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  2. Actual cubic feet per minute - Wikipedia

    en.wikipedia.org/wiki/Actual_cubic_feet_per_minute

    Actual cubic feet per minute (ACFM) is a unit of volumetric flow. It is commonly used by manufacturers of blowers and compressors. [1] This is the actual gas delivery with reference to inlet conditions, whereas cubic foot per minute (CFM) is an unqualified term and should only be used in general and never accepted as a specific definition without explanation.

  3. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    The motor size constant and motor velocity constant (, alternatively called the back EMF constant) are values used to describe characteristics of electrical motors. Motor constant [ edit ]

  4. Automotive air conditioning - Wikipedia

    en.wikipedia.org/wiki/Automotive_air_conditioning

    New cars produced in the early 1990s contained the new refrigerant in their air conditioning systems. Owners of older cars with R-12 systems would either have to invest in an R-12 to R-134a conversion system, buy a new car, or find a qualified technician to recharge their older R-12 system. R-134a has been used in cars for almost 30 years.

  5. Standard cubic feet per minute - Wikipedia

    en.wikipedia.org/wiki/Standard_cubic_feet_per_minute

    Actual cubic foot per minute (ACFM) is the volume of gas flowing anywhere in a system, taking into account its temperature and pressure. If the system were moving a gas at exactly the "standard" condition, then ACFM would equal SCFM. This usually is not the case as the most important change between these two definitions is the pressure.

  6. NEMA size - Wikipedia

    en.wikipedia.org/wiki/NEMA_size

    NEMA size Max. continuous amperes Max. HP at 200 V, AC Max. HP at 230 V, AC Max. HP at 480/575 V, AC ... Motor starter; References This page was ...

  7. Vehicle size class - Wikipedia

    en.wikipedia.org/wiki/Vehicle_size_class

    Vehicle size classes are series of ratings assigned to different segments of automotive vehicles for the purposes of vehicle emissions control and fuel economy calculation. . Various methods are used to classify vehicles; in North America, passenger vehicles are classified by total interior capacity while trucks are classified by gross vehicle weight rating (GV

  8. AC motor - Wikipedia

    en.wikipedia.org/wiki/AC_motor

    An AC motor is an electric motor driven by an alternating current (AC). The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field , and an inside rotor attached to the output shaft producing a second rotating magnetic field.

  9. Category:AC motors - Wikipedia

    en.wikipedia.org/wiki/Category:AC_motors

    AC motor; I. Induction motor; L. Langston motor; R. Repulsion motor; S. Shading coil; U. Universal motor This page was last edited on 20 December 2019, at 01:04 ...