IT990195B - IMPROVEMENT IN PUMPS OR HYDRAULIC MOTORS WITH VARIABLE DISPLACEMENT WITH SIDED CONTROL OF THE PORT - Google Patents
IMPROVEMENT IN PUMPS OR HYDRAULIC MOTORS WITH VARIABLE DISPLACEMENT WITH SIDED CONTROL OF THE PORTInfo
- Publication number
- IT990195B IT990195B IT51916/73A IT5191673A IT990195B IT 990195 B IT990195 B IT 990195B IT 51916/73 A IT51916/73 A IT 51916/73A IT 5191673 A IT5191673 A IT 5191673A IT 990195 B IT990195 B IT 990195B
- Authority
- IT
- Italy
- Prior art keywords
- pumps
- improvement
- port
- variable displacement
- hydraulic motors
- Prior art date
Links
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
- 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)
- Servomotors (AREA)
- Hydraulic Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00306503A US3803987A (en) | 1972-11-14 | 1972-11-14 | Servoactuated hydraulic transducer apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IT990195B true IT990195B (en) | 1975-06-20 |
Family
ID=23185592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51916/73A IT990195B (en) | 1972-11-14 | 1973-08-08 | IMPROVEMENT IN PUMPS OR HYDRAULIC MOTORS WITH VARIABLE DISPLACEMENT WITH SIDED CONTROL OF THE PORT |
Country Status (7)
Country | Link |
---|---|
US (1) | US3803987A (en) |
JP (1) | JPS49135204A (en) |
CA (1) | CA977614A (en) |
DE (1) | DE2340663A1 (en) |
FR (1) | FR2206450B1 (en) |
GB (1) | GB1440096A (en) |
IT (1) | IT990195B (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE406001B (en) * | 1972-10-23 | 1979-01-15 | Ifield Richard J | PISTON PUMP WITH VARIABLE IMPACT VOLUME |
US3935796A (en) * | 1974-04-16 | 1976-02-03 | Teleflex Incorporated | Variable hydraulic pumping apparatus |
US3967541A (en) * | 1974-08-02 | 1976-07-06 | Abex Corporation | Control system for axial piston fluid energy translating device |
US3982470A (en) | 1975-08-04 | 1976-09-28 | Abex Corporation | Control system for axial piston fluid energy translating device |
US4017219A (en) * | 1975-12-22 | 1977-04-12 | Abex Corporation | Control system for variable displacement pumps |
US4029439A (en) * | 1975-12-22 | 1977-06-14 | Abex Corporation | Control system for variable displacement pumps |
US4008004A (en) * | 1975-12-22 | 1977-02-15 | Abex Corporation | Control system for variable displacement pumps |
USRE31107E (en) * | 1978-12-07 | 1982-12-21 | Deere & Company | Feedback shaft extending between swashplate and displacement control valve |
US4229144A (en) * | 1978-12-07 | 1980-10-21 | Deere & Company | Feedback shaft extending between swashplate and displacement control valve |
US4211079A (en) * | 1979-04-27 | 1980-07-08 | Deere & Company | Positive neutral control for hydrostatic transmission |
US4248137A (en) * | 1979-07-23 | 1981-02-03 | Moog Inc. | Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller |
USRE31657E (en) * | 1979-07-23 | 1984-09-04 | Moog Inc. | Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller |
DE3136519A1 (en) * | 1980-09-16 | 1982-04-15 | Linde Ag, 6200 Wiesbaden | Variable-delivery axial-piston machine, preferably axial-piston pump |
US4458581A (en) * | 1981-05-04 | 1984-07-10 | Edward D. Paley | Control device for fluid energy translators |
US4455920A (en) * | 1982-06-01 | 1984-06-26 | Abex Corporation | Rocker cam control |
JPH0763157A (en) * | 1993-08-26 | 1995-03-07 | Kanzaki Kokyukoki Mfg Co Ltd | Variable displacement type axial piston machine |
