GB509926A - Improvements relating to uniflow scavenging of the cylinders of two-stroke cycle internal combustion engines - Google Patents

Improvements relating to uniflow scavenging of the cylinders of two-stroke cycle internal combustion engines

Info

Publication number
GB509926A
GB509926A GB35173/37A GB3517337A GB509926A GB 509926 A GB509926 A GB 509926A GB 35173/37 A GB35173/37 A GB 35173/37A GB 3517337 A GB3517337 A GB 3517337A GB 509926 A GB509926 A GB 509926A
Authority
GB
United Kingdom
Prior art keywords
ports
piston
tangential
cylinders
directed
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
GB35173/37A
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.)
BUESSING NAG VEREINIGTE NUTZKR
Original Assignee
BUESSING NAG VEREINIGTE NUTZKR
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 BUESSING NAG VEREINIGTE NUTZKR filed Critical BUESSING NAG VEREINIGTE NUTZKR
Publication of GB509926A publication Critical patent/GB509926A/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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

509,926. Cylinders. BUSSING-NAG VEREINIGTE NUTZKRAFTWAGEN AKT.- GES. Dec. 20, 1937, Nos. 35173, 35174 and 35175. Convention dates, Jan. 21, 1937, Jan. 21, 1937, and Nov. 29, 1937. [A Specification was laid open to inspection under Sect. 91 of the Acts, June 20, 1938.] [Class 7 (ii)] In a two-stroke engine cylinder provided with uniflow scavenging, a single row of pistoncontrolled admission ports is arranged so that one or more of them are directed radially downwardly into a hollow piston head, while others are tangential. In Figs. 1, 4 radial and tangential ports are arranged alternately in two groups 1 ... 11 and 2 ... 12, the ports 1 ... 11, at a lower level, being controlled by slots in the piston so that all the ports are opened simultaneously. The top and bottom walls of one set, e.g. the ports 1 . . . 11 are differently inclined as shown, those of the other set being transverse. Figs. 11, 12, 13 show a further arrangement for a cylinder having an eccentric cavity 50 in the piston, Fig. 13, comprising sections through the numbered ports. In a further arrangement, three equallyspaced radial ports are directed into a piston cavity, the remainder being tangential ports, directed upwards. The piston controlling the ports may be one of a pair of opposed pistons. Specification 437,584 is referred to.
GB35173/37A 1937-01-21 1937-12-20 Improvements relating to uniflow scavenging of the cylinders of two-stroke cycle internal combustion engines Expired GB509926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE509926X 1937-01-21

Publications (1)

Publication Number Publication Date
GB509926A true GB509926A (en) 1939-07-20

Family

ID=6547330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35173/37A Expired GB509926A (en) 1937-01-21 1937-12-20 Improvements relating to uniflow scavenging of the cylinders of two-stroke cycle internal combustion engines

Country Status (1)

Country Link
GB (1) GB509926A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572768A (en) * 1947-05-22 1951-10-23 Sulzer Ag Two-stroke internal-combustion engine
DE754166C (en) * 1939-12-28 1952-12-15 Forschungsanstalt Prof Junkers Two-stroke internal combustion engine with direct current flushing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754166C (en) * 1939-12-28 1952-12-15 Forschungsanstalt Prof Junkers Two-stroke internal combustion engine with direct current flushing
US2572768A (en) * 1947-05-22 1951-10-23 Sulzer Ag Two-stroke internal-combustion engine

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