IT1009663B - PISTON TENSIONER DEVICE - Google Patents

PISTON TENSIONER DEVICE

Info

Publication number
IT1009663B
IT1009663B IT20680/74A IT2068074A IT1009663B IT 1009663 B IT1009663 B IT 1009663B IT 20680/74 A IT20680/74 A IT 20680/74A IT 2068074 A IT2068074 A IT 2068074A IT 1009663 B IT1009663 B IT 1009663B
Authority
IT
Italy
Prior art keywords
tensioner device
piston tensioner
piston
tensioner
Prior art date
Application number
IT20680/74A
Other languages
Italian (it)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1009663B publication Critical patent/IT1009663B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
    • 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
    • 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
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F15B11/072—Combined pneumatic-hydraulic systems
    • 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
    • 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out 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
    • F15B2211/50—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
    • F15B2211/505—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
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
    • 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
    • F15B2211/625—Accumulators
    • 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
    • F15B2211/7052—Single-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
    • F15B2211/705—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Actuator (AREA)
IT20680/74A 1973-04-04 1974-04-08 PISTON TENSIONER DEVICE IT1009663B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US347980A US3871527A (en) 1973-04-04 1973-04-04 Ram tensioning device

Publications (1)

Publication Number Publication Date
IT1009663B true IT1009663B (en) 1976-12-20

Family

ID=23366144

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20680/74A IT1009663B (en) 1973-04-04 1974-04-08 PISTON TENSIONER DEVICE

Country Status (8)

