Condition responsive muffler for refrigerant compressors

Details Condition responsive muffler for refrigerant compressors Condition responsive muffler for refrigerant compressors

1992-11-16

1995-12-12

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181229, 181403, F01N 718

Patent

active

054751896

ABSTRACT:
Pulses are sensed at the inlet and outlet of a two-chamber reflective muffler and responsive thereto the cavities are tuned to the frequency of the pulses. Specifically, chamber walls are moved to have them located at spacings corresponding, respectively, to one half and one quarter of the wavelength of the pulses.

REFERENCES:
patent: 2514344 (1950-07-01), Slaymaker et al.
patent: 3141519 (1964-07-01), Bottum
patent: 3219141 (1965-11-01), Williamitis
patent: 3750840 (1973-08-01), Holme
patent: 4537279 (1985-08-01), Van Heekeren

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