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2. NuTone - Wikipedia

   en.wikipedia.org/wiki/NuTone

   NuTone became a publicly traded company in 1955. Other NuTone-created products included the residential kitchen ventilator hood and built-in kitchen countertop appliances. In 1967, when the Corbetts sold their interest in the company to the Scovill Manufacturing Company, [2] NuTone was the largest American producer of home electrical products.

3. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

4. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

5. On Today's Date: A World Record 24-Hour Temperature ... - AOL

   www.aol.com/news/todays-date-world-record-24...

   The previous morning, the same observer recorded a low of 54 degrees below zero.That 103-degree temperature change is not only America's highest 24-hour temperature change, but it's also a world ...

6. Beyoncé Postpones Major Announcement After Donating $2 ... - AOL

   www.aol.com/beyonc-postpones-major-announcement...

   Fans had been speculating about what the Jan. 14, mystery could be ever since she teased the date in a cryptic video on Christmas Day. Having wowed with her halftime show on Dec. 25, ...

7. Gabriel Jesus' knee injury 'not looking good,' says Arsenal ...

   www.aol.com/gabriel-jesus-knee-injury-not...

   Gabriel Jesus' knee injury is “not looking good,” Arsenal manager Mikel Arteta said Tuesday. The Brazil striker was taken off after 40 minutes in Arsenal's FA Cup loss to Manchester United on ...

8. Scavenging (engine) - Wikipedia

   en.wikipedia.org/wiki/Scavenging_(engine)

   Scavenging is the process of replacing the exhaust gas in a cylinder of an internal combustion engine with the fresh air–fuel mixture (or fresh air, in the case of direct-injection engines) for the next cycle. If scavenging is incomplete, the remaining exhaust gases can cause improper combustion for the next cycle, leading to reduced power ...

9. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   The motor is either hidden in the fan's center hub or extends behind it. For big industrial fans, three-phase asynchronous motors are commonly used, may be placed near the fan, and drive it through a belt and pulleys. Smaller fans are often powered by shaded pole AC motors, or brushed or brushless DC motors. AC-powered fans usually use mains ...