GB629339A - Impeller and governor for same - Google Patents
Impeller and governor for sameInfo
- Publication number
- GB629339A GB629339A GB18322/47A GB1832247A GB629339A GB 629339 A GB629339 A GB 629339A GB 18322/47 A GB18322/47 A GB 18322/47A GB 1832247 A GB1832247 A GB 1832247A GB 629339 A GB629339 A GB 629339A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blades
- hub
- impeller
- rods
- disc
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
- F04D29/362—Blade mountings adjustable during rotation
- F04D29/364—The blades having only a predetermined number of possible positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
629,339. Screw fans. MADER, E. A., and SPARGO, J. July 10, 1947, No. 18322. Convention date, May 3, 1943. [Class 110(i)] The fan blades are pivoted on rods which extend between a hub and a sheet metal annulus, means being provided to pivot the blades from a position in which they close the opening between the hub and the annulus to a position in which they impel air through the opening. Five rods 5 ex. tend between a hub 4 and a ring 6 and each carry a pivoted blade 8. In the closed position, the blades slightly overlap each other. When the impeller is running, two weighted arms 12 swing outwards under centrifugal force and act through links 15 to move a disc 13 against the action of a spring 14. Pins 16 carried by the disc 13 move the blades into the impelling position. Each pin 16 projects loosely through a hole in the corresponding blade and carries two collars 17 having coned surfaces which engage opposite faces of the blades to limit its pivotal movement. To reduce leakage past the periphery of the impeller, the ring 6 rotates with small clearance between stationary plates 21 and 23.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US629339XA | 1943-05-03 | 1943-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB629339A true GB629339A (en) | 1949-09-16 |
Family
ID=22045808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18322/47A Expired GB629339A (en) | 1943-05-03 | 1947-07-10 | Impeller and governor for same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB629339A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1103512B (en) * | 1957-02-13 | 1961-03-30 | Gordon Roy Tothill | Axial fan with adjustable blades |
| CN108879353A (en) * | 2018-08-02 | 2018-11-23 | 珠海许继电气有限公司 | A kind of rotary type handle hole plugging device |
-
1947
- 1947-07-10 GB GB18322/47A patent/GB629339A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1103512B (en) * | 1957-02-13 | 1961-03-30 | Gordon Roy Tothill | Axial fan with adjustable blades |
| CN108879353A (en) * | 2018-08-02 | 2018-11-23 | 珠海许继电气有限公司 | A kind of rotary type handle hole plugging device |
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