BR112017008960A2 - pistão - Google Patents

pistão

Info

Publication number
BR112017008960A2
BR112017008960A2 BR112017008960A BR112017008960A BR112017008960A2 BR 112017008960 A2 BR112017008960 A2 BR 112017008960A2 BR 112017008960 A BR112017008960 A BR 112017008960A BR 112017008960 A BR112017008960 A BR 112017008960A BR 112017008960 A2 BR112017008960 A2 BR 112017008960A2
Authority
BR
Brazil
Prior art keywords
less
piston
pin
bore
crown
Prior art date
Application number
BR112017008960A
Other languages
English (en)
Other versions
BR112017008960B1 (pt
Inventor
J Miller Andrew
Inwood Bruce
BRANDT Marc
Original Assignee
Fed Mogul Llc
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 Fed Mogul Llc filed Critical Fed Mogul Llc
Publication of BR112017008960A2 publication Critical patent/BR112017008960A2/pt
Publication of BR112017008960B1 publication Critical patent/BR112017008960B1/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/28—Other pistons with specially-shaped head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0084—Pistons  the pistons being constructed from specific materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22—Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/06—Arrangements for cooling pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/06—Arrangements for cooling pistons
    • F01P3/08—Cooling of piston exterior only, e.g. by jets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

trata-se de um pistão ferroso para motores alimentados com gasolina que têm dimensões que alcançam massa reduzida e desempenho melhorado. a coroa de pistão tem uma espessura de menos de 4 mm e inclui bolsos de válvula com um espaçamento axial entre os bolsos de válvula e um sulco de anel mais superior de menos de 1,5 mm. as protuberâncias de pino têm uma espessura axial de menos de 3,7% de um diâmetro de furo, o qual é o maior diâmetro externo do pistão, medido entre um furo de pino e a coroa em 1 mm a partir da face interna que forma o furo de pino. cada protuberância de pino tem uma espessura radial de menos de 3% do diâmetro de furo medido entre o furo de pino e uma extremidade inferior da protuberância de pino. uma superfície sob coroa apresenta uma área projetada de menos de 45% de uma área de furo de pistão total, em que a área de furo de pistão total é pbd2/4, em que bd é o diâmetro de furo.
BR112017008960-2A 2014-10-30 2015-10-30 Pistão com massa reduzida BR112017008960B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462072748P 2014-10-30 2014-10-30
US62/072,748 2014-10-30
US14/928,033 US10087881B2 (en) 2014-10-30 2015-10-30 Piston
US14/928,033 2015-10-30
PCT/US2015/058294 WO2016070031A1 (en) 2014-10-30 2015-10-30 Piston

Publications (2)

Publication Number Publication Date
BR112017008960A2 true BR112017008960A2 (pt) 2017-12-26
BR112017008960B1 BR112017008960B1 (pt) 2023-05-23

Family

ID=

Also Published As

Publication number Publication date
EP3212917A1 (en) 2017-09-06
CN107110063A (zh) 2017-08-29
US20160123274A1 (en) 2016-05-05
US10087881B2 (en) 2018-10-02
JP2017535714A (ja) 2017-11-30
CN107110063B (zh) 2019-10-22
US20180355819A1 (en) 2018-12-13
KR20170076734A (ko) 2017-07-04
WO2016070031A1 (en) 2016-05-06
US10473056B2 (en) 2019-11-12
JP6640216B2 (ja) 2020-02-05

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: TENNECO INC. (US)

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 30/10/2015, OBSERVADAS AS CONDICOES LEGAIS