A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 5/36 (2006.01) A47L 5/14 (2006.01) A47L 9/00 (2006.01)
Patent
CA 2619658
A pneumatic cleaner (10) that can be worn as a backpack has a reduced unit overall depth. The impeller shaft (53) is mounted at an acute angle. Tangential airflow chambers (67,80,86) are disposed around the motor assembly (42) and substantially surround the impeller (53) . Two of the airflow chambers (80,86) extend substantially the entire overall unit depth, and have lateral lengths that exceed the overall unit depth.
L'invention concerne un nettoyeur pneumatique pouvant être porté comme un sac à dos possédant une profondeur unitaire globale réduite. Les chambres de débit d'air tangentiel sont disposées autour de l'ensemble moteur et entourent sensiblement la turbine. Deux chambres de débit d'air s'étendent sensiblement sur tout la profondeur unitaire globale, et possède des longueurs latérales supérieures à la profondeur unitaire globale.
Crevling Robert Lent
Kepner Matthew S.
Seasholtz Craig A.
Shop-Vac Corporation
Smart & Biggar
LandOfFree
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