Abstract: A lighting device having small light sources on a movable support assembly. Light sources are integrated into the side edges of the device on an assembly that coincides with the housing shape, to provide a particularly narrow and low-profile arrangement. Lights sources may be arranged in an array on a common printed circuit board. Optic elements are included to redirect and focus light. The light support assembly may be pivotable, translatable and tiltable to allow for adjustment to enhance lighting uniformity in multiple directions. Accordingly, a single device can accommodate a broad range of lighting needs, the undesirable “bug eye” appearance is avoided in many situations, and even when the support assembly is tilted/rotated, the mounting of the lighting arrays on the sides, and the turning and/or tilting of the lighting arrays predominantly within the envelope of the housing contributes to avoidance of an undesirable “bug eye” appearance.

Abstract: A lighting device having small light sources on a movable support assembly. Light sources are integrated into the side edges of the device on an assembly that coincides with the housing shape, to provide a particularly narrow and low-profile arrangement. Lights sources may be arranged in an array on a common printed circuit board. Optic elements are included to redirect and focus light. The light support assembly may be pivotable, translatable and tiltable to allow for adjustment to enhance lighting uniformity in multiple directions. Accordingly, a single device can accommodate a broad range of lighting needs, the undesirable “bug eye” appearance is avoided in many situations, and even when the support assembly is tilted/rotated, the mounting of the lighting arrays on the sides, and the turning and/or tilting of the lighting arrays predominantly within the envelope of the housing contributes to avoidance of an undesirable “bug eye” appearance.

Abstract: A filter rack is spring loaded to an expanded position to help hold the filter rack at various positions and orientations within a furnace enclosure. The rack may also include a spring-loaded channel whose position adjusts to receive filters of various widths. One set of springs urge two side members of the filter rack outward, while another set of springs urge the channel inward.

Abstract: An air handler enclosure having a pivotal door panel covers an access opening leading to a blower inside the enclosure. The door panel is held in engagement with the enclosure when the panel is fully open or closed. The panel can completely disengage the enclosure if the panel is first pivoted to an intermediate position between the fully open and fully closed positions. However, the weight of the panel itself urges the panel to remain engaged with the enclosure as the panel pivots through the intermediate position, which helps prevent the panel from disengaging the enclosure unintentionally.

Abstract: A filter rack is spring loaded to an expanded position to help hold the filter rack at various positions and orientations within a furnace enclosure. The rack may also include a spring-loaded channel whose position adjusts to receive filters of various widths. One set of springs urge two side members of the filter rack outward, while another set of springs urge the channel inward.

Abstract: An air handler enclosure having a pivotal door panel covers an access opening leading to a blower inside the enclosure. The door panel is held in engagement with the enclosure when the panel is fully open or closed. The panel can completely disengage the enclosure if the panel is first pivoted to an intermediate position between the fully open and fully closed positions. However, the weight of the panel itself urges the panel to remain engaged with the enclosure as the panel pivots through the intermediate position, which helps prevent the panel from disengaging the enclosure unintentionally.

Abstract: Flame retardancy is provided to polymer resins by adding to the resin a bisaryl diphosphate that has not been purified to remove catalyst or catalyst residue from the product. The bisaryl diphosphate may be prepared by a two-step process that starts with the semi-continuous addition of dry bisphenol A to a heated mixture of phosphorus oxychloride and MgCl, and concludes with the addition of dry phenol to the step one intermediate.

Abstract: An upflow or downflow furnace comprising a housing; a heat exchanger section in the housing, a blower section in the housing, and a blower deck in the housing having an upward side and a downward side. The heat exchanger section includes at least one heat exchanger and the blower section includes a blower for moving air through the heat exchanger section. The blower deck separates the blower section and the heat exchanger section. The blower deck includes an aperture and means, in proximity to the aperture, for either mounting the blower to the downward side of the blower deck for an upflow furnace configuration or mounting the blower to the upward side of the blower deck for a downflow furnace configuration.