CA2616246A1 - Two stroke heat engine connected to a double stroke precompression piston - Google Patents

Two stroke heat engine connected to a double stroke precompression piston Download PDF

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Publication number
CA2616246A1
CA2616246A1 CA002616246A CA2616246A CA2616246A1 CA 2616246 A1 CA2616246 A1 CA 2616246A1 CA 002616246 A CA002616246 A CA 002616246A CA 2616246 A CA2616246 A CA 2616246A CA 2616246 A1 CA2616246 A1 CA 2616246A1
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Canada
Prior art keywords
piston
heat engine
valve
engine according
compression
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Granted
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CA002616246A
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French (fr)
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CA2616246C (en
Inventor
Pauline Blain
Christelle Blain
Alexis Blain
Jean-Yves Blain
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Publication of CA2616246A1 publication Critical patent/CA2616246A1/en
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Publication of CA2616246C publication Critical patent/CA2616246C/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L11/00—Valve arrangements in working piston or piston-rod
    • F01L11/02—Valve arrangements in working piston or piston-rod in piston
    • 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
    • F01B7/00—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F01B7/18—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with differential piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
    • F01L21/04—Valves arranged in or on piston or piston-rod
    • 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
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/10—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
    • 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
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/10—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
    • F02B33/14—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons forming stepped piston
    • 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
    • F02B75/002—Double acting engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • F01L3/205—Reed valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Moteur thermique à piston de travail double effet, solidaire d'un piston de pré-compression double effet, ceci afin d'obtenir deux explosions par tour s ur une seule bielle. L'invention concerne un moteur thermique doté d'un ou plusieurs pistons quadruple effet, destiné à faire travailler la (ou les) bielles (209) à la compression et à l'extension sous l'effet de deux explosions par bielle et par tour. Les chambres de pré-compression (320) (32 1) sont équipées de clapet d'entré (238) et de clapet de sortie (282) (203). Le s gaz pré-comprimés sont destinés à gaver les chambres de travail (323) (324) lorsque simultanément les soupapes d'admission (213) et d'échappement (229) sont ouvertes. Le moteur selon l'invention est destiné aux mêmes utilisation s que les moteurs thermiques actuels.Double-acting working piston heat engine, integral with a double-acting pre-compression piston, in order to obtain two explosions per revolution on a single connecting rod. The invention relates to a heat engine provided with one or more quadruple-acting pistons, intended to work the connecting rod (s) (209) in compression and extension under the effect of two explosions per connecting rod and per revolution. . The pre-compression chambers (320) (32 1) are equipped with an inlet valve (238) and an outlet valve (282) (203). The pre-compressed gases are intended to force-feed the working chambers (323) (324) when simultaneously the intake (213) and exhaust (229) valves are open. The engine according to the invention is intended for the same uses as current heat engines.

Claims (13)

