DE2116918A1 - Pumpe veränderlicher Verdrängung mit Einrichtung zur Umwandlung in eine Pumpe konstanter Verdrängung - Google Patents
Pumpe veränderlicher Verdrängung mit Einrichtung zur Umwandlung in eine Pumpe konstanter VerdrängungInfo
- Publication number
- DE2116918A1 DE2116918A1 DE19712116918 DE2116918A DE2116918A1 DE 2116918 A1 DE2116918 A1 DE 2116918A1 DE 19712116918 DE19712116918 DE 19712116918 DE 2116918 A DE2116918 A DE 2116918A DE 2116918 A1 DE2116918 A1 DE 2116918A1
- Authority
- DE
- Germany
- Prior art keywords
- pump
- piston
- servo
- displacement
- hydraulic
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 title claims description 58
- 238000003466 welding Methods 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 241000364057 Peoria Species 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/121—Control circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Control Of Fluid Gearings (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2790370A | 1970-04-13 | 1970-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2116918A1 true DE2116918A1 (de) | 1971-10-28 |
Family
ID=21840429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712116918 Pending DE2116918A1 (de) | 1970-04-13 | 1971-04-07 | Pumpe veränderlicher Verdrängung mit Einrichtung zur Umwandlung in eine Pumpe konstanter Verdrängung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3625637A (enExample) |
| BE (1) | BE765615A (enExample) |
| DE (1) | DE2116918A1 (enExample) |
| FR (1) | FR2089495A5 (enExample) |
| GB (1) | GB1282829A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157233A (en) * | 1975-07-04 | 1979-06-05 | Daikin Kogyo Co., Ltd. | Variable delivery hydraulic pump |
| US4072442A (en) * | 1975-07-04 | 1978-02-07 | Takeshi Horiuchi | Variable delivery hydraulic pump |
| DE2603563C2 (de) * | 1976-01-30 | 1986-02-20 | Linde Ag, 6200 Wiesbaden | Steuereinrichtung für ein aus mindestens zwei Pumpen bestehendes Pumpen-Aggregat |
| US4285639A (en) * | 1979-06-12 | 1981-08-25 | Parker-Hannifin Corporation | Electronic control for variable displacement pumps |
| US4398869A (en) * | 1980-05-27 | 1983-08-16 | Dresser Industries, Inc. | Control means for variable displacement pump |
| US4378200A (en) * | 1980-09-04 | 1983-03-29 | Vickers, Incorporated | Power transmission |
| JPS6155502U (enExample) * | 1984-09-17 | 1986-04-14 | ||
| US20140260224A1 (en) * | 2013-03-14 | 2014-09-18 | Clark Equipment Company | Control System for Variable Displacement Hydraulic Motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2114445A (en) * | 1936-01-21 | 1938-04-19 | Waterbury Tool Co | Power transmission |
| US3017750A (en) * | 1959-07-13 | 1962-01-23 | Dowty Hydraulic Units Ltd | Hydraulic apparatus |
| US3139006A (en) * | 1961-09-11 | 1964-06-30 | Budzich Tadeusz | Constant speed hydraulic drive |
-
1970
- 1970-04-13 US US27903A patent/US3625637A/en not_active Expired - Lifetime
-
1971
- 1971-04-07 DE DE19712116918 patent/DE2116918A1/de active Pending
- 1971-04-09 BE BE765615A patent/BE765615A/xx unknown
- 1971-04-09 FR FR7112774A patent/FR2089495A5/fr not_active Expired
- 1971-04-19 GB GB25899/71A patent/GB1282829A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE765615A (fr) | 1971-08-30 |
| FR2089495A5 (enExample) | 1972-01-07 |
| GB1282829A (en) | 1972-07-26 |
| US3625637A (en) | 1971-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |