US20110064595A1 - Ever-stand fan - Google Patents
Ever-stand fan Download PDFInfo
- Publication number
- US20110064595A1 US20110064595A1 US12/561,418 US56141809A US2011064595A1 US 20110064595 A1 US20110064595 A1 US 20110064595A1 US 56141809 A US56141809 A US 56141809A US 2011064595 A1 US2011064595 A1 US 2011064595A1
- Authority
- US
- United States
- Prior art keywords
- base
- center
- motor
- upper cover
- stand fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
Definitions
- This invention relates to an electrical appliance, more particularly to an electric fan.
- One purpose of this invention is to provide an electric fan which can quickly right itself after falling down. It is this feature that is extremely convenient for people when in use.
- an ever-stand fan of this invention comprises a base and a motor.
- An upper cover, within which there is an impeller connected with the motor, is arranged over the base.
- the base has a small flat surface 11 with a curved face 12 on the periphery at the center of its bottom.
- the motor is mounted in the inner chamber of the base. The center of gravity of the ever-stand fan lies beneath the center of the base.
- a top cover is arranged over the upper cover.
- a grid is installed on the said top cover 5 to prevent oddments from going into the fan blades.
- FIG. 1 is a cross-sectional side structural view of the invention.
- an ever-stand fan of this invention comprises a base 1 and a motor 2 .
- An upper cover 3 within which there is an impeller 4 connected with the motor 2 , is arranged over the base 1 .
- the base 1 has a small flat surface 11 with a curved face 12 on the periphery at the center of its bottom.
- the motor is mounted in the inner chamber of the base 1 .
- a top cover 5 is arranged over the said upper cover 3 .
- a grid 51 is installed on the said top cover 5 to prevent oddments from going in to the fan.
- the top cover 5 and the upper cover 3 could be manufactured as a whole or as separate parts.
- the inside surface of the said upper cover 3 can be designed to be an Archimedes helicoid, an involute surface, a paraboloid, a hyperboloid or a logarithmic spiral surface.
- the inside surface of the upper cover and the peripheral surface of impeller 4 form an air duct 7 .
- the impeller 4 is of a centrifugal type, which is made up of several upright blades 41 distributed around.
- the motor 2 drives the impeller 4 to turn, the air comes into the inner chamber of the impeller from the opening of the two ends of the blades 41 and then goes out from the gap of the blades and thus forms cool air.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This invention discloses an ever-stand fan, including a base and a motor. An upper cover, within which there is an impeller connected with the motor, is arranged over the base. The base has a small flat surface with a curved face on the periphery at the center of its bottom. The motor is mounted in the inner chamber of the base. The center of gravity of the fan lies beneath the center of the base. When the working ever-stand fan tumbles down, the side curve of the base comes into contact with the supporting surface. As the center of gravity of the fan lies beneath the center of the base, the fan can quickly right itself without being helped up by hand.
Description
- This invention relates to an electrical appliance, more particularly to an electric fan.
- In hot summer, electric fans are very popular as they produce cool air to relieve summer heat. There are more and more kinds of electric fans available on the market. An electric fan is easy to tumble down when people bump on it, and needs to be helped up and adjusted before it can go on working. This causes great inconvenience to people when they are enjoying the cool air produced therefrom.
- One purpose of this invention is to provide an electric fan which can quickly right itself after falling down. It is this feature that is extremely convenient for people when in use.
- To solve the problems above, an ever-stand fan of this invention comprises a base and a motor. An upper cover, within which there is an impeller connected with the motor, is arranged over the base. The base has a small
flat surface 11 with acurved face 12 on the periphery at the center of its bottom. The motor is mounted in the inner chamber of the base. The center of gravity of the ever-stand fan lies beneath the center of the base. - As an improvement of the technical solution above, a top cover is arranged over the upper cover. A grid is installed on the said top cover 5 to prevent oddments from going into the fan blades.
- As a further improvement of the technical solution above, there is a shockproof rubber piece mounted under the small flat surface.
- It is an advantage of the present invention that, when the working ever-stand fan tumbles down, the side curve of the base comes into contact with the supporting surface. As the center of gravity of the fan lies beneath the center of the base, the fan can quickly rights itself without being helped up by hand. It is a convenient and unique feature for people when the fan is in use.
- The invention may be more completely understood in consideration of the following detailed description of embodiment of the invention in connection with the accompanying drawing, in which:
-
FIG. 1 is a cross-sectional side structural view of the invention. - With reference to
FIG. 1 , an ever-stand fan of this invention, comprises a base 1 and amotor 2. An upper cover 3, within which there is animpeller 4 connected with themotor 2, is arranged over the base 1. The base 1 has a smallflat surface 11 with acurved face 12 on the periphery at the center of its bottom. The motor is mounted in the inner chamber of the base 1. When the working ever-stand fan tumbles down, the side curve of the base comes into contact with the supporting surface. As the center of gravity of the fan lies beneath the center of the base, the fan can quickly right itself without being helped up by hand. This feature is convenient for people when in use. - A top cover 5 is arranged over the said upper cover 3. A
grid 51 is installed on the said top cover 5 to prevent oddments from going in to the fan. The top cover 5 and the upper cover 3 could be manufactured as a whole or as separate parts. Wherein the inside surface of the said upper cover 3 can be designed to be an Archimedes helicoid, an involute surface, a paraboloid, a hyperboloid or a logarithmic spiral surface. The inside surface of the upper cover and the peripheral surface ofimpeller 4 form an air duct 7. - In order to reduce the noise caused by the shake of the motor which is transmitted to the space between the base and the supporting surface, there is a rubber piece 6 mounted under the said small
flat surface 11. - The
impeller 4 is of a centrifugal type, which is made up of severalupright blades 41 distributed around. When themotor 2 drives theimpeller 4 to turn, the air comes into the inner chamber of the impeller from the opening of the two ends of theblades 41 and then goes out from the gap of the blades and thus forms cool air.
