valve timing
21timing valve — noun : an adjustable valve in a gas engine with hot tube ignition that automatically opens to permit a portion of the compressed explosive mixture to enter the ignition tube and so cause ignition at any desired point of the stroke compare timer… …
22Variable valve actuation — Variable Valve Actuation, or VVA, is a generalised term used to describe any mechanism or method that can alter the shape or timing of a valve lift event within an internal combustion engine. There are many ways in which this can be achieved,… …
23Variable Cam Timing — Variable Camshaft Timing (VCT) is an automobile variable valve timing technology developed by Ford. It utilizes electronically controlled hydraulic valves that direct engine oil into the camshaft phaser cavity. These oil control solenoids are… …
24Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …
25Variable Valve Control — VVC (Variable Valve Control) is an automobile variable valve timing technology developed by Rover and applied to some high performance variants of the companies K Series 1800cc engine.In order to improve the optimisation of the valve timing for… …
26I-Active Valve Lift System — (AVLS) is an automobile variable valve timing technology used by Subaru. It varies the duration, timing and lift of the intake valves by using hydraulic pressure to lock two sets of independent camshaft lobes together. This system is similar to… …
27Bulleid chain-driven valve gear — and were based upon motor vehicle practice in an attempt to create a compact, but efficient design with a minimum of service requirements. Design principles Oliver Bulleid s decision to have three cylinders, all driving the middle coupled axle of …
28Variable Valve Event and Lift — Nissan Variable Valve Event and Lift (commonly known as VVEL) is an automobile variable valve timing technology developed by Nissan. Nissan VVEL was introduced with the Nissan VQ Engine VQ37VHR in 2007 on the Infiniti G37. VQ37VHR motor specs: 11 …
29Poppet 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… …
30Multi-valve — A cylinder head of a four valve engine. ( Nissan VQ engine ) In automotive engineering, a multi valve (or multivalve) engine is one where each cylinder has more than two valves. A multi valve engine has better breathing and can spin at higher rpm …
