Collapsible and portable hair dryer with combustion heat supply system

Claim 1

A collapsible and portable hair dryer with gas combustion heat supply system, in combination: a main body housing a motor, a fan, and a plurality of bladelike portions therein; the bladelike portions being arranged in front of the fan; the fan being rotated by the motor, which is controlled by a motor switch and energized with an electric power source installed in the hair dryer; the bladelike portions allowing air blown from the fan to pass through; a handle part provided to hold gas therein; a gas pipe fitted on a top of the handle part; a combustion chamber under the bladelike portions; a heat adjustment screw, connected with a front end of the gas pipe, for one to set up a temperature value of the hair dryer; a flame nozzle fitted in front of 'the heat adjustment screw; a flame guide pipe, communicating with the combustion chamber, for flame of gas under combustion to pass therethrough; said flame of gas under combustion heating up the bladelike portions to heat the air passed through the bladelike portions; a sliding rod controlling outflow quantity of gas; a temperature sensor, installed inside the flame guide pipe, and operationally associated with both the sliding rod and the heat adjustment screw for sensing a current temperature and adjusting the current temperature in accordance the set temperature value of the heat adjustment screw by moving the sliding rod to control the gas outflow quantity; a button fitted on the handle part to start gas combustion; an indicating light fitted on the handle part to indicate the gas combustion and running of the motor.