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.
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.
14 Citations
30 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. 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;
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 storage container;
a second motor and fan unit mounted in the housing and operatively associated with the storage container for drawing dirt laden air from the cleaning head through the passageway and into the dirt storage container simultaneously in series with operation of the first motor unit;
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;
the housing having a holster for receiving the second nozzle when not in use; and
a flow cut-off member mounted in the housing passageway so as to close off the passageway leading from the suction nozzle in the cleaning head to the storage container housing passageway when the second nozzle is being utilized, the flow cut-off member being positioned so that the hose passageway stays in communication with the storage container when the second nozzle is utilized. - View Dependent Claims (15)
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16. 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;
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;
a dirty air motor and fan unit mounted in the vacuum cleaner including a dirty air motor, a first fan mounted in the passageway through which the dirty air passes from the suction nozzle, the first fan having an outlet through which the dirty air passes into the passageway toward the dirt storage container, the dirty air motor and fan unit also having a second fan operatively associated with the dirty air motor which passes cooling clean air through the dirty air motor to cool it; and
a clean air motor and fan unit mounted in the housing and having a clean air motor and a clean air fan having a suction inlet 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 and for drawing clean air from the dirt storage container simultaneously in series with operation of the dirty air motor and fan unit. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. 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;
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;
a dirty air motor and fan unit mounted in the vacuum cleaner including a dirty air motor, a dirty air fan mounted in the passageway through which the dirty air passes from the suction nozzle, the dirty air fan having an outlet through which the dirty air passes into the passageway toward the dirt storage container;
and a clean air motor and fan unit mounted in the housing and having a clean air motor and a clean air fan having a suction inlet 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 and for drawing clean air from the dirt storage container; and
a switch operatively associated with the clean and dirty air motor and fan units to allow manual selection of operating only the clean air motor and fan unit or both the clean and dirty air motor and fan units together to draw dirt laden air from the suction nozzle of the cleaning head. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification