Abstract: An air conditioning system has a plurality of profile elements which are attached to the ceiling of a room and arranged to extend in line in such a manner as to define with the ceiling surface and a wall surface a channel-like space, and an air conditioner and accessories thereof. The profile elements are classified into a plurality of groups in terms of length but have the same cross-sectional configuration, so that they do not spoil the appearance of the interior of the room in which the air conditioning system is installed.

Abstract: An air guard assembly used to direct air forced through an overhead air diffuser toward the floor of a building. The assembly has a plurality of elongated linear baffles. Each baffle has a strip of magnetic material that adheres directly to metal ceiling structures to surround and enclose the diffuser within the assembly. A gripping tool having an elongated handle is used to locate the baffle adjacent the metal ceiling surface and remove the baffle therefrom. The baffle has a pair of grooves preventing the gripping tool from slipping off the baffle.

Abstract: An air conditioning system comprises a room divider extending upwardly from a floor, the room divider having first and second sides for supplying conditioned air to an area. The room divider comprises a first panel integrally connected to a second panel to form the room divider. The first and second panels are spaced apart a predetermined distance to define an air flow area therebetween for allowing air to flow between the panels. The first and second panels include a bottom portion positioned proximate a first side of the floor, the bottom portion including a generally imperforate bottom member adjacent the second panel and sized to complement the air flow area such that air cannot flow directly through the bottom portion from or to the air flow area. At least one air outlet is integral with one of the first or second panels and is elevated a predetermined distance from the floor for allowing air within the air flow area to flow therethrough to an area surrounding the room divider.

Abstract: An element for use in ductwork of a heating and air conditioning system includes a converging shape that causes pressure of the air flowing therethrough to decrease and which establishes a negative pressure between the surroundings of the element and the air flowing through the element. A plurality of vents are defined in the element whereby air from a room flows into the element to be mixed with conditioned air in the element before that conditioned air is exhausted into the room. The converging shape of the element causes pressure to vary according to a specific relationship, and each of the vents has a cross sectional area that varies according to the same relationship whereby adjacent vents have different cross sectional areas.

Abstract: An air conditioning system comprising a personal air terminal extending upwardly from a floor through a surface for supplying conditioned air to an area. The personal air terminal includes a first wall integrally connected to a second wall to form the personal air terminal. The first and second walls each have an upper and a lower portion. The first and second walls taper inwardly from their lower portions to their upper portions for allowing air to readily flow therebetween. The first and second wall are in engagement with and surround an opening in the floor. A pair of air outlet registers are integral with one of the first and second walls and elevated a predetermined distance from the floor for allowing air flowing between the first and second walls to flow to an area surrounding the personal air terminal. A fan unit moves conditioned air from the second side of the floor through the opening, between the first and second walls and through the registers to the surrounding area.

Abstract: The present invention is directed to a method and apparatus for growing poultry or other domesitcated fowl in an indoor environment. In particular, it is directed to an apparatus for efficiently heating and ventilating a poultry house and a method for using the same. Central to the apparatus and method is a unique energy exchange unit which uses the thermal energy of the exhaust air drawn from the poultry house to pre-heat the incoming fresh air supplied to the poultry house.

Abstract: A duct to carry air has openings along it and a flexible sheet extending longitudinally within it. The end of the sheet adjacent the point of air intake can be brought against one side of the duct or the other, either to allow air to be blown through the duct along the side thereof in which the holes are located or to force the air to go through the duct along the other side, thereby not being able to emerge from those holes.