Abstract: A windchime that generates musical tones in response to very low wind speeds includes chime members that are grouped in pairs. The chime members of each pair of chime members include a massive chime member and a less massive chime member that are closely spaced apart from one another. In very low winds, the less massive chime members begin swinging and impinge against their adjacent more massive chime members. Thus, a musical tone is produced even before the more massive chime members begin swinging. This arrangement of parts reduces the sensitivity threshold of the windchime so that it performs its intended function in breezes moving at less than one-half a mile per hour. In a preferred embodiment, three sets of chimes are suspended from a tripod-like mounting member that includes aesthetically pleasing support legs.

Abstract: A primary of a linear induction motor has a plenum formed on its upper surface to receive cooling air from a fan. The upper surface of the core is formed with fins to promote cooling. Air flows from the plenum to side housings in which the end turns are located. A deflector plate directs air from the plenum over the end turns of the windings. Exhaust slots are provided in the housing above the end turns and a baffle between the housing and the end turns promotes flow through the end turns as it moves toward the exhaust slots.

Abstract: An internal combustion engine is designed to run on natural gas and utilize the diesel cycle. To promote combustion, a mixing chamber is dispersed within a combustion chamber formed between the piston and cylinder. The chamber includes a pair of concentric housings, the innermost of which receives fuel from the injector and provides a rich mixture in the volume between the housings.

Abstract: A relatively-small-diameter conductive cylindrical tubing, or metallic rod element is wound helically in the shape of the desired electrostatic metallic shield element. The turns of the metallic coil, thus formed, may be cemented, soldered, welded or otherwise fastened together to thereby provide rigidity to the metallic shield, if desired. The turns of the metallic coil may, however, be separated from one another by a space. One or both ends of the coil may be bent transversely away from the shield's surface for use both as a physical support during casting, or encapsulation, and, alternatively, as conducting leads for grounding purposes, or for terminal connection purposes. The body portion of the insulating member may be composed of any suitable casting material, such as resinous material, either epoxy resin, or polyester resin, or Butyl rubber.