A Good Vaccum Without an Odor? I'm looking for a vaccum for my home that doesn't have a...

I'm looking for a vaccum for my home that doesn't have a "smell" to it. Every time I vaccum, it fill my home with a grotesque smell. I am very sensitive to smells. Any suggestions?
GE Auto Clean Oven?
Answers:    Keeping your vacuum backpack changed often. What I do I enjoy two dogs and the fur gets within the vacuum bag and it smells after a while. To clear the vacuum bag later longer I put baking soda in the vacuum backpack.
A nouns of laundry go through the dust...
I have a rainbow, its fairly expensive but it is worth it