Hot air pulse generator for blowing out heated air in a pulse-like manner

DETAILED DESCRIPTION It is an object of the present invention to provide a hot air pulse generator, which, in addition to its inherent functions, massages the head or other parts of the body needing to be massaged by means of hot air blown out in a pulse-like manner, the hot air being obtained from the hot air generating apparatus or the apparatus which combines the air blower with the heat source of the far infrared radiation heat treatment apparatus.
The hot air pulse generator comprises a hot air generating means including a heater and an air blower contained within a housing having a nozzle on a side opposite to the hot air generating means.
The housing defines a passageway leading to the hot air generating means, with a baffle arranged across the passageway of the housing for converging hot air, as a air stream, toward one side of the passageway, where a butterfly valve is rotated by the air stream generated by the baffle.
Hot air, as a high-speed air stream caused by the baffle, strikes against a butterfly valve and is stopped from blowing out of a nozzle when the butterfly valve is closed.
The hot air provides the butterfly valve with a turning force.
When the butterfly valve is rotated by the turning force, a nozzle opens, allowing the hot air to blow out of the nozzle.
When the butterfly valve is rotated again, the valve is closed again, thus stopping the hot air from being blown out.
By repeating the steps described above, the hot air blows out, not in a uniform flow with a fixed quantity and air pressure, but in an intermittent pulse-like flow, which is alternately strong and weak.
This pulse-like flow imparts a massaging sensation to the object of the air flow.