Patent ID: 8499365

Claim:
A helmet ( 100 ) for cooling a head of a person, the helmet consisting of: (a) a top portion ( 110 ) covering a scalp region of the person's head; (b) a neck portion ( 120 ) covering a neck region of the person's head; (c) a tube ( 130 ) embedded in the helmet ( 100 ), wherein a circular portion ( 132 ) of the tube is disposed in the top portion to lay over a person's scalp region and a tail portion ( 134 ) of the tube runs down the neck region ( 120 ), a first end of the tail portion ( 136 ) of the tube fluidly connects to the circular portion of the tube, a second end of the tail portion ( 138 ) of the tube comprises a cap ( 140 ) that opens for drainage of a content in the tube; (d) a pressurized refrigerant container attached to the neck region ( 150 ) fluidly connected to the tail portion ( 134 ) of the tube, wherein a pressurized refrigerant is released into the tube when a first valve ( 260 ) is opened; wherein the person's head is cooled when the pressurized refrigerant is released into the tube, the pressurized refrigerant absorbs a heat from the person's head and the pressurized refrigerant transforms into a warmed refrigerant, and the warmed refrigerant is drained from the tube.