GB2087976B - Direct injection engine with an eccentric combustion chamber recess in the piston - Google Patents

Direct injection engine with an eccentric combustion chamber recess in the piston

Info

Publication number
GB2087976B
GB2087976B GB8135040A GB8135040A GB2087976B GB 2087976 B GB2087976 B GB 2087976B GB 8135040 A GB8135040 A GB 8135040A GB 8135040 A GB8135040 A GB 8135040A GB 2087976 B GB2087976 B GB 2087976B
Authority
GB
United Kingdom
Prior art keywords
piston
combustion chamber
direct injection
injection engine
chamber recess
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
GB8135040A
Other versions
GB2087976A (en
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of GB2087976A publication Critical patent/GB2087976A/en
Application granted granted Critical
Publication of GB2087976B publication Critical patent/GB2087976B/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 
    • F02F3/26—Pistons  having combustion chamber in 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
    • F02B23/0618—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
    • F02B23/0621—Squish flow
    • 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
    • F02B23/0636—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 the combustion space having a substantially flat and horizontal bottom
    • F02B23/0639—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 the combustion space having a substantially flat and horizontal bottom the combustion space having substantially the shape of a cylinder
    • 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
    • F02B23/0642—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 the depth of the combustion space being much smaller than the diameter of the piston, e.g. the depth being in the order of one tenth of the diameter
    • 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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/104—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on a side position of the cylinder
    • 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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/108—Swirl flow, i.e. the axis of rotation of the main charge flow motion is vertical
    • 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
    • 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
    • F02B23/0624—Swirl flow
    • 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
GB8135040A 1980-11-26 1981-11-20 Direct injection engine with an eccentric combustion chamber recess in the piston Expired GB2087976B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3044442A DE3044442C1 (en) 1980-11-26 1980-11-26 Combustion process for a reciprocating piston internal combustion engine with direct injection

Publications (2)

Publication Number Publication Date
GB2087976A GB2087976A (en) 1982-06-03
GB2087976B true GB2087976B (en) 1984-08-15

Family

ID=6117574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8135040A Expired GB2087976B (en) 1980-11-26 1981-11-20 Direct injection engine with an eccentric combustion chamber recess in the piston

Country Status (5)

Country Link
JP (1) JPS57119126A (en)
DE (1) DE3044442C1 (en)
FR (1) FR2494768A1 (en)
GB (1) GB2087976B (en)
IT (1) IT1139580B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205322A (en) * 1985-03-07 1986-09-11 Toyota Motor Corp Fuel injection control method of direct-injection diesel engine
JP6032797B2 (en) * 2012-07-18 2016-11-30 日野自動車株式会社 Internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1042881A (en) * 1951-04-02 1953-11-04 Motor Union Arrangement of combustion chamber and injector in combustion engines, especially diesel engines
GB837597A (en) * 1955-07-11 1960-06-15 Hans Krug Improvements in or relating to compression-ignition internal combustion engines
DE1301607B (en) * 1963-11-15 1969-08-21 Kloeckner Humboldt Deutz Ag Injection piston air-compressing internal combustion engine
DE6610078U (en) * 1965-01-14 1973-02-22 Dr-Ing Huber Eugen W Prof AIR COMPRESSING FUEL INJECTION ENGINE WITH HANGING VALVES.
CH478343A (en) * 1967-09-22 1969-09-15 Maschf Augsburg Nuernberg Ag Spark ignition, air-compressing injection internal combustion engine
DE2407783A1 (en) * 1973-02-28 1974-09-12 List Hans COMBUSTION MACHINE WITH COMBUSTION CHAMBER TAP IN THE PISTON BOTTOM
FR2406722A1 (en) * 1977-10-18 1979-05-18 Berliet Automobiles DIRECT INJECTION DIESEL ENGINE WITH MECHANICALLY CONTROLLED INJECTOR

Also Published As

Publication number Publication date
DE3044442C1 (en) 1982-06-03
JPS57119126A (en) 1982-07-24
GB2087976A (en) 1982-06-03
IT1139580B (en) 1986-09-24
IT8125010A0 (en) 1981-11-12
FR2494768A1 (en) 1982-05-28

Similar Documents

Publication Publication Date Title
GB2053347B (en) Diesel engine with auxiliary combustion chamber
ZA814932B (en) Two stroke internal combustion engine
IT1139243B (en) PROCEDURE FOR THE COMBUSTION CYCLE ADJUSTMENT IN AN INTERNAL COMBUSTION ENGINE WITH SEPARATE IGNITION AND INTERNAL COMBUSTION ENGINE WITH SEPARATE IGNITION
GB2233390B (en) An engine with an improved combustion chamber.
DE3069004D1 (en) Injection pump for internal-combustion engine
GB2127486B (en) Reciprocating piston internal combustion engine with water injection
DE3366995D1 (en) Fuel injection piston pump
GB2055448B (en) Diesel engine piston
BG46753A3 (en) Piston for internal combustion engine with combustion chamber
GB2065238B (en) Fuel injection pumps
GB2050506B (en) Direct injection diesel engine
GB2068460B (en) Fuel injection into ic engine piston combustion chambers
DE3382368D1 (en) AIR COMPRESSING INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION.
JPS57212363A (en) Reciprocating plunger type fuel injection pump
EP0236691A3 (en) Fuel injection pump for internal-combustion engines
JPS56135714A (en) Reciprocating piston type internal combustion engine
GB2163278B (en) Fuel injection pump for internal-combustion engines
GB2039614B (en) Two-stroke fuel injection engine with piston controlled ports
JPS5629055A (en) Reciprocating plunger type fuel injection pump
GB2104156B (en) Fuel injection pumps for internal-combustion engines
GB2199369B (en) An internal combustion engine with injected fuel gasifying chamber in piston.
JPS56120812A (en) Internal combustion engine with reciprocate piston mechanism
GB2169656B (en) Diesel engine piston combustion chamber
EP0261538A3 (en) Internal combustion engine piston incorporating an internal combustion chamber
DE3874012T2 (en) COMBUSTION CHAMBER IN A DIRECT INJECTION TYPE ENGINE.

Legal Events

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