JPS5726333A - Ventilating device - Google Patents
Ventilating deviceInfo
- Publication number
- JPS5726333A JPS5726333A JP10118780A JP10118780A JPS5726333A JP S5726333 A JPS5726333 A JP S5726333A JP 10118780 A JP10118780 A JP 10118780A JP 10118780 A JP10118780 A JP 10118780A JP S5726333 A JPS5726333 A JP S5726333A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- motor
- polluted air
- speed
- cover
- 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
- Ventilation (AREA)
Abstract
PURPOSE: To collect a large amount of polluted air excellently, and to discharge air effectively by mounting a controlling means increasing and decreasing the speed of a fan motor and adjusting the speed when an opening area of an opening section of an intake port is enlarged or reduced.
CONSTITUTION: The intake opening secton is mounted to a lower section of a ventilating fan proper hood 1. The opening area of the opening section of the intake port changes variously through the variable opening and closing of a cover 9. A condition (a) that the cover 9 is opened represents an example at the time when there are much polluted air b generated from an oven, an the motor 3 is turned at high speed through the controlling means. A condition (b) that the cover 9 is closed gives an example at the time when there is little polluted air b, and the motor 3 is rotated at low speed through the controlling means. That is, the velocity of a wind sucked around the opening section does not lower because the opening area is reduced in response to a turn at low speed even when the motor is turned at low speed. Accordingly, the polluted air is collected positively and discharged.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10118780A JPS5726333A (en) | 1980-07-25 | 1980-07-25 | Ventilating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10118780A JPS5726333A (en) | 1980-07-25 | 1980-07-25 | Ventilating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5726333A true JPS5726333A (en) | 1982-02-12 |
JPS6119893B2 JPS6119893B2 (en) | 1986-05-20 |
Family
ID=14293967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10118780A Granted JPS5726333A (en) | 1980-07-25 | 1980-07-25 | Ventilating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5726333A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199026A (en) * | 1985-02-28 | 1986-09-03 | Kobe Steel Ltd | Radiant tube for heat treating furnace |
JPS62132332U (en) * | 1986-02-14 | 1987-08-20 | ||
JPS62149731U (en) * | 1986-03-14 | 1987-09-22 | ||
US11067293B1 (en) * | 2019-04-09 | 2021-07-20 | Alan Feiertag | Smoke director device configured to extend over a cooking surface of a cooking device |
CN116816645A (en) * | 2023-07-28 | 2023-09-29 | 平湖市金兔实业有限公司 | Protection structure and protection method for crankcase cover air inlet of air compressor |
-
1980
- 1980-07-25 JP JP10118780A patent/JPS5726333A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199026A (en) * | 1985-02-28 | 1986-09-03 | Kobe Steel Ltd | Radiant tube for heat treating furnace |
JPS62132332U (en) * | 1986-02-14 | 1987-08-20 | ||
JPS62149731U (en) * | 1986-03-14 | 1987-09-22 | ||
US11067293B1 (en) * | 2019-04-09 | 2021-07-20 | Alan Feiertag | Smoke director device configured to extend over a cooking surface of a cooking device |
CN116816645A (en) * | 2023-07-28 | 2023-09-29 | 平湖市金兔实业有限公司 | Protection structure and protection method for crankcase cover air inlet of air compressor |
Also Published As
Publication number | Publication date |
---|---|
JPS6119893B2 (en) | 1986-05-20 |
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