device is operated according to at least one motion parameter of a vehicle on which a user wearing the helmet is riding. 
     
     
         10 . The light assembly of  claim 9 , wherein the at least one motion parameter is captured by at least one motion sensor disposed in the housing. 
     
     
         11 . The light assembly of  claim 9 , wherein the at least one motion parameter is received from at least one external device communicatively coupled to at least one controller disposed in the housing. 
     
     
         12 . The light assembly of  claim 1 , further comprising the at least one light emitting device is operated according to proximity of at least one another vehicle to a vehicle on which a user wearing the helmet is riding. 
     
     
         13 . The light assembly of  claim 12 , wherein the proximity is measured by at least one proximity sensor disposed in the housing. 
     
     
         14 . The light assembly of  claim 1 , further comprising at least one screen disposed in the housing, the at least one screen is operated to display at least one message according to at least one motion parameter and/or proximity to of at least one another vehicle to a vehicle on which a user wearing the helmet is riding. 
     
     
         15 . The light assembly of  claim 1 , further comprising at least one gear mechanically coupling the at least one electric generator to the shaft. 
     
     
         16 . The light assembly of  claim 1 , wherein the surface of the curved bottom side comprises an adhesive surface configured to fix the bottom side of the housing to the top surface of the helmet. 
     
     
         17 . The light assembly of  claim 1 , further comprising a mechanical adaptor configured to connect between the bottom side of the housing and the top surface of the helmet. 
     
     
         18 . The light assembly of  claim 1 , further comprising at least one output power connector disposed in the housing and electrically connected to the at least one electric generator for powering at least one external device. 
     
     
         19 . The light assembly of  claim 1 , further comprising the light assembly is integrated in at least one other device configured for mounting on top the helmet. 
     
     
         20 . A method of producing a light assembly add-on for a helmet, comprising:
 producing a housing having a curved bottom side having a surface sized and shaped to be in a tight physical connection with a top surface of a helmet, the housing having an elongated air inlet formed in a front side of the housing such that an opening of the air inlet is perpendicular to a heading direction of the helmet;   producing at least one rotor having a shaft and a plurality of blades each having a longitudinal end connected along the shaft;   disposing the at least one rotor horizontally behind the air inlet such that a longitudinal axis of the shaft is parallel to the opening such that wind deflected by the air inlet is perpendicular to the longitudinal end of the plurality of blades;   mechanically coupling at least one electric generator to the shaft; and   electrically connecting at least one light emitting device to the at least one electric generator.