GB995322A - Centrifugal pump - Google Patents
Centrifugal pumpInfo
- Publication number
- GB995322A GB995322A GB698863A GB698863A GB995322A GB 995322 A GB995322 A GB 995322A GB 698863 A GB698863 A GB 698863A GB 698863 A GB698863 A GB 698863A GB 995322 A GB995322 A GB 995322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- impeller
- air
- vanes
- space
- pump
- 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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/041—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump having evacuating action
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
995,322. Centrifugal pumps. HAMWORTHY PUMPS & COMPRESSORS Ltd. Feb. 13, 1964 [Feb. 21, 1963], No. 6988/63. Heading F1C. A centrifugal pump comprises an impeller having balance passages leading from the impeller eye to a space adjacent the side of the impeller remote from the eye, an exhaust connection to the space, and rotatable vanes in the space. The pump shown is primed by withdrawing air from the impeller eye 24 via balance holes 28 and an annular space above the impeller, by means of an air pump (not shown) communicating with the annular space. Any liquid leaking past wear rings 26 into the annular space and tending to prevent complete removal of the air is mixed with the air by means of rotating vanes 29 to form an air-liquid mixture which can be withdrawn by the air pump. The vanes 29, which also reduce the leakage past the wear rings 26, are radial or curved and extend between the impeller hub and an annular flange 27 which also carries the inner wear ring 26. The vanes 29 may instead be carried by the impeller shaft 15. After removal of an elongated coupling 19 which connects the impeller shaft 15 to the motor shaft 20, cover plate 5 can be unbolted from the pump casing 1 and the cover plate, impeller and impeller shaft can be raised as a unit and then removed through a large opening at one side of the motor pedestal 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB698863A GB995322A (en) | 1963-02-21 | 1963-02-21 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB698863A GB995322A (en) | 1963-02-21 | 1963-02-21 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB995322A true GB995322A (en) | 1965-06-16 |
Family
ID=9824503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB698863A Expired GB995322A (en) | 1963-02-21 | 1963-02-21 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB995322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412726A1 (en) * | 1977-12-24 | 1979-07-20 | Sihi Gmbh & Co Kg | AUTOMATIC PRIMING CENTRIFUGAL PUMP |
| GB2186027B (en) * | 1986-02-03 | 1990-02-21 | Femmechanika | Self-priming rotary pump assembly |
-
1963
- 1963-02-21 GB GB698863A patent/GB995322A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2412726A1 (en) * | 1977-12-24 | 1979-07-20 | Sihi Gmbh & Co Kg | AUTOMATIC PRIMING CENTRIFUGAL PUMP |
| GB2186027B (en) * | 1986-02-03 | 1990-02-21 | Femmechanika | Self-priming rotary pump assembly |
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