FI925758A0 - The filter box - Google Patents
The filter boxInfo
- Publication number
- FI925758A0 FI925758A0 FI925758A FI925758A FI925758A0 FI 925758 A0 FI925758 A0 FI 925758A0 FI 925758 A FI925758 A FI 925758A FI 925758 A FI925758 A FI 925758A FI 925758 A0 FI925758 A0 FI 925758A0
- Authority
- FI
- Finland
- Prior art keywords
- filter box
- box
- filter
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI925758A FI90915C (en) | 1992-12-18 | 1992-12-18 | filter Box |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI925758 | 1992-12-18 | ||
FI925758A FI90915C (en) | 1992-12-18 | 1992-12-18 | filter Box |
Publications (3)
Publication Number | Publication Date |
---|---|
FI925758A0 true FI925758A0 (en) | 1992-12-18 |
FI90915B FI90915B (en) | 1993-12-31 |
FI90915C FI90915C (en) | 1994-04-11 |
Family
ID=8536424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI925758A FI90915C (en) | 1992-12-18 | 1992-12-18 | filter Box |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI90915C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112344490A (en) * | 2020-11-06 | 2021-02-09 | 周文琴 | Air purification device using closed space to make medicament continuously act |
-
1992
- 1992-12-18 FI FI925758A patent/FI90915C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI90915B (en) | 1993-12-31 |
FI90915C (en) | 1994-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed |