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This improves fuel efficiency by not wasting power on driving the fan unnecessarily. On modern vehicles, further regulation of cooling rate is provided by either variable speed or cycling radiator fans. Electric fans are controlled by a thermostatic switch or the engine control unit. Electric fans also have the advantage of giving good airflow ...
Engine fan with viscous drive. A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine.
A fan coil unit (FCU), also known as a Vertical Fan Coil Unit (VFCU), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or central plant cooling.
On slow-moving delivery vehicles and boats, there was often no suitable air slipstream for the road draught tube. In these situations, the engines used positive pressure at the breather tube to push blow-by gases from the crankcase. Therefore, the breather air intake was often located in the airflow behind the engine's cooling fan. [1]
By Leah Douglas and Julie Steenhuysen (Reuters) -California's public health department reported a possible case of bird flu in a child with mild respiratory symptoms on Tuesday, but said there was ...
“When you think about the long sweep of it, the number of public servants – people with a .gov email who work for the federal government – has been basically static as the responsibility ...
Ukraine's foreign ministry said on Sunday that reports Kyiv was informed in advance of a phone call between U.S. President- elect Donald Trump and Russian President Vladimir Putin were false. The ...
The Terracan has also been built and sold in China from 2003 to 2011 under the Hawtai brand in a joint venture with Hyundai that lasted up to 2010. Only the facelifted version was available there, and came with the 2.4 liter 4G64 , a 2.5 liter diesel, 2.9 liter J-Series diesel, or the 3.5 liter Sigma V6 engine .