Patent ID: 8643984
Filing Date: 2014-02-04
Classification: F02B,F02C,F05D,Y02E

Abstract:
1. An engine system in which an engine and an electrical device for driving the engine system are housed in a package, comprising: a transformer with a primary side coupled to an AC power supply and a secondary side which outputs an expected voltage of the electrical device for driving the engine system, the transformer housed in the package and attached to an inner face of a package outer panel forming a part of an outer wall of the package, openings are provided respectively above and below the transformer in the package outer panel, the opening below the transformer, the opening above the transformer, the transformer, and a ventilation fan are housed in and covered by a transformer box that is a common space sectioned off from a space in which another device is housed inside the package, the transformer box being provided on the inner face of the package outer panel, a ventilation duct is provided on an outer face of the package outer panel so as to cover a range from the opening above the transformer to the opening below the transformer, and the interior of the ventilation duct is sectioned into an intake portion in communication with the opening below the transformer and the outside and an exhaust portion in communication with the opening above the transformer and the outside such that the transformer, the ventilation fan, and a ventilation path for the transformer are consolidated on a single package outer panel.