GB983898A - Improvements in or relating to rotary displacement pumps - Google Patents
Improvements in or relating to rotary displacement pumpsInfo
- Publication number
- GB983898A GB983898A GB2108660A GB2108660A GB983898A GB 983898 A GB983898 A GB 983898A GB 2108660 A GB2108660 A GB 2108660A GB 2108660 A GB2108660 A GB 2108660A GB 983898 A GB983898 A GB 983898A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flanks
- teeth
- gear
- inlet
- june
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F01C1/16—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
983,898. Gear pumps. PLESSEY CO. Ltd. June 8, 1961 [June 15, 1960], No. 21086/60. Heading F1F. A gear pump is provided with an inlet port in an end wall so that the operating liquid flows axially into the pump. The radial distance of the outer edges of the inlet port from the axis of each rotor decreases in the direction of rotation so that the outer portions of the tooth gaps are separated from the inlet before the inner portions. The area of tooth exposed to the inlet is reduced by cutting away (as at 6) the trailing flanks of the teeth of the driving gear and the leading flanks 4 of the teeth of the driven gear, that is, those flanks not in sealing engagement. Backlash is prevented by leaving part of the flanks 12 uncut. Inlets may be formed in each end wall, both ends of the teeth being cut away.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2108660A GB983898A (en) | 1960-06-15 | 1960-06-15 | Improvements in or relating to rotary displacement pumps |
DE19611403929 DE1403929C (en) | 1960-06-15 | 1961-06-10 | Gear pump |
BE604926A BE604926A (en) | 1960-06-15 | 1961-06-13 | Rotary pump |
CH692961A CH393094A (en) | 1960-06-15 | 1961-06-13 | pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2108660A GB983898A (en) | 1960-06-15 | 1960-06-15 | Improvements in or relating to rotary displacement pumps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB983898A true GB983898A (en) | 1965-02-17 |
Family
ID=10156970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2108660A Expired GB983898A (en) | 1960-06-15 | 1960-06-15 | Improvements in or relating to rotary displacement pumps |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE604926A (en) |
CH (1) | CH393094A (en) |
GB (1) | GB983898A (en) |
-
1960
- 1960-06-15 GB GB2108660A patent/GB983898A/en not_active Expired
-
1961
- 1961-06-13 BE BE604926A patent/BE604926A/en unknown
- 1961-06-13 CH CH692961A patent/CH393094A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1403929A1 (en) | 1969-01-30 |
CH393094A (en) | 1965-05-31 |
BE604926A (en) | 1961-10-02 |
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