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1 PVA
1) Американизм: Port Vulnerability Assessment2) Военный термин: Patriotic Voice of America3) Техника: performance variation analysis4) Сельское хозяйство: A-вирус картофеля, АВК5) Математика: Patterned Vertical Alignment6) Бухгалтерия: Present Value Analysis7) Автомобильный термин: ported vacuum advance8) Музыка: Pedal Volume Adjustment9) Физика: Powerful Vacuum Action10) Физиология: Patient Visit Average11) Электроника: Polyvinylacetate12) Вычислительная техника: Packetized Video Audio, Patterned Vertical Alignment (LCD, Sun, Samsung)14) Транспорт: Passenger Vessel Association15) Деловая лексика: Purpose Values Activities16) Полимеры: polyvinyl acetate, polyvinyl alcohol17) Пластмассы: Poly Vinyl Acrylic18) Макаров: ПВС, поливиниловый спирт19) Общественная организация: Paralyzed Veterans of America, Participating Voluntary Agency, Prevent Blindness America20) Должность: Property Valuation Administrator21) NYSE. PENN VA Corporation22) НАСА: Production Verification Audit
См. также в других словарях:
ported vacuum advance — (PVA) A series of restriction devices between the distributor advance unit and the carburetor advance port to ensure that there is no vacuum advance during idle, but increasing ignition advance as the throttle opens … Dictionary of automotive terms
vacuum advance — A mechanism on the side of the distributor that automatically varies the instant at which the spark occurs as a function of intake manifold vacuum. Vacuum advance provides the additional advance that is needed when the engine is operating at part … Dictionary of automotive terms
advance — [1] The act of changing the ignition timing so that the spark occurs earlier in the cycle. The opposite is retard. [2] It may refer to the device which makes this adjustment. Also see automatic advance centrifugal advance electronic spark advance … Dictionary of automotive terms
vacuum — An enclosed area in which the air pressure is below that of the surrounding atmospheric pressure. See air valve carburetor constant vacuum manifold vacuum ported vacuum advance pulse vacuum hublock venturi vacuum … Dictionary of automotive terms
Vacuum switch — Prior to effective engine computers, engine vacuum was used for many functions in an automobile. Vacuum switches were employed to regulate this flow, and were commonly controlled by temperature, solenoids, mechanically, or directly. They operated … Wikipedia
vacuum delay valve — (VDV) a valve used by GM to bleed ported vacuum to the vacuum advance unit through a small orifice and control vacuum advance rate. Used to retard or delay the application of a vacuum signal. Also called delay valve … Dictionary of automotive terms
thermal vacuum switch — (TVS) [1] measures either air/fuel temperature, underhood temperature, or coolant temperature, or a combination of any two to regulate the EGR valve accordingly. [2] A temperature sensitive switch that shifts the source of the advance from ported … Dictionary of automotive terms
PVA — Acronym for ported vacuum advance … Dictionary of automotive terms
Ignition timing — in an internal combustion engine is the process of setting the time that a spark will occur in the combustion chamber (during the power stroke) relative to piston position and crankshaft angular velocity. Setting the correct ignition timing is… … Wikipedia
Chevrolet small-block engine — Chevrolet Small Block V8 engine Manufacturer: General Motors Production: 1955–2003 Successors: GM LT engine, GM LS engine Type: small block V8 265 Produ … Wikipedia
thermal ignition control — (TIC) device used by Chrysler that shifts the vacuum advance vacuum source from ported vacuum to manifold vacuum when coolant temperature exceeds 225° F … Dictionary of automotive terms