1)Moteur thermique à piston de travail double effet (411 figure 2) solidaire d'un piston pré-compression double effet (212 figure 2),caractérisé en ce que le déplacement du piston de pré-compression double effet (212 figure 2) soit totalement ou partiellement intégré dans un espace en forme de cylindre creux extérieur au système contenant le ou les pistons de travail double effet (411 figure 2) et que le piston de pré-compression double effet (212 figure 2) soit totalement ou partiellement intégré dans la hauteur nécessaire au déplacement du piston de travail double effet (411 figure 2), le système peut être multiple dans un but d'équilibrage ou de multiplication de la puissance. 1) Double acting piston engine (411 figure 2) secured to a double-acting pre-compression piston (212 Figure 2), characterized in that the displacement of the double-acting pre-compression piston (212 figure 2) either totally or partially integrated into a fit space of hollow cylinder outside the system containing the double acting pistons (411 figure 2) and that the double-acting pre-compression piston (212 figure 2) either totally or partially integrated in the height required to move the double acting working piston (411 Figure 2), the system can be multiple for one purpose balancing or multiplying the power. 2) Moteur thermique selon revendication 19 caractérisé en ce que la culasse (300 figure 7) soit équipée d'une soupape (229 figure 7) contrainte à l'ouverture par effet d'entraînement dans la fin de course basse du piston de travail (301 figure 1), le contact entre la soupape et le fond du piston peut dire éventuellement amorti par un ressort de contact, selon une autre version le dit piston de travail peut être équipé d'une deuxième soupape (213 figure 7) entraînée elle-même par le piston (301 figure 7), la priorité à l' ouverture entre les soupapes (229 figure 7) et (213 figure 7) est conditionnée par la différence de résistance à la compression entre les ressorts (252 figure 7) et (214 figure 7), la soupape (229 figure 7) peut être équipée d'un conduit (230 figure 7) destiné à son refroidissement et que la canalisation (240 figure 7) ou (240 figure 8) chevauche de par l'intérieur ou de par l'extérieur l'extrémité de la soupape (229 figure 7) pour que la dite canalisation puisse servir de guide à la soupape (229 figure 7). 2) heat engine according to claim 19 characterized in that the cylinder head (300 figure 7) is equipped with a valve (229 figure 7) constrained to the opening by effect drive in the lower end of the piston stroke (301 Figure 1), the contact between the valve and the bottom of the piston can say eventually amortized by a contact spring, according to another version said piston of can be equipped with a second valve (213 figure 7) itself driven by the piston (301 Figure 7), the priority to the opening between the valves (229 figure 7) and (Figure 7) is conditioned by the difference in resistance to compression between the springs (252 figure 7) and (214 Fig. 7), the valve (229 Fig. 7) can be equipped with a conduit (230 figure 7) intended for its cooling and that the pipe (240 figure 7) or (240 Figure 8) overlaps from within or through outside the end of the valve (229 Figure 7) to that said pipe can serve as a guide to the valve (229 Figure 7). 3) Moteur thermique selon revendication 1 caractérisé en ce que la culasse (280 figure 6) (280 figure 9) soit équipée d'une soupape (260 figure 9) possédant éventuellement un évacuateur de chaleur (234 figure 10), que la dite soupape soit contrainte à l'ouverture par une came (266 figure 10) solidaire du vilebrequin (267 figure 10), que la dite soupape soit ou non lubrifiée et refroidie par un conduit (269 figure 9) en provenance de l'orifice de lubrification du coussinet de palier (270 figure 9), la dite soupape peut être équipée d'un conduit de circulation des gaz (237 figure 10) ayant pour fonction de refroidir la dite soupape. 3) heat engine according to claim 1 characterized in what the cylinder head (280 figure 6) (280 figure 9) is equipped a valve (260 FIG. 9) possibly having a heat evacuator (234 Figure 10), that the said valve is constrained to opening by a cam (266 figure 10) integral with the crankshaft (267 figure 10), that the said valve whether or not lubricated and cooled by a conduit (269 figure 9) from the lubrication port of the bearing bushing (270, FIG. 9), the said valve may be equipped with a gas circulation duct (237 figure 10) having the function of cooling said valve. 4) Moteur thermique selon revendication 1 caractérisé en ce que les gaz d'admission sous pression atmosphérique ou sous pression résultant de l'utilisation d'un turbo-compresseur ou d'une turbine, soient envoyés vers les chambres de pré-compression (320 figure 12) (321 figure 12), en passant au travers de un ou plusieurs clapets anti-retour d'admission (238 figure 12) pour ensuite sous forme comprimée, qu'ils s'échappent par un conduit (281 figure 5) équipé éventuellement d'échangeur de chaleur (283 figure 5) ou qu'ils s'échappent par le passage reliant la chambre de pré-compression (321 figure 12) à la chambre de travail (324 figure 12) en passant au travers d'un ou plusieurs clapets anti-retour de sortie (282 figure 5) (203 figure 5) ou de simples lumières, les gaz d'admission sont éventuellement partiellement ou complètement déviés au travers d'un ou plusieurs clapets (284 figure 5) afin de fournir un travail auxiliaire interne ou externe au dit moteur. 4) heat engine according to claim 1 characterized in what the intake gases under atmospheric pressure or under pressure resulting from the use of a turbo-compressor or turbine, be sent to the pre-compression chambers (320 figure 12) (321 figure 12), passing through one or more check valves admission (238 figure 12) and then in the form compressed, that they escape by a conduit (281 figure 5) possibly equipped with a heat exchanger (283 figure 5) or that they escape through the passage connecting the chamber of pre-compression (321 Fig. 12) to the work chamber (324 figure 12) passing through one or more valves anti-return device (282 figure 5) (203 figure 5) or simple lights, the intake gases are eventually partially or completely deviated through one or several valves (284 figure 5) to provide a job auxiliary internal or external to said engine. 5) Moteur thermique selon revendication 1 caractérisé en ce que l'accès des gaz d'admission aux chambres de travail (324 figure 2) (323 figure 5) soit autorisé par la fin de course de travail du piston de travail (205 figure 5) (301 figure 1) ou selon une autre version que l'accès des gaz d'admission à la chambre de travail soit autorisé par la mise en communication de l' orifice du piston (205 figure 4) avec l'orifice de communication de la chemise (309 figure 4), conjointement alignés avec l'orifice appartenant au piston de travail (301 figure 4) et l'espace libéré suite à
l'ouverture de la soupape (213 figure 4). 5) heat engine according to claim 1 characterized in what access of the intake gases to the working chambers (324 figure 2) (323 figure 5) is authorized by the end of working stroke of the working piston (205 figure 5) (301 figure 1) or according to another version than the gas access admission to the Chamber of Labor is authorized by the placing the piston orifice in communication (205 figure 4) with the communication port of the liner (309 4), in line with the orifice belonging to the piston (301 figure 4) and the space released following the opening of the valve (213 figure 4). 6) Moteur thermique selon revendication 1, caractérisé en ce que les gaz d'admission et éventuellement le jet d'injection puissent être propulsés perpendiculairement à la trajectoire du piston (205 figure 5) et tangents à l'axe de la chambre de travail (323 figure 5) par l'orientation du conduit (281 figure 5) représenté page 3/8 section A-A et que l'injecteur de carburant peut être installé dans le dit conduit. 6) heat engine according to claim 1, characterized in what the intake gases and possibly the jet injection can be propelled perpendicular to the trajectory of the piston (205 figure 5) and tangent to the axis of the working chamber (323 figure 5) by the orientation of the led (281 figure 5) shown page 3/8 section AA and that the fuel injector can be installed in the said leads. 7) Moteur thermique selon revendication 1, caractérisé en ce que l'intérieur du piston de travail (301 figure 1) soit ventilé par la circulation d'air générée par les variations de volume de la chambre située entre le piston (411 figure 1) et la chemise (309 figure 1), éventuellement maîtrisée par des clapets (207 figure 1) (208 figure 1). 7) heat engine according to claim 1, characterized in what the inside of the working piston (301 figure 1) is ventilated by the air flow generated by the variations volume of the chamber located between the piston (411 1) and the jacket (309 figure 1), possibly controlled by valves (207 Figure 1) (208 Figure 1). 8) Moteur thermique selon revendication 1 caractérisé en ce que le film de graissage nécessaire au glissement des segments peut être diffusé par une ou plusieurs bagues poreuses (227 figure 1), (277 figure 5) approvisionnées en liquide de lubrification provenant du circuit de lubrification du dit moteur ou que la ou les dites bagues poreuses soient alimentées par un doseur de liquide de lubrification spécifique à cette fonction. 8) heat engine according to claim 1 characterized in what the lubricating film needed to slip the segments can be broadcast by one or more rings porous (227 Figure 1), (277 Figure 5) supplied with lubricating fluid from the circuit of lubrication of said engine or that said ring (s) porous are fed by a liquid dosing device lubrication specific to this function. 9) Moteur thermique selon revendication 1, caractérisé en ce que le lubrifiant du dit moteur peut être refroidi par des ailettes (288 figure 5) chargées de transférer la chaleur contenue dans le lubrifiant vers le circuit de refroidissement circulant dans la culasse (280 figure 5). 9) A heat engine according to claim 1, characterized in what the lubricant of said engine can be cooled by fins (288 figure 5) responsible for transferring the heat contained in the lubricant to the circuit of cooling circulating in the cylinder head (280 Figure 5). 10) Moteur thermique selon revendication 1 caractérisé
en ce que l'étanchéité par segmentation peut être assurée par deux segments superposés (310 figure 11) en contact avec un troisième segment (303 figure 11), que ces trois segments se logent dans une gorge ou appuient sur un épaulement et soient maintenus par un anneau élastique (302 figure 11) ou une bague (304 figure 11) les dit segments sont éventuellement équipés d'un système à ressort à titre d'exemple (307 figure 11), les montages peuvent être superposés afin d'obtenir un espace annulaire (311 figure 10) heat engine according to claim 1, characterized in that the sealing by segmentation can be ensured by two superimposed segments (310 figure 11) in contact with a third segment (303 figure 11), that these three segments lodge in a throat or press on a shoulder and are held by an elastic ring (302 figure 11) or a ring (304 figure 11) said segments are possibly equipped with a spring-loaded system example (307 figure 11), montages can be superimposed to obtain an annular space (311 11) en communication avec un circuit de lubrification spécifique ou commun avec le circuit de lubrification du moteur relié par un canal (305 figure 11) situé sur l'extrême partie basse de l'espace nécessaire entre le jeu de segments du bas et l'intérieur de la gorge ou de l'épaulement contenant les dits segments, la dite lubrification assurant aussi une fonction de refroidissement.

