GB642460A - Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft - Google Patents

Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft

Info

Publication number
GB642460A
GB642460A GB2166748A GB2166748A GB642460A GB 642460 A GB642460 A GB 642460A GB 2166748 A GB2166748 A GB 2166748A GB 2166748 A GB2166748 A GB 2166748A GB 642460 A GB642460 A GB 642460A
Authority
GB
United Kingdom
Prior art keywords
shaft
fuel
cylinders
casing
cams
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
GB2166748A
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.)
JOZEF MARCZEWSKI
Original Assignee
JOZEF MARCZEWSKI
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 JOZEF MARCZEWSKI filed Critical JOZEF MARCZEWSKI
Priority to GB2166748A priority Critical patent/GB642460A/en
Publication of GB642460A publication Critical patent/GB642460A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/04Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

642,460. Two-stroke engines. MARCZEWSKI, J. Aug. 17, 1948, No. 21667. [Classes 7(ii), 7 (iii), and 7(vi)] '[Also in Groups XXVI and XXVIII] Opposed pistons 8 in parallel cylinders 2 operate, through pairs of rollers 10, 11, cams 51 on discs 18 on the output shaft 22, and second cams 6 return the pistons. Rollers 10, 11 are mounted on cylindrical extensions 9 of the pistons which reciprocate in cylindrical tracks formed by guides 15 mounted on plates 3, and sliding plates 16 keep the axis of the rollers radial. The cam tracks which may have two throws per revolution are arranged so that the exhaust parts 86 open and close before the inlet ports 79 which are preferably tangental to the cylinders. The cams 51 dip into lubricant in the casing. A combined lubricant and cooling water pump is driven by a shaft 31 from a bevel on the main shaft, which also drives, by a shaft 70, the fuel injection apparatus. The upper and lower cylinders are spaced apart to allow passages through the water jacket for the shafts 31, 70. Air is supplied through a passage 66 by a blower comprising blades 40, Fig. 3, mounted on bearings 41, 42 in discs 36, 35, connected by links 38 and rotated by the main shaft. The blades are turned to pass through a circular passage 47 between fixed abutments 53, 54, and back to their blowing position by levers 59 and cam tracks 61, 60. Stops are provided to limit the movement of the levers .59. The air enters through a filter 65.. The fuel pump comprises a cylindrical shell 67, Fig. 14, carrying plunger guides 111; and a rectangular block 81, in which two pumping barrels 80 are mounted. The plungers are operated by a face cam 74 and inlet and delivery poppet valves allow communication with passages 84, 85, in the block, leak valves 94, 100 for stopping and regulating the amount of fuel injected being controlled by a lever 97 and a screw 102 respectively, the screw 102 being adjusted by hand or a governor. The compressed fuel is delivered by a pipe 106 to a distributer casing 107, wherein a split sleeve 108, having a trapezium shaped port, is rotated by a split hub 113 which is splined to the pump shaft, the fuel passing to the inside of the split sleeve through a slot cut in its seating. Flexible pipes lead to the cylinder nozzles. Timing is adjusted by rotating the casing 107 through an eccentrically mounted sleeve 123 which can be adjusted by a handle 124, and duration of injection by axial adjustment of the casing 107 by a hand wheel 117 having thread engagement with a plate 120, measurement being taken by an indicator attached to the handle 124 and a feeler guage 128. In a modified distributer the rotating sleeve is replaced by poppet valves operated through tappets from a trapezoidal cam on an extension of the shaft 70. The tappets have axial bores which allow fuel to drain from the injector pipe lines and thus prevent drip, when the distributing valves are closed. Adjustment is effected by rotation and axial movement of the body, as described above. Specification 425,112 is referred to.
GB2166748A 1948-08-17 1948-08-17 Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft Expired GB642460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2166748A GB642460A (en) 1948-08-17 1948-08-17 Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2166748A GB642460A (en) 1948-08-17 1948-08-17 Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft

Publications (1)

Publication Number Publication Date
GB642460A true GB642460A (en) 1950-09-06

Family

ID=10166784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2166748A Expired GB642460A (en) 1948-08-17 1948-08-17 Improvements in or relating to two-stroke internal-combustion engines, in which the cylinders are arranged parallel to the output shaft

Country Status (1)

Country Link
GB (1) GB642460A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006438A1 (en) * 1985-04-22 1986-11-06 Popescu-Strohlen, Christian Combustion engine with pistons actuated by sinusoidal cylinder
WO2012168696A2 (en) * 2011-06-07 2012-12-13 University Of Bradford A rotary power device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006438A1 (en) * 1985-04-22 1986-11-06 Popescu-Strohlen, Christian Combustion engine with pistons actuated by sinusoidal cylinder
WO2012168696A2 (en) * 2011-06-07 2012-12-13 University Of Bradford A rotary power device
WO2012168696A3 (en) * 2011-06-07 2013-04-11 University Of Bradford A rotary power device

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