GB894312A - Two-stroke internal combustion engines - Google Patents

Two-stroke internal combustion engines

Info

Publication number
GB894312A
GB894312A GB24558/58A GB2455858A GB894312A GB 894312 A GB894312 A GB 894312A GB 24558/58 A GB24558/58 A GB 24558/58A GB 2455858 A GB2455858 A GB 2455858A GB 894312 A GB894312 A GB 894312A
Authority
GB
United Kingdom
Prior art keywords
air
fed
exhaust
valves
spiral
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
GB24558/58A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB894312A publication Critical patent/GB894312A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/28—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports
    • 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
    • F02B2720/00—Engines with liquid fuel
    • F02B2720/23—Two stroke engines
    • F02B2720/237—Two stroke engines with measures for improving combustion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

894,312. Two-stroke engines; valves; charge compressors. BUCHI, A. July 30, 1958 [Sept. 17, 1957], No. 24558/58. Classes 7(2), 7(3) and 7(6). In a two-stroke engine having piston controlled exhaust ports 9, Fig. 1, the scavenging and charging air enters through two inlet valves 10, 11, disposed concentrically one inside another in the cylinder head the supply chambers 18, 19, of which produce rotation of the entering air. In Fig. 1 the supply chambers 18, 19, are spiral to produce rotation of the entering air and are fed through a cooler 42 by an exhaust driven compressor 14 connected to an exhaust belt 15 which is spiral and associated with inclined ports 9 so that the exhaust gases rotate therein in the direction of the swirl in the cylinder. The valve 10 may be opened before valve 11 or vice versa, and the fuel injector 32 injects the fuel into a combustion chamber recess 9<SP>1</SP> in the piston in the direction of the swirling air. The rotation of the entering air may alternatively be produced by vanes. The inlet valves of a pair of adjacent cylinders may be fed by a common inlet conduit 20<SP>1</SP>, Fig. 5, leading to spiral chambers 19<SP>11</SP>, 19<SP>111</SP>, around the valves. In a modification, Fig. 7, the valve chamber 18 is fed with scavenging air by an exhaust turbocharger 39 and the chamber 19 is fed with supercharging air by a supercharger 13<SP>1</SP> driven from the camshaft 5 and having its inlet pipe 41 connected to the outlet of the turbocharger 39, each compressor delivering through a cooler 42, 43.
GB24558/58A 1957-09-17 1958-07-30 Two-stroke internal combustion engines Expired GB894312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH894312X 1957-09-17

Publications (1)

Publication Number Publication Date
GB894312A true GB894312A (en) 1962-04-18

Family

ID=4546080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24558/58A Expired GB894312A (en) 1957-09-17 1958-07-30 Two-stroke internal combustion engines

Country Status (1)

Country Link
GB (1) GB894312A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311329A (en) * 1996-03-22 1997-09-24 Daimler Benz Ag Internal-combustion engine cylinder head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311329A (en) * 1996-03-22 1997-09-24 Daimler Benz Ag Internal-combustion engine cylinder head
US5727521A (en) * 1996-03-22 1998-03-17 Mercedes-Benz Ag Cylinder head of an internal-combustion engine
GB2311329B (en) * 1996-03-22 1998-03-18 Daimler Benz Ag Cylinder head of an internal-combustion engine

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