Country Link
US (1) US3871527A (en)
JP (1) JPS49135352A (en)
DE (1) DE2414181A1 (en)
ES (1) ES424907A1 (en)
FR (1) FR2224395B1 (en)
GB (1) GB1413453A (en)
IT (1) IT1009663B (en)
NL (1) NL7404226A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505645A (en) * 1974-07-30 1978-03-30 Stothert & Pitt Ltd Apparatus for use in raising or lowering a load in a condition of relative motion
US4021019A (en) * 1975-03-24 1977-05-03 British Columbia Research Council Heave compensating cranes
US4050359A (en) * 1975-09-04 1977-09-27 Brunswick Corporation Hydraulic power trim and power tilt system supply
US4005780A (en) * 1975-11-10 1977-02-01 The Manitowoc Company, Inc. Boom stop and back hitch compensating system
US4145959A (en) * 1977-02-23 1979-03-27 Teledyne Mccormick Selph, An Operating Division Of Teledyne Industries, Inc. Constant speed actuator
NL167132C (en) * 1977-05-09 1981-11-16 Hydraudyne Bv DEVICE FOR HANGING A LOAD FROM A VESSEL UNDER THE WATERLINE.
US4179233A (en) * 1977-07-14 1979-12-18 National Advanced Drilling Machines, Inc. Vertical motion compensated crane apparatus
DE2748674A1 (en) * 1977-10-29 1979-05-10 Hydraulik Brattvaag As Rough sea load transfer unit - subjects crane hook to wave movement in synchronism with relative movement
US4268013A (en) * 1978-06-12 1981-05-19 Nl Industries, Inc. Crane motion compensator
US4354608A (en) * 1979-06-08 1982-10-19 Continental Emsco Company Motion compensator and control system for crane
FR2494244A1 (en) * 1980-11-17 1982-05-21 Bretagne Atel Chantiers Crane for lifting and depositing loads - has hydraulic crane cable actuator operative to compensate between two relatively vertically movable support surfaces e.g. dock and ship
FR2496624A1 (en) * 1980-12-23 1982-06-25 Bretagne Atel Chantiers DEVICE FOR SHOCK ABSORBING BETWEEN A LOAD AND A FLOATING SUPPORT AT THE TIME OF REMOVAL OF THE LOAD
US4516473A (en) * 1981-05-07 1985-05-14 Shokestu Kinzoku Kogyo Kabushiki Kaisha Cylinder driving system
US4494631A (en) * 1982-09-27 1985-01-22 Sloan Valve Company Combination air cylinder and hydraulic slack adjuster
DE3430085A1 (en) * 1984-08-16 1986-02-27 PHB Weserhütte AG, 5000 Köln PLASTIC-ELASTIC SLIDING JOINT TO BE INSERTED INTO THE LOAD ROPE OF LIFTS
US4688764A (en) * 1984-10-31 1987-08-25 Nl Industries, Inc. Crown block compensator
US4850571A (en) * 1988-04-11 1989-07-25 United States Of America Connector assembly
US5140894A (en) * 1991-01-16 1992-08-25 Axelson, Inc. Gas spring actuator
US5965994A (en) * 1997-06-20 1999-10-12 Seo; Dong Il Automatic vertical moving systems and control methods therefor
GB0205252D0 (en) * 2002-03-06 2002-04-17 Stolt Offshore Ltd Method and apparatus for deploying articles deep waters
NL1023814C2 (en) * 2003-07-03 2005-01-04 Itrec Bv Hydraulic crane for e.g. boat, has pressure regulating valve in line between hydraulic devices connected to chamber pressure and top cable load sensors
US7389973B1 (en) * 2007-02-15 2008-06-24 Samson Rope Technologies Tensioning systems and methods for line spooling
GB0705110D0 (en) * 2007-03-16 2007-04-25 Lewis Ltd Wireline intervention system
NO334789B1 (en) * 2011-04-04 2014-05-26 Rolls Royce Marine As Device for tensioning a rope or cable
US8770272B2 (en) 2011-05-18 2014-07-08 Halliburton Energy Services, Inc. Managing tensile forces in a cable
US9174705B2 (en) * 2013-04-11 2015-11-03 Terje W. Eilertsen Compensated lashing of tender assist drilling unit to a floating production facility
CN109399456B (en) * 2017-08-18 2020-05-19 天海融合防务装备技术股份有限公司 Hoisting equipment with lifting rope motion sensing mechanism and hoisting control method thereof
US10669137B2 (en) * 2017-09-25 2020-06-02 Wt Industries, Llc Heave compensation system
CN109230904B (en) * 2018-08-14 2023-11-03 中国南方电网有限责任公司超高压输电公司广州局海口分局 Cable direction follow-up ROV winch applied to unpowered positioning mother ship
WO2024117914A2 (en) * 2022-12-01 2024-06-06 Nekkar Asa Heave compensable crane and method of hoisting a load

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588037A (en) * 1950-09-30 1952-03-04 Orton Crane & Shovel Company Tagline mechanism
US2897907A (en) * 1955-08-31 1959-08-04 Jersey Prod Res Co Weight handling mechanism
US3265218A (en) * 1963-02-07 1966-08-09 Giovannetti Macchine S P A Side boom pipe layer
DE1301026B (en) * 1964-11-14 1969-08-14 Reinhard Hoernlein Kg Holz Und Hydropneumatic lifting unit, especially for height-adjustable tables and chairs
US3311351A (en) * 1966-02-02 1967-03-28 William W Blakely Shock absorbing device
GB1232598A (en) * 1967-11-13 1971-05-19
NL140448B (en) * 1969-04-24 1973-12-17 Ihc Holland Nv PNEUMATIC IMPACT TOOL.
US3719041A (en) * 1971-02-05 1973-03-06 Secr Defence Temperature-responsive control for gas turbine engines

Also Published As

Publication number Publication date
GB1413453A (en) 1975-11-12
FR2224395B1 (en) 1978-01-13
ES424907A1 (en) 1976-06-01
US3871527A (en) 1975-03-18
DE2414181A1 (en) 1974-10-24
FR2224395A1 (en) 1974-10-31
NL7404226A (en) 1974-10-08
JPS49135352A (en) 1974-12-26

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