ATA141791A - TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE - Google Patents

TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE

Info

Publication number
ATA141791A
ATA141791A AT141791A AT141791A ATA141791A AT A141791 A ATA141791 A AT A141791A AT 141791 A AT141791 A AT 141791A AT 141791 A AT141791 A AT 141791A AT A141791 A ATA141791 A AT A141791A
Authority
AT
Austria
Prior art keywords
channel
purging
crankcase
inlet channel
return valve
Prior art date
Application number
AT141791A
Other languages
German (de)
Other versions
AT400879B (en
Original Assignee
Bombardier Rotax Gmbh
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 Bombardier Rotax Gmbh filed Critical Bombardier Rotax Gmbh
Priority to AT141791A priority Critical patent/AT400879B/en
Publication of ATA141791A publication Critical patent/ATA141791A/en
Application granted granted Critical
Publication of AT400879B publication Critical patent/AT400879B/en

Links

Classifications

    • 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

Landscapes

  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

A two-stroke internal combustion engine with crankcase purging has an inlet channel 7, which is connected to the crankcase 11 and is provided with a non-return valve 15, for the induction of purging air, which can be controlled as a function of the engine load by means of a control member in the inlet channel 7, a device for introducing fuel into the purging air, at least one excess-flow channel 9 for feeding fresh gas between the crankcase 11 and the cylinder 2, and a channel 12, which opens into this excess-flow channel 9 and is provided with a non-return valve 15, for a purging receiver. In order to ensure advantageous air control, it is proposed that the inlet channel 7 and the channel 12 for the purging receiver be designed in a manner known per se as branch lines of a common induction channel 14 which has a throttle device 18, that the device for introducing the fuel, as is likewise known per se, consists of an injection nozzle 19 for a controlled amount of fuel, and that the maximum opening width of the non-return valve 15 in inlet channel 7 can be adjusted by means of the control member for the purging air, which control member can be controlled as a function of the engine load. <IMAGE>
AT141791A 1991-07-15 1991-07-15 TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE AT400879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT141791A AT400879B (en) 1991-07-15 1991-07-15 TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT141791A AT400879B (en) 1991-07-15 1991-07-15 TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE

Publications (2)

Publication Number Publication Date
ATA141791A true ATA141791A (en) 1995-08-15
AT400879B AT400879B (en) 1996-04-25

Family

ID=3513447

Family Applications (1)

Application Number Title Priority Date Filing Date
AT141791A AT400879B (en) 1991-07-15 1991-07-15 TWO-STROKE INTERNAL COMBUSTION ENGINE WITH A CRANKCASE RINSE

Country Status (1)

Country Link
AT (1) AT400879B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034181B4 (en) 2006-08-30 2018-05-30 Dolmar Gmbh Two-stroke engine with an improved overflow channel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE841525C (en) * 1949-12-21 1953-01-19 Max Mangl Flush current control for two-stroke gasoline engines
FR2523211A1 (en) * 1982-03-10 1983-09-16 Eric Offenstadt Two stroke IC engine - has valve controlled air intake into crankcase and carburettor between crankcase and combustion chamber
DD210409A3 (en) * 1982-11-01 1984-06-06 Bodo Wolf PROCESS FOR PURGING SECONDARY CAST INTERNAL COMBUSTION ENGINES
EP0115758A1 (en) * 1983-01-07 1984-08-15 Alfred Rabl Port-controlled two-stroke internal combustion engine
AT394755B (en) * 1986-07-08 1992-06-25 Bombardier Rotax Gmbh TWO-STROKE COMBUSTION ENGINE WITH A CRANKCASE RINSE

Also Published As

Publication number Publication date
AT400879B (en) 1996-04-25

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