Sunday, 19 May 2024, 3:38 PM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
P
PTCPending Trouble Code |
PTO - Power Take OffA supplementary drive from a vehicle transmission that is used to drive to auxiliary units. |
Pull-in WindingA winding in a starter motor solenoid that actuates the solenoid to pull the switch contacts together. It is often earthed through the armature so that the drive pinion rotates as it moves into mesh with starter ring gear. |
Pull-off SpringA simple return spring to open or close something after it is switched off. |
PullerA tool for applying a pulling force. For example, to remove a gear from a shaft. |
PulleysUsed to transmit or receive drive from a belt. The alternator pulley is a good example. |
PulsationOn/off or increase/decrease in pressure or position. |
Pulsation DamperAny device, such as a hydraulic accumulator, for damping pulsations in a fluid system, as for example the pressure pulses from a fuel pump. |
PulseA change in electrical or mechanical signal. |
Pulse Air InjectionAn emission control system that uses exhaust pressure pulsations to draw air into the exhaust gas flow to increase the available oxygen in the catalytic converter. |