BR112018007967A2 - sistema de molas para altas cargas de trabalho - Google Patents

sistema de molas para altas cargas de trabalho

Info

Publication number
BR112018007967A2
BR112018007967A2 BR112018007967A BR112018007967A BR112018007967A2 BR 112018007967 A2 BR112018007967 A2 BR 112018007967A2 BR 112018007967 A BR112018007967 A BR 112018007967A BR 112018007967 A BR112018007967 A BR 112018007967A BR 112018007967 A2 BR112018007967 A2 BR 112018007967A2
Authority
BR
Brazil
Prior art keywords
springs
pair
spring system
spring
present
Prior art date
Application number
BR112018007967A
Other languages
English (en)
Other versions
BR112018007967B1 (pt
Inventor
Andueza Alejandro
Original Assignee
Fmc Technologies Brasil Ltda
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 Fmc Technologies Brasil Ltda filed Critical Fmc Technologies Brasil Ltda
Publication of BR112018007967A2 publication Critical patent/BR112018007967A2/pt
Publication of BR112018007967B1 publication Critical patent/BR112018007967B1/pt

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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087—Units comprising several springs made of plastics or the like material
    • F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
    • F16F3/0876—Units comprising several springs made of plastics or the like material of the same material or the material not being specified and of the same shape
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/366—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers made of fibre-reinforced plastics, i.e. characterised by their special construction from such materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0007—Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

a presente invenção refere-se a sistemas de molas para aplicações submarinas e em projetos de equipamentos para a área de óleo e gás. os sistemas de molas segundo a presente invenção são preferencialmente fabricados com materiais compósitos e compreendem, pelo menos, um par de molas (3) consistindo de um primeiro componente de mola (1) e um segundo componente de mola (2), montado de modo a oferecer uma primeira região de contato central (4) e áreas de dupla curvatura e ressalto formando um engate (6), dito par de molas (3) sendo assim auto-centralizável.
BR112018007967-7A 2015-12-14 Sistema de molas para altas cargas de trabalho BR112018007967B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2015/050255 WO2017100872A1 (pt) 2015-12-14 2015-12-14 Sistema de molas para altas cargas de trabalho

Publications (2)

Publication Number Publication Date
BR112018007967A2 true BR112018007967A2 (pt) 2018-10-30
BR112018007967B1 BR112018007967B1 (pt) 2023-06-13

Family

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Also Published As

Publication number Publication date
EP3392519A1 (en) 2018-10-24
US20180363722A1 (en) 2018-12-20
WO2017100872A1 (pt) 2017-06-22
US10808787B2 (en) 2020-10-20

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/12/2015, OBSERVADAS AS CONDICOES LEGAIS