Patent ID: 8784040
Filing Date: 2014-07-22
Classification: F04D,F24F

Abstract:
1. A ventilator, comprising: a body casing that has an opening formed in a lower portion and an exhaust port formed on one side; a fan that is provided in the body casing, sucks indoor air from the opening, and exhausts the indoor air from the exhaust port; a resin fan casing that has a suction port, is provided in the opening, closes the opening other than the suction port, and forms an air passage of the fan; a protection frame that is formed outside the air passage of the fan casing to cover a terminal block provided in an internal corner of the body casing outside the air passage of the fan casing; a resin terminal block cover that watertightly seals a protection frame opening of a lower portion of the protection frame and can be opened and closed; a sheet-metal case that is provided in the protection frame and stores the terminal block; a sheet-metal terminal block cover that opens and closes a lower opening of the sheet-metal case; and a rib provided on the rear side of the resin terminal block cover, such that the sheet-metal terminal block cover bumps against the rib and closing of the resin terminal block cover is disabled, when the resin terminal block cover is closed in a state in which the sheet-metal terminal block cover is opened.