+

WO1996035860A1 - Moteur a combustion interne - Google Patents

Moteur a combustion interne Download PDF

Info

Publication number
WO1996035860A1
WO1996035860A1 PCT/NL1996/000200 NL9600200W WO9635860A1 WO 1996035860 A1 WO1996035860 A1 WO 1996035860A1 NL 9600200 W NL9600200 W NL 9600200W WO 9635860 A1 WO9635860 A1 WO 9635860A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
crankshaft
internal combustion
crank
combustion engine
Prior art date
Application number
PCT/NL1996/000200
Other languages
English (en)
Inventor
Hendrik Petrus Van Straaten
Original Assignee
Implico B.V.
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 Implico B.V. filed Critical Implico B.V.
Priority to AU57042/96A priority Critical patent/AU5704296A/en
Publication of WO1996035860A1 publication Critical patent/WO1996035860A1/fr

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
    • F02B75/00—Other engines
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
    • F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
    • F01B9/023—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft of Bourke-type or Scotch yoke

Definitions

  • Internal combustion engines typically include a piston/cylinder arrangement in which a fuel/air mixture is combusted in a cylinder to cause a force to be exerted on a piston located in the cylinder, thereby causing linear displacement of the piston to exert a force on a crank of a crankshaft to provide for rotation of the crankshaft.
  • piston/cylinder arrangements comprise at least one separate piston which is displaceable within a cylinder and which is in engagement with a crank of a crankshaft via a connecting rod to permit a force which is exerted on the piston by combustion processes in the cylinder, to be transmitted to the crank of the
  • a four-stroke cycle comprises four piston strokes to complete a cycle, the strokes comprising an induction stroke in which the piston is displaced to the operative bottom end of the cylinder to facilitate the induction of a fuel-air mixture into the cylinder, a
  • crankshaft is caused to rotate through 720°.
  • an internal combustion engine including
  • crankshaft defining an axis of rotation and having at least one crank
  • At least one pair of cylinders defined in an engine body and arranged in spaced opposed relationship with respect to one another, the cylinders permitting a fuel/air
  • a piston member comprising a piston body having two opposite ends, the piston body having at least one piston located at each end, each piston being displaceably
  • the piston member located in a cylinder of the pair of cylinders in an arrangement in which controlled combustion of a fuel/air mixture in the cylinders causes forces to be operatively exerted on the pistons, thereby causing reciprocating linear displacement of the piston member, the piston member having a floating bearing that is freely rotatably located in the piston body, in which the crank of the crankshaft is eccentrically located to permit the crank to
  • the floating bearing of the piston member may be in the form of a disc having a main
  • journal bearing located around its periphery, with the piston member defining a housing in which the main journal bearing of the disc is seated, the disc defining an eccentrically-
  • the pistons of the piston member may be formed integrally with the piston body.
  • the piston member may define elongate extension portions having the pistons located at ends thereof.
  • Figure 1 shows a partly sectioned side view of an internal combustion engine
  • Figure 2 shows a partly sectioned side view of the internal combustion engine of
  • Figure 3 shows a partly sectioned side view of the internal combustion engine of
  • Figure 4 shows a front view of the crankshaft and cylinders of the internal combustion engine of Figure 1 ;
  • Figure 5 shows a front view of the crankshaft and cylinders of another embodiment of an internal combustion engine in accordance with the invention.
  • Figure 6 shows a front view of the crankshaft and cylinders of yet another embodiment of an internal combustion engine in accordance with the invention.
  • FIG. 7 shows a partly sectioned, schematic side view of a further embodiment of an internal combustion engine in accordance with the invention.
  • an internal combustion engine in
  • the internal combustion engine 10 comprises, broadly, a crankshaft 12 having a crank 14, a piston member designated generally by the reference numeral 16, and two pairs of
  • cylinders 18 defined in an engine body 19, which are arranged in spaced opposed relationship with respect to one another.
  • crankshaft 12 is essentially a conventional-type crankshaft with the crank 14 being
  • crankshaft 12 defines an axis of rotation A and its crank 14 defines a central axis B along its length.
  • the crankshaft 12 further has a pair of spaced opposed locating members 20 which are located at ends of the crank 14 to provide for the secure location of the crank within the piston member 16.
  • the piston member 16 comprises a piston body 22 having two opposite ends 24, the
  • piston body 22 having two pistons 26 located at each of the ends 24, and a floating
  • crank 14 of the crankshaft 12 is eccentrically located within the
  • the piston member 16 defines elongate extension portions 30 having the pistons 26 located at ends thereof. As such, the piston member 16 forms a single unit in which the pistons 26 are formed integrally with the piston body 22.
