JPS551434A - Wind-velocity controller of fan - Google Patents
Wind-velocity controller of fanInfo
- Publication number
- JPS551434A JPS551434A JP7422778A JP7422778A JPS551434A JP S551434 A JPS551434 A JP S551434A JP 7422778 A JP7422778 A JP 7422778A JP 7422778 A JP7422778 A JP 7422778A JP S551434 A JPS551434 A JP S551434A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- winds
- control
- axial fan
- fixed
- 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.)
- Granted
Links
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
PURPOSE: To obtain concentric winds, which velocity distribution differs, when a control blade is fixed, and to automatically change the strength of winds when the control blade is turned, by mounting the control blade to the front of an axial fan.
CONSTITUTION: A control blade 5 of wind velocity provided with a speed up blade 4 and a diffusion blade 10 is fixed to a protective net ornament 2, which is fastened to a protective net 1 at the blast passage side of an axial fan 9 by means of a screw 3, in a revolution-free shape by using a friction disc 6 with elasticity and a screw 7. With said speed up blade 4, length in the rotational direction is smaller than length in the blast direction, and it is mounted in an approximate radial shape centering around the center of revolution of the blade. As the diffusion blade 10, a plurality of blades,etc. are adopted which outward tilt with the advance in the blast direction in concentrical shapes. The control blades 5 are adequately combined or the control blade is singly used, and fixed or turned, thus forming the winds of the front of the axial fan 9, which velocity distribution has partial strength and weakness as natural winds, winds with breathes.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7422778A JPS551434A (en) | 1978-06-21 | 1978-06-21 | Wind-velocity controller of fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7422778A JPS551434A (en) | 1978-06-21 | 1978-06-21 | Wind-velocity controller of fan |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS551434A true JPS551434A (en) | 1980-01-08 |
JPS6146678B2 JPS6146678B2 (en) | 1986-10-15 |
Family
ID=13541075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7422778A Granted JPS551434A (en) | 1978-06-21 | 1978-06-21 | Wind-velocity controller of fan |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS551434A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017133434A (en) * | 2016-01-28 | 2017-08-03 | リズム時計工業株式会社 | Double reversal type electric fan |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0431993A (en) * | 1990-05-28 | 1992-02-04 | Fuji Electric Co Ltd | Coin receiver for automatic vending machine |
-
1978
- 1978-06-21 JP JP7422778A patent/JPS551434A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017133434A (en) * | 2016-01-28 | 2017-08-03 | リズム時計工業株式会社 | Double reversal type electric fan |
Also Published As
Publication number | Publication date |
---|---|
JPS6146678B2 (en) | 1986-10-15 |
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