US5466130A (en) * | 1994-07-26 | 1995-11-14 | Kobelt; Jacob | Helm pump |
US5590579A (en) * | 1995-10-31 | 1997-01-07 | Eaton Corporation | Hydrostatic pump and bearing-clocking mechanism therefor |
US6260468B1 (en) | 1999-02-26 | 2001-07-17 | Sauer-Danfoss Inc. | Single-piece proportional control |
US6158969A (en) * | 1999-09-16 | 2000-12-12 | Eaton Corporation | Hydrostatic pump and disable control therefor |
US6609368B2 (en) | 2001-06-04 | 2003-08-26 | Caterpillar S.A.R.L. | Automatic downshift and override control for a transmission |
US6655255B2 (en) | 2001-07-10 | 2003-12-02 | Caterpillar Inc. | Swashplate arrangement for an axial piston pump |
WO2003062600A1 (en) * | 2002-01-18 | 2003-07-31 | Permo-Drive Research And Development Pty Ltd | Releasable locking mechanism for axial piston hydraulic pump |
AU2002951538A0 (en) * | 2002-09-20 | 2002-10-03 | Permo-Drive Research And Development Pty Ltd | Regenerative drive system for trailers |
CN101761464A (en) * | 2009-12-04 | 2010-06-30 | 威海华东数控股份有限公司 | Axial variable plunger pump |
DE102017202826A1 (en) * | 2016-04-11 | 2017-10-12 | Robert Bosch Gmbh | Hydrostatic axial piston machine |
DE102016224554A1 (en) * | 2016-12-09 | 2018-06-14 | Robert Bosch Gmbh | Hydrostatic axial piston machine |
JP6912907B2 (en) | 2017-03-13 | 2021-08-04 | Kyb株式会社 | Servo regulator |
JP6993950B2 (en) * | 2018-09-28 | 2022-01-14 | Kyb株式会社 | Hydraulic rotary machine |
CN111336149B (en) * | 2020-03-26 | 2021-11-05 | 浙江大学宁波理工学院 | Valve plate of multi-way valve |
JP7026167B2 (en) * | 2020-05-26 | 2022-02-25 | Kyb株式会社 | Hydraulic rotary machine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB212927A (en) * | ||||
US2945449A (en) * | 1954-06-03 | 1960-07-19 | Bendix Aviat Corp | Hydraulic control pump |
US3164960A (en) * | 1963-09-03 | 1965-01-12 | New York Air Brake Co | Hydrostatic transmission |
US3257959A (en) * | 1964-05-21 | 1966-06-28 | Budzich Tadeusz | Controls for reversible variable flow pumps |
US3406608A (en) * | 1966-02-18 | 1968-10-22 | Abex Corp | Control for variable volume pumps and motors |
GB1243776A (en) * | 1967-09-16 | 1971-08-25 | Reyrolle Hydraulics Ltd | Improvements relating to swashplate and like hydraulic pumps and motors |
US3669570A (en) * | 1970-03-09 | 1972-06-13 | Mannesmann Meer Ag | Power regulation for fluid machines |
US3606755A (en) * | 1970-03-16 | 1971-09-21 | Sperry Rand Corp | Power transmission |
US3733963A (en) * | 1971-03-29 | 1973-05-22 | Abex Corp | Method and apparatus for controlling displacement of a variable volume pump or motor |
-
1972
- 1972-11-14 US US00306503A patent/US3803987A/en not_active Expired - Lifetime
-
1973
- 1973-07-23 JP JP48083021A patent/JPS49135204A/ja active Pending
- 1973-07-24 CA CA177,204A patent/CA977614A/en not_active Expired
- 1973-08-07 GB GB3745073A patent/GB1440096A/en not_active Expired
- 1973-08-08 IT IT51916/73A patent/IT990195B/en active
- 1973-08-10 DE DE19732340663 patent/DE2340663A1/en active Pending
- 1973-11-14 FR FR7340489A patent/FR2206450B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1440096A (en) | 1976-06-23 |
DE2340663A1 (en) | 1974-05-16 |
US3803987A (en) | 1974-04-16 |
JPS49135204A (en) | 1974-12-26 |
FR2206450A1 (en) | 1974-06-07 |
FR2206450B1 (en) | 1975-03-21 |
CA977614A (en) | 1975-11-11 |
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