Vacuum cleaner
First Claim
Patent Images
1. A vacuum cleaner comprising:
- a suction unit;
a blower for sucking dust from said suction unit;
a dust scraper disposed in said suction unit;
an electric motor for driving said dust scraper about an axis of the dust scraper; and
an exhaust passage for conveying exhaust of said blower to said electric motor to cool said electric motor.
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Accused Products
Abstract
In the invention, a brush body 30 that is rotated and driven by a motor 32 is disposed in a suction unit 2, and dust is sucked from the suction unit 2 by a blower 4, while exhaust of the blower 4 is sent to the suction unit 2 side through an exhaust passage 27. While the exhaust of the blower 4 is blown to the motor 32 exhaust is blown to the floor for lifting the dust from the floor to enhance the dust collection efficiency, and moreover, if the output of the motor 32 for driving the brush 30 is increased, temperature rise of the motor 32 can be suppressed, and thus durability may be enhanced.
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Citations
15 Claims
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1. A vacuum cleaner comprising:
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a suction unit;
a blower for sucking dust from said suction unit;
a dust scraper disposed in said suction unit;
an electric motor for driving said dust scraper about an axis of the dust scraper; and
an exhaust passage for conveying exhaust of said blower to said electric motor to cool said electric motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vacuum cleaner comprising:
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a suction unit;
a blower for sucking dust from said suction unit;
a dust scraper disposed in said suction unit;
a motor for driving said dust scraper about an axis of the dust scraper; and
an exhaust passage for conveying exhaust of said blower to said motor to cool said motor, wherein said suction unit includes an intake unit in fluid communication with said blower and an exhaust unit in fluid communication with said blower, and wherein said intake unit is provided at one end of said suction unit and said exhaust unit is provided at an opposite end of said suction unit such that upon operation of said blower an air stream flowing from said exhaust unit to said intake unit is generated.
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11. A vacuum cleaner comprising:
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a main body to house a battery;
an intake port at a front side of said main body;
at least one of a dust collection chamber and a blower positioned behind said intake port; and
a handle to be interconnected with said main body such that said handle is capable of one of rotating and sliding along an outer periphery of said main body, wherein when said handle is interconnected with said main body said handle is capable of one of rotating and sliding along an outer circumference of said main body. - View Dependent Claims (12, 13, 14, 15)
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Specification