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US 6,884,160 B1Granted
Barrier apparatus for resisting passage of harmful gases through an opening
AssigneeMarioff Corporation Oy
InventorGöoran Sundholm
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AssigneeMarioff Corporation Oy
InventorGöoran Sundholm
Estimating the term…
The invention relates to a barrier apparatus for resisting passage of harmful gases from a space through a substantially vertical opening having a top, a bottom and lateral sides, the barrier apparatus comprising a suction arrangement for sucking gases and blowing arrangement for creating a flow of a medium. In order to effectively process harmful gases even in large spaces, the suction arrangement comprises at least one suction port (1) located near the top of the opening to provide blowing substantially along the width of the opening, the blowing arrangement comprises at least one blowing port (5) located near the bottom of the opening to provide blowing substantially along the width of the opening, a fluid coupling (8, 9) coupled between the suction arrangement and the blowing arrangement being provided and defining a fluid path between the suction port (1) and the blowing port (5), a spraying device (3) being arranged in the fluid path for driving gas from the suction port to the blowing port and being arranged for spraying a liquid in the fluid path for purifying and/or cooling media flowing through the fluid path. The invention also relates to a method of guiding and processing harmful gases near a doorway.
A barrier apparatus for resisting passage of harmful gases from a space through a substantially vertical opening having a top, a bottom and lateral sides, the barrier apparatus comprising a suction arrangement for sucking gases and blowing arrangement for creating a flow of a medium, wherein the suction arrangement comprises at least one suction port (1, 1′) located near the top of the opening to provide suction substantially along the width of the opening, the blowing arrangement comprises at least one blowing port (5, 5′) located near the bottom of the opening to provide blowing substantially along the width of the opening, and a fluid coupling (8, 9, 8′, 9′) coupled between the suction arrangement and the blowing arrangement being provided and defining a fluid path between the suction port (1, 1′) and the blowing port (5, 5′), a spraying device (3, 3′) being arranged in the fluid path for driving gas from the suction port to the blowing port and being arranged for spraying a liquid in the fluid path for purifying and/or cooling media flowing through the fluid path.
In a method of guiding and processing harmful gases near a substantially vertical opening defined by upper and bottom areas and lateral sides in a space comprising the harmful gases, in which method a flow of medium is created in the immediate vicinity of the opening, the improvements wherein, in the upper area of the opening in an area substantially corresponding to the width of the opening gases are sucked from the space into at least one suction port (1, 1′) in upper parts of the lateral sides of the opening gases are sucked from the space into further suction ports (2a, 2b) and from a level below said at least one suction port (1) and above the middle of the lateral sides of the opening, and near the bottom area of the opening in an area substantially corresponding to the width of the opening purified gases are blown from at least one blowing port (5, 5′) into the space, said suction and said blowing being such as to at least substantially prevent air from penetrating via the opening into the space.
In a method of guiding and purifying smoke gases produced in a fire, near a substantially vertical opening defined by upper and bottom areas and lateral sides and in a space comprising the smoke gases, in which method a flow of medium is created in the immediate vicinity of the opening, the improvements wherein in the upper area of the opening in an area substantially corresponding to the width of the opening gases are sucked from the space into at least one suction port (1, 1′), and near the bottom area of the opening in an area substantially corresponding to the width of the opening purified gases are blown from at least one blowing port (5, 5′) into the space, wherein a fog-like medium is sprayed with a spraying device (3, 4, 3′, 4′) at a high pressure to establish a flow path between said at least one suction port (1, 1′) and said at least one blowing port (5, 5′) and to provide a suction into said at least one suction port (1, 1′) and to provide the blowing from said at least one blowing port (5, 5′), said suction and said blowing being such as to at least substantially prevent air from penetrating via the opening into the space, and such as to guide the smoke gases by said suction into the fog-like medium discharged from the spraying device in order to absorb in smoke gas particles.
Dependencies are inferred from the claim text.