Patent ID: 6394083
Filing Date: 2002-05-28
Classification: F24C

Abstract:
An adjustable cartridge filter for use in a cartridge ventilator, the cartridge filter comprising:a filter housing including a front wall having a front wall opening and a back wall coupled to and spaced from the front wall, the back wall including an upper back wall portion spaced from a lower back wall portion by a back wall opening which is defined between an upper portion edge of the upper back wall portion and a lower portion edge of the lower back wall portion; and a flow diverter disposed obstructively at the back wall opening and being adjustably supported by the housing to move relative to the housing, the flow diverter having a front diverter portion which is disposed between the back wall opening and the front wall and which is spaced from the front wall to define a front diverted spacing and spaced from the back wall to define a rear diverted spacing, the flow diverter having a rear diverter portion which is adjustably coupled to the back wall to move the front diverter portion in a space between the front wall and the back wall to divert a flow of a gas from the front wall opening to the back wall opening so that the gas flows from the front wall opening through the front diverted spacing between the front wall and the front diverter portion in a first direction, around a lower edge of the front diverter portion, through the rear diverted spacing between the back wall and the front diverter portion in a second direction which is substantially opposite from the first direction, to the back wall opening.