The seal is separated by a thin layer of oil film, which also serves as a lubricant. The relative movement of the dynamic sealing system is rotary or reciprocating. Rotary motion is the movement of ...

Oil seals and grease seals have a flexible lip that rubs against a shaft or housing to prevent the leakage or ingress of fluids and dirt. For proper installation, the seal lip should point towards the ...

A simplified Wankel engine has only two moving parts: the rotor, and the eccentric shaft. CC-BY-SA ... Failing apex seals are the primary cause of rotary engines going down for overhaul.

Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric shaft, unlike piston engines from the period. Apex seals in a Wankel rotary engine perform a similar ...

The large northern fur seal, found in chilly northern waters, was hunted to near extinction during the 19th century. These animals were protected by law in 1911, and populations later rebounded to ...

A Navy investigation into the deaths of two SEALs, who went overboard in January while trying to board a ship carrying Iranian-made weapons, shows just how dangerous Visit, Board, Search and ...

The electric rotary multitool has become a staple of most DIY garages, thanks to its ability to cut, grind, brush, drill, clean and sand without the need to use a cumbersome drill. Cordless ...

Embark on a thrilling discovery amongst the natural beauty and wildlife of the Galápagos Islands—both above and below the water’s surface. Choose from an amazing array of expedition cruises ...

Rotary hammer drills blast through concrete, stone, and masonry with percussion-driven force, making them essential for heavy-duty drilling and demolition projects. By incorporating a hammering ...

Within seconds, Special Warfare Officer First Class Nathan Gage Ingram jumped in to save his fellow Navy SEAL. Both men sank beneath the waves of the Arabian Sea within 47 seconds. A new report by ...

Cardiovascular aging, particularly the changes in systolic blood pressure, large artery stiffness and vascular endothelial function that occur with physiological and pathophysiological aging.

Dynamic Samuel L. Jackson stars as New York City cop John Shaft, who quits the force and decides to dispense his own brand of vigilante justice against a racist killer (Christian Bale) and a ...