Gas pulsation dampener for positive displacement blowers and com

Details Gas pulsation dampener for positive displacement blowers and com Gas pulsation dampener for positive displacement blowers and com

1996-11-08

1999-09-28

Freay, Charles G.

Pumps

Processes

417312, 417313, 417540, 417542, F04B 1100

Patent

active

059576642

ABSTRACT:
A gas pulsation and noise reduction system for positive displacement blowers and compressors. A resonator is placed in one or both of the inlet and outlet conduits of the blower or compressor. The resonator is sized to damp out gas pulsations by providing a reflected wave 180.degree. out of phase with the gas pulsation in the associated conduit. Multiple resonators can be used in one or both conduits to dampen gas pulsations of different frequencies.

REFERENCES:
patent: 4162904 (1979-07-01), Clay et al.
patent: 4294330 (1981-10-01), Baldwin et al.
patent: 4529060 (1985-07-01), Komauer et al.
patent: 4561865 (1985-12-01), McCombs et al.
patent: 4927342 (1990-05-01), Kim et al.
patent: 5040495 (1991-08-01), Harada et al.
patent: 5203679 (1993-04-01), Yun et al.

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