Refrigeration – Muffler or sound dampener
Patent
1989-07-25
1991-02-12
King, Lloyd L.
Refrigeration
Muffler or sound dampener
622591, F25D 1900
Patent
active
049914065
ABSTRACT:
An air conditioner generally comprises a compressor accommodated in the outer casing thereof and the compressor is surrounded by a sound-proof cover. The sound-proof cover is formed of a main body made of a sound absorbing material and a heat insulating member preferably made of a foam of a thermosetting resin which is bonded to the surface of the main body opposing to the outer surface of the compressor. The heat insulating member has a heat transfer efficiency smaller than that of the main body. The main body is preferably formed of a sound absorbing member and a noise insulating member. The heat insulating member, the sound absorbing member and the noise insulating member are laminated and bonded to each other in this order. The entire sound-proof cover is arranged in contact with substantially the entire outer periphery of the compressor. An outer casing formed of a sound absorbing material may be further disposed so as to surround the sound-proof cover with space therebetween.
REFERENCES:
patent: 1895806 (1933-01-01), Lipman
patent: 2150700 (1939-03-01), Philipp et al.
patent: 2177827 (1939-10-01), Hintze
patent: 2247950 (1941-07-01), Kucher
patent: 2250648 (1941-07-01), Philipp
patent: 2989855 (1961-06-01), Thompson
patent: 3646934 (1972-03-01), Foster
patent: 4384635 (1983-05-01), Lowery
Fujii Eiichiro
Horimizu Kiyoshi
Kabushiki Kaisha Toshiba
King Lloyd L.
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