CA1330761C - Stratified air scavenging in two-stroke engine - Google Patents

Stratified air scavenging in two-stroke engine

Info

Publication number
CA1330761C
CA1330761C CA000590314A CA590314A CA1330761C CA 1330761 C CA1330761 C CA 1330761C CA 000590314 A CA000590314 A CA 000590314A CA 590314 A CA590314 A CA 590314A CA 1330761 C CA1330761 C CA 1330761C
Authority
CA
Canada
Prior art keywords
air
cylinder
fuel
crankcase
piston
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
CA000590314A
Other languages
English (en)
French (fr)
Inventor
Charles Henry Tuckey
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.)
Walbro Corp
Original Assignee
Walbro 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 Walbro Corp filed Critical Walbro Corp
Application granted granted Critical
Publication of CA1330761C publication Critical patent/CA1330761C/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/02—Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
    • 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
    • F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
    • 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
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • 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
    • 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
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
CA000590314A 1988-02-08 1989-02-07 Stratified air scavenging in two-stroke engine Expired - Fee Related CA1330761C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15320488A 1988-02-08 1988-02-08
US153,204 1988-02-08

Publications (1)

Publication Number Publication Date
CA1330761C true CA1330761C (en) 1994-07-19

Family

ID=22546205

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000590314A Expired - Fee Related CA1330761C (en) 1988-02-08 1989-02-07 Stratified air scavenging in two-stroke engine

Country Status (4)

Country Link
JP (1) JPH01227818A (enrdf_load_stackoverflow)
AU (1) AU602282B2 (enrdf_load_stackoverflow)
CA (1) CA1330761C (enrdf_load_stackoverflow)
DE (1) DE3902504A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2577900B2 (ja) * 1987-02-18 1997-02-05 イハラケミカル工業 株式会社 ポリ尿素樹脂の製造方法
DE3930894A1 (de) * 1989-09-15 1991-03-28 Audi Ag Schlitzgesteuerte zweitakt-hubkolben-brennkraftmaschine
DE4241429A1 (de) * 1992-12-09 1994-06-30 Svein Wieneke Opto-Elektronische Steuerung des Auslass-Kanals für Zweitakt-Verbrennungsmotoren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE115715C (enrdf_load_stackoverflow) *
AT167985B (de) * 1949-07-08 1951-03-27 Franz Czaak Zweitakt-Brennkraftmaschine
US3687118A (en) * 1969-07-14 1972-08-29 Yamaha Hatsudaki Kk Crank chamber compression-type two-cycle engine
JPS5523315A (en) * 1978-08-02 1980-02-19 Nippon Soken Inc Two-cycle internal combustion engine
SE463983B (sv) * 1985-10-07 1991-02-18 Orbital Eng Pty Foerfarande foer att dosera braensle till en foerbraenningsmotor

Also Published As

Publication number Publication date
JPH01227818A (ja) 1989-09-12
JPH0433967B2 (enrdf_load_stackoverflow) 1992-06-04
AU2851289A (en) 1989-08-10
DE3902504A1 (de) 1989-08-17
AU602282B2 (en) 1990-10-04

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Legal Events

Date Code Title Description
MKLA Lapsed