Back to results
US 10,244,910 B2Granted
Dust and allergen control for surface cleaning apparatus
AssigneeOmachron Intellectual Property Inc.
InventorWayne Ernest Conrad
Life of this patent
Estimating the term…
Abstract
A surface cleaning apparatus has an air flow path extending from a dirty air inlet to a clean air outlet with a main air treatment member having a dirt collection region having an openable door and a main suction motor provided in the air flow path. The dirt collection region is exposed to sub-atmospheric pressure when the openable door is in an open position.
Claims18
A surface cleaning apparatus comprising:
- a) an air flow path extending from a dirty air inlet to a clean air outlet and comprising a main air treatment member having a dirt collection region having an openable door;
- and,
- b) a main suction motor provided in the air flow path,
- wherein the dirt collection region is exposed to sub-atmospheric pressure when the openable door is in an open position, and
- wherein the main suction motor is utilized to provide the sub-atmospheric pressure to the dirt collection region.
2 more elements
A surface cleaning apparatus comprising:
- a) an air flow path extending from a dirty air inlet to a clean air outlet and comprising a main air treatment member having a dirt collection region having an openable door wherein the dirt collection region has an opening when the openable door is in an open position;
- b) a main suction motor provided in the air flow path;
- and,
- c) an emptying mode suction motor which provides sub-atmospheric pressure to the dirt collection region when the openable door is in an open position,
- wherein the emptying mode suction motor draws air from the dirt collection region other than through the opening when the openable door is in an open position.
2 more elements
Dependencies are inferred from the claim text.