GB201401505D0 - Pressure control system - Google Patents

Pressure control system

Info

Publication number
GB201401505D0
GB201401505D0 GBGB1401505.1A GB201401505A GB201401505D0 GB 201401505 D0 GB201401505 D0 GB 201401505D0 GB 201401505 A GB201401505 A GB 201401505A GB 201401505 D0 GB201401505 D0 GB 201401505D0
Authority
GB
United Kingdom
Prior art keywords
control system
pressure control
pressure
control
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.)
Withdrawn
Application number
GBGB1401505.1A
Other versions
GB2522625A (en
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.)
Mincon International Ltd
Original Assignee
Mincon International Ltd
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 Mincon International Ltd filed Critical Mincon International Ltd
Priority to GB1401505.1A priority Critical patent/GB2522625A/en
Publication of GB201401505D0 publication Critical patent/GB201401505D0/en
Priority to PCT/EP2015/051830 priority patent/WO2015114054A1/en
Publication of GB2522625A publication Critical patent/GB2522625A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • 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
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • 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
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control 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
    • F15B2211/40—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
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
GB1401505.1A 2014-01-29 2014-01-29 Pressure control system Withdrawn GB2522625A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1401505.1A GB2522625A (en) 2014-01-29 2014-01-29 Pressure control system
PCT/EP2015/051830 WO2015114054A1 (en) 2014-01-29 2015-01-29 Pressure control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1401505.1A GB2522625A (en) 2014-01-29 2014-01-29 Pressure control system

Publications (2)

Publication Number Publication Date
GB201401505D0 true GB201401505D0 (en) 2014-03-12
GB2522625A GB2522625A (en) 2015-08-05

Family

ID=50287742

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1401505.1A Withdrawn GB2522625A (en) 2014-01-29 2014-01-29 Pressure control system

Country Status (2)

Country Link
GB (1) GB2522625A (en)
WO (1) WO2015114054A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127993B (en) * 2017-08-31 2019-07-15 Pirkan Laatupalvelu Oy Fluid operated drilling device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429320A1 (en) * 1978-06-20 1980-01-18 Secoma ROTO-PERCUTANT HYDRAULIC DRILLING APPARATUS
US4243107A (en) * 1979-01-24 1981-01-06 The Warner & Swasey Company Hydraulic hammer mounted on a movable boom
CH677813A5 (en) * 1988-04-26 1991-06-28 Karagandinskij Polt Institut
KR100260307B1 (en) * 1997-06-11 2000-07-01 최해성 Fluid control device for hydraulic hammer
DE19803449A1 (en) * 1998-01-30 1999-08-05 Krupp Berco Bautechnik Gmbh Pressurized impact device
DE102004035306A1 (en) * 2004-07-21 2006-03-16 Atlas Copco Construction Tools Gmbh Pressure medium operated impact device, in particular hydraulic hammer
FI123634B (en) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Mining equipment, protective valve and method for using mining equipment
US8893827B2 (en) * 2008-09-17 2014-11-25 Jfk Equipment Limited Drilling apparatus
CA2871620C (en) * 2012-04-27 2017-01-03 Schlumberger Canada Limited Wellbore annular pressure control system and method using gas lift in drilling fluid return line

Also Published As

Publication number Publication date
WO2015114054A1 (en) 2015-08-06
GB2522625A (en) 2015-08-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)