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GB2110791B - Variable compression ratio pistons - Google Patents

Variable compression ratio pistons

Info

Publication number
GB2110791B
GB2110791B GB08233275A GB8233275A GB2110791B GB 2110791 B GB2110791 B GB 2110791B GB 08233275 A GB08233275 A GB 08233275A GB 8233275 A GB8233275 A GB 8233275A GB 2110791 B GB2110791 B GB 2110791B
Authority
GB
United Kingdom
Prior art keywords
compression ratio
variable compression
ratio pistons
pistons
variable
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
Application number
GB08233275A
Other versions
GB2110791A (en
Inventor
Henry Edwin Woodward
Martin Leonard Stanley Flint
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.)
British Internal Combustion Engine Research Institute
Original Assignee
British Internal Combustion Engine Research Institute
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 British Internal Combustion Engine Research Institute filed Critical British Internal Combustion Engine Research Institute
Priority to GB08233275A priority Critical patent/GB2110791B/en
Publication of GB2110791A publication Critical patent/GB2110791A/en
Application granted granted Critical
Publication of GB2110791B publication Critical patent/GB2110791B/en
Expired legal-status Critical Current

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 
    • F02F3/16—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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/044—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of an adjustable piston length
    • 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 
    • F02F3/0015—Multi-part pistons
    • F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
    • F02F2003/0061—Multi-part pistons the parts being connected by casting, brazing, welding or clamping by welding

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
GB08233275A 1981-11-25 1982-11-22 Variable compression ratio pistons Expired GB2110791B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08233275A GB2110791B (en) 1981-11-25 1982-11-22 Variable compression ratio pistons

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8135546 1981-11-25
GB8209121 1982-03-29
GB08233275A GB2110791B (en) 1981-11-25 1982-11-22 Variable compression ratio pistons

Publications (2)

Publication Number Publication Date
GB2110791A GB2110791A (en) 1983-06-22
GB2110791B true GB2110791B (en) 1985-07-24

Family

ID=27261378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08233275A Expired GB2110791B (en) 1981-11-25 1982-11-22 Variable compression ratio pistons

Country Status (1)

Country Link
GB (1) GB2110791B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714762A1 (en) * 1987-05-04 1988-11-24 Bayerische Motoren Werke Ag PISTON WITH VARIABLE HEIGHT
US8291891B2 (en) 2008-06-17 2012-10-23 Southwest Research Institute EGR system with dedicated EGR cylinders
US8151691B2 (en) 2008-12-04 2012-04-10 Southwest Research Institute Variable compression ratio piston with rate-sensitive response
US8944034B2 (en) 2011-02-11 2015-02-03 Southwest Research Institute Dedicated EGR control strategy for improved EGR distribution and engine performance
US8561599B2 (en) 2011-02-11 2013-10-22 Southwest Research Institute EGR distributor apparatus for dedicated EGR configuration
US10233809B2 (en) 2014-09-16 2019-03-19 Southwest Research Institute Apparatus and methods for exhaust gas recirculation for an internal combustion engine powered by a hydrocarbon fuel
US10125726B2 (en) 2015-02-25 2018-11-13 Southwest Research Institute Apparatus and methods for exhaust gas recirculation for an internal combustion engine utilizing at least two hydrocarbon fuels
US9797349B2 (en) 2015-05-21 2017-10-24 Southwest Research Institute Combined steam reformation reactions and water gas shift reactions for on-board hydrogen production in an internal combustion engine
US9657692B2 (en) 2015-09-11 2017-05-23 Southwest Research Institute Internal combustion engine utilizing two independent flow paths to a dedicated exhaust gas recirculation cylinder
US9874193B2 (en) 2016-06-16 2018-01-23 Southwest Research Institute Dedicated exhaust gas recirculation engine fueling control
US10495035B2 (en) 2017-02-07 2019-12-03 Southwest Research Institute Dedicated exhaust gas recirculation configuration for reduced EGR and fresh air backflow
FR3079893B1 (en) * 2018-04-04 2020-04-17 Andre Roland Prieur VARIABLE LENGTH CONNECTING ROD FOR INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATE
CN112963260B (en) * 2021-03-29 2022-04-26 潍柴动力股份有限公司 Piston structure, engine and vehicle

Also Published As

Publication number Publication date
GB2110791A (en) 1983-06-22

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Legal Events

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