Hand vacuum cleaner

Claim 1

A hand-held vacuum cleaner including a housing comprising mating first and second half housing elements, said housing having a handle and a nozzle, a motor having means for drawing cooling air through the motor, a selectively-separable bag assembly, a working air channel for communicating working air from said nozzle to said bag assembly, and a motor mount portion receiving said motor and spaced from said working air channel by a motor mount portion peripheral wall; said motor mount portion including a peripheral motor cooling air intake chamber, a peripheral motor cooling air exhaust chamber and a peripheral baffle wall extending from a housing outer wall to contiguous engagement to said motor, said housing outer wall including a plurality of air inlet vents at said cooling air intake chamber, oppositely disposed in said first and second half housing elements, for cooling air inflow to said motor from said first and second half housing elements, and air outlet vents at said cooling air exhaust chamber, oppositely disposed in said first and second half housing elements for cooling air exhaust from said motor through said first and second housing elements, said inlet and outlet vents being oppositely spaced about said baffle wall, said means for drawing cooling air through the motor causing the cooling air to enter said inlet vents and chamber and exit the outlet chamber and vents; said sealing peripheral wall adjacent said working air channel sealing said intake and exhaust chambers from said channel to preclude cooling air in said cooling air intake and exhaust chambers from mixing with working air in said working air channel.