Basic twin lobe rotary air blower pÃ¬inciple Let us focus on twin lobe blowers, also popularly know as 'Roots blowers' on the name of its inventors. Twin lobe rotary air blowers belong to the category of positive displacement .blowers. They consist of a pair ot involute profiled (shape of 8) lobes/rotors rotating inside an oval shaped casing, closed
Top 10 Elite Fighting Units. Seal Team 6, the U.S. special-operations force that took out Osama bin Laden, is one of the most highly trained units in the world. For years, governments have prepared small, mobile forces that specialize in everything from ending a hostage situation to stealthily eliminating enemy combatants. Full List.
Top 10 Most Dangerous Special-Forces Around the World. What do Chuck Norris, Sylvester Stallone, Charlie Sheen, Demi Moore and Steven Seagal all have in common? At one time or another they have all portrayed special forces soldiers on the big screen and satiated the publicâs love of action movies that involve elite military forces. In the world of the military, perhaps no one group fascinates us or takes hold of our imagination more than the special-forces. On top of the âregularâ military forces, most nations have an elite group of service personnel who are held to a higher standard of requirements and training.