IT1074340B - Apparecchio amplificatore di pressione a due stadi,particolarmente per macchine utensili - Google Patents
Apparecchio amplificatore di pressione a due stadi,particolarmente per macchine utensiliInfo
- Publication number
- IT1074340B IT1074340B IT23508/77A IT2350877A IT1074340B IT 1074340 B IT1074340 B IT 1074340B IT 23508/77 A IT23508/77 A IT 23508/77A IT 2350877 A IT2350877 A IT 2350877A IT 1074340 B IT1074340 B IT 1074340B
- Authority
- IT
- Italy
- Prior art keywords
- machine tools
- stage pressure
- amplifier apparatus
- pressure amplifier
- stage
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
- F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
- F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/216—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA252,689A CA1052234A (en) | 1976-05-17 | 1976-05-17 | Two step pressure intensifier system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1074340B true IT1074340B (it) | 1985-04-20 |
Family
ID=4105976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23508/77A IT1074340B (it) | 1976-05-17 | 1977-05-13 | Apparecchio amplificatore di pressione a due stadi,particolarmente per macchine utensili |
Country Status (6)
Country | Link |
---|---|
US (1) | US4271671A (it) |
CA (1) | CA1052234A (it) |
DE (1) | DE2718776C2 (it) |
FR (1) | FR2352185A1 (it) |
GB (1) | GB1553458A (it) |
IT (1) | IT1074340B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2477960A1 (fr) * | 1980-03-12 | 1981-09-18 | Therond Marcel | Mecanisme de presse hydraulique a course rapide puis lente |
CA1132441A (en) * | 1980-05-22 | 1982-09-28 | Gerard G.F. Smeets | Pressure intensifier systems |
US4395027A (en) * | 1980-09-15 | 1983-07-26 | Nordmeyer Robert A | Pressure intensifying device |
JPS6022195B2 (ja) * | 1982-01-22 | 1985-05-31 | 義一 山谷 | 高圧流体発生装置 |
US5396771A (en) * | 1988-04-18 | 1995-03-14 | Weber; Gisela | Apparatus for transmitting hydraulic pressure |
EP0661459A1 (en) * | 1993-12-31 | 1995-07-05 | Nowsco Well Service Ltd. | Hydraulic pressure intensifier for drilling wells |
US5526644A (en) * | 1995-06-07 | 1996-06-18 | Brieschke; Todd M. | Oil intensifier cylinder |
US6847018B2 (en) * | 2002-02-26 | 2005-01-25 | Chon Meng Wong | Flexible heating elements with patterned heating zones for heating of contoured objects powered by dual AC and DC voltage sources without transformer |
US6735944B2 (en) | 2002-07-10 | 2004-05-18 | Btm Corporation | Air to oil intensifier |
US6779343B2 (en) | 2002-07-10 | 2004-08-24 | Btm Corporation | Air to oil intensifier |
DE10393780T5 (de) * | 2002-11-25 | 2005-10-27 | Hartho-Hydraulic Aps | Verstärkerbaueinheit |
US6996984B2 (en) * | 2004-01-06 | 2006-02-14 | Btm Corporation | Air-to-oil intensifying cylinder |
US7263831B2 (en) * | 2004-01-06 | 2007-09-04 | Btm Corporation | Air-to-oil intensifying cylinder |
GB2412142B (en) * | 2004-03-19 | 2008-08-13 | Stansted Fluid Power | High pressure pumping apparatus and methods |
US7194859B1 (en) | 2005-10-18 | 2007-03-27 | Btm Corporation | Intensifier |
DE102007022857A1 (de) * | 2007-05-15 | 2008-11-20 | Robert Bosch Gmbh | Druckverstärker mit integriertem Druckspeicher |
US7685925B2 (en) * | 2007-08-15 | 2010-03-30 | Btm Corporation | Intensifying cylinder |
TWI684705B (zh) | 2016-12-21 | 2020-02-11 | 黃進添 | 低能源高汽壓、油壓、汽動引擎 |
KR102148632B1 (ko) * | 2020-05-08 | 2020-08-26 | 박승일 | 체적가변 피스톤을 이용한 유압 배력(油壓 培力) 장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2021463A (en) * | 1935-01-28 | 1935-11-19 | Peters Maurice Coulter | Combined group equalizing and individually operating hydraulic brake |
GB532980A (en) * | 1939-09-28 | 1941-02-04 | E M B Co Ltd | Improvements relating to hydraulic intensifiers |
US2689074A (en) * | 1952-04-03 | 1954-09-14 | Charles S Price | Bottle capping machine |
US2816422A (en) * | 1954-12-09 | 1957-12-17 | Deere Mfg Co | Hydraulic brake actuator |
US3059433A (en) * | 1961-02-14 | 1962-10-23 | Hirsch George | Pressure and force multiplying devices |
US3266415A (en) * | 1964-06-02 | 1966-08-16 | Basil S Palmer | Air-hydraulic ram |
FR1427670A (fr) * | 1964-08-08 | 1966-02-11 | Ferodo Sa | Perfectionnements apportés aux dispositifs de freinage pour véhicules automobiles |
DE2017007A1 (de) * | 1970-04-09 | 1971-10-21 | Geisel K | Pneumatisch hydraulischer Kolben trieb |
US3633365A (en) * | 1970-09-28 | 1972-01-11 | John C Belknap | Hydraulic jack |
US3787147A (en) * | 1972-12-26 | 1974-01-22 | Owatonna Tool Co | Two-stage air-hydraulic booster |
US3929057A (en) * | 1973-04-14 | 1975-12-30 | Kondo Mfg | Hydraulic brake mechanism for an air cylinder |
GB1441977A (en) * | 1973-11-02 | 1976-07-07 | Spenklin Ltd | Air-hydraulic pressure intensifying devices |
US4051877A (en) * | 1975-10-24 | 1977-10-04 | Nasa | Gas compression apparatus |
-
1976
- 1976-05-17 CA CA252,689A patent/CA1052234A/en not_active Expired
-
1977
- 1977-04-27 DE DE2718776A patent/DE2718776C2/de not_active Expired
- 1977-05-10 GB GB19570/77A patent/GB1553458A/en not_active Expired
- 1977-05-13 IT IT23508/77A patent/IT1074340B/it active
- 1977-05-13 FR FR7714745A patent/FR2352185A1/fr active Granted
-
1979
- 1979-09-05 US US06/084,184 patent/US4271671A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2718776A1 (de) | 1977-12-08 |
FR2352185A1 (fr) | 1977-12-16 |
CA1052234A (en) | 1979-04-10 |
DE2718776C2 (de) | 1985-05-15 |
US4271671A (en) | 1981-06-09 |
FR2352185B1 (it) | 1980-10-10 |
GB1553458A (en) | 1979-09-26 |
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