Dynamic seals retain or separate fluids, keep out contaminants, and contain pressure. They create a barrier between moving and stationary surfaces in rotary or linear applications such as rotating ...

They are usually made of brass, bronze, plastic, steel, or stainless steel. Rotary unions connect via flanges or threads and may use dual radial ball bearings to prevent side loading to seals. Seals ...

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 ...

It's a sort of Wankel-rotary design, but with an interesting twist: there are no planetary gears or apex seals. Instead, there are two counter-rotating shafts that have incredibly tight ...

When the new Armstrong Student Center opened in 2014, one of its breathtaking focal points was The Great Seal, a 3-D version of the university seal, created with real objects and containing students' ...

No workbench is complete without at least one good rotary tool. These amazing devices are capable of drilling, sanding, cutting, glassworking, grinding, carving, and even cleaning. With the right ...

Our review of SEAL Team Season 7 Episode 7 discusses Jason’s return to Bravo, Ray’s trepidation about retirement and much more! SEAL Team Season 7 Episode 6 Review: Hundred-Year Marathon SEAL ...

Seal fact: These animals, also known as pinnipeds, make up three diverse groups of semi-aquatic carnivorous marine mammals. Constituting the most species-rich clade of living marine mammals, there ...

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 ...

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 ...

A naturalist was left astounded after taking a once-in-a-lifetime photograph of a bewildered seal in the mouth of a humpback whale after the 40-ton marine mammal accidentally swallowed it.