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US 2009/0215376 A1Published application
Laboratory containment system
AssigneeA1 Envirosciences Limited
InventorSean Patrick CODLING
Life of this patent
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AssigneeA1 Envirosciences Limited
InventorSean Patrick CODLING
Estimating the term…
A laboratory bench-top fume hood comprises an enclosure containing a working chamber with a frontal opening for manual access and airflow into the chamber. A plenum behind the working chamber is connectable to an air extraction system. An apertured, curved baffle plate separates the working chamber from the plenum, and is convex from the plenum side, improving airflow and increasing usable volume of the working chamber. Slots in the baffle plate may be fitted with guide vanes extending into the plenum. A slot adjacent a roof of the working chamber is effective for creating evenly-distributed air flows. The roof may be curved to encourage an airflow to follow the roof profile to the baffle plate. Sidewalls of the working chamber may bow outwardly but converge towards the opening. The baffle plate may comprise a set of separately dismountable panels, to aid cleaning and provide access to the plenum.
An enclosure mountable on a laboratory bench or the like, comprising a chamber adapted to hold at least one item of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein the baffle extends convexly into the plenum.
An enclosure mountable on a laboratory bench or the like, comprising a chamber adapted to hold at least one item of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein at least some apertures of the baffle are provided with means to guide a direction of an airflow through said baffle.
An enclosure mountable to a laboratory bench or the like, comprising a chamber adapted to hold at least one item of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein said apertured baffle comprises or defines an elongate aperture extending adjacent a roof of the chamber.
An enclosure mountable to a laboratory bench or the like, comprising a chamber adapted to hold at least one item of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein the chamber is provided with an arched roof.
An enclosure mountable on a laboratory bench or the like, comprising a chamber adapted to hold one or more items of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein the chamber is provided with generally vertical side walls bowed outwardly.
An enclosure mountable to a laboratory bench or the like, comprising a chamber adapted to hold one or more items of scientific apparatus and having an opening adapted for manual access to said apparatus, a plenum operatively connectable to means to extract air, and an apertured baffle extending so as to divide the chamber from the plenum, wherein the baffle comprises a plurality of connected or connectable sections.
Dependencies are inferred from the claim text.