The two styles of motors are a flow-through motor and a bypass motor. They each include advantages, and they both possess drawbacks. Let's consider each.
Whenever you think of vacuum cleaners with immense suction, you are considering a vacuum cleaner having a flow-through motor. All canister style vacuum cleaners have a flow-through motor. These are known as this because the air flow is sucked in a straight line through the heart of the motor. This really is the most efficient use of the energy given the motor, and produces the greatest suction.
As an example ,, the cheapest, smallest, worst vacuum cleaner having a flow-through motor has more powerful suction than the most powerful and pricey vacuum cleaner having a bypass motor.
Right away, you really need to comprehend this: Suction definitely is not the thing that cleans. Suction is the measuring the strength of the air passing through the motor. One example is, you can pick up a heavy bowling ball with just about any canister vacuum cleaner. The suction is tough enough to pick up the bowling ball without problems. But there is no air movement, and air movement is what picks up the dirt and pet hair.
Therefore, canister vacuum cleaners with a flow-through motor can have better suction at the tools than just about any upright with a by-pass motor. The distinction is obvious.
The flow-through motor requires all the paper bags and filters to be in front of it in the air stream. The motors usually are not able to withstand dirt passing through the motor. As a result, you will find this motor in canister vacuums, and in a number of upright vacuums where the air flows through the paper liner before it flows into the motor.
The bypass motor is named "bypass" because the air flow and dirt flow around the motor. These motors are used in several upright vacuum cleaners. The suction produced by these motors is a small percentage of the suction in a flow-trough motor. But the speed of the air flow is much better. So, vacuum cleaners with bypass motors are commonly upright vacuums with a rotating brush. The motor turns the brush quickly, and the fast airflow tosses the dust into the bag or compartment.
These motors do not need filters or bags before the motor, because the dirt and air flow go around the motor. Vacuum cleaners with this type of motor generally have the bag in back of the vacuum, with a fabric outer bag. Vacuum cleaners with hard shells surrounding the bag are usually utilizing a flow-through motor.
The perfect use of these motors is to utilize both inside the same vacuum cleaner. The bypass motor revolves the roller brush quickly, and speeds airflow into the paper liner or past the filter material. The flow-through motor produces a strong draw on the airflow to increase suction dramatically.
Consult with your local independent vacuum cleaner seller to see which design of vacuum cleaner is best for you.
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