DE1934448C2 - - Google Patents
Info
- Publication number
- DE1934448C2 DE1934448C2 DE1934448A DE1934448A DE1934448C2 DE 1934448 C2 DE1934448 C2 DE 1934448C2 DE 1934448 A DE1934448 A DE 1934448A DE 1934448 A DE1934448 A DE 1934448A DE 1934448 C2 DE1934448 C2 DE 1934448C2
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- control
- pump
- spring
- piston
- 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
- 239000007788 liquid Substances 0.000 claims description 29
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 238000010276 construction Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78069168A | 1968-12-03 | 1968-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1934448A1 DE1934448A1 (de) | 1970-09-03 |
| DE1934448C2 true DE1934448C2 (enrdf_load_stackoverflow) | 1988-07-07 |
Family
ID=25120363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691934448 Granted DE1934448A1 (de) | 1968-12-03 | 1969-07-07 | Fluegelradpumpe mit veraenderbarem Volumen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3549281A (enrdf_load_stackoverflow) |
| JP (1) | JPS5025164B1 (enrdf_load_stackoverflow) |
| DE (1) | DE1934448A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1224266A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918561B2 (ja) * | 1972-09-11 | 1984-04-27 | カヤバ工業株式会社 | 圧力制御サ−ポ装置 |
| DE2516765C3 (de) * | 1975-04-16 | 1985-12-05 | Mannesmann Rexroth GmbH, 8770 Lohr | Regelventil für eine Flügelzellenpumpe |
| DE2720306C2 (de) * | 1977-05-06 | 1986-02-27 | Robert Bosch Gmbh, 7000 Stuttgart | Verdrängermaschine |
| US4275997A (en) * | 1979-08-09 | 1981-06-30 | Parker-Hannifin Corporation | Hydraulic pump with proportional pressure controller |
| US4292805A (en) * | 1979-09-24 | 1981-10-06 | Rexnord Inc. | Servo-valve convertible construction |
| US4348159A (en) * | 1980-01-07 | 1982-09-07 | Rexnord Inc. | Convertible pump servo-valve control |
| DE3501660A1 (de) * | 1985-01-19 | 1986-07-24 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulische anlage |
| IT1260476B (it) * | 1992-05-28 | 1996-04-09 | Dispositivo azionatore a comando elettromagnetico in particolare per valvole ed applicazioni elettroidrauliche | |
| US5545018A (en) * | 1995-04-25 | 1996-08-13 | Coltec Industries Inc. | Variable displacement vane pump having floating ring seal |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1943929A (en) * | 1929-07-23 | 1934-01-16 | Automotive Engineering Corp | Rotary hydraulic power transmission |
| US2238062A (en) * | 1939-01-14 | 1941-04-15 | Manly Corp | Variable capacity pump and control therefor |
| US2724339A (en) * | 1949-06-25 | 1955-11-22 | Houdaille Hershey Corp | Automatically and selectively adjustable variable displacement pump |
| US2878755A (en) * | 1950-05-13 | 1959-03-24 | Houdaille Industries Inc | Variable displacement pump and pressure responsive control means therefor |
| US2669935A (en) * | 1951-08-04 | 1954-02-23 | Hpm Dev Corp | Hydraulically actuated shift control for hydraulic pumps |
| US2809594A (en) * | 1953-05-11 | 1957-10-15 | New York Air Brake Co | Fluid pressure mechanism |
| US2875699A (en) * | 1954-07-19 | 1959-03-03 | Gen Motors Corp | Variable capacity pressure system for transmissions |
| US2740256A (en) * | 1954-12-27 | 1956-04-03 | Gen Motors Corp | Valving associated with variable capacity pump |
| US2878756A (en) * | 1955-08-30 | 1959-03-24 | Houdaille Industries Inc | Variable displacement pump and pressure responsive control means therefor |
| US3067693A (en) * | 1958-12-24 | 1962-12-11 | United Aircraft Corp | Control means for variable delivery pump |
| US2975717A (en) * | 1959-06-12 | 1961-03-21 | Racine Hydraulics & Machinery | Flow governing hydraulic system |
| US3272135A (en) * | 1963-04-05 | 1966-09-13 | Sperry Rand Corp | Power transmission |
| DE1254405B (de) * | 1964-01-28 | 1967-11-16 | Metallwerk Glockerau G M B H | Selbsttaetige Regeleinrichtung fuer hydrostatischen Ventilatorantrieb |
| US3186353A (en) * | 1964-06-22 | 1965-06-01 | Bendix Corp | Means for stabilizing pump pressures |
| US3366064A (en) * | 1965-03-10 | 1968-01-30 | Borg Warner | Control for hydraulic apparatus |
-
1968
- 1968-12-03 US US780691A patent/US3549281A/en not_active Expired - Lifetime
-
1969
- 1969-07-07 DE DE19691934448 patent/DE1934448A1/de active Granted
- 1969-07-30 JP JP44059739A patent/JPS5025164B1/ja active Pending
- 1969-07-31 GB GB38498/69A patent/GB1224266A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1224266A (en) | 1971-03-10 |
| US3549281A (en) | 1970-12-22 |
| DE1934448A1 (de) | 1970-09-03 |
| JPS5025164B1 (enrdf_load_stackoverflow) | 1975-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8125 | Change of the main classification |
Ipc: F04C 15/04 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |