FR662690A - Ventilateur perfectionné - Google Patents
Ventilateur perfectionnéInfo
- Publication number
- FR662690A FR662690A FR662690DA FR662690A FR 662690 A FR662690 A FR 662690A FR 662690D A FR662690D A FR 662690DA FR 662690 A FR662690 A FR 662690A
- Authority
- FR
- France
- Prior art keywords
- advanced fan
- advanced
- fan
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/10—Ventilating-shafts; Air-scoops
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S454/00—Ventilation
- Y10S454/905—Black out means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ventilation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US294511A US1703437A (en) | 1928-07-21 | 1928-07-21 | Ventilator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR662690A true FR662690A (fr) | 1929-08-09 |
Family
ID=23133745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR662690D Expired FR662690A (fr) | 1928-07-21 | 1928-10-11 | Ventilateur perfectionné |
Country Status (2)
Country | Link |
---|---|
US (1) | US1703437A (fr) |
FR (1) | FR662690A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2418760A (en) * | 1943-05-03 | 1947-04-08 | Ilg Electric Ventilating Compa | Pivotally mounted porthole blackout ventilator including a motordriven fan |
US3919927A (en) * | 1974-10-18 | 1975-11-18 | Jr John E Bernard | Twin ventilator fixture |
CA2060234C (fr) * | 1992-01-29 | 2002-10-01 | Irvin Richard Tiede | Grille pour etablissements de securite |
US7722449B2 (en) * | 2004-10-20 | 2010-05-25 | E.H. Price, Limited | Air channel grill for security institutions |
-
1928
- 1928-07-21 US US294511A patent/US1703437A/en not_active Expired - Lifetime
- 1928-10-11 FR FR662690D patent/FR662690A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1703437A (en) | 1929-02-26 |
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