  • the floating bearing 28 of the piston member 16 permits forces which are exerted on the
  • the floating bearing 28 is in the form of a disc 32 having a main journal bearing 34 located around its periphery.
  • the piston body 22 defines a central housing in which the main journal bearing 34 is seated.
  • the disc 32 defines an eccentrically-disposed aperture 36 having a big-end journal bearing 38 seated therein, in which the crank 14 of the crankshaft 12 is freely rotatably located.
  • the configuration of the floating bearing 28 is such that it permits the crank 14 of the crankshaft 12 to revolve around the axis A of the crankshaft 12 within the piston member 16 as a result of forces transmitted to the crank 14 via the floating bearing 28.
  • the floating bearing 28 defines a central axis C about which it is displaceable.
  • the internal combustion engine 10 permits forces caused by the controlled combustion of a fuel/air mixture in the cylinders 18 to be operatively exert d on the pistons 26 thereby causing reciprocating linear displacement of the piston member 16 which in turn causes the said forces to be transmitted to the crank 14 of the crankshaft 12 via the floating bearing 28 of the piston member 16 to provide for rotation of the
  • the internal combustion engine 10 operates on a four- stroke cycle and each of the four pistons 26 of the internal combustion engine 10 undergoes a different stroke in the four-stroke cycle of the engine 10. As such, one
  • piston undergoes an induction stroke while another piston undergoes a compression stroke while yet another piston undergoes a power stroke while the final piston
  • pistons 26 located in each bank of cylinders disposed adjacent one another may be synchronised, thereby operating on the same stroke.
  • the piston member 16 is shown at one end of its stroke (hereinafter referred to as bottom-dead-centre for the purposes of explanation).
  • the internal combustion engine 10 is shown in a configuration in which the piston 26.2 in the cylinder 18.2 has just completed a power stroke, the piston 26.1
  • the pistons 26 are disposed mid-way within a particular cylinder 18. In this configuration
  • the piston 26.2 located in the cylinder 18.2 is in the
  • the piston 26.1 located in the cylinder 18.1 is in the process of undergoing an induction stroke and the piston 26.4 located in the cylinder 18.4 is in the process of undergoing a compression stroke.
  • the internal combustion engine 10 is shown in a configuration in which the crank 14 of the crankshaft 12 is displaced through an angle 180° with respect to the position of the crank 14 as depicted in Figure 1 of the drawings.
  • the piston member 16 is displaced through a full stroke
  • FIG. 110 another embodiment of an internal combustion engine in accordance with the invention is depicted by the reference numeral 110.
  • the same and similar reference numerals are used to depict the same and similar
  • crankshaft may comprise a number of banks of cylinders arranged around a crankshaft.
  • an internal combustion engine 210 in accordance with the invention comprises two spaced cylinders 18 in opposed relationship with respect to one another.
  • the internal combustion engine operates on a two-stroke cycle with the induction and compression strokes and the power and exhaust strokes respectively, being combined into one piston stroke, thereby providing for the rotation of a crankshaft through 360° for every completed two-stroke cycle.
  • the mode of operation of an internal combustion engine operating on a two-stroke cycle is similar to that of the internal combustion engine 10 which exhibits a four-stroke cycle as depicted in Figures 1 to 4 of
  • an internal combustion engine 310 in accordance with the invention, comprises a single cylinder 118.
  • the internal combustion engine 310 operates on a two-stroke cycle and has a crank case 312 having a piston member 116 comprising a piston body 122,
  • the piston body 122 has a piston 126 located in the cylinder 118, with the piston 126 being integrally connected to the piston body 122 via a round extension
  • crank case 312 defines a sealing formation 132 that
  • crank case 312 a pair of sliding pads 138 is located within the crank case 312 along opposite sides thereof for guiding the piston body 122 during operative sliding displacement thereof within the crank case 312. It is believed by the Applicant that in the engine 310, no fuel/oil mixture will be required as is the case with conventional internal combustion engines employing a two stroke cycle. Furthermore, the Applicant believes also that no expensive sealing of the crank case will be necessary with the internal combustion engine 310. In the internal
  • a properly metered volume of fuel can be transferred via a fuel inlet port E into the cylinder 118 and the exhaust gases can be discharged through an exhaust port F.
  • no exhaust pipe extraction methods are required to improve
  • “breathing” as a metered fuel mixture is transferred to the combustion chamber.
  • the exhaust port can be further down in the cylinder thereby providing more complete burning of the mixture and
  • body comprises a pair of opposed pistons that are located in opposed cylinders.
  • centrifugal forces will be created by the piston member as is created by the big-end of the connecting rod of a conventional internal combustion engine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

Moteur à combustion interne comprenant au moins un vilebrequin définissant un axe de rotation et possédant au moins un coude sur lequel une force peut être exercée de sorte que la rotation du vilebrequin soit provoquée; au moins un cylindre défini dans un corps de moteur et dans lequel s'effectue la combustion d'un mélange air/carburant, ce qui permet à une force de s'exercer sur un piston situé dans le cylindre; un ensemble piston composé d'un corps de piston, dont une extrémité comporte au moins un piston logé coulissant dans le cylindre selon une disposition où la combustion contrôlée d'un mélange air/carburant dans le cylindre provoque l'action d'une force sur le piston, ce qui provoque un déplacement linéaire alternatif de l'ensemble piston, lequel possède un palier flottant librement rotatif dans le corps de piston, dans lequel le coude du vilebrequin se trouve en position excentrique afin de pouvoir tourner autour de l'axe de rotation du vilebrequin, ce qui permet à ladite force d'être transmise au coude du vilebrequin, par l'intermédiaire du palier flottant de l'ensemble piston, de manière à faire tourner le vilebrequin.
PCT/NL1996/000200 1995-05-10 1996-05-09 Moteur a combustion interne WO1996035860A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU57042/96A AU5704296A (en) 1995-05-10 1996-05-09 An internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA95/3789 1995-05-10
ZA953789 1995-05-10

Publications (1)

Publication Number Publication Date
WO1996035860A1 true WO1996035860A1 (fr) 1996-11-14

Family

ID=25585076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1996/000200 WO1996035860A1 (fr) 1995-05-10 1996-05-09 Moteur a combustion interne

Country Status (3)

Country Link
AU (1) AU5704296A (fr)
WO (1) WO1996035860A1 (fr)
ZA (1) ZA964519B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829618A1 (fr) * 1996-09-12 1998-03-18 Vigh, Andreas, Dipl.-Ing. (FH) Moteur à combustion interne

