GB730554A - Improvements in or relating to internal combustion engines - Google Patents

Improvements in or relating to internal combustion engines

Info

Publication number
GB730554A
GB730554A GB23686/50A GB2368650A GB730554A GB 730554 A GB730554 A GB 730554A GB 23686/50 A GB23686/50 A GB 23686/50A GB 2368650 A GB2368650 A GB 2368650A GB 730554 A GB730554 A GB 730554A
Authority
GB
United Kingdom
Prior art keywords
piston
exhaust
ports
sept
inlet
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
GB23686/50A
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 GB730554A publication Critical patent/GB730554A/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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/22—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel

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

730,554. Two-stroke engines sealing crankchambers. EHRLICH, J. Sept. 27, 1950 [Sept. 27, 1949], No. 23686/50. Class 7(2). A combustion chamber 24 common to parallel inlet and exhaust cylinders 10, 11 of unequal bore is shaped, and dimensioned relative to the cylinders, substantially as shown to have a Venturi effect and increase the velocity of crankcase-compressed combustible mixture passing into the smaller cylinder 10 through transfer ports 22, pistons 21, 13 respectively controlling the ports 22 and exhaust ports 23 being so connected to a single crankpin by means of a rod 17 or rods that the exhaust piston 13 slightly leads the inlet piston 21. The rod 17 has a sliding bearing in one gudgeon pin 20. The lower edge of the piston 13 controls a crankcase inlet port 28. Sealing means 27 prevent leakage past the crankshaft main bearings 26.
GB23686/50A 1949-09-27 1950-09-27 Improvements in or relating to internal combustion engines Expired GB730554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR730554X 1949-09-27

Publications (1)

Publication Number Publication Date
GB730554A true GB730554A (en) 1955-05-25

Family

ID=9114947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23686/50A Expired GB730554A (en) 1949-09-27 1950-09-27 Improvements in or relating to internal combustion engines

Country Status (1)

Country Link
GB (1) GB730554A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383427A (en) * 1993-07-19 1995-01-24 Wci Outdoor Products, Inc. Two-cycle, air-cooled uniflow gasoline engine for powering a portable tool
US5758611A (en) * 1997-04-15 1998-06-02 Collins; Imack L. Flex-rod

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5383427A (en) * 1993-07-19 1995-01-24 Wci Outdoor Products, Inc. Two-cycle, air-cooled uniflow gasoline engine for powering a portable tool
US5758611A (en) * 1997-04-15 1998-06-02 Collins; Imack L. Flex-rod

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