Mini USB Fan 4 Inch

Ref Price:
$12.36 - 32.96 / pc
Loading Port:
Ningbo
Payment Terms:
L/C,T/T
Min Order Qty:
20 Pieces pc
Supply Capability:
4000 Pieces per Day pc/month

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Product Description:

BRAND:                                       HONGYAO 

MODEL:                                       HY-716

WINND CLASS SELECTOR: Ordinary wind

MATERIAL :                         PIASTIC

Applicable promotional gifts, business gifts, holiday, memorial awards, exhibitions, anniversary celebrations, the opening ceremony, employee benefits, public relations planning, other.

 

remark:

 

1) this quotation is the product quote FOB ningbo tax, and tax inclusive of delivery charges, the factory of the conventional color box packaging (including instructions); Products can be customized LOGO, packing, the cost need to further communication

 

2) payment terms 30% advance payment, 70% of the balance is paid in full before shipment

 

3) the product through the CE ROHS certification CCC

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Q:Why does the fan seem to spin backwards when it spins?
Because the human eye to object displacement to distinguish between 0.1s, and 0.1s when the fan turn fast may turn 350 degrees, looks like reversal of 10 degrees, so add up, like upside down
Q:Why do most fans only have 3 blades?
We usually use the fan for axial fan, the blade is odd, this is because if the even shape symmetrical blades, and no adjustment of balance, it is easy to make the system resonance occurs, if the blade material is unable to resist fatigue due to vibration, will cause the blade or the spindle is broken, so odd pieces of the fan blade design on asymmetric multi axis design
Q:Why can an electric fan choose only 123 winds, and this discrete value instead of zero to three continuous type?
Because, for example, Class 1.5, the volume of air can be settled by the distance between the fan and the person.
Q:What is the difference between air conditioner speed regulation and electric fan speed regulation?
The difference between them is reflected in the range of speed regulation with a fixed torque load. Two, the motor efficiency is reflected at different speeds. Three, the torque is expressed at different speeds.
Q:What is the principle of an automatic fan head swing back and forth?
The second is to rely on the synchronous motor (with reducer) of the electric fan head swinging, rotating direction of synchronous motor is random, when the resistance will automatically change the direction of rotation, when the swing head to set the position of the synchronous motor will be blocked after back, thus forming a pendulum head phenomenon.
Q:Can the electric fan blow to the notebook computer?
External radiator is the best exhaust style, exhaust radiator, the best is the ETS five generation.
Q:What is the function of the fan blade?
Fewer leaves are likely to produce greater wind pressure, but the noise is greater, while the number of leaves is the opposite
Q:Where does the wind from the electric fan come from?
The air passes through the fan blade, because it is oblique, and when the air passes, the fan leaves the air straight, while the other side takes a diagonal line with the blade
Q:How to pick an electric fan?
The advantage of the large fan is that the fan blade is long and the radiating area is large, so the gas flow rate is larger. But if not properly designed, the cooling capacity of a large fan may not be as good as that of a small fan
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.

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