GB730020A - Improvements in or relating to rotary pumps of the gearwheel type - Google Patents
Improvements in or relating to rotary pumps of the gearwheel typeInfo
- Publication number
- GB730020A GB730020A GB1117052A GB1117052A GB730020A GB 730020 A GB730020 A GB 730020A GB 1117052 A GB1117052 A GB 1117052A GB 1117052 A GB1117052 A GB 1117052A GB 730020 A GB730020 A GB 730020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pump
- stage
- port
- valve
- gears
- 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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
730,020. Gear pumps; centrifugal pumps. DRYSDALE & CO., Ltd., and YOUNG, J. May 4, 1953 [May 2, 1952], No. 1I170/52. Classes 110 (1) and 110 (2). A two-stage pump comprises pairs of gears 2, 4 and 6, 7, the driving gears 2, 6 being keyed to a shaft 3, and the other gears 4, 7 being mounted on separate auxiliary shafts 5, 8, the axes of which lie on opposite sides of the axis of the shaft 3. A centrifugal pump 20 may suck fluid from a suction pipe 15 and supply a chamber leading to the inlet of the first pump 2, 4. The discharges from the pump stages are on opposite sides of the casing, this helping to balance the loads on the shaft bearings and relieving the load on a centre bearing 3<SP>1</SP>. Fig. 5 shows a valve 12 which regulates the pressure differences over the pump stages, so that the pressure rise over each stage is approximately the same. A port 14 connects with the pump suction 15, a port 16 with the final delivery and a port 18 to a chamber between the pump stages. The area of the top of the valve 12 is twice that of the effective area on the underside of the valve. With equal pressures developed by the pump stages, the valve closes the ports, but should the first-stage delivery rise unduly, the valve 12 moves to open the relief port 14. Should a high pressure be developed in the second stage, the port 18 is opened and allows excess pressure liquid to escape to the suction of the second stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1117052A GB730020A (en) | 1952-05-02 | 1952-05-02 | Improvements in or relating to rotary pumps of the gearwheel type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1117052A GB730020A (en) | 1952-05-02 | 1952-05-02 | Improvements in or relating to rotary pumps of the gearwheel type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB730020A true GB730020A (en) | 1955-05-18 |
Family
ID=9981302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1117052A Expired GB730020A (en) | 1952-05-02 | 1952-05-02 | Improvements in or relating to rotary pumps of the gearwheel type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB730020A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1192054B (en) * | 1957-09-21 | 1965-04-29 | Bosch Gmbh Robert | Gear pump |
| GB2158518A (en) * | 1984-05-08 | 1985-11-13 | Teledyne Ind | Two stage fuel pump |
-
1952
- 1952-05-02 GB GB1117052A patent/GB730020A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1192054B (en) * | 1957-09-21 | 1965-04-29 | Bosch Gmbh Robert | Gear pump |
| GB2158518A (en) * | 1984-05-08 | 1985-11-13 | Teledyne Ind | Two stage fuel pump |
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