Claims (5)
1. An ever-stand fan, comprising:
a base (1):
a motor (2); and
an upper cover (3), within which there is an impeller (4), connected with the motor (2), the upper cover (3) arranged over the base (1), wherein said base (1) has a small flat surface (11) with a curved face (12) on a periphery at a center of a bottom of the base and the motor (2) is mounted in an inner chamber of the base (1), whereby a center of gravity of the ever-stand fan lies beneath a center of the base (1).
2. The ever-stand fan according to claim 1 , further comprising a top cover (5) arranged over the said upper cover (3) and a grid (51) installed on the said top cover (5) to prevent oddments from going into the impeller (4).
3. The ever-stand fan according to claim 1 , further comprising a shockproof rubber piece (6) mounted under the small flat surface (11).
4. The ever-stand fan according to claim 1 , wherein an inside surface of the said upper cover (3) is an Archimedes helicoid, an involute surface, a paraboloid, a hyperboloid or a logarithmic spiral surface and the said inside surface of the upper cover and a peripheral surface of the impeller (4) form an air duct (7).
5. The ever-stand fan according to claim 1 , wherein the impeller (4) is of a centrifugal type, comprising several upright blades (41) distributed around.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/561,418 US20110064595A1 (en) | 2009-09-17 | 2009-09-17 | Ever-stand fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/561,418 US20110064595A1 (en) | 2009-09-17 | 2009-09-17 | Ever-stand fan |
Publications (1)
Publication Number | Publication Date |
---|---|
US20110064595A1 true US20110064595A1 (en) | 2011-03-17 |
Family
ID=43730751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/561,418 Abandoned US20110064595A1 (en) | 2009-09-17 | 2009-09-17 | Ever-stand fan |
Country Status (1)
Country | Link |
---|---|
US (1) | US20110064595A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9636617B2 (en) | 2014-02-18 | 2017-05-02 | Blueair Ab | Air purifier device with fan duct |
US9694369B2 (en) | 2014-02-18 | 2017-07-04 | Blueair Ab | Air purifier device with ionizing means |
US9919252B2 (en) | 2014-02-18 | 2018-03-20 | Blueair Ab | Air purifier device with coupling mechanism |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1945010A (en) * | 1930-01-17 | 1934-01-30 | Waterbury Holding Corp | Electric fan |
US2776089A (en) * | 1951-02-13 | 1957-01-01 | Lau Blower Co | Blower |
US3278115A (en) * | 1965-04-23 | 1966-10-11 | American Radiator & Standard | Control of inlet flow to centrifugal fluid movers |
US6273679B1 (en) * | 1999-07-28 | 2001-08-14 | Samsung Electronics Co., Ltd. | Centrifugal blower |
US20050042082A1 (en) * | 2003-08-21 | 2005-02-24 | Nidec Corporation | Centrifugal Fan, Cooling Mechanism, and Apparatus Furnished with the Cooling Mechanism |
US20060013684A9 (en) * | 2003-04-14 | 2006-01-19 | Nidec Corporation | Fan impeller and fan motor |
-
2009
- 2009-09-17 US US12/561,418 patent/US20110064595A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1945010A (en) * | 1930-01-17 | 1934-01-30 | Waterbury Holding Corp | Electric fan |
US2776089A (en) * | 1951-02-13 | 1957-01-01 | Lau Blower Co | Blower |
US3278115A (en) * | 1965-04-23 | 1966-10-11 | American Radiator & Standard | Control of inlet flow to centrifugal fluid movers |
US6273679B1 (en) * | 1999-07-28 | 2001-08-14 | Samsung Electronics Co., Ltd. | Centrifugal blower |
US20060013684A9 (en) * | 2003-04-14 | 2006-01-19 | Nidec Corporation | Fan impeller and fan motor |
US20050042082A1 (en) * | 2003-08-21 | 2005-02-24 | Nidec Corporation | Centrifugal Fan, Cooling Mechanism, and Apparatus Furnished with the Cooling Mechanism |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9636617B2 (en) | 2014-02-18 | 2017-05-02 | Blueair Ab | Air purifier device with fan duct |
US9694369B2 (en) | 2014-02-18 | 2017-07-04 | Blueair Ab | Air purifier device with ionizing means |
US9919252B2 (en) | 2014-02-18 | 2018-03-20 | Blueair Ab | Air purifier device with coupling mechanism |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |