GB2240857B - Flow restrictor - Google Patents

Flow restrictor

Info

Publication number
GB2240857B
GB2240857B GB9105411A GB9105411A GB2240857B GB 2240857 B GB2240857 B GB 2240857B GB 9105411 A GB9105411 A GB 9105411A GB 9105411 A GB9105411 A GB 9105411A GB 2240857 B GB2240857 B GB 2240857B
Authority
GB
United Kingdom
Prior art keywords
flow restrictor
restrictor
flow
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
GB9105411A
Other versions
GB9105411D0 (en
GB2240857A (en
Inventor
Paul F Hayner
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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
Priority claimed from US07/050,522 external-priority patent/US4719942A/en
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of GB9105411D0 publication Critical patent/GB9105411D0/en
Publication of GB2240857A publication Critical patent/GB2240857A/en
Application granted granted Critical
Publication of GB2240857B publication Critical patent/GB2240857B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0438—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the nozzle-flapper type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02781—The regulating element being provided with radial outputs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Servomotors (AREA)
GB9105411A 1987-05-18 1991-03-14 Flow restrictor Expired - Fee Related GB2240857B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/050,522 US4719942A (en) 1987-05-18 1987-05-18 Hydraulic valve assembly
GB8811711A GB2204967B (en) 1987-05-18 1988-05-18 Hydraulic valve assembly

Publications (3)

Publication Number Publication Date
GB9105411D0 GB9105411D0 (en) 1991-05-01
GB2240857A GB2240857A (en) 1991-08-14
GB2240857B true GB2240857B (en) 1992-01-22

Family

ID=26293899

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9105412A Expired - Fee Related GB2240835B (en) 1987-05-18 1991-03-14 Valve structure
GB9105411A Expired - Fee Related GB2240857B (en) 1987-05-18 1991-03-14 Flow restrictor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9105412A Expired - Fee Related GB2240835B (en) 1987-05-18 1991-03-14 Valve structure

Country Status (1)

Country Link
GB (2) GB2240835B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019193A1 (en) * 2012-09-24 2014-03-27 Hydac Electronic Gmbh Valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977435A (en) * 1974-02-21 1976-08-31 Charles Bates Controlled pressure drop valve
GB1454020A (en) * 1973-11-14 1976-10-27 Copes Vulcan Inc Fluid control device shelf
EP0059887A1 (en) * 1981-03-04 1982-09-15 Gulde-Regelarmaturen GmbH & Co. KG Throttling valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH408575A (en) * 1964-10-20 1966-02-28 Lucifer Sa Poppet valve
US3970100A (en) * 1975-05-07 1976-07-20 Parker-Hannifin Corporation Priority valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1454020A (en) * 1973-11-14 1976-10-27 Copes Vulcan Inc Fluid control device shelf
US3977435A (en) * 1974-02-21 1976-08-31 Charles Bates Controlled pressure drop valve
EP0059887A1 (en) * 1981-03-04 1982-09-15 Gulde-Regelarmaturen GmbH & Co. KG Throttling valve

Also Published As

Publication number Publication date
GB9105411D0 (en) 1991-05-01
GB2240857A (en) 1991-08-14
GB2240835A (en) 1991-08-14
GB9105412D0 (en) 1991-05-01
GB2240835B (en) 1992-01-22

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Legal Events

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

Effective date: 19920518