GB2574590B - Fluid pressure apparatus with axially opposed pistons - Google Patents

Fluid pressure apparatus with axially opposed pistons Download PDF

Info

Publication number
GB2574590B
GB2574590B GB1809328.6A GB201809328A GB2574590B GB 2574590 B GB2574590 B GB 2574590B GB 201809328 A GB201809328 A GB 201809328A GB 2574590 B GB2574590 B GB 2574590B
Authority
GB
United Kingdom
Prior art keywords
fluid pressure
pressure apparatus
axially opposed
opposed pistons
pistons
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 - Fee Related
Application number
GB1809328.6A
Other versions
GB2574590A (en
GB201809328D0 (en
Inventor
Lauterslager Peter
Van Hooft Kees
Caffall Finch Steven
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Work Tools BV
Original Assignee
Caterpillar Work Tools BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Caterpillar Work Tools BV filed Critical Caterpillar Work Tools BV
Priority to GB1809328.6A priority Critical patent/GB2574590B/en
Publication of GB201809328D0 publication Critical patent/GB201809328D0/en
Priority to EP19177777.0A priority patent/EP3584451A1/en
Publication of GB2574590A publication Critical patent/GB2574590A/en
Application granted granted Critical
Publication of GB2574590B publication Critical patent/GB2574590B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/765—Control of position or angle of the output member
    • F15B2211/7653—Control of position or angle of the output member at distinct positions, e.g. at the end position
    • 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
    • F15B2211/765—Control of position or angle of the output member
    • F15B2211/7656—Control of position or angle of the output member with continuous position control
    • 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
    • F15B2211/77—Control of direction of movement of the output member
    • 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
    • F15B2211/77—Control of direction of movement of the output member
    • F15B2211/7708—Control of direction of movement of the output member in one direction only
    • 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
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
GB1809328.6A 2018-06-06 2018-06-06 Fluid pressure apparatus with axially opposed pistons Expired - Fee Related GB2574590B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1809328.6A GB2574590B (en) 2018-06-06 2018-06-06 Fluid pressure apparatus with axially opposed pistons
EP19177777.0A EP3584451A1 (en) 2018-06-06 2019-05-31 Fluid pressure apparatus with axially opposed pistons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1809328.6A GB2574590B (en) 2018-06-06 2018-06-06 Fluid pressure apparatus with axially opposed pistons

Publications (3)

Publication Number Publication Date
GB201809328D0 GB201809328D0 (en) 2018-07-25
GB2574590A GB2574590A (en) 2019-12-18
GB2574590B true GB2574590B (en) 2023-03-15

Family

ID=62975411

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1809328.6A Expired - Fee Related GB2574590B (en) 2018-06-06 2018-06-06 Fluid pressure apparatus with axially opposed pistons

Country Status (2)

Country Link
EP (1) EP3584451A1 (en)
GB (1) GB2574590B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111306141A (en) * 2020-04-03 2020-06-19 广东志成电液科技有限公司 Hydraulic cylinder with adjustable limit position and limit position adjusting method
WO2022208547A1 (en) * 2021-03-31 2022-10-06 Svakalpan Engineering Designs (Opc) Pvt. Ltd. A pnuematic actauting system and method for actuation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19733628A1 (en) * 1997-07-29 1999-02-18 Fraunhofer Ges Forschung Micro fluid piston system
EP1350960A1 (en) * 2002-04-05 2003-10-08 FESTO AG & Co Fluid actuated driving device
US20150330418A1 (en) * 2013-02-12 2015-11-19 Nippon Steel & Sumitomo Metal Corporation 3-position operating actuator and permanent-magnet eddy-current deceleration device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485805A (en) * 1947-04-30 1949-10-25 Westinghouse Air Brake Co Fluid pressure controlled positioning device
FR1252062A (en) * 1959-11-20 1961-01-27 Hydraulic circuit with end stop by dynamic leakage balance
AT243038B (en) * 1964-01-20 1965-10-25 Norbert Hess Device for the gradual achievement of work paths by means of hydraulic or pneumatic working cylinders
CN104259812A (en) * 2014-10-08 2015-01-07 重庆豪能兴富同步器有限公司 Double-stroke cylinder for assembling and disassembling workpieces

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19733628A1 (en) * 1997-07-29 1999-02-18 Fraunhofer Ges Forschung Micro fluid piston system
EP1350960A1 (en) * 2002-04-05 2003-10-08 FESTO AG & Co Fluid actuated driving device
US20150330418A1 (en) * 2013-02-12 2015-11-19 Nippon Steel & Sumitomo Metal Corporation 3-position operating actuator and permanent-magnet eddy-current deceleration device

Also Published As

Publication number Publication date
GB2574590A (en) 2019-12-18
EP3584451A1 (en) 2019-12-25
GB201809328D0 (en) 2018-07-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230615