Heat storage device with grille over air intake aperture - has grille fixed to body so that it can be adjusted across aperture and has air filter attached to grille

摘要

A heat storage device has an air intake aperture situated in base wall of the housing containing the device and an air filter attached to the air intake aperture has the air intake aperture (3) constructed with a grille device (4). The grille device may be adjusted with respect to the intake aperture (3) and is mounted to the body housing (2) such that this can be achieved. An air filtration filter (8) is mounted on the side of the grille (4) directed towards the body housing (2) in a removeable manner.