EP0198504A3 - Four-stroke engine with prolonged expansion - Google Patents

Four-stroke engine with prolonged expansion Download PDF

Info

Publication number
EP0198504A3
EP0198504A3 EP86105356A EP86105356A EP0198504A3 EP 0198504 A3 EP0198504 A3 EP 0198504A3 EP 86105356 A EP86105356 A EP 86105356A EP 86105356 A EP86105356 A EP 86105356A EP 0198504 A3 EP0198504 A3 EP 0198504A3
Authority
EP
European Patent Office
Prior art keywords
expansion
cylinder
stroke
post
cylinders
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Withdrawn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
EP86105356A
Other languages
German (de)
French (fr)
Other versions
EP0198504A2 (en
Inventor
Kurt Dr.-Ing. Räntsch
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.)
RAENTSCH, MANFRED
Original Assignee
Rantsch Manfred
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 Rantsch Manfred filed Critical Rantsch Manfred
Publication of EP0198504A2 publication Critical patent/EP0198504A2/en
Publication of EP0198504A3 publication Critical patent/EP0198504A3/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Withdrawn legal-status Critical Current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
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/06—Engines with prolonged expansion in compound cylinders
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

Vierzylindermotor mit verlängerter Expansion, bei dem zwei der Zylinder um 360° phasenverschoben nach dem Viertaktprinzip arbeiten und die weiteren Zylinder nach dem Zweitaktprinzip zur Nachexpansion und Nachverbren­ nung der Abgase der nach dem Viertaktprinzip arbeitenden Zylinder dienen, bei dem die Einlassöffnungen der der Nachexpansion dienenden Zylinder mit den Auslassöffnun­ gen der nach dem Viertaktprinzip arbeitenden Zylinder über je einen ventilgesteuerten Zwischenspeicher mitein­ ander verbunden sind, derart, dass die Abgase in jedem Zwischenspeicher während eines Taktes der nach dem Viertaktprinzip arbeitenden Zylinder zur weiteren Verbren­ nung verbleiben. Four-cylinder engine with extended expansion, in which two of the cylinders out of phase by 360 ° after the Four-stroke principle work and the other cylinders after the two-stroke principle for post-expansion and post-combustion exhaust gases from the four-stroke principle Serve cylinder, in which the inlet openings of the Post expansion cylinder with the exhaust ports against the four-stroke cylinders each with a valve-controlled buffer are connected in such a way that the exhaust gases in each Buffer during a cycle after the Four-stroke principle working cylinder for further combustion remain.

EP86105356A 1985-04-19 1986-04-17 Four-stroke engine with prolonged expansion Withdrawn EP0198504A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3514206 1985-04-19
DE19853514206 DE3514206A1 (en) 1985-04-19 1985-04-19 FOUR CYLINDER ENGINE WITH EXTENDED EXPANSION

Publications (2)

Publication Number Publication Date
EP0198504A2 EP0198504A2 (en) 1986-10-22
EP0198504A3 true EP0198504A3 (en) 1987-12-09

Family

ID=6268619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105356A Withdrawn EP0198504A3 (en) 1985-04-19 1986-04-17 Four-stroke engine with prolonged expansion

Country Status (2)

Country Link
EP (1) EP0198504A3 (en)
DE (1) DE3514206A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727335A1 (en) * 1987-08-17 1988-02-25 Gerold Ing Grad Bieber Four-stroke internal combustion engine with utilisation of exhaust gas
EP0563456A1 (en) * 1992-04-01 1993-10-06 Tore Gustav Owe Berg Combustion engine of high efficiency
US6095100A (en) * 1995-11-01 2000-08-01 Hughes; Barry Frank Combination internal combustion and steam engine
AU2003257753A1 (en) * 2003-02-26 2004-09-17 Konstantin Eugenyevich Starodetko Operation method for a piston internal combustion engine using prolonged expansion and an internal combustion engine for carrying out said method
DE102005026763A1 (en) * 2005-06-02 2006-12-14 Schwäblein, Mirko, Dipl.-Ing. Piston combustion engine for e.g. one liter car drive unit, has motor with intake volume greater than processing volume, where engine is divided into high and low pressure cycles and identified as five-stroke engine in low pressure stage
DE102008049088B4 (en) * 2008-09-26 2019-07-25 Audi Ag Internal combustion engine with expansion cylinders with variable piston stroke
US8371256B2 (en) * 2009-05-27 2013-02-12 GM Global Technology Operations LLC Internal combustion engine utilizing dual compression and dual expansion processes
CN103016148A (en) * 2012-12-12 2013-04-03 清华大学 Four-stroke and two-stroke combined cycle internal-combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB646092A (en) * 1948-02-13 1950-11-15 Albert Naccache Improvements in or relating to compound internal combustion engines
GB2069594A (en) * 1980-01-09 1981-08-26 Harvison Associates Ltd A compound expansion internal combustion engine
FR2499154A1 (en) * 1981-01-30 1982-08-06 Picat Marc Exhaust gas recycling for IC-engine - has ports in cylinder walls to connect cylinders with pistons at BDC
DE3129609A1 (en) * 1981-07-28 1983-03-03 Adolf 2360 Bad Segeberg Freese Reversible multi cylinder internal combustion engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE299978C (en) *
DE879183C (en) * 1951-01-31 1953-06-11 Johann Janssens In particular, a mixture-compressing internal combustion engine in which a cylinder with a fresh gas supply is assigned a cylinder with an exhaust gas supply from the first cylinder
DE1046941B (en) * 1952-11-27 1958-12-18 Snecma Internal combustion engine
DE1222735B (en) * 1959-10-17 1966-08-11 Maschf Augsburg Nuernberg Ag Piston internal combustion engine with inlet and outlet valves and with regulation of the residual gas content intended for reuse
US4086882A (en) * 1976-10-18 1978-05-02 Mccrum William H Compound combustion engines and methods of compounding same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB646092A (en) * 1948-02-13 1950-11-15 Albert Naccache Improvements in or relating to compound internal combustion engines
GB2069594A (en) * 1980-01-09 1981-08-26 Harvison Associates Ltd A compound expansion internal combustion engine
FR2499154A1 (en) * 1981-01-30 1982-08-06 Picat Marc Exhaust gas recycling for IC-engine - has ports in cylinder walls to connect cylinders with pistons at BDC
DE3129609A1 (en) * 1981-07-28 1983-03-03 Adolf 2360 Bad Segeberg Freese Reversible multi cylinder internal combustion engine

Also Published As

Publication number Publication date
DE3514206A1 (en) 1986-10-23
EP0198504A2 (en) 1986-10-22
DE3514206C2 (en) 1987-12-10

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