FR2300240B3 - - Google Patents
Info
- Publication number
- FR2300240B3 FR2300240B3 FR7504070A FR7504070A FR2300240B3 FR 2300240 B3 FR2300240 B3 FR 2300240B3 FR 7504070 A FR7504070 A FR 7504070A FR 7504070 A FR7504070 A FR 7504070A FR 2300240 B3 FR2300240 B3 FR 2300240B3
- Authority
- FR
- France
- 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.)
- Expired
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
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7504070A FR2300240A1 (en) | 1975-02-10 | 1975-02-10 | Double flow ventilating fan - has double rotor with blades separating inlet flow from exhaust flow |
BE164093A BE838270A (en) | 1975-02-10 | 1976-02-04 | DOUBLE-FLOW FANS IMPROVEMENTS |
NL7601253A NL7601253A (en) | 1975-02-10 | 1976-02-06 | DOUBLE ACTING FAN. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7504070A FR2300240A1 (en) | 1975-02-10 | 1975-02-10 | Double flow ventilating fan - has double rotor with blades separating inlet flow from exhaust flow |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2300240A1 FR2300240A1 (en) | 1976-09-03 |
FR2300240B3 true FR2300240B3 (en) | 1977-10-21 |
Family
ID=9150991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7504070A Granted FR2300240A1 (en) | 1975-02-10 | 1975-02-10 | Double flow ventilating fan - has double rotor with blades separating inlet flow from exhaust flow |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE838270A (en) |
FR (1) | FR2300240A1 (en) |
NL (1) | NL7601253A (en) |
-
1975
- 1975-02-10 FR FR7504070A patent/FR2300240A1/en active Granted
-
1976
- 1976-02-04 BE BE164093A patent/BE838270A/en not_active IP Right Cessation
- 1976-02-06 NL NL7601253A patent/NL7601253A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7601253A (en) | 1976-08-12 |
BE838270A (en) | 1976-05-28 |
FR2300240A1 (en) | 1976-09-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |