FR2639681B1 - PISTON FOR DIESEL ENGINE - Google Patents

PISTON FOR DIESEL ENGINE

Info

Publication number
FR2639681B1
FR2639681B1 FR8815554A FR8815554A FR2639681B1 FR 2639681 B1 FR2639681 B1 FR 2639681B1 FR 8815554 A FR8815554 A FR 8815554A FR 8815554 A FR8815554 A FR 8815554A FR 2639681 B1 FR2639681 B1 FR 2639681B1
Authority
FR
France
Prior art keywords
piston
diesel engine
diesel
engine
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
FR8815554A
Other languages
French (fr)
Other versions
FR2639681A1 (en
Inventor
Mondet Christian
Nikly Jean
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.)
Renault Trucks SAS
Original Assignee
Renault Vehicules Industriels SA
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 Renault Vehicules Industriels SA filed Critical Renault Vehicules Industriels SA
Priority to FR8815554A priority Critical patent/FR2639681B1/en
Publication of FR2639681A1 publication Critical patent/FR2639681A1/en
Application granted granted Critical
Publication of FR2639681B1 publication Critical patent/FR2639681B1/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
    • 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
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0627—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 having in-cylinder means to influence the charge motion having additional bores or grooves machined into the piston for guiding air or charge flow to the piston bowl
    • 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
    • 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
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • 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
FR8815554A 1988-11-29 1988-11-29 PISTON FOR DIESEL ENGINE Expired - Fee Related FR2639681B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8815554A FR2639681B1 (en) 1988-11-29 1988-11-29 PISTON FOR DIESEL ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8815554A FR2639681B1 (en) 1988-11-29 1988-11-29 PISTON FOR DIESEL ENGINE

Publications (2)

Publication Number Publication Date
FR2639681A1 FR2639681A1 (en) 1990-06-01
FR2639681B1 true FR2639681B1 (en) 1993-11-26

Family

ID=9372344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8815554A Expired - Fee Related FR2639681B1 (en) 1988-11-29 1988-11-29 PISTON FOR DIESEL ENGINE

Country Status (1)

Country Link
FR (1) FR2639681B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272630B (en) * 1961-09-20 1968-07-11 Alcan Aluminiumwerke Piston with high thermal and mechanical loads
US4572123A (en) * 1984-06-22 1986-02-25 The University Of British Columbia Internal combustion engine squish jet combustion chamber

Also Published As

Publication number Publication date
FR2639681A1 (en) 1990-06-01

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
CJ Change in legal form
ST Notification of lapse

Effective date: 20070731