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB453288A (en) * 1935-04-13 1936-09-09 George Herbert Lee Improvements in reciprocating engines or compressors
FR1567625A (fr) * 1968-05-31 1969-05-16
FR95879E (fr) * 1968-10-01 1971-11-12 Pailler Yves Moteur a plusieurs excentriques.
US4339988A (en) * 1980-04-08 1982-07-20 Ford Motor Company Free eccentric reciprocating piston device
EP0381034A1 (fr) * 1989-02-03 1990-08-08 Michel A. Pierrat Dispositif de déplacement variable et positif de fluide à chambres mobiles
WO1991017374A2 (fr) * 1990-05-04 1991-11-14 Balanced Engines, Inc. Dispositif de translation de mouvement du type a coulisses
DE4100256A1 (de) * 1991-01-07 1992-07-09 Ficht Gmbh Anordnung zum abdichten einer kolbenstangenlagerung einer zweitakt-brennkraftmaschine
DE4205283A1 (de) * 1992-02-21 1993-08-26 Bayerische Motoren Werke Ag Hubkolbenmaschine mit hypozykloidischem kurbelgetriebe, insbesondere brennkraftmaschine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB453288A (en) * 1935-04-13 1936-09-09 George Herbert Lee Improvements in reciprocating engines or compressors
FR1567625A (fr) * 1968-05-31 1969-05-16
FR95879E (fr) * 1968-10-01 1971-11-12 Pailler Yves Moteur a plusieurs excentriques.
US4339988A (en) * 1980-04-08 1982-07-20 Ford Motor Company Free eccentric reciprocating piston device
EP0381034A1 (fr) * 1989-02-03 1990-08-08 Michel A. Pierrat Dispositif de déplacement variable et positif de fluide à chambres mobiles
WO1991017374A2 (fr) * 1990-05-04 1991-11-14 Balanced Engines, Inc. Dispositif de translation de mouvement du type a coulisses
DE4100256A1 (de) * 1991-01-07 1992-07-09 Ficht Gmbh Anordnung zum abdichten einer kolbenstangenlagerung einer zweitakt-brennkraftmaschine
DE4205283A1 (de) * 1992-02-21 1993-08-26 Bayerische Motoren Werke Ag Hubkolbenmaschine mit hypozykloidischem kurbelgetriebe, insbesondere brennkraftmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829618A1 (fr) * 1996-09-12 1998-03-18 Vigh, Andreas, Dipl.-Ing. (FH) Moteur à combustion interne

Also Published As

Publication number Publication date
ZA964519B (en) 1996-07-31
AU5704296A (en) 1996-11-29

Similar Documents

Publication Publication Date Title
RU2168035C2 (ru) Бескривошипный поршневой роторный двигатель
US4011842A (en) Piston machine
JP3016485B2 (ja) クランク無し往復運動２サイクル内燃機関
US4463710A (en) Engine connecting rod and piston assembly
EP0672219B1 (fr) Moteur rotatif
US3931809A (en) Rotary internal combustion engine
WO2001006099A1 (fr) Systeme de balayage a volume reduit pour moteurs a deux temps
US6250263B1 (en) Dual piston cylinder configuration for internal combustion engine
CA1214995A (fr) Machine a piston et parois de cylindre incorpores
AU677396B2 (en) A piston and combustion engine
US4625685A (en) Machine with double acting box piston
JP3377968B2 (ja) 内燃ロータリ・エンジンおよび圧縮機
US4813387A (en) Internal combustion, reciprocating piston engine
US4913100A (en) Double piston engine
WO1996035860A1 (fr) Moteur a combustion interne
US3874346A (en) Internal combustion engine
WO2000036288A2 (fr) Appariement de chambres de combustion dans des moteurs
US9163506B2 (en) Engine
RU2187006C1 (ru) Двигатель внутреннего сгорания
RU2144141C1 (ru) Четырехтактный комбинированный двигатель внутреннего сгорания и способ использования горячих газов высокого давления
US5655486A (en) Engine combustion
RU2009348C1 (ru) Поршневой двигатель
AU689349C (en) Axial piston rotary engine
AU689349B2 (en) Axial piston rotary engine
RU2165030C2 (ru) Двигатель внутреннего сгорания

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BB BG BR BY CA CH CN CZ DE DK EE ES FI GB GE HU IS JP KE KG KP KR KZ LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN AM AZ BY KG KZ MD RU

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN

121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载