Search results

• Ohv
  ...er head]] containing two [[overhead camshaft]]s, one above each of the two valves]] ...rnal combustion engine]] is one in which the entry and exit [[poppet valve|valves]] and ports are contained in the [[cylinder head]].
  1 KB (146 words) - 09:59, 27 September 2009
• DOHC
  ...hows two overhead camshafts—one above each of the two [[poppet valve|valves]].]] ...[cylinder]]s, and where there are separate camshafts for inlet and exhaust valves. In engines with more than one [[cylinder bank]], such as the [[V engine]]
  3 KB (410 words) - 14:33, 24 September 2009
• Ohc
  ...inder head]]s, above the combustion chambers, and drive the [[poppet valve|valves]] or [[lifter]]s directly instead of using [[pushrod]]s. ...engines today employ [[Variable Valve Timing]] and [[multi-valve|multiple valves]] to improve efficiency and power. OHC also inherently allows for greater e
  4 KB (549 words) - 18:19, 17 July 2009
• Valvetrain
  ...d to described the mechanisms and parts which control the operation of the valves. ...s slightly in layout but still performs the task of opening and closes the valves at the time necessary for proper operation of the engine. These layouts are
  3 KB (501 words) - 00:38, 3 December 2009
• Cylinder head
  ...g|thumb|200px|The cylinder head from a [[GMC]] [[van]]. The [[poppet valve|valves]] and part of the exhaust [[manifold (automotive engineering)|manifold]] ar ...engineering)|manifold]], for [[exhaust]] gases to travel from the exhaust valves to the exhaust manifold, and for [[antifreeze (coolant)]] to cool the head
  3 KB (415 words) - 23:56, 20 September 2009
• Camshaft
  ...or ''[[cam]]s'' protruding from it, one for each valve. The cams force the valves open by pressing on the valve, or on some intermediate mechanism, as they r ...nd the rotation of the [[crankshaft]] is of critical importance. Since the valves control the flow of fuel intake and exhaust, they must be opened and closed
  4 KB (658 words) - 19:44, 31 March 2009
• Flathead engine
  ...'' refers to an [[internal combustion engine]] that has the [[poppet valve|valves]] placed in the engine block beside the [[piston]], instead of in the [[cyl ...valve-in-block" engine. It may also lead to slighly easier cooling, as the valves and operating rods are out of the way of the cylinder, making a cooling jac
  3 KB (479 words) - 22:45, 8 September 2009
• Ducati 888
  ...ams both opening and, as opposed to springs, closing the valves--to a four valves per cylinder layout.
  1 KB (152 words) - 08:59, 8 October 2009
• Overhead cam
  ...hows two overhead camshafts—one above each of the two [[poppet valve|valves]].]] ...r head]]s, above the [[combustion chamber]]s, and drive the [[poppet valve|valves]] or [[lifter]]s in a more direct manner, when compared with [[Overhead val
  6 KB (952 words) - 17:33, 7 August 2009
• Desmodromic valve
  ...system, rather than relying on the more conventional springs to close the valves. This is in the context of [[internal combustion engine]]s. The valves in question are the ones that allow air into the cylinder and (usually diff
  3 KB (485 words) - 23:55, 15 November 2009
• Overhead camshaft
  ...inder head]]s, above the combustion chambers, and drive the [[poppet valve|valves]] or [[lifter]]s directly instead of using [[pushrod]]s. This arrangement i ...engines today employ [[Variable Valve Timing]] and [[multi-valve|multiple valves]] to improve efficiency and power. OHC also inherently allows for greater e
  5 KB (694 words) - 08:50, 8 October 2009
• Ducati 888 SUPERBIKE
  ...ams both opening and, as opposed to springs, closing the valves--to a four valves per cylinder layout.
  1 KB (160 words) - 20:53, 4 November 2009
• Poppet valve
  ...alve|Presta]] and [[Schrader valve]]s used on tires are examples of poppet valves. The Presta valve has no spring and relies on a pressure differential for o Poppet valves are used in many industrial process from controlling the flow of rocket fue
  5 KB (840 words) - 08:50, 8 October 2009
• Blowoff valve
  ...n the United States, Australia and Europe cars featuring unmuffled blowoff valves are illegal for street use. == Purpose of Relief and Blow Off Valves ==
  5 KB (742 words) - 09:19, 7 October 2009
• Piola
  ...of two-cylinder [[motorcycles]] with a 620 cc engine contrasted with side valves and a chain driven gearbox.
  654 bytes (89 words) - 08:01, 26 June 2009
• Ladetto
  ...acteristics. At the end of 1927, they also built a 250 cc engine with side valves and a three-speed [[transmission]]. In 1928 they are also presented models ...elescopic shock absorber and helical springs. The engine was a 175 cc with valves in the head and a gearbox with three speeds.
  2 KB (360 words) - 09:17, 1 November 2010
• Pushrod
  ...rm|rocker arms]] above the [[cylinder head]] to actuate the [[poppet valve|valves]]. Lifters or ''[[tappet]]s'' reside in the engine block between the camsha ...combustion engine]] is one in which the intake and exhaust [[poppet valve|valves]] and ports are contained in the [[cylinder head]].
  8 KB (1,302 words) - 08:11, 14 June 2009
• Bugatti Type 18
  ...p;L (5027 cc/306 in³) [[straight-4]] engine with [[multi-valve|3 valves per cylinder]] and a [[single overhead cam]]shaft. This large engine had a
  1 KB (153 words) - 11:18, 14 June 2009
• Pushrod engine
  ...design which places the camshafts within the cylinder head and drives the valves directly or through short rocker arms, called fingers. ...s to the cam-in-block valvetrain configuration in which the [[poppet valve|valves]] are placed in the engine block beside the [[pistons]]. The design was com
  10 KB (1,635 words) - 08:54, 4 August 2009

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