JPS55164721A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
JPS55164721A
JPS55164721A JP7110479A JP7110479A JPS55164721A JP S55164721 A JPS55164721 A JP S55164721A JP 7110479 A JP7110479 A JP 7110479A JP 7110479 A JP7110479 A JP 7110479A JP S55164721 A JPS55164721 A JP S55164721A
Authority
JP
Japan
Prior art keywords
auxiliary
cylinder
auxiliary cylinder
main piston
caused
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.)
Pending
Application number
JP7110479A
Other languages
Japanese (ja)
Inventor
Yuichi Ohashi
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
Priority to JP7110479A priority Critical patent/JPS55164721A/en
Publication of JPS55164721A publication Critical patent/JPS55164721A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To improve combustion efficiency of an internal combustion engine, by providing an auxiliary cylinder having an enlarged inner sectional area between main cylinder portion and the cylinder head, together with auxiliary pistons for compressing the inner space of said auxiliary cylinder.
CONSTITUTION: A pair of sector members 4, 4 functioning as auxiliary pistons are pivotally supported at inner cylinder wall portions 2a, 2b of auxiliary cylinder 2. When main piston 3 is depressed downward to the inner space of auxiliary cylinder 2, a sufficient depression force is acted to main piston 3 until it comes near to the lower dead point since decrease in the total volume of the two cylinders 1, 2 caused with downward movement of piston 3 is reduced and expansion rate of combustion gas also caused with downward movement of main piston 3 is small. Further, since auxiliary cylinder portion 2 has a sufficiently large inner sectional area so that explosion is caused if the stroke length of pistion 3 is increased, combustion efficiency of the engine can be improved. Further, since mixture in auxiliary cylinder 2 is compressed by main piston 3 almost at the final stage of compression stroke, it is enabled to prevent occurrence of knocking.
COPYRIGHT: (C)1980,JPO&Japio
JP7110479A 1979-06-08 1979-06-08 Internal combustion engine Pending JPS55164721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7110479A JPS55164721A (en) 1979-06-08 1979-06-08 Internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7110479A JPS55164721A (en) 1979-06-08 1979-06-08 Internal combustion engine

Publications (1)

Publication Number Publication Date
JPS55164721A true JPS55164721A (en) 1980-12-22

Family

ID=13450902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7110479A Pending JPS55164721A (en) 1979-06-08 1979-06-08 Internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55164721A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375341A (en) * 1986-09-17 1988-04-05 Fujio Hisashi Reciprocating engine having piston with no piston pin
CN105020019A (en) * 2014-04-29 2015-11-04 长城汽车股份有限公司 Engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375341A (en) * 1986-09-17 1988-04-05 Fujio Hisashi Reciprocating engine having piston with no piston pin
CN105020019A (en) * 2014-04-29 2015-11-04 长城汽车股份有限公司 Engine

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