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Q:What is the principle of a vaneless fan?
No leaf fan operation, the motor base in the first air inhaled from many hole edge, then the air pushed upward into the hollow pipe ring, the pipe on the side of the thick, with a ring of narrow slit, the air ejected from the slot; at the Bainuliding law, these the air flow will produce a lower pressure in the middle ring, thus driving the rear ring, on the surrounding air flows toward the front of the ring together, blowing.
Q:What is the working principle of an electric fan?
When the electric fan works, because the electric current passes through the coil of the fan, the wire is provided with resistance, so it will inevitably generate heat and release heat outwards, and the temperature will rise naturally.
Q:What are the new electric fans?
Four fan: electric fan can be used to produce the seasons in Germany, equipped with far infrared heaters and negative ion generator, can send cool summer and winter hot air, throughout the year to send negative ion wind, has sent cool heating, air purification, disease prevention and health care effect.
Q:What are the advantages and disadvantages of the vaneless fan?
The base of a fan without leaves determines that the diameter of the fan blades inside it is usually small, so that the same amount of air as the ordinary fan must be made to turn the blade faster, so the noise will be greater
Q:Have you been driving the fan, more electricity or more air conditioning?
If you want to use a fan, then put a basin of cold water on the ground in front of the fan in the room, and the cooling effect will be better.
Q:Fans can shake their heads, but fan leaves do not turn, where is the reason?
Most of the motor burn is accompanied by lack of oil in main shaft.
Q:What are the types of electric fans?
Household electric fan: a fan, fan, fan, wall fan, ceiling fan, fan, fan, air conditioning fan (i.e. cooling fan); Taishan and shook his head and shook his head: some fan; fan in the head and turn the page
Q:Which items should we pay attention to selecting electric fans?
Appearance quality requirements, modeling, lines, colors, beautiful and generous. Electroplating requirements smooth and glossy, no yellow, no rust, peel and water phenomenon.
Q:How to measure the quality of fan motors with digital multimeter?
The data is related to the material of the line and the power of the motor. And your motor is endless.
Q:Where does the wind from the electric fan come from?
The Bernoulli principle. Just like an airplane has wings,