WO2001066917A1 - Moteur a combustion interne a recuperation d'energie - Google Patents

Moteur a combustion interne a recuperation d'energie Download PDF

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Publication number
WO2001066917A1
WO2001066917A1 PCT/BG2001/000005 BG0100005W WO0166917A1 WO 2001066917 A1 WO2001066917 A1 WO 2001066917A1 BG 0100005 W BG0100005 W BG 0100005W WO 0166917 A1 WO0166917 A1 WO 0166917A1
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WO
WIPO (PCT)
Prior art keywords
axle
central
shaft
distributive
valve
Prior art date
Application number
PCT/BG2001/000005
Other languages
English (en)
Inventor
George Asenov Galabov
Original Assignee
Stefanov, George Stoyanov
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 Stefanov, George Stoyanov filed Critical Stefanov, George Stoyanov
Publication of WO2001066917A1 publication Critical patent/WO2001066917A1/fr

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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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
    • 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
    • F01L3/06—Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • 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

Definitions

  • the invention is concerned to a accumulator-regenerative internal combustion engine, which finds application in operating vehicles and immobile machines and facilities, used for various kinds of business activities as well as for high/middle-pressured fluid compressors.
  • the 4-stroke Piston Internal Combustion Engine in petrol or diesel versions consisting of cylinder block with formed within it operation cylinders, wherein a piston is mounted in everyone of them, connected by a rocker to a crankshaft whereto a distributive cam shaft is connected by means of a 2: 1 gear ratio mechanical transmission, is well-known.
  • the cams are plug-connected to inlet and exhaust valves mounted within inlet and exhaust holes formed for everyone of the operative cylinders into a cylinder head immobile joined to the cylinder block wherein a hole is made for mounting both a sparking plug or a fuel- injection nozzle.
  • the crankshaft is connected by a operated vehicle transmission by a connector, which has an arresting system controlled by a brake-pedal to reduce motion velocity of the transport vehicle and an accelerator to support or increase motion velocity of the transport machine.
  • the internal combustion engine shortcomings are such that when a reverse rotation moment is delivered, from the transmission drive of the operated transport machine to the engine's crankshaft, for instance, in motion of the transport machine in downward slope with no fuel feeding, to the operation cylinders, the engine operates as power consumer with negative efficiency since the consumed power delivered by the operated transport machine's inertial mass owing to the thermodynamic losses in the operation room of the operation cylinders is converted in unusable heat, detached to the ambience.
  • the "positive" effect in consumption of this power is expressed as arresting action upon the motion velocity of the transport machine, which action is scanty for its efficient deceleration. It is imposed intensive using the brake system, which becomes a consumer of the kinetic and potential energy stored up to here by the internal combustion engine as inertial mass of the transport machine, which is conversed into unusable heat detached in ambience.
  • Another shortcoming of the internal combustion engine is in that a relative great part (25-55%) of the thermal energy produced in the combustion process is not used in yield but it is taken away in the ambience along with the exhausted gases.
  • a gas-distributive assembly of 4-stroke internal combustion engine wherein the distributive shaft is on bearings in carrier suspended on joint axle whereto data sensors accounting its angular position (bearing/azimuth and elevation) linked to a microprocessor for executive mechanism control connected to a carrier arm.
  • This gas-distributive mechanism provides conditions for passing thermodynamic processes within the operation cylinders, typical for internal combustion engine only (2.
  • a Piston hot-air machine is well-known, whose structure is identical to the internal combustion engine one's with that distinction that the exhaust holes of a part of its operation cylinders termed as a "compressor” are connected to the inlet holes of the second part of the operation cylinders, termed as "pneumatic engine” by means of fitting pipelines jointed in serial by means of a heat exchanger plugged-in to external (outer) heater.
  • the exhaust holes of the operation cylinders of the "pneumatic engine” are connected to inlet holes of the operation cylinders of the "compressor” by means of fitting pipelines jointed in serial to a heat exchanger coupled to outer cooler.
  • the aim of the invention is to create a restore - regenerative internal combustion engine, which to be reshaped classical internal combustion engine with inner or outer mix making in such manner that it to work not only as internal combustion engine as well as to converse and store the surplus kinetic energy accumulated first into the internal mass of the powered vehicle in during its motion as well as for conversion of a part of the thermal energy containing into exhausted gases in its working as internal combustion engine into potential energy could be regenerate into rotation momentum delivered to the transmission drive of the powered vehicle.
  • this problem is solved by the storage-regenerative internal combustion engine composed of a cylinder block, operation cylinders provided with pistons, reels, crankshaft connected to the transmission shaft of the powered vehicle provided with a brake system, brake-pedal, accelerator pedal, a chain-driven toothed gear provided with a central cogwheel of a bearing on a central axle, a cylinder head provided with a hole for fuel-a jetting nozzle or a sparking plug, inlet and exhaust holes provided with valves mounted in them and connected to the rockers with formed on them plug stages, a data sensor and a servo-drive, connected to the carrier and plugged-in to a microprocessor.
  • a second distributive shaft provided with cams is on bearings in the carrier as each of the cams is located on a common plain along with the rocker's plug stage and along with the distributive shaft's cam.
