JPH01174521U - - Google Patents
Info
- Publication number
- JPH01174521U JPH01174521U JP1988069766U JP6976688U JPH01174521U JP H01174521 U JPH01174521 U JP H01174521U JP 1988069766 U JP1988069766 U JP 1988069766U JP 6976688 U JP6976688 U JP 6976688U JP H01174521 U JPH01174521 U JP H01174521U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- scavenging
- scavenging passage
- port
- 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.)
- Granted
Links
- 230000002000 scavenging effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988069766U JPH0343376Y2 (US08063081-20111122-C00044.png) | 1988-05-26 | 1988-05-26 | |
| US07/351,503 US4934345A (en) | 1988-05-26 | 1989-05-15 | Two-cycle internal combustion engine |
| DE3916063A DE3916063C2 (de) | 1988-05-26 | 1989-05-17 | Zweitakt-Brennkraftmaschine |
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 |
|---|---|
| JPH01174521U true JPH01174521U (US08063081-20111122-C00044.png) | 1989-12-12 |
| JPH0343376Y2 JPH0343376Y2 (US08063081-20111122-C00044.png) | 1991-09-11 |
Family
ID=13412249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988069766U Expired JPH0343376Y2 (US08063081-20111122-C00044.png) | 1988-05-26 | 1988-05-26 |
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)
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159918A (en) * | 1981-03-25 | 1982-10-02 | Sanshin Ind Co Ltd | Two-cycle engine with pressurized crankcase |
Family Cites Families (13)
| 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 |
| EP0115758A1 (de) * | 1983-01-07 | 1984-08-15 | Alfred Rabl | Schlitzgesteuerte Zweitaktbrennkraftmaschine |
-
1988
- 1988-05-26 JP JP1988069766U patent/JPH0343376Y2/ja not_active Expired
-
1989
- 1989-05-15 US US07/351,503 patent/US4934345A/en not_active Expired - Lifetime
- 1989-05-17 DE DE3916063A patent/DE3916063C2/de not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159918A (en) * | 1981-03-25 | 1982-10-02 | Sanshin Ind Co Ltd | Two-cycle engine with pressurized crankcase |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3916063C2 (de) | 1996-04-04 |
| DE3916063A1 (de) | 1989-11-30 |
| JPH0343376Y2 (US08063081-20111122-C00044.png) | 1991-09-11 |
| US4934345A (en) | 1990-06-19 |
