IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0057666
(2016-03-01)
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| 등록번호 |
US-10251519
(2019-04-09)
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발명자
/ 주소 |
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| 출원인 / 주소 |
- Omachron Intellectual Property Inc.
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| 대리인 / 주소 |
Mendes da Costa, Philip C.
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| 인용정보 |
피인용 횟수 :
0 인용 특허 :
159 |
초록
▼
A surface cleaning apparatus comprises a surface cleaning head, an upright section movably mounted to the surface cleaning head between a storage position and a floor cleaning position and a hand vacuum cleaner removably mounted to the upright section wherein the surface cleaning head has a first su
A surface cleaning apparatus comprises a surface cleaning head, an upright section movably mounted to the surface cleaning head between a storage position and a floor cleaning position and a hand vacuum cleaner removably mounted to the upright section wherein the surface cleaning head has a first suction motor and the hand vacuum cleaner has a second suction motor, the first suction motor and second suction motor co-operate to convey air through the surface cleaning apparatus.
대표청구항
▼
1. A stick vacuum cleaner comprising: a) a surface cleaning head having a dirty air inlet;b) an air flow path extending from the dirty air inlet to a clean air outlet;c) a rigid air flow conduit moveably mounted to the surface cleaning head between a storage position and a floor cleaning position,d)
1. A stick vacuum cleaner comprising: a) a surface cleaning head having a dirty air inlet;b) an air flow path extending from the dirty air inlet to a clean air outlet;c) a rigid air flow conduit moveably mounted to the surface cleaning head between a storage position and a floor cleaning position,d) a first suction motor in the air flow path downstream from the dirty air inlet and upstream from the clean air outlet, the first suction motor is disposed in the surface cleaning head or on the rigid air flow conduit; and,e) a hand vacuum cleaner comprising a handle, an air inlet, an air treatment member having an air treatment member air inlet and a second suction motor downstream from the air treatment member and upstream from the clean air outlet, the hand vacuum cleaner is removaby mounted to a downstream end of the rigid air flow conduit, wherein when the hand vacuum cleaner is mounted to the rigid air flow conduit, the handle is drivingly connected to the surface cleaning headwherein, when the hand vacuum cleaner is mounted to a downstream end of the rigid air flow conduit, the first and second suction motor are operational in series. 2. The stick vacuum cleaner of claim 1, wherein the first suction motor and second suction motor co-operate to convey air through the air treatment member to the clear air outlet. 3. The stick vacuum cleaner of claim 1, wherein a portion of the air flow path extending from the first suction motor to the second suction motor is at a pressure less than atmospheric pressure when the first and second suction motors are in use. 4. The stick vacuum cleaner of claim 3, wherein when the first and second suction motors are in use, the air pressure at the air inlet of the hand vacuum cleaner is less than atmospheric pressure. 5. The stick vacuum cleaner of claim 3, wherein when the first and second suction motors are in use, the air pressure at the air inlet of the hand vacuum cleaner is less than 2 inches of water. 6. The stick vacuum cleaner of claim 1, wherein all of the air flow path extending from the first suction motor to the second suction motor is at a pressure less than atmospheric pressure when the first and second suction motors are in use. 7. A surface cleaning apparatus comprising: a) a surface cleaning head having a dirty air inlet;b) an air flow path extending form the dirty air inlet to a clean air outlet;c) an upright section movably mounted to the surface cleaning head, the upright section moveable between a storage position and a floor cleaning position,d) a first suction motor in the air flow path downstream from the dirty air inlet and disposed in one of the surface cleaning head and the upright section;e) a portable vacuum cleaner unit in the air flow path downstream from the first suction motor and comprising an air inlet, an air treatment member having an air treatment member air inlet and a second suction motor downstream from the air treatment member and upstream from the clean air outlet, the first suction motor and second suction motor co-operate to convey air through the air treatment member to the clear air outlet; and,f) a power switch on the portable vacuum cleaner unit, wherein when the portable vacuum cleaner unit is attached to the upright section, the power switch controls operation of the first suction motor and the second suction motor, and when the portable vacuum cleaner unit is detached from the upright section, the power switch controls operation of the second suction motor. 8. The apparatus of claim 7, wherein the portable vacuum cleaner unit is detachably mounted to the upright section and the surface cleaning apparatus is operable in a floor cleaning mode in which the portable vacuum cleaner unit is mounted to the upright section and the portable vacuum cleaner unit is operable in a portable mode wherein the portable vacuum cleaner unit is detached from the upright section. 9. The apparatus of claim 7, wherein the first suction motor is disposed within the surface cleaning head. 10. The apparatus of claim 9, wherein the surface cleaning head further comprises a rotatable brush positioned adjacent the dirty air inlet and a brush motor drivingly connected to the rotatable brush. 11. The apparatus of claim 10, wherein the rotatable brush rotates about a brush axis and the first suction motor rotates about a first motor axis that is generally parallel to the brush axis. 12. The apparatus of claim 11, wherein the brush motor rotates about a brush motor axis that is parallel to the brush axis and the first motor axis. 13. The apparatus of claim 10, wherein the surface cleaning head further comprises an inlet air passage extending from the dirty air inlet to the first suction motor wherein at least a portion of the inlet air passage extends underneath the brush motor. 14. The apparatus of claim 7, wherein the portable vacuum cleaner unit comprises the clean air outlet and the vacuum cleaning unit further comprises a pre-motor filter positioned external to the air treatment member and positioned in the air flow path downstream from the air treatment member and upstream from the second suction motor, and a post-motor filter is positioned in the air flow path downstream from the second suction motor and upstream from the clear air outlet. 15. The apparatus of claim 7, wherein the air treatment member comprises a cyclone. 16. The apparatus of claim 7, wherein a portion of the air flow path extending from the first suction motor to the second suction motor is at a pressure less than atmospheric pressure when the first and second suction motors are in use. 17. The apparatus of claim 7, wherein all of the air flow path extending from the first suction motor to the second suction motor is at a pressure less than atmospheric pressure when the first and second suction motors are in use. 18. The apparatus of claim 17, wherein when the first and second suction motors are in use, the air pressure at the air inlet of the portable vacuum cleaner unit is less than atmospheric pressure. 19. The apparatus of claim 17, wherein when the first and second suction motors are in use, the air pressure at the air inlet of the portable vacuum cleaner unit is less than 2 inches of water. 20. The apparatus of claim 17, wherein when the first and second suction motors are in use, the air pressure at the air treatment member air inlet is less than atmospheric pressure. 21. The apparatus of claim 17, wherein when the first and second suction motors are in use, the air pressure at the air treatment member air inlet is less than 2 inches of water. 22. The apparatus of claim 7, wherein a portion of the air flow path between the dirty air inlet and the air treatment member is free from physical media filtration members. 23. The apparatus of claim 7, wherein the upright section comprises a rigid wand having an upstream end connected to the surface cleaning head and forming part of the air flow path, the portable vacuum cleaner unit comprises a hand vacuum cleaner that is detachably mounted to an opposed downstream end of the rigid wand, and the rigid wand provides fluid communication between the first suction motor and the portable vacuum cleaner unit. 24. The apparatus of claim 23, wherein the portable vacuum cleaner unit further comprises a handle drivingly connected to the surface cleaning head. 25. The apparatus of claim 23, wherein the portable vacuum cleaner unit comprises a first power source to provide power to the second suction motor, and wherein the rigid wand comprises electrical connectors to transfer power from the portable vacuum cleaner unit to the surface cleaning head to power the first suction motor. 26. The apparatus of claim 25, wherein the portable vacuum cleaner unit is detachably mounted to the upright section and further comprising a power switch to control operation of the second suction motor, wherein the power switch is provided on and detachable with the portable vacuum cleaner unit, and wherein when the portable vacuum cleaner unit is mounted to the upper section the power switch also controls operation of the first suction motor. 27. The apparatus of claim 7, wherein the portable vacuum cleaner unit comprises a first power source to provide power to the second suction motor, and wherein the surface cleaning head comprises a second power source disposed within the surface cleaning head to provide power to the first suction motor.
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