Abstract: A peller device with a flap is an apparatus used to enhance the capabilities and efficiency of water circulation and aeration systems. The apparatus is configured to act as both a propeller and an impeller as necessary for a particular water circulation requirement. A flap is an addition to the blade tip which propels a fluid by pushing against the fluid, thus enabling the peller to function as a propeller. In addition, the flap facilitates the generation of a sucking force so the peller can also function efficiently as an impeller. The peller assembly can be encased in circular housings having a vertical axis in which the peller assembly is mounted for rotation on the central axis of the housing. The peller assembly is formed with a hub and a plurality of blades symmetrically positioned around the hub. The flap of the apparatus is attached to the base of the peller assembly.

Abstract: A roll form framing system has a plurality of support beams being interconnected by a plurality of couplers and a plurality of splines. Each of the plurality of support beams including a beam body, a first structural channel, and a second structural channel. The first structural channel and the second structural channel are formed into an outer lateral wall of the beam body, wherein the first structural channel and the second structural channel provide a recess for aligning a plurality of fasteners utilized to secure the plurality of support beams, the plurality of couplers, and the plurality of splines to each other. The outer lateral wall and an inner lateral wall of the beam body delineate a coupler receiving volume for accepting one of the plurality of couplers, while the inner lateral wall delineates a spline receiving volume for accepting one of the plurality of splines.

Abstract: A roll form framing system has a plurality of support beams being interconnected by a plurality of couplers and a plurality of splines. Each of the plurality of support beams including a beam body, a first structural channel, and a second structural channel. The first structural channel and the second structural channel are formed into an outer lateral wall of the beam body, wherein the first structural channel and the second structural channel provide a recess for aligning a plurality of fasteners utilized to secure the plurality of support beams, the plurality of couplers, and the plurality of splines to each other. The outer lateral wall and an inner lateral wall of the beam body delineate a coupler receiving volume for accepting one of the plurality of couplers, while the inner lateral wall delineates a spline receiving volume for accepting one of the plurality of splines.