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 Deadliest Insects In The World. 1  8 Spotted Hyena â Bite Force : 1100 psi. 2  7 Grizzly Bear â Bite Force : 1200 psi. 3  6 Gorilla â Bite Force : 1300 psi. 4  5 Jaguar : 2000 psi. 5  4 Hippopotamus â Bite Force : 1825 psi. 6  3 American Alligator â Bite Force : 2125 psi. 7  2 Saltwater crocodile â Bite Force : 3690 psi.