How do you know when something's a genius invention? For me, it’s when I see it and instantly go: why didn’t I think of that?

Poppet valves are typically preferred in sorting applications, industrial environments with possible contamination, and any applications that need fast switching times. Advantages.

But aside from sealing, poppet valves don’t offer many advantages. Still, engineers kept pushing: better springs, VVT, and all kinds of breathing tricks: variable intake manifolds, forced induction, ...

The EGV Series high-flow poppet valves are electronically piloted versions of the company’s GV Series valves. The valves come in 1/8-in. NPT ported and manifold mount and use 10 or 15-mm valves.

When one of the poppet valves completely clogged our engine with 180,000 miles on the odometer, we thought our Vortec V-8 may have seen its last days. Our '96 Chevy truck was beginning to fall on ...

While the poppet valves work well at low speeds, they are unreliable at high engine speeds, and the “timing,” or opening and closing of the valves, is uncertain.

Four Stroke Cycle with Poppet valves. Courtesy Wikipedia , CC BY-SA 3.0 During the compression stroke, the valve cylinder becomes part of the combustion chamber, with both ports facing away from ...

Officially replacing the rest of Stearns’ poppet-valve models, the Six was offered as a roadster on a 134-inch chassis, or as a touring car, limousine or landaulet on a 140-inch span.