GB729383A - Improvements in or relating to the method of operating a reciprocating internal combustion engine - Google Patents

Improvements in or relating to the method of operating a reciprocating internal combustion engine

Info

Publication number
GB729383A
GB729383A GB16106/53A GB1610653A GB729383A GB 729383 A GB729383 A GB 729383A GB 16106/53 A GB16106/53 A GB 16106/53A GB 1610653 A GB1610653 A GB 1610653A GB 729383 A GB729383 A GB 729383A
Authority
GB
United Kingdom
Prior art keywords
fuel
main
pilot
engine
injection
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
GB16106/53A
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of GB729383A publication Critical patent/GB729383A/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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/08—Engines characterised by precombustion chambers the chamber being of air-swirl type
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/02—Engines characterised by air compression and subsequent fuel addition 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
    • F02B2275/42—Texaco combustion process
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

729,383. Supplying fuel by direct injection ; cycles. TEXACO DEVELOPMENT CORPORATION. June 11, 1953 [June 23, 1952], No. 16106/53. Classes 7(2) and 7(3). The invention relates to a method of operating an engine, and to the construction thereof, the engine having an inlet valve 35 which is provided with a semi-circular shroud 35A so that the incoming air is swirled about the cylinder axis, the swirl rate having a substantially constant ratio, such as 6 : 1, to the engine speed. During the compression stroke a small boss 47 on an engine driven cam. 45 operates a fuel valve 42 and causes a pilot fuel injection through a nozzle 40 ; the fuel is entrained in the swirling air and forms a pilot patch which continues to swirl around the cylinder as the piston continues to rise, the cetane number of the fuel being chosen so that the patch ignites by compression as it completes one or more swirls. At this instant the main boss 48 on cam 45 operates the valve 42 so that the first increment of the main fuel injection is ignited by the pilot patch and establishes a flame front which tends to burn towards the injector and consumes the additional combustible mixture that is formed as the main fuel injection continues for a time slightly less than one air swirl. The pilot injection which may be made from a different position to the main jet and has an adjustable duration may commence at any time during the compression stroke ; the main injection may begin at either side of T.D.C. depending on engine load, and it is preferable to throttle the main fuel rather than the air. In a modification, the pilot and main injections are effected through separate nozzles, the main nozzle being above the pilot nozzle and parallel thereto, each nozzle being supplied from a separate fuel system comprising a tank, high-pressure pump an accumulator tank and a check valve ; the pilot fuel may be different from the main fuel and have a high cetane number. After the engine has started the pilot fuel system is shut off and the main fuel is ignited by a glow plug which has been raised to ignition temperature by engine operation. The main fuel may be any combustible fluid such as natural gas, gasoline, kerosene, diesel fuel or heavier hydrocarbons. The engine may operate on a two or four stroke Otto cycle. Specification 596,846 is referred to.
GB16106/53A 1952-06-23 1953-06-11 Improvements in or relating to the method of operating a reciprocating internal combustion engine Expired GB729383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US729383XA 1952-06-23 1952-06-23

Publications (1)

Publication Number Publication Date
GB729383A true GB729383A (en) 1955-05-04

Family

ID=22110677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16106/53A Expired GB729383A (en) 1952-06-23 1953-06-11 Improvements in or relating to the method of operating a reciprocating internal combustion engine

Country Status (1)

Country Link
GB (1) GB729383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277776A (en) * 1993-04-14 1994-11-09 John Heath Greenhough Compression ignition engine fuel supply control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277776A (en) * 1993-04-14 1994-11-09 John Heath Greenhough Compression ignition engine fuel supply control
GB2277776B (en) * 1993-04-14 1997-03-19 John Heath Greenhough Compression ignition engine

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