GB494987A - Improvements relating to electrically-driven screw fans - Google Patents
Improvements relating to electrically-driven screw fansInfo
- Publication number
- GB494987A GB494987A GB2481337A GB2481337A GB494987A GB 494987 A GB494987 A GB 494987A GB 2481337 A GB2481337 A GB 2481337A GB 2481337 A GB2481337 A GB 2481337A GB 494987 A GB494987 A GB 494987A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fans
- shroud
- electrically
- improvements relating
- driven screw
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/524—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps shiftable members for obturating part of the flow path
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
494,987. Screw fans. AXIA FANS, Ltd., (formerly WINSOR AXIA FANS, Ltd.), and AKESTER, J. C. Sept. 11, 1937, No. 24813. [Class 110 (i)] The fan motor 1 is mounted upon the projecting end of a conoidal member 3 carried by the fan shroud 11 which is secured to a support such as a deck 17, the motor shaft extending through the member 3. Member 3 is connected to the shroud by a spider consisting of arms 10 constituting guide vanes which may be integral with member 3 and shroud 11. Member 3 supports an annular cowl 15 secured above the motor flange 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2481337A GB494987A (en) | 1937-09-11 | 1937-09-11 | Improvements relating to electrically-driven screw fans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2481337A GB494987A (en) | 1937-09-11 | 1937-09-11 | Improvements relating to electrically-driven screw fans |
Publications (1)
Publication Number | Publication Date |
---|---|
GB494987A true GB494987A (en) | 1938-11-04 |
Family
ID=10217636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2481337A Expired GB494987A (en) | 1937-09-11 | 1937-09-11 | Improvements relating to electrically-driven screw fans |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB494987A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797859A (en) * | 1952-06-24 | 1957-07-02 | Gen Electric | Ventilating device |
US3045895A (en) * | 1957-01-30 | 1962-07-24 | Parsons C A & Co Ltd | Gas circulatory means |
GB2029567B (en) * | 1978-08-28 | 1982-12-22 | Kling M | Fume exhauster device |
GB2240589A (en) * | 1989-07-24 | 1991-08-07 | Tech Zeal Ind Co Ltd | Vehicular air extractor |
-
1937
- 1937-09-11 GB GB2481337A patent/GB494987A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797859A (en) * | 1952-06-24 | 1957-07-02 | Gen Electric | Ventilating device |
US3045895A (en) * | 1957-01-30 | 1962-07-24 | Parsons C A & Co Ltd | Gas circulatory means |
GB2029567B (en) * | 1978-08-28 | 1982-12-22 | Kling M | Fume exhauster device |
GB2240589A (en) * | 1989-07-24 | 1991-08-07 | Tech Zeal Ind Co Ltd | Vehicular air extractor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB604378A (en) | Improvements in or relating to centrifugal-compressors | |
GB500965A (en) | Improvements relating to screw impeller fans and pumps | |
GB849744A (en) | Improvements in fans | |
GB494987A (en) | Improvements relating to electrically-driven screw fans | |
GB429958A (en) | Improvements relating to screw fans | |
GB401425A (en) | Improvements in or relating to screw propellers and screw fans | |
GB591835A (en) | Improvements in and relating to electric motorised pump units | |
GB477449A (en) | Improvements in or relating to ventilating fans and the like | |
GB975892A (en) | Turbine rotors | |
GB1107270A (en) | Improvements in and relating to a centrifugal fan comprising a drum impeller | |
GB512223A (en) | Improvements in centrifugal pumps | |
GB454072A (en) | Improvements relating to screw fans and screw pumps | |
GB583729A (en) | Improvements in fans for forced draught | |
GB442469A (en) | Improvements relating to screw fan ventilators | |
GB809948A (en) | Improvements in or relating to whirling arm apparatus | |
GB622669A (en) | Improvements in or relating to multi-stage centrifugal fans or pumps | |
GB252143A (en) | Improvements in or relating to centrifugal pumps | |
GB697748A (en) | Improvements in and relating to axial flow blowers and pumps | |
GB299526A (en) | Improvements in or relating to rotary ventilating fans or the like | |
GB538547A (en) | Improvements in or relating to propeller fan wheels | |
GB602299A (en) | Improvements in and relating to centrifugal fans or centrifugal pumps for two directions of rotation | |
GB530356A (en) | Improvements relating to axial-flow rotary fans | |
GB581110A (en) | Improvements in and relating to adjustable pitch rotary fans, axial flow pumps, screw propellers and the like | |
GB737833A (en) | Improvements in or relating to centrifugal apparatus such as pumps, fans and compressors for the circulation of fluids | |
GB555646A (en) | Improvements in or relating to the enclosing casing of a propeller or impeller |