DE3916063C2 - Zweitakt-Brennkraftmaschine - Google Patents

Zweitakt-Brennkraftmaschine

Info

Publication number
DE3916063C2
DE3916063C2 DE3916063A DE3916063A DE3916063C2 DE 3916063 C2 DE3916063 C2 DE 3916063C2 DE 3916063 A DE3916063 A DE 3916063A DE 3916063 A DE3916063 A DE 3916063A DE 3916063 C2 DE3916063 C2 DE 3916063C2
Authority
DE
Germany
Prior art keywords
piston
cylinder
crankcase
overflow channels
internal combustion
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
DE3916063A
Other languages
German (de)
English (en)
Other versions
DE3916063A1 (de
Inventor
Takashi Fukuoka
Mitsujiro Mochizuka
Masakuni Hiroshima
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.)
Kioritz Corp
Original Assignee
Kioritz Corp
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 Kioritz Corp filed Critical Kioritz Corp
Publication of DE3916063A1 publication Critical patent/DE3916063A1/de
Application granted granted Critical
Publication of DE3916063C2 publication Critical patent/DE3916063C2/de
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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/002—Integrally formed cylinders and cylinder heads
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/06—Casting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
DE3916063A 1988-05-26 1989-05-17 Zweitakt-Brennkraftmaschine Expired - Fee Related DE3916063C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988069766U JPH0343376Y2 (US08063081-20111122-C00044.png) 1988-05-26 1988-05-26

Publications (2)

Publication Number Publication Date
DE3916063A1 DE3916063A1 (de) 1989-11-30
DE3916063C2 true DE3916063C2 (de) 1996-04-04

Family

ID=13412249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3916063A Expired - Fee Related DE3916063C2 (de) 1988-05-26 1989-05-17 Zweitakt-Brennkraftmaschine

Country Status (3)

Country Link
US (1) US4934345A (US08063081-20111122-C00044.png)
JP (1) JPH0343376Y2 (US08063081-20111122-C00044.png)
DE (1) DE3916063C2 (US08063081-20111122-C00044.png)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771849A (en) * 1995-09-15 1998-06-30 Hamy; Norbert Internal combustion engine with crankcase pressure barrier
SE516698C2 (sv) * 1996-11-15 2002-02-12 Electrolux Ab Förbränningsmotor
DE19724580C2 (de) * 1997-06-11 1999-05-12 Stihl Maschf Andreas Zweitaktmotor für ein handgeführtes Arbeitsgerät
TW403811B (en) * 1998-04-01 2000-09-01 Maruyama Mfg Co Two-stroke cycle engine
JP4341081B2 (ja) * 1998-07-16 2009-10-07 株式会社共立 二サイクル内燃機関及びそのシリンダ
JP3583632B2 (ja) * 1998-12-15 2004-11-04 タナカ工業株式会社 ２サイクルエンジン
US6367431B1 (en) 1999-09-30 2002-04-09 Maruyama Manufacturing Company, Inc. Two-stroke cycle engine
US6564760B2 (en) * 2001-09-20 2003-05-20 Imack Laydera-Collins Stratified scavenging two-cycle internal combustion engine
US20100037874A1 (en) * 2008-08-12 2010-02-18 YAT Electrical Appliance Company, LTD Two-stroke engine emission control
JP5024230B2 (ja) * 2008-08-12 2012-09-12 日立工機株式会社 層状掃気２サイクルエンジン及び２サイクルエンジン工具

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB522682A (US08063081-20111122-C00044.png) *
US1423578A (en) * 1918-07-23 1922-07-25 Arthur G L Neighbour Two-cycle internal-combustion engine
DE662365C (de) * 1936-04-18 1938-07-11 Heinz Doerpmund Steuerung fuer Zweitaktmotoren
US2154975A (en) * 1936-12-29 1939-04-18 Dufour Leon Two-cycle engine
CH214687A (de) * 1938-10-22 1941-05-15 Victoria Werke Ag Zweitaktbrennkraftmaschine.
FR1361336A (fr) * 1963-01-23 1964-05-22 Bristol Siddeley Engines Ltd Moteur à combustion interne
US3797467A (en) * 1972-02-09 1974-03-19 W Tenney Two cycle engine scavenge ports
US4000723A (en) * 1972-08-22 1977-01-04 Performance Industries, Inc. Engine valve means and porting
DE2557262A1 (de) * 1975-12-19 1977-06-30 Schmidt Gmbh Karl Kolben und zylinder fuer zweitakt- brennkraftmaschinen
US4195600A (en) * 1976-04-15 1980-04-01 Yamaha Hatsudoki Kabushiki Kaisha Crankcase chamber compression type two cycle internal combustion engines
JPS5830091Y2 (ja) * 1979-03-30 1983-07-02 川崎重工業株式会社 ２サイクルエンジンのマルチポ−トシリンダ−
US4395978A (en) * 1980-03-24 1983-08-02 Performance Industries, Inc. Fuel porting for two-cycle internal combustion engine
JPS57159918A (en) * 1981-03-25 1982-10-02 Sanshin Ind Co Ltd Two-cycle engine with pressurized crankcase
EP0115758A1 (de) * 1983-01-07 1984-08-15 Alfred Rabl Schlitzgesteuerte Zweitaktbrennkraftmaschine

Also Published As

Publication number Publication date
JPH01174521U (US08063081-20111122-C00044.png) 1989-12-12
DE3916063A1 (de) 1989-11-30
JPH0343376Y2 (US08063081-20111122-C00044.png) 1991-09-11
US4934345A (en) 1990-06-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee