JPS62149729U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the structure of a range hood fan as an embodiment of the present invention, Fig. 2 is a vertical side view thereof, and Fig. 3 is an explanatory view showing an enlarged portion of arrow A in Fig. 2. , FIG. 4 is a perspective view showing the curtain plate member alone, FIG. 5 is a perspective view showing a conventional example, and FIG. 6 is an explanatory view showing the conventional example in an installed state. In the figure, 1 is a main body, 2 is an air blower, 3 is a suction port, 5 is a body, 6 is a plate-shaped hood, 7 is a front panel, 13 is a ventilation passage, 16 is a curtain plate member, and 18 is an intake port. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] A polluted air collection function that collects polluted air such as rising oil smoke, sucks it in with a built-in exhaust blower, and exhausts it to the outside. The box-shaped hood has a flat plate-shaped hood with an opening at the bottom for local ventilation and an inlet for general ventilation at the front, and a built-in blower for exhaust. body, and a hollow disc-shaped front panel with an open upper end that is attached like a lid to the front of this body, and the upper end of the front panel is designed to prevent contaminated air from going around to the rear side of the upper part of the main body. A curtain plate member serving as a regulating barrier is inserted and connected between the front upper end of the front panel and its front lower end so that a rectangular intake port for general ventilation is formed, and this intake port connects the front panel's internal space. A range hood fan, characterized in that the fan is connected to a suction port for overall ventilation of the body.