초록 ▼

A noise reducing diffuser which reduces the sound energy created by a pressurized gas while it is being expelled through a nozzle. The diffuser consists of an elongated enclosure with openings at each end that is attached to the output of the gas nozzle. The dimensions of the enclosure, particularly

A noise reducing diffuser which reduces the sound energy created by a pressurized gas while it is being expelled through a nozzle. The diffuser consists of an elongated enclosure with openings at each end that is attached to the output of the gas nozzle. The dimensions of the enclosure, particularly its distance from the sound source, effective diameter and length, are chosen to specifically eliminate audible noise created by the escaping gas by conversion of a portion of the longitudinal component of the sound energy to an increased radial component that can then be dissipated by repeated contact with the wall of the elongated enclosure.

대표청구항 ▼

[ I claim:] [1.] A diffuser for reducing the noise associated with gas being distributed through a nozzle, the diffuser comprising:an elongated enclosure, having at least one open input end adapted to be located just downstream of the nozzle and at least one open output end through which gas enterin

[ I claim:] [1.] A diffuser for reducing the noise associated with gas being distributed through a nozzle, the diffuser comprising:an elongated enclosure, having at least one open input end adapted to be located just downstream of the nozzle and at least one open output end through which gas entering the input end can exit;the enclosure having an effective diameter less than one-quarter of the wavelength of any of the human audible sound waves generated by the gas being distributed through the nozzle; andthe one open input end being positioned a distance from the nozzle less than one-quarter of the wavelength of any of the human audible sound waves generated by the gas being distributed through the nozzle.