GB471174A - Improvements in and relating to the scavenging of two-stroke internal combustion engines - Google Patents

Improvements in and relating to the scavenging of two-stroke internal combustion engines

Info

Publication number
GB471174A
GB471174A GB33006/35A GB3300635A GB471174A GB 471174 A GB471174 A GB 471174A GB 33006/35 A GB33006/35 A GB 33006/35A GB 3300635 A GB3300635 A GB 3300635A GB 471174 A GB471174 A GB 471174A
Authority
GB
United Kingdom
Prior art keywords
ports
scavenging
additional
pump
admitted
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
Application number
GB33006/35A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB471174A publication Critical patent/GB471174A/en
Expired legal-status Critical Current

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
    • F02B25/00—Engines characterised by using fresh charge for scavenging 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
    • 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
    • F02B2700/00—Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel
    • F02B2700/03—Two stroke engines
    • F02B2700/037—Scavenging or charging channels or openings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

471,174. Two-stroke engines; cylinders. DAIMLER-BENZ AKT.-GES. Nov. 28, 1935, No. 33006. Convention date, Dec. 1, 1934. [Class 7 (ii)] In a two-stroke engine, towards the end of, or after, the period of main scavenging, an additional scavenging stream is admitted by ports e<1>, directed, without rotation, towards the peripheral edge of the cylinder head, where eddies W of dead gas tend to collect. The main scavenging stream enters by ports d which may be radial or tungential, and be transverse or upwardly inclined ; it may be forced in by a pump or induced by the mass exit of the exhaust gas, the pump being only used at low speed. The additional stream is supplied at higher pressure, either by a separate pump or by a higher pressure stage of the same pump, which may be coaxial with and connected to a rotary valve f, controlling the closure of the auxiliary ports. In a mixture engine, rich mixture may be admitted through the additional ports e', air only being admitted through the main ports d. The Specification as open to inspection under Sect. 91 comprises also additional scavenging ports in the head or at the periphery of the combustion chamber arranged axially, radially or tangentially. This subject-matter does not appear in the Specification as accepted.
GB33006/35A 1934-12-01 1935-11-28 Improvements in and relating to the scavenging of two-stroke internal combustion engines Expired GB471174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE471174X 1934-12-01

Publications (1)

Publication Number Publication Date
GB471174A true GB471174A (en) 1937-08-30

Family

ID=6541234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33006/35A Expired GB471174A (en) 1934-12-01 1935-11-28 Improvements in and relating to the scavenging of two-stroke internal combustion engines

Country Status (1)

Country Link
GB (1) GB471174A (en)

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