GB1204127A - Improvements in or relating to arrangements for priming centrifugal pumps - Google Patents
Improvements in or relating to arrangements for priming centrifugal pumpsInfo
- Publication number
- GB1204127A GB1204127A GB498167A GB498167A GB1204127A GB 1204127 A GB1204127 A GB 1204127A GB 498167 A GB498167 A GB 498167A GB 498167 A GB498167 A GB 498167A GB 1204127 A GB1204127 A GB 1204127A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- float
- pivot
- cause
- arm
- 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)
- Jet Pumps And Other Pumps (AREA)
Abstract
1,204,127. Valves. BLAW KNOX Ltd. 23 Jan., 1968 [1 Feb., 1967], No. 4981/67. Heading F2V. [Also in Divisions Fl and G1] A float-actuated valve 23 in a tank 13 for use in priming a centrifugal pump (not shown), is gradually closed by the rising level of water drawn through a conduit 14 by the vacuum created by a sliding-vane vacuum-pump (not shown) connected to float chamber 19 through a flexible hose 33 and the valve 23. During closing of the valve 23, the float arm 21 is moved about pivot 25, but once the valve 23 is closed any further rise in the water level will cause the arm 21 to move about a pivot 26 against the action of a spring 30 until a valve 36 is opened to permit air to enter the chamber 19 and cause a lowering of the water level therein. The valve 23 comprises a leather or other appropriate disc or diaphragm stretched across a member 24, and co-operates with a perforated brass disc 31.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB498167A GB1204127A (en) | 1967-02-01 | 1967-02-01 | Improvements in or relating to arrangements for priming centrifugal pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB498167A GB1204127A (en) | 1967-02-01 | 1967-02-01 | Improvements in or relating to arrangements for priming centrifugal pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1204127A true GB1204127A (en) | 1970-09-03 |
Family
ID=9787501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB498167A Expired GB1204127A (en) | 1967-02-01 | 1967-02-01 | Improvements in or relating to arrangements for priming centrifugal pumps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1204127A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2292803A (en) * | 1994-08-29 | 1996-03-06 | Iwao Ando | Automatic draining or level control apparatus |
| AU2009217423A1 (en) * | 2008-09-22 | 2010-04-08 | Weir Minerals Australia Ltd | A pump priming assembly |
-
1967
- 1967-02-01 GB GB498167A patent/GB1204127A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2292803A (en) * | 1994-08-29 | 1996-03-06 | Iwao Ando | Automatic draining or level control apparatus |
| AU2009217423A1 (en) * | 2008-09-22 | 2010-04-08 | Weir Minerals Australia Ltd | A pump priming assembly |
| AU2009217423B2 (en) * | 2008-09-22 | 2010-08-19 | Weir Minerals Australia Ltd | A pump priming assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |