DE657635T1 - Brennkraftmaschine mit Vorbrennkammern. - Google Patents

Brennkraftmaschine mit Vorbrennkammern.

Info

Publication number
DE657635T1
DE657635T1 DE0657635T DE94308549T DE657635T1 DE 657635 T1 DE657635 T1 DE 657635T1 DE 0657635 T DE0657635 T DE 0657635T DE 94308549 T DE94308549 T DE 94308549T DE 657635 T1 DE657635 T1 DE 657635T1
Authority
DE
Germany
Prior art keywords
combustion chambers
engine
main
cylinder head
connecting channels
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.)
Pending
Application number
DE0657635T
Other languages
English (en)
Inventor
Hideo Kawamura
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.)
Isuzu Ceramics Research Institute Co Ltd
Original Assignee
Isuzu Ceramics Research Institute Co 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
Priority claimed from JP33920293A external-priority patent/JP3387185B2/ja
Priority claimed from JP5339201A external-priority patent/JP2722374B2/ja
Application filed by Isuzu Ceramics Research Institute Co Ltd filed Critical Isuzu Ceramics Research Institute Co Ltd
Publication of DE657635T1 publication Critical patent/DE657635T1/de
Pending 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0085—Materials for constructing engines or their parts
    • F02F7/0087—Ceramic materials
    • 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
    • F02B23/0618—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
    • 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
    • F02B23/0633—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 being almost completely enclosed in the piston, i.e. having a small inlet in comparison to its volume
    • 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
    • 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
    • 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
    • F02B2023/0612—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 the material having a high temperature and pressure resistance, e.g. ceramic
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (9)

ANSPRÜCHE
1. Motor mit Vorverbrennungskaitunern, der aufweist: einen an einem mit Zylindern (8) versehenen Zylinderblock (20) befestigten Zylinderkopf (15), Auslaßsaugventile (13) zum Öffnen und Schließen von Auslaßsaugkanälen (14) in dem Zylinderkopf (15), Hauptverbrennungskammern (1) in den Zylindern (8), Kolben (3) mit Kolbenköpfen (7), in denen Vorverbrennungskammern (2) vorgesehen sind sowie an den Kolbenköpfen (7) befestigte Kolbenmäntel (9), die in den Zylindern (8) hin- und herbewegbar sind, die Hauptverbrennungskammern (1) und die Vorverbrennungskammern (2) miteinander verbindende Verbindungskanäle (5,6) sowie am Zylinderkopf (15) befestigte Kraftstoffeinspritzdüsen (10) zum Einspritzen von Kraftstoff in die Vorverbrennungskammern (2), wobei:
die Hauptverbrennungskammern (1) durch in den Kolben
(3) oder im Zylinderkopf (10) vorgesehene Ausnehmungen (34) gebildet sind,
die Vorverbrennungskammern (2) im wesentlichen in in den Mittelabschnitten der Kolbenköpfe (7) ausgebildet sind,
die Verbindungskanäle (5,6) aus Hauptverbindungska-
Postbank Karlsruhe 769 79-754 · Deutsche Bank AG Viüingen (BLZ 694 700 39) 146 332
VAT. No. DE 142989261
0557 635
nälen (5) im wesentlichen in den Mittelabschnitten der Kolbenköpfe (7), welche die Hauptverbrennungskammern (1) mit den Vorverbrennungskammern (2) verbinden, sowie aus Hilfsverbindungskanälen (6) bestehen, die rings um die Hauptverbindungskanäle (5) derart ausgebildet sind, daß sie sich geneigt zu den Umfangen der Zylinder (8) erstrecken und die Hauptverbrennungskammern (1) mit den Vorverbrennungskammern (2) verbinden, und
die Kraftstoffeinspritzdüsen (10) einen wärmeisolierenden Aufbau besitzen und geeignet sind, in die Hauptverbindungskanäle (5) an Stellen in der Nachbarschaft der oberen Totpunkte der Kolben (3) vorzustehen und dieselben zu verschließen, und die mit Einspritzkanälen (22) zum Einspritzen eines Kraftstoffes in die Vorverbrennungskammern (2) versehen sind.
2. Motor mit Vorverbrennungskammern nach Anspruch 1, bei welchem die Kolbenköpfe (7) aus einem hitzebeständigen Material hergestellt sind, wobei die Kolbenköpfe (7) und die Kolbenmäntel (9) durch Einpassen von Vorverbrennungskammer-Wandabschnitten (11), welche die Vorverbrennungskammern (2) bilden, in zentralen Montageöffnungen (16) in den Kolbenmäntel (9) aneinander festlegbar sind.
3. Motor mit Vorverbrennungskammern nach Anspruch 1, bei welchem der wärmeisolierende Aufbau der Kraftstoffeinspritzdüsen (10) an den äußeren Umfangsabschnitten derselben angebrachte wärmeisolierende Deckel (12) aufweist.
4. Motor mit Vorverbrennungskammern nach Anspruch 1, bei welchem die die Hauptverbrennungskammern (1) bildenden
&ogr;
Hohlräume (4), die in den Kolben (3) vorgesehen sind, konisch ausgebildet sind, so daß sie zu den Mitten der Kolbenköpfe (7) hin konvergieren.
5. Motor mit Vorverbrennungskammern nach Anspruch 4, bei welchem die in den Kolbenköpfen (7) konisch vorgesehenen Hauptverbrennungskammern (1) derart ausgebildet sind, daß die Höhe der Zwischenräume zwischen den oberen Flächen (27) der Kolbenköpfe (7) und der unteren Fläche (26) des Zylinderkopfes (15) in den Totpunkten der Kolben (3) an Umfangen der Kolben (3) so klein wie möglich und zunehmend größer gegen die Mitten der Kolben (3) hin eingestellt sind.
6. Motor mit Vorverbrennungskammern nach Anspruch 1, bei welchem die Hohlräume (34), welche die Hauptverbrennungskammern (1) bilden, im Zylinderkopf (15) in den Abschnitten einer unteren Fläche (26) des Zylinderkopfes (15) ausgebildet sind, welche rings um die Kraftstoffeinspritzdüsen (10) angeordnet sind.
7. Motor nach Anspruch 6, bei welchem die Hilfsverbindungskanäle (6) in einer versetzten Anordnung bezüglich der Mitten der Vorverbrennungskammern (2) ausgebildet sind, wodurch die von den Vorverbrennungskammern (2) in die Hohlräume (34) durch die Hilfsverbindurigskanäle (6) injizierten Flammenströmungen gedreht und mit in den Hauptverbrennungskammern (1) vorhandenen Saugwirbeln vermischt werden.
8. Motor mit Vorverbrennungskammern nach Anspruch 6, bei welchem die Hohlräume (34) in im Zylinderkopf (15) ausgebildeten Ventilauslaßausnehmungen oder in den
Bereichen desselben vorgesehen sind, die sich von den Auslaßausnehmungen unterscheiden.
9. Motor mit Vorverbrennungskammern nach Anspruch 6, bei welchem die Hohlräume (34) mit Auslaßausnehmungen (28) für Flammen versehen sind, die sich zu den Umfangen der sich drehenden Flammenströmungen erweitern, welche von den Vorverbrennungskammern (2) in die Hauptverbrennungskammern (1) durch die Hilfsverbindungskanäle (6) injiziert werden.
DE0657635T 1993-12-06 1994-11-18 Brennkraftmaschine mit Vorbrennkammern. Pending DE657635T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33920293A JP3387185B2 (ja) 1993-12-06 1993-12-06 副室を備えた燃焼室
JP5339201A JP2722374B2 (ja) 1993-12-06 1993-12-06 副室を備えた燃焼室

