FR2380421A1 - IC engine with side valves - has turbulence chamber in cylinder head shaped to increase combustion efficiency (BR 19.9.78) - Google Patents

IC engine with side valves - has turbulence chamber in cylinder head shaped to increase combustion efficiency (BR 19.9.78)

Info

Publication number
FR2380421A1
FR2380421A1 FR7804040A FR7804040A FR2380421A1 FR 2380421 A1 FR2380421 A1 FR 2380421A1 FR 7804040 A FR7804040 A FR 7804040A FR 7804040 A FR7804040 A FR 7804040A FR 2380421 A1 FR2380421 A1 FR 2380421A1
Authority
FR
France
Prior art keywords
turbulence chamber
cylinder
cylinder head
engine
combustion efficiency
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.)
Withdrawn
Application number
FR7804040A
Other languages
French (fr)
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
Priority claimed from US05/767,870 external-priority patent/US4125105A/en
Application filed by Individual filed Critical Individual
Publication of FR2380421A1 publication Critical patent/FR2380421A1/en
Withdrawn legal-status Critical Current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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/22—Side valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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

Abstract

The side valve engine has a piston (10) in a cylinder (11') with a cylinder head (11). It has an inlet valve (12) at the side of the piston opening into a turbulence chamber (21) in the cylinder head. The height of the turbulence chamber is less than its diameter and it is connected to the cylinder by a passage (26) in the head. At top dead centre, the top of the piston is level with the top of the cylinder and all the gases are in the connecting passage and turbulence chamber. The connecting passage is tangential to the turbulence chamber which is arc shaped, with its centre on the axis of the cylinder. This produces a turbulent motion which increases combustion efficiency.
FR7804040A 1977-02-11 1978-02-13 IC engine with side valves - has turbulence chamber in cylinder head shaped to increase combustion efficiency (BR 19.9.78) Withdrawn FR2380421A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/767,870 US4125105A (en) 1975-11-10 1977-02-11 Four cycle internal combustion engine

Publications (1)

Publication Number Publication Date
FR2380421A1 true FR2380421A1 (en) 1978-09-08

Family

ID=25080824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804040A Withdrawn FR2380421A1 (en) 1977-02-11 1978-02-13 IC engine with side valves - has turbulence chamber in cylinder head shaped to increase combustion efficiency (BR 19.9.78)

Country Status (4)

Country Link
JP (1) JPS53109009A (en)
BR (1) BR7800816A (en)
FR (1) FR2380421A1 (en)
IT (1) IT1112610B (en)

Also Published As

Publication number Publication date
JPS53109009A (en) 1978-09-22
BR7800816A (en) 1978-09-19
IT1112610B (en) 1986-01-20
IT7819840A0 (en) 1978-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse