Patent ID: 7482705

Claim:
A generator support plenum and generator enclosing box including: (a) an upper support surface for bearing the weight of a generator; (b) a lower surface on which, in use, the plenum rests; (c) an air intake opening into the plenum opening to atmosphere; (d) an air intake duct through the plenum from the air intake opening; (e) an opening out of the plenum from the air intake duct and located for alignment with air intake of the generator; (f) a gas outlet opening from the plenum to atmosphere; (g) a gas outlet duct through the plenum to the gas outlet opening; (h) an opening into the plenum to the gas outlet duct and located for alignment with a cooling air outlet of the generator; (i) a diffuser in the gas outlet duct located to receive engine exhaust gas from an internal combustion engine driving the generator; (j) soundproofing on interior surfaces of at least one of the air intake and gas outlet ducts; and (k) the plenum being located outside the generator enclosing box in supporting relation to the box and a generator enclosed in the box, a first opening through a wall of the box in registry with the opening out of the plenum from the air intake duct, and a second opening through a wall of the box in registry with the opening into the plenum to the gas outlet duct.