(12) United States Patent ao) Patent No.: us 6,595,013 Bi
Simeone (45) Date of Patent: Jul. 22,2003
3,782,628 A * 1/1974 Beaudet 237/12.3 C
* cited by examiner
Primary Examiner—-William E. Tapolcai
(74) Attorney, Agent, or Firm—-Wall Marjama & Bilinski
A sound suppression system for suppressing the noise ol an engine within an enclosure ol an outdoor unit for a transport refrigeration system. A resonator is provided to suppress noise caused by the inflow ol air to the air intake manifold ol the engine, and a sound panel is provided in the bottom wall ol the enclosure to suppress noise emanating from the engine. The resonator and the sound panel are co-located in the same plane and are prelerably integrally formed ol a molded plastic material.