11) Moteur thermique selon revendication 1, caractérisé
en ce que les principales pièces fixes (300 200 201 202 280 figure 6) peuvent être fixées par effet d'empilement et solidarisées entre-elles par fixation (402 figure 6) encaissant les dilatations des différentes pièces ci-dessus nommées et que la chemise (309 figure 7) ou (403 figure 8) soit dissociable de la culasse (300 figure 7), pouvant être maintenue en position par fixation (243 figure 7) ou (400 figure 8) accessible après mise en place de la culasse (300 figure 7) tout en maintenant prisonnière la chemise (210 figure 7) ou (404 figure 8), les dites chemises (210 figure 7) ou (404 figure 8) peuvent êtres confondues en une même et seule pièce avec leur chemise de bridage respective (309 figure 7) ou (403 figure 8). 11) in communication with a lubrication circuit specific or common with the lubrication circuit of the motor connected by a channel (305 Figure 11) located on the extreme low part of the space needed between the game segments of the bottom and inside of the throat or the shoulder containing the said segments, the so-called lubrication also providing a function of cooling.

11) Heat engine according to claim 1, characterized in that the main fixed parts (300 200 201 202 280 figure 6) can be fixed by stacking effect and secured to one another by fixation (402 FIG. 6) enclosing the expansions of the various pieces above named and that the folder (309 figure 7) or (403 figure 8) separable from the cylinder head (300 figure 7), which can be held in position by fixation (243 figure 7) or (400 figure 8) accessible after installation of the cylinder head (300 figure 7) while still holding the shirt (210 FIG. 7) or (404 FIG. 8), the said folders (FIG.
7) or (404 figure 8) can be confused in the same and single piece with their respective clamping sleeve (309 Figure 7) or (403 Figure 8). 12) Moteur thermique selon revendication 1 caractérisé
en ce que la chambre de travail (324 figure 12) peut être alimentée par un carburant de propriétés différentes du carburant alimentant la chambre de travail (323 figure 12) éventuellement de façon permanente ou momentanée, seulement l'une des deux dites chambres de travail soit alimentée en carburant. 12) heat engine according to claim 1, characterized in that the working chamber (324 Fig. 12) can be powered by a fuel of different properties from the fuel supplying the work chamber (323 Figure 12) possibly permanently or momentarily, only one of the two said chambers of work is fed fuel. 13) ~Moteur thermique selon revendication 1 caractérisé

en ce que les balourds engendrés par les mouvements des pièces mobiles (411, 212, 220, 209 figure 1), peuvent être atténués par deux masses équivalentes intégrées ou non à des pièces existantes, tournant sur le même axe et ayant un sens de rotation opposé l'un à l'autre et dont les effets convergents s'opposent aux balourds des dites pièces mobiles. 13) ~ heat engine according to claim 1, characterized in that the unbalances generated by the movements of moving parts (411, 212, 220, 209 figure 1), can be attenuated by two equivalent masses integrated or not into existing parts, turning on the same axis and having a meaning rotation opposite to each other and the effects of which convergent opposes the unbalance of the said parts mobile.
CA2616246A 2006-05-11 2007-03-08 Two stroke heat engine connected to a double stroke precompression piston Active CA2616246C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0604151A FR2900970B1 (en) 2006-05-11 2006-05-11 THERMAL MOTOR WITH DOUBLE EFFECT WORKING PISTON, SOLIDARITY OF A DOUBLE-EFFECTS PRECOMPRESSION PISTON, IN ORDER TO OBTAIN TWO EXPLOSIONS BY ROTATING ON A SINGLE ROD
FR0604151 2006-05-11
PCT/FR2007/000412 WO2007132075A1 (en) 2006-05-11 2007-03-08 Two stroke heat engine connected to a double stroke precompression piston

Publications (2)

Publication Number Publication Date
CA2616246A1 true CA2616246A1 (en) 2007-11-22
CA2616246C CA2616246C (en) 2011-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2616246A Active CA2616246C (en) 2006-05-11 2007-03-08 Two stroke heat engine connected to a double stroke precompression piston

Country Status (3)

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CA (1) CA2616246C (en)
FR (1) FR2900970B1 (en)
WO (1) WO2007132075A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931208B1 (en) * 2008-05-15 2011-04-22 Jean Yves Blain THERMAL ENERGY RECOVERY ENGINE EQUIPPED WITH A DOUBLE-EFFECT DUAL-FUNCTION DUAL PISTON TO OBTAIN TWO WORKING FORCE ON A SINGLE ROD
WO2010115382A1 (en) * 2009-04-07 2010-10-14 Josef Erychleb Combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US886846A (en) * 1906-05-31 1908-05-05 Konrad Nicoll Explosive-engine.
FR545853A (en) * 1922-01-13 1922-10-23 Internal combustion engine
DE515494C (en) * 1929-02-23 1931-01-06 Herbert Karl Christiansen Double-acting two-stroke engine
US3955543A (en) * 1974-02-06 1976-05-11 Brown Arthur E Two stroke cycle internal combustion engine
GB2183726A (en) * 1985-11-19 1987-06-10 Andrew David Marsh Double-acting two stroke I.C. engine
DE3842802A1 (en) * 1988-12-20 1990-06-21 Karl Eickmann Double-piston assembly, especially internal combustion engine
CA2464227C (en) * 2004-03-31 2009-02-03 Jean-Louis Major Double action piston assembly

Also Published As

Publication number Publication date
WO2007132075A1 (en) 2007-11-22
FR2900970B1 (en) 2011-12-23
CA2616246C (en) 2011-04-12
FR2900970A1 (en) 2007-11-16

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