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The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée.The use of the word poppet to describe a valve comes from the same word applied to marionettes, which, like the poppet valve, move bodily in response to remote motion transmitted linearly.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Mushroom valve may refer to: The exhaust valve of a ...
The exhaust valves should operate at a very small pressure difference, and cause as little resistance to flow as reasonably possible, without being cumbersome and bulky. Elastomer mushroom valves serve the purpose adequately, [4]: 108 though duckbill valves were also common in twin-hose regulators. Where it is important to avoid leaks back into ...
A simplified diagram of an agaric-type basidioma in (A) the early development stage, and (B) after the body is fully expanded. (1) is the universal veil, the outer layer protecting the developing basidioma; (4) is the volva, the remnant of the universal veil at the base of the basidioma.
Cutaway of a dual overhead camshaft engine 1969 AMC V8 overhead valve engine. The rocker cover has been removed, so elements of the pushrods, rocker arms, valve springs, and valves are visible. A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. [1]
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A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring. The valves in a typical four-stroke engine allow the air/fuel mixture into the cylinder at the beginning of the cycle and exhaust spent gases at the end of the cycle. In a conventional ...
The Vector templates below can be used to derive images with, for example, Inkscape. This is the method with the greatest potential. This is the method with the greatest potential. See Human body diagrams/Inkscape tutorial for a basic description in how to do this.