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overhead valves

См. также в других словарях:

  • Overhead valves — OHV Motorrad Motor Die OHV Ventilsteuerung (engl. Overhead valves für obenliegende Ventile) bezeichnet eine Bauweise von 4 Takt Hubkolbenmotoren, bei der die Einlass und Auslass Ventile im Zylinderkopf angeordnet sind. Mithilfe der… …   Deutsch Wikipedia

  • overhead valves — (OHV) Valves located in the head. A four stroke engine with the intake and exhaust poppet valves located in the cylinder head and not at the side of the cylinder as in a side valve engine. The valve stems are either at an angle or parallel and… …   Dictionary of automotive terms

  • Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… …   Wikipedia

  • overhead valve — A valve located in the upper part of the aircraft reciprocating engine cylinder head. Both the inlet and outlet valves are overhead valves. See induction stroke …   Aviation dictionary

  • Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …   Wikipedia

  • overhead camshaft — (OHC) The camshaft that activates the valves is mounted above the head and driven by a long timing chain or cam chain. In contrast, a pushrod engine has the camshaft below the cylinders so that thin rods (pushrods) are moved by the camshaft and… …   Dictionary of automotive terms

  • overhead valve — noun A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder head (and therefore above the piston). The camshaft can be beside the pistons (with pushrods and rockers operating the valves) or above the… …   Wiktionary

  • overhead — I. adverb Date: 15th century above one s head ; aloft II. adjective Date: 1874 1. a. operating, lying, or coming from above b. having the driving part above the part driven < valves operated by an overhead camshaft > …   New Collegiate Dictionary

  • overhead cam — noun A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder head and has the camshaft(s) up above the valves too …   Wiktionary

  • overhead camshaft — The camshaft of an aircraft reciprocating engine, located above the cylinder head, which operates the valves directly without the aid of the push rods …   Aviation dictionary

  • overhead valve engine — noun an internal combustion engine in which the cylinder head contains the inlet and exhaust valves. Abbrev.: o.h.v. engine …  

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