Refrigeration – Muffler or sound dampener
Patent
1995-11-17
1997-09-23
Doerrler, William
Refrigeration
Muffler or sound dampener
62505, 312406, F25D 2304, F25B 100
Patent
active
056692323
ABSTRACT:
A refrigerating unit comprising an adiabatic box provided with a door to its opening, a machine compartment in contact with said adiabatic box, and a refrigerating cycle wherein the machine compartment is covered with a damping plate and is attached to the adiabatic box with a jointing means so as to be sealed, and further said refrigerating unit comprises an oil cooler for cooling lubricating oil in a compressor in the refrigerating cycle is provided. By this, noise and vibration generated by a refrigerator itself such as noise generated by a flowing or boiling refrigerant in the compressor and an evaporator can be effectively removed, noise and vibration generated by resonance between vibration by a refrigerator and a wall or a cabinet can be attenuated and the effect of heat release can be enhanced. It is preferable that an outer casing of the adiabatic box is also made of a damping plate or a damping material is stuck to important positions of the outer casing made of an iron plate after forming an iron plate. Noise generated by a flowing or boiling refrigerant in the evaporator can be absorbed in a sound absorbing material layer and can be effectively attenuated by also providing a sound absorbing material layer between a heat insulator in the adiabatic box and the inner casing and between a heat insulator in the door and the door panel.
REFERENCES:
patent: 3548612 (1970-12-01), Mitsubayashi et al.
Iwamoto Keiichi
Nishikawa Yukinobu
Doerrler William
Sanyo Electric Co,. Ltd.
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