GB790330A - Improvements in or relating to a supercharged four-stroke-cycle internal combustion engine - Google Patents

Improvements in or relating to a supercharged four-stroke-cycle internal combustion engine

Info

Publication number
GB790330A
GB790330A GB27166/55A GB2716655A GB790330A GB 790330 A GB790330 A GB 790330A GB 27166/55 A GB27166/55 A GB 27166/55A GB 2716655 A GB2716655 A GB 2716655A GB 790330 A GB790330 A GB 790330A
Authority
GB
United Kingdom
Prior art keywords
exhaust
diffuser
engine
stroke
compressor
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
GB27166/55A
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.)
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Original Assignee
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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 Schweizerische Lokomotiv und Maschinenfabrik AG (SLM) filed Critical Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Publication of GB790330A publication Critical patent/GB790330A/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
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • 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
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • 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)
  • Supercharger (AREA)

Abstract

790,330. Four-stroke engines; charge oumos; exhaust systems. SCHWEIZERISCHE LOKOMOTIV-UND MASCHINENFABRIK. Sept. 23, 1955 [Sept. 27, 1954], No. 27166/55. Class 7(2) In a four-stroke engine 21, suitable for operation under conditions in which it is subjected to high-load peaks, haying means for instantaneously adjusting the fuel pump to maximum feed, e.g. as disclosed in Specification 787,439, and supercharged by a centrifugal or other compressor 10 driven by the engine or an electric motor 22, suction wave scavenging is effected by an exhaust system, preferably comprising a tube 23 of constant cross-section substantially equal to that of the or each exhaust port it serves, a diffuser 24 of gradually increasing crosssection and a receiver 25 open to atmosphere. In a single-cylinder diesel engine the cylinder exhaust outlet communicates directly with a straight tube leading to an aligned diffuser, but as shown two tubes 23 each serve a group of three diesel cylinders the scavenging periods of which do not overlap. The length of each tube 23 is preferably equal to half the speed of sound in the exhaust gases times the period between exhaust valve and inlet valve opening, and the length of each diffuser 24 half the said speed times the scavenging period of inlet and exhaust valve overlap. Each diffuser 24 has a conical angle of from 4 degrees to 12 degrees. The compressor 10 may be a piston or other positive displacement compressor, feeding the engine via a reservoir.
GB27166/55A 1954-09-27 1955-09-23 Improvements in or relating to a supercharged four-stroke-cycle internal combustion engine Expired GB790330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE790330X 1954-09-27

Publications (1)

Publication Number Publication Date
GB790330A true GB790330A (en) 1958-02-05

Family

ID=6700812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27166/55A Expired GB790330A (en) 1954-09-27 1955-09-23 Improvements in or relating to a supercharged four-stroke-cycle internal combustion engine

Country Status (1)

Country Link
GB (1) GB790330A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145770A (en) * 1983-08-31 1985-04-03 Nissan Motor I.c. engine exhaust system
GB2229224A (en) * 1989-03-15 1990-09-19 Zschopau Motorrad Veb I.c. engine exhaust system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145770A (en) * 1983-08-31 1985-04-03 Nissan Motor I.c. engine exhaust system
US4621494A (en) * 1983-08-31 1986-11-11 Nissan Motor Co., Ltd. Automotive engine exhaust system
GB2229224A (en) * 1989-03-15 1990-09-19 Zschopau Motorrad Veb I.c. engine exhaust system

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