Sunday, 19 May 2024, 8:50 PM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
P
Pulse GeneratorInductive electronic device that provides information to the ignition amplifier or ECU on engine position. |
Pulse ShapingThe action carried out in an ECU to a signal from a sensor. For example, a sine wave may be changed to a square wave. |
Pulse WheelToothed sensor wheel used to induce or affect electrical currents in magnetic inductive pulse generators, such as engine speed and position sensors. |
Pulse WidthThe operating phase of an actuator when it is energised by an electronic control unit. |
PumpDevice that is electrically or mechanically driven to pressurize a fluid or gas. |
PunctuationThe use of marks and signs to form words, sentences, paragraphs etc. |
Purge ValveThe valve in a fuel vapour evaporative system operated from the ECM under specific conditions to draw air back through the evaporative canister. An emission control device to prevent hydrocarbon fuel vapours from the fuel tank escaping into the atmosphere. |
Push FitThe relationship between the dimensions of two components where one fits inside the other. In this instance the fit is one where the inner dimension of the outer component is the same as the outer dimension of the inner component. Also known as a transition fit. |
Push RodA rod that transfers movement from a cam follower to a rocker arm. |
PWRPower to Weight Ratio |