GB2319297B - Piston with chamber - Google Patents

Piston with chamber

Info

Publication number
GB2319297B
GB2319297B GB9623700A GB9623700A GB2319297B GB 2319297 B GB2319297 B GB 2319297B GB 9623700 A GB9623700 A GB 9623700A GB 9623700 A GB9623700 A GB 9623700A GB 2319297 B GB2319297 B GB 2319297B
Authority
GB
United Kingdom
Prior art keywords
piston
chamber
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
GB9623700A
Other versions
GB9623700D0 (en
GB2319297A (en
Inventor
Roger Harvey Slee
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.)
Federal Mogul Technology Ltd
Original Assignee
Federal Mogul Technology Ltd
T&N Technology Ltd
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 Federal Mogul Technology Ltd, T&N Technology Ltd filed Critical Federal Mogul Technology Ltd
Priority to GB9623700A priority Critical patent/GB2319297B/en
Publication of GB9623700D0 publication Critical patent/GB9623700D0/en
Priority to PCT/GB1997/003127 priority patent/WO1998021465A1/en
Publication of GB2319297A publication Critical patent/GB2319297A/en
Application granted granted Critical
Publication of GB2319297B publication Critical patent/GB2319297B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0009—Cylinders, pistons
    • B22D19/0027—Cylinders, pistons pistons
    • 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
    • F02B21/00—Engines characterised by air-storage chambers
    • F02B21/02—Chamber shapes or constructions
    • 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
    • F02B23/0672—Omega-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 center axis
    • 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
    • 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
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/16—Fibres
    • 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)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
GB9623700A 1996-11-14 1996-11-14 Piston with chamber Expired - Fee Related GB2319297B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9623700A GB2319297B (en) 1996-11-14 1996-11-14 Piston with chamber
PCT/GB1997/003127 WO1998021465A1 (en) 1996-11-14 1997-11-13 Piston with chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9623700A GB2319297B (en) 1996-11-14 1996-11-14 Piston with chamber

Publications (3)

Publication Number Publication Date
GB9623700D0 GB9623700D0 (en) 1997-01-08
GB2319297A GB2319297A (en) 1998-05-20
GB2319297B true GB2319297B (en) 2000-04-12

Family

ID=10802928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9623700A Expired - Fee Related GB2319297B (en) 1996-11-14 1996-11-14 Piston with chamber

Country Status (2)

Country Link
GB (1) GB2319297B (en)
WO (1) WO1998021465A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178942B1 (en) * 1999-10-19 2001-01-30 Sonex Research, Inc. Piston configuration for reducing smoke and particulate emissions from direct injected engines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220031A (en) * 1988-06-25 1989-12-28 T & N Technology Ltd Two-stroke i.c. engine
EP0351438A1 (en) * 1988-07-16 1990-01-24 Köpke, Günter, Dr.-Ing. Internal combustion engine
WO1993025812A1 (en) * 1992-06-17 1993-12-23 Sonex Research, Inc. Combustion chamber for internal combustion engine and process of combustion using fuel radical species

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897769A (en) * 1973-07-18 1975-08-05 Joseph A Jozlin Secondary combustion chambers for internal combustion engines
JPS62240460A (en) * 1986-04-11 1987-10-21 Toyota Motor Corp Diesel engine piston
US4898135A (en) 1989-02-16 1990-02-06 Sonex Research, Inc. Piston and process for achieving controlled ignition and combustion of hydrocarbon fuels in internal combustion engines by generation and management of fuel radical species
GB9304528D0 (en) 1993-03-05 1993-04-21 T & N Technology Ltd Piston with cavity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220031A (en) * 1988-06-25 1989-12-28 T & N Technology Ltd Two-stroke i.c. engine
EP0351438A1 (en) * 1988-07-16 1990-01-24 Köpke, Günter, Dr.-Ing. Internal combustion engine
WO1993025812A1 (en) * 1992-06-17 1993-12-23 Sonex Research, Inc. Combustion chamber for internal combustion engine and process of combustion using fuel radical species

Also Published As

Publication number Publication date
GB9623700D0 (en) 1997-01-08
GB2319297A (en) 1998-05-20
WO1998021465A1 (en) 1998-05-22

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Legal Events

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

Effective date: 20001114