Publications (1)

Publication Number Publication Date
DE657635T1 true DE657635T1 (de) 1996-05-02

Family

ID=26576359

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69411683T Expired - Fee Related DE69411683T2 (de) 1993-12-06 1994-11-18 Brennkraftmaschine mit Vorbrennkammern
DE0657635T Pending DE657635T1 (de) 1993-12-06 1994-11-18 Brennkraftmaschine mit Vorbrennkammern.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69411683T Expired - Fee Related DE69411683T2 (de) 1993-12-06 1994-11-18 Brennkraftmaschine mit Vorbrennkammern

Country Status (3)

Country Link
US (1) US5515823A (de)
EP (1) EP0657635B1 (de)
DE (2) DE69411683T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645028A (en) * 1995-11-21 1997-07-08 Isuzu Motors Limited Piston structure with a combustion chamber
DE69701017T2 (de) * 1996-05-24 2000-06-29 Isuzu Ceramics Research Institute Co., Ltd. Dieselbrennkraftmaschine mit schwer verdampfbarem Brennstoff
US6854439B2 (en) * 2002-03-02 2005-02-15 Jose Francisco Regueiro Prechamber combustion system
US20130291827A1 (en) * 2012-05-02 2013-11-07 Byung Hahn HAH Internal combustion cyclone engine
US10125666B2 (en) 2016-01-14 2018-11-13 Nautilus Engineering, Llc Systems and methods of compression ignition engines
US10927750B2 (en) 2016-01-14 2021-02-23 Nautilus Engineering, Llc Systems and methods of compression ignition engines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1633541A (en) * 1925-01-14 1927-06-21 Firm Friedrich Deckel Prazisio Internal-combustion engine
US1708056A (en) * 1927-07-22 1929-04-09 Louis O French Internal-combustion engine
US2151218A (en) * 1936-12-24 1939-03-21 Lutz Johann Werner Diesel engine
US2505999A (en) * 1944-09-22 1950-05-02 Frank J Smith Diesel engine for aircraft
US2831468A (en) * 1954-08-04 1958-04-22 Julius E Witzky Fuel injection for internal combustion engines
US3132633A (en) * 1963-04-11 1964-05-12 Gen Motors Corp Piston assembly
US3424137A (en) * 1967-05-08 1969-01-28 Int Harvester Co Internal combustion engine combustion chamber
JPS60206960A (ja) * 1984-03-31 1985-10-18 Honda Motor Co Ltd 内燃機関用ピストン
JPS6293141A (ja) * 1985-10-18 1987-04-28 Fuji Xerox Co Ltd 用紙分離装置
JP2906418B2 (ja) * 1988-10-21 1999-06-21 いすゞ自動車株式会社 副燃焼室の構造
JP2970098B2 (ja) * 1991-07-22 1999-11-02 いすゞ自動車株式会社 断熱ピストン
JPH06159060A (ja) * 1992-11-19 1994-06-07 Isuzu Ceramics Kenkyusho:Kk 副燃焼室式エンジン
US5425337A (en) * 1992-11-19 1995-06-20 Izusu Ceramics Research Institute Co., Ltd. Pre-chamber type engine

Also Published As

Publication number Publication date
EP0657635A1 (de) 1995-06-14
US5515823A (en) 1996-05-14
DE69411683D1 (de) 1998-08-20
DE69411683T2 (de) 1999-01-07
EP0657635B1 (de) 1998-07-15

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