NL6902980A - - Google Patents
Info
- Publication number
- NL6902980A NL6902980A NL6902980A NL6902980A NL6902980A NL 6902980 A NL6902980 A NL 6902980A NL 6902980 A NL6902980 A NL 6902980A NL 6902980 A NL6902980 A NL 6902980A NL 6902980 A NL6902980 A NL 6902980A
- Authority
- NL
- Netherlands
Links
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
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Blinds (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1324968 | 1968-02-27 | ||
| JP1325068 | 1968-02-27 | ||
| JP1569868 | 1968-02-27 | ||
| JP6029468 | 1968-08-21 | ||
| JP7970668 | 1968-11-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6902980A true NL6902980A (de) | 1969-08-29 |
| NL142476B NL142476B (nl) | 1974-06-17 |
Family
ID=27519487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL696902980A NL142476B (nl) | 1968-02-27 | 1969-02-26 | Ventilator. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3536413A (de) |
| FR (1) | FR2002717A1 (de) |
| GB (1) | GB1224434A (de) |
| NL (1) | NL142476B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148373B2 (de) * | 1973-02-12 | 1976-12-20 | ||
| FI320373A (de) * | 1973-10-16 | 1975-04-17 | Pekka Juhani Saario | |
| KR900003870B1 (ko) * | 1986-11-19 | 1990-06-02 | 미츠비시 덴키 가부시키가이샤 | 공기조화기의 송풍 제어장치 |
| GB2241989A (en) * | 1990-03-15 | 1991-09-18 | Hsieh Tang Electric Co Ltd | Ventilating fan with shutter |
| TWM391269U (en) * | 2010-03-16 | 2010-10-21 | Wistron Corp | Heat dissipating structure,heat dissipating module and electronic device capable of preventing airflow from flowing back |
| CN102486184A (zh) * | 2010-12-06 | 2012-06-06 | 鸿富锦精密工业（深圳）有限公司 | 风扇组合 |
| CN105840537A (zh) * | 2016-05-05 | 2016-08-10 | 杨志恒 | 一种花卉种植专用风机 |
| CN110491709B (zh) * | 2019-08-19 | 2024-04-16 | 中山市奥克兰电器有限公司 | 一种拉线开关及排气扇 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1792514A (en) * | 1929-05-11 | 1931-02-17 | Cincinnati Victor Company | Ventilating fan |
| US1828016A (en) * | 1930-03-12 | 1931-10-20 | Andres Peter | Automatic kitchen ventilator |
| US2141923A (en) * | 1936-04-16 | 1938-12-27 | Gen Electric | Ventilating apparatus |
| US2252179A (en) * | 1939-04-13 | 1941-08-12 | Airmaster Corp | Ventilator |
| GB720542A (en) * | 1951-08-28 | 1954-12-22 | Hotpoint Electric Appliance Co | Improvements relating to ventilating fans |
-
1969
- 1969-02-21 GB GB9608/69A patent/GB1224434A/en not_active Expired
- 1969-02-24 US US801597A patent/US3536413A/en not_active Expired - Lifetime
- 1969-02-26 NL NL696902980A patent/NL142476B/xx unknown
- 1969-02-27 FR FR6905148A patent/FR2002717A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3536413A (en) | 1970-10-27 |
| GB1224434A (en) | 1971-03-10 |
| DE1909673B2 (de) | 1976-05-20 |
| DE1909673A1 (de) | 1969-09-04 |
| FR2002717A1 (de) | 1969-10-31 |
| NL142476B (nl) | 1974-06-17 |