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GB2235724B - A piston for an i.c.engine having a combustion chamber liner secured therein. - Google Patents

A piston for an i.c.engine having a combustion chamber liner secured therein.

Info

Publication number
GB2235724B
GB2235724B GB9018355A GB9018355A GB2235724B GB 2235724 B GB2235724 B GB 2235724B GB 9018355 A GB9018355 A GB 9018355A GB 9018355 A GB9018355 A GB 9018355A GB 2235724 B GB2235724 B GB 2235724B
Authority
GB
United Kingdom
Prior art keywords
piston
engine
combustion chamber
chamber liner
liner secured
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
GB9018355A
Other versions
GB9018355D0 (en
GB2235724A (en
Inventor
Renato Ongetta
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.)
Borgo Nova SpA
Original Assignee
Borgo Nova SpA
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 Borgo Nova SpA filed Critical Borgo Nova SpA
Publication of GB9018355D0 publication Critical patent/GB9018355D0/en
Publication of GB2235724A publication Critical patent/GB2235724A/en
Application granted granted Critical
Publication of GB2235724B publication Critical patent/GB2235724B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • F02F3/28—Other pistons with specially-shaped head
    • F02F3/285—Other pistons with specially-shaped head the head being provided with an insert located in or on the combustion-gas-swept surface
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
GB9018355A 1989-09-04 1990-08-21 A piston for an i.c.engine having a combustion chamber liner secured therein. Expired - Fee Related GB2235724B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8967738A IT1236586B (en) 1989-09-04 1989-09-04 FIXING DEVICE

Publications (3)

Publication Number Publication Date
GB9018355D0 GB9018355D0 (en) 1990-10-03
GB2235724A GB2235724A (en) 1991-03-13
GB2235724B true GB2235724B (en) 1993-09-22

Family

ID=11304906

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898925672A Pending GB8925672D0 (en) 1989-09-04 1989-11-14 Fastening arrangements
GB9018355A Expired - Fee Related GB2235724B (en) 1989-09-04 1990-08-21 A piston for an i.c.engine having a combustion chamber liner secured therein.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898925672A Pending GB8925672D0 (en) 1989-09-04 1989-11-14 Fastening arrangements

Country Status (4)

Country Link
DE (1) DE9012600U1 (en)
FR (1) FR2651551B1 (en)
GB (2) GB8925672D0 (en)
IT (1) IT1236586B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB357586A (en) * 1930-06-25 1931-09-25 Harry Ralph Ricardo Improvements in or relating to internal combustion engines of the liquid fuel injection compression ignition type
GB2039666A (en) * 1979-01-11 1980-08-13 Gen Motors Corp Diesel engine oil cooled piston

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB122162A (en) * 1918-10-28 1919-01-16 North British Diesel Engine Wo Improvements in Pistons for Internal Combustion Engines.
GB133652A (en) * 1919-07-02 1919-10-16 Philip Hopkins Smith Improvements in and relating to Cores for Pistons of Internal Combustion Engines.
DE1939435A1 (en) * 1969-08-02 1971-02-11 Daimler Benz Ag Recessed pistons for internal combustion engines
DE2513324A1 (en) * 1975-03-26 1976-10-07 Schmidt Gmbh Karl LIGHT ALLOY PISTON FOR FOUR-STROKE COMBUSTION MACHINERY
GB1588515A (en) * 1976-09-02 1981-04-23 Ass Eng Ltd Pistons
AT402328B (en) * 1987-05-04 1997-04-25 Avl Verbrennungskraft Messtech INTERNAL COMBUSTION ENGINE, IN PARTICULAR PISTON PISTON INTERNAL COMBUSTION ENGINE WITH AUTO IGNITION

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB357586A (en) * 1930-06-25 1931-09-25 Harry Ralph Ricardo Improvements in or relating to internal combustion engines of the liquid fuel injection compression ignition type
GB2039666A (en) * 1979-01-11 1980-08-13 Gen Motors Corp Diesel engine oil cooled piston

Also Published As

Publication number Publication date
GB8925672D0 (en) 1990-01-04
FR2651551B1 (en) 1993-07-16
DE9012600U1 (en) 1990-12-06
FR2651551A1 (en) 1991-03-08
IT8967738A0 (en) 1989-09-04
GB9018355D0 (en) 1990-10-03
GB2235724A (en) 1991-03-13
IT1236586B (en) 1993-03-16

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Legal Events

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

Effective date: 20010821