Dual motor upright vacuum cleaner
First Claim
1. An upright vacuum cleaner, comprising:
- a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein;
a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected to the brush roller for rotating it;
an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the dirt storage container; and
a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with operation of the first motor and fan unit,wherein the first and second motor and fan units operate to move substantially the same amount of air simultaneously in the range of 80-200 CFM.
1 Assignment
0 Petitions
Accused Products
Abstract
An upright vacuum cleaner having dual cleaning motor and fan units is provided having a cleaning head engagable with a floor and a suction nozzle and a brush roller rotatably mounted therein. A first motor and fan unit is mounted in the vacuum cleaner for producing suction in the suction nozzle and is operatively connected to the brush roller for rotating it. An upright housing is connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use. Contained in the housing are a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the storage container and a second motor and fan unit operatively associated with the storage container for drawing dirt laden air from the cleaning head through the passageway and into the storage container simultaneously with operation of the first motor and fan unit.
73 Citations
11 Claims
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1. An upright vacuum cleaner, comprising:
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a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein; a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected to the brush roller for rotating it; an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the dirt storage container; and a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with operation of the first motor and fan unit, wherein the first and second motor and fan units operate to move substantially the same amount of air simultaneously in the range of 80-200 CFM. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An upright vacuum cleaner, comprising:
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a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein; a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected to the brush roller for rotating it; an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the dirt storage container; and a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with operation of the first motor and fan unit; and an at least partially flexible cleaning hose having a passageway in communication with the housing passageway and having a second suction nozzle at one end thereof. - View Dependent Claims (9)
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10. An upright vacuum cleaner, comprising:
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a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein; a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected to the brush roller for rotating it; an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the dirt storage container; and a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with operation of the first motor and fan unit; and a cut-off switch for turning off the first motor and fan unit while still allowing the second motor and fan unit to operate.
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11. An upright vacuum cleaner, comprising:
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a cleaning head engagable with a floor and having a suction nozzle and a brush roller rotatably mounted therein; a first motor and fan unit mounted in the vacuum cleaner for producing suction in the suction nozzle and operatively connected to the brush roller for rotating it; an upright housing connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use, a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the dirt storage container; and a second motor and fan unit mounted in the upright housing and operatively associated with the dirt storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously with operation of the first motor and fan unit, wherein the first motor and fan unit is mounted in the upright housing.
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Specification