FR2366490A1 - KINETIC ENERGY ABSORPTION CUSHION - Google Patents

KINETIC ENERGY ABSORPTION CUSHION

Info

Publication number
FR2366490A1
FR2366490A1 FR7729802A FR7729802A FR2366490A1 FR 2366490 A1 FR2366490 A1 FR 2366490A1 FR 7729802 A FR7729802 A FR 7729802A FR 7729802 A FR7729802 A FR 7729802A FR 2366490 A1 FR2366490 A1 FR 2366490A1
Authority
FR
France
Prior art keywords
elements
kinetic energy
cushion
buckling
plate
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.)
Granted
Application number
FR7729802A
Other languages
French (fr)
Other versions
FR2366490B1 (en
Inventor
Robert James Bricmont
Philip Anthony Amilton
Raymond Ming-Long Ting
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.)
Robertson Co H H
Original Assignee
Robertson Co H H
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 Robertson Co H H filed Critical Robertson Co H H
Publication of FR2366490A1 publication Critical patent/FR2366490A1/en
Application granted granted Critical
Publication of FR2366490B1 publication Critical patent/FR2366490B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21D—NUCLEAR POWER PLANT
    • G21D1/00—Details of nuclear power plant
    • G21D1/02—Arrangements of auxiliary equipment
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
    • 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
    • F16L55/005—Devices restraining ruptured tubes from whipping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Vibration Dampers (AREA)

Abstract

La présente invention concerne un coussin d'absorption d'énergie cinétique. Le dispositif est constitué par un coussin placé en face de et sur la trajectoire de l'élément dont il faut absorber l'énergie cinétique et par une plaque frontale 35 destinée à recevoir l'impact, une plaque dorsale 38 pour sa fixation et un noyau constitué par des éléments cellulaires en métal 55A, 55B, certains 55A des éléments étant plus longs et les autres 55B plus courts pour qu'au cours de l'écrasement, la plaque 35 vienne successivement en appui avec les faces terminales 63-64 des élements. La charge de pointe transmise par le dispositif à son support étant égale à la force nécessaire pour amorcer le flambage des éléments 55, les deux charges de pointe se produisant successivement sont réduites par rapport à celle dans un dispositif où le flambage est amorcé simultanément par tous les éléments L'invention est applicable comme sécurité en cas de rupture en aval d'un coude d'une conduite à haute pression.The present invention relates to a cushion for absorbing kinetic energy. The device consists of a cushion placed in front of and on the path of the element whose kinetic energy is to be absorbed and by a front plate 35 intended to receive the impact, a back plate 38 for its fixation and a core constituted by cellular elements of metal 55A, 55B, some 55A of the elements being longer and the others 55B shorter so that during the crushing, the plate 35 comes successively in abutment with the end faces 63-64 of the elements . The peak load transmitted by the device to its support being equal to the force necessary to initiate the buckling of the elements 55, the two peak loads occurring successively are reduced compared to that in a device where the buckling is initiated simultaneously by all The elements The invention is applicable as a safety device in the event of a rupture downstream of an elbow of a high pressure pipe.

FR7729802A 1976-10-04 1977-10-04 KINETIC ENERGY ABSORPTION CUSHION Granted FR2366490A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72894976A 1976-10-04 1976-10-04

Publications (2)

Publication Number Publication Date
FR2366490A1 true FR2366490A1 (en) 1978-04-28
FR2366490B1 FR2366490B1 (en) 1984-02-10

Family

ID=24928922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729802A Granted FR2366490A1 (en) 1976-10-04 1977-10-04 KINETIC ENERGY ABSORPTION CUSHION

Country Status (5)

Country Link
CA (1) CA1069138A (en)
DE (1) DE2744596A1 (en)
FR (1) FR2366490A1 (en)
GB (1) GB1588328A (en)
NL (1) NL7710885A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830305B1 (en) * 1978-07-10 1980-01-24 Kraftwerk Union Ag Fuel transport container
GB2305487A (en) * 1995-09-15 1997-04-09 Darchem Eng Ltd An impact energy absorber having a low initiation load
GB9705201D0 (en) * 1997-03-13 1997-04-30 Darchem Eng Ltd Impact energy absorber
CN105889762A (en) * 2016-06-23 2016-08-24 哈尔滨工业大学 Aluminum-based composite foam material filling pipe whip limiting part
CN113915442B (en) * 2021-10-09 2023-04-18 中国核电工程有限公司 Energy absorption device and fluid transportation system for nuclear power station

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082846A (en) * 1959-07-01 1963-03-26 Avco Corp Shock absorbing device
US3495816A (en) * 1967-06-22 1970-02-17 John Stuart Lyle Variable rate spring reinforced structural member
FR2058954A5 (en) * 1969-08-16 1971-05-28 Dornier System Gmbh
FR2077646A1 (en) * 1967-09-28 1971-11-05 Energy Absorption System
FR2219338A1 (en) * 1973-02-22 1974-09-20 Aerospatiale
FR2288648A1 (en) * 1974-03-05 1976-05-21 Peugeot & Renault ENERGY ABSORBING COMPOSITE BUMPER
FR2364788A2 (en) * 1976-09-21 1978-04-14 Peugeot & Renault ENERGY ABSORBING COMPOSITE BUMPER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428150A (en) * 1966-12-28 1969-02-18 Paul M Muspratt Method and apparatus for gradual absorption of momentum
US3981114A (en) * 1975-06-13 1976-09-21 General Motors Corporation Energy absorbing permanently deformable collapsible column

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082846A (en) * 1959-07-01 1963-03-26 Avco Corp Shock absorbing device
US3495816A (en) * 1967-06-22 1970-02-17 John Stuart Lyle Variable rate spring reinforced structural member
FR2077646A1 (en) * 1967-09-28 1971-11-05 Energy Absorption System
FR2058954A5 (en) * 1969-08-16 1971-05-28 Dornier System Gmbh
FR2219338A1 (en) * 1973-02-22 1974-09-20 Aerospatiale
FR2288648A1 (en) * 1974-03-05 1976-05-21 Peugeot & Renault ENERGY ABSORBING COMPOSITE BUMPER
FR2364788A2 (en) * 1976-09-21 1978-04-14 Peugeot & Renault ENERGY ABSORBING COMPOSITE BUMPER

Also Published As

Publication number Publication date
FR2366490B1 (en) 1984-02-10
DE2744596A1 (en) 1978-04-06
CA1069138A (en) 1980-01-01
GB1588328A (en) 1981-04-23
NL7710885A (en) 1978-04-06

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Legal Events

Date Code Title Description
ST Notification of lapse