Patent ID: 6775981
Filing Date: 2004-08-17
Classification: F01P,F02B,Y02E,Y02T

Abstract:
An engine operated machine system comprising:an engine; a working machine driven by said engine; and a waste-heat recovery unit that recovers waste heat emitted by said engine, wherein said engine, said working machine, and said waste-heat recovery unit are accommodated in a box-shaped case, wherein said box-shaped case comprises: a partition wall which partitions an interior of said case into a working-machine accommodating chamber, which accommodates said engine, said working machine and said waste-heat recovery unit, and an electrical-equipment accommodating chamber; the partition wall having a draft bore which connects said working-machine accommodating chamber to said electrical-equipment accommodating chamber; a cooling-air intake port which connects said electrical-equipment accommodating chamber to the outside; and a discharge port for discharging, to the outside, air forcibly discharged from said working-machine accommodating chamber by a fan driven by said engine, and wherein an assist fan is disposed in said draft bore and is adapted to be operated, in response to a temperature in said working-machine accommodating chamber exceeding a predetermined value, to feed the air in said electrical-equipment accommodating chamber into said working-machine accommodating chamber.