positive tappet
1Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
2Desmodromic valve — In general mechanical terms, the word desmodromic is used to refer to mechanisms that have different controls for their actuation in different directions. Desmodromic poppet valve in Ducati engine. A desmodromic valve is a reciprocating engine… …
3Naturally aspirated engine — A naturally aspirated engine is one common type of reciprocating piston internal combustion engine that depends solely on atmospheric pressure to counter the partial vacuum in the induction tract to draw in combustion air. This is in contrast to… …
4Fuel pump — should not be confused with fuel dispenser, a device that dispenses fuel into an automobile. A high pressure fuel pump on a Yanmar 2GM20 marine diesel engine. A fuel pump is a frequently (but not always) essential component on a car or other… …
5Weberei [1] — Weberei, die Herstellung der Gewebe (Zeuge, Stoffe). Gewebe ist ein flächenartiges Fadengebilde, bei welchem sich zwei Fadengruppen (Kette und Schuß) unter gegenseitiger gesetzmäßiger Schränkung derart kreuzen, daß die eine Fadengruppe (die Kette …
6gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
7Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …
8Dry sump — A dry sump is a lubricating motor oil management method for four stroke and large two stroke piston internal combustion engines that uses external pumps and a secondary external reservoir for oil, as compared to a conventional wet sump system.… …
9Gas-operated reloading — Gas operation is a system of operation used to provide energy to operate autoloading firearms. In gas operation, a portion of high pressure gas from the cartridge being fired is used to power a mechanism to extract the spent case and chamber a… …
10Alfa Romeo 149 — IntroductionThe Alfa Romeo 149 is the replacement for the model Alfa Romeo 147. The expected date of release for the 149 is end 2009/beginning 2010 according to mailings to dealerships. Before that we can expect to see it during one of the major… …
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