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Types of Flexible Coupling – Bibby Resilient Couplings                  Named after its Inventor Dr. James Bibby in 1917, this coupling is still one of the most sought after flexible couplings for heavy shock applications. Let us now look at the constructional features of the coupling. 1.       The Coupling consists of two flanges or hubs specifically mounted on the drive and the driven shafts respectively. These hubs contain axial grooves cut on their circumference. 2.       The two couplings are joined or held together by means of a specially designed grid spring. 3.       The total assembly is enclosed in a casing or shell filled with grease for low-speed applications or, in high-speed applications with high viscosity oil. Now let’s look at the working aspect of the coupling and how it tends to reduce vibration and prevents the build-up of resonance in the system. a.) The specially designed spring is wound up through the grooves forming a series of resilient bridges throughout the p

The technology of Hydrogen Fuelled Rotary Engine                This hydrogen engine takes advantage of the characteristics of Mazda’s unique rotary engine and maintains a natural driving feeling unique to internal combustion engines. It also achieves excellent environmental performance with zero CO2 emissions.                Further, the hydrogen engine ensures performance and reliability equal to that of a gasoline engine. Since the gasoline version requires only a few design changes to allow it to operate on hydrogen, hydrogen-fueled rotary engine vehicles can be realized at low cost. In addition, because the dual-fuel system allows the engine to run on both hydrogen and gasoline, it is highly convenient for long-distance journeys and trips to areas with no hydrogen fuel supply. The technology of the RENESIS Hydrogen Rotary Engine:                The RENESIS hydrogen rotary engine employs direct injection, with electronically-controlled hydrogen gas injectors. This system draws in a