| What was unthinkable many years ago had suddenly | | | | It wasn’t until the 1990’s this invention was |
| become all the rage in the world of vacuum cleaners. | | | | applied to household units by the now-defunct |
| The bag-less vacuum cleaner, once thought of as an | | | | Fantom Company of Canada.Another type of |
| impossible dream, has now become a profitable | | | | bag-less vacuum cleaner uses the "dirt cup" and is |
| reality. Although still in its infancy, the bag-less | | | | found mostly in commercial units. Used successfully |
| vacuum cleaner is gaining in acceptance around the | | | | for over 30 years, these bag-less vacuum cleaners |
| world. The current style uses an internal system | | | | use no disposable bags but are not cyclonic. Debris |
| called Filtered Cyclonic, a descriptive phrase that | | | | and dust is filtered from the air stream by a cloth |
| describes the means of separating the dirt and dust | | | | bag similar to the early designs. |
| from the incoming air stream. The filtered cyclonic | | | | The difference here is that this bag collects the dust |
| invention uses a directional air pattern to spin the | | | | and debris on an inner wall inside the bag and forms |
| vacuumed dirt inside a cylinder, forcing the heavier | | | | what is called a "filtering dirt cake". The vibration of |
| and larger particles against the wall of the cylinder | | | | the motor and general movement of the machine |
| where they drop to the bottom of the collection bin. | | | | causes the dirt cake to fall off when it reaches a |
| The faster and faster the dirty air spins, the better | | | | critical mass of weight and it lands in the dirt cup |
| the separation with only the smaller, lighter particles | | | | which can be easily removed, cleaned and reinserted |
| remaining in the middle. These leftover particles are | | | | back into the machine. It is only recently that the dirt |
| then sent through the device by the outgoing air | | | | cup bag-less vacuum cleaner has been introduced as |
| stream, through a filter designed to remove them | | | | a household cleaner. |
| from the air before it exits the back of the machine. | | | | |