  • a single carrier connected to a single servo-driver is suspended on each of the operation cylinders.
  • the distributive shafts are joined to the crankshaft in 2: 1 gear ratio; the crankshaft is joined to the second distributive shafts in 1 : 1 gear ratios.
  • a feeding and a compressing holes are formed, which as well as the feed hole by means of a re- distributor with initial switchers, each of them is provided with a single "i-m" servo-driver, are connected in serial to "n" numbers of cooling tank's chambers and to a heating tank.
  • a heat exchanger is mounted, it is always plugged-in to an outer cooler, but in the heating tank a heat exchange is mounted which by means of the re-distributor with final switchers, each of them with single i-m servo driver, is selectively connected to the exhaust hole for the operation room of t he operation cylinders.
  • An one-way barrage-feed valve is mounted in the feed hole of the operation cylinders which is composed of a feeding valve provided with valve a washer pressed by a spring to the pass holes made in a cone-formed cup, and by a barrage valve provided with a spindle pressed by a valve spring and plug-in connected to a cam, to a valve bed, the said cam is formed upon pressing shaft whose second cam is plug-in connected to a spindle of the barrage valve adjoining to an one-way barrage-compressing valve with compressing valve composed of a valve washer pressed by a spring to the said pass holes, made in a cone-formed cup which is mounted within the compress hole.
  • a carrier is articulately suspended on bearings in it an axle-moved distributive shaft with formed by 1 piece first feeding cam located next to rocker's plug stage, adjoining to the feeding hole's valve, and by 1 piece exhaust cam, located near to the rocker's plug stage, adjoining to the exhaust hole's valve. Close to them but in other plains by two pieces are formed by 2 pieces of feed cams transposed each to other on 180° and by 2 pieces of exhaust cam each to other on 180° too.
  • axle-movable distributive shaft On the axle-movable distributive shaft, are made grooves axle-movable in groove channels made in the central hole of a big central cogwheel with bearings in supports formed in the carrier whereon an axle- movable sleeve with a fork put in a diametrical channel made in the axle- movable distributive shaft and connected to an 'i-m' the servo-driver.
  • an additional carrier is articulately suspended which is connected to an 'i-m' servo-driver and wherein an additional distributive shaft with formed two pieces of feeding cams locate in 90° each to other and positioned to the plug stage formed on a rocker plug- connected to the barrage valve's spindle, is on bearings in it.
  • axle-movable distributive shaft is on bearings on the additional carrier whereon two pieces of feeding cams and two pieces of pushing out cams are formed, and near to the feeding cams but in another plain a third feeding cam is formed.
  • first and second drawing wheel located on different distances from the rotation axle wherein locking pins coupled to two-side micro plungers mounted in little servo cylinders each of them having by two operation rooms and connected by channels made in the central shaft with transition rooms generated between the central shaft and mounted to a it fixed transferring head which are selectively plugged-in by three-way tap provided with 'i-m' servo- driver to the heating tank or the atmosphere air.
  • SRICE Storage-Regenerative Internal Combustion Engine
  • SRICE Storage-Regenerative Internal Combustion Engine
  • Figure 1 Assembly Diagram of 3-cylinder SRICE; one of its operation cylinders is shown only.
  • Figure 2 Schematic Section of one of SRICE 's Operational Cylinders and of part of its Cylinder head done across the axle of the Crankshaft.
  • Figure 3 Schematic Section of the Cylinder head and a part of the Operation cylinder is shown, it is done across the inlet valve's spindle crosswise of the
  • Figure 4 Schematic section of the Carrier along with bearings into it distributive and second distributive shafts done crosswise the axle of the Central shaft.
  • Figure 5 Section of the Cylinder Head done across the barrage- feeding valve.
  • Figure 6 Section of the Cylinder head done across the barrage-compressing valve
  • Figure 7 Section of the Carrier along with bearing into it axle-movable distributive shaft done across the Central shaft's axle.
  • Figure 8 Schematic Section of the Additional Carrier along with the bearing into it an additional distributive shaft and pressing rollers done across the Second Central shaft's axle.
  • Figure 9 Schematic Section of the Additional Carrier done crosswise of the Second Central shaft and across the barrage-compressing valve.
  • FIG. 11 Schematic Section of the Central drawing wheels, Servo-driver cylinders and the Transferring Head.
  • the Storage-Regenerative Internal Combustion Engine is consist of a reconstructed piston 4-stroke internal combustion engine composed of: a cylinder block 1, operation cylinders 1 1 with operation room 12, pistons 12, clutches 14, a crankshaft 15 connected by connector 19 to the shaft of a transmission drive 18 of the powered vehicle along a brake system 183, brake-pedal 182, accelerator (-pedal) 181.
  • a cylinder head 2 along with a hole designed for both a fuel-jetting nozzle or a sparking plug 29, along with inlet 22 and exhaust 25 holes, inlet 22 and exhaust 26 valves, rockers 23,27 along with formed on them plug stages 24,28 in form of part of cylindrical surface along with a central axle 300, whereon a carrier is articulately suspended whereto a 'i-m' servo-drive and 'i' data sensor are connected in serial and plugged to a microprocessor 30. On the carrier a cam distributive shaft is bearing, its cams are plug-connected to the plug stages 24,28.
  • each of the second distributive shafts 5 is coupled by one drawing cogwheel 51 which is clutched to one of the second central cogwheels 50 coupled to the central shaft 6 too whereto is coupled and the central chain-driven cogwheel 60, which by means of driving chain 17 is clutched to chain cogwheel 16 located on the crankshaft 15.
  • the end gear ratios from the crankshaft 15 to the distributive shafts 4 is 2:2, and to the second distributive shafts 5 is 1 :1.
  • each of the inlet valves 22 Towards to the spindle of each of the inlet valves 22 is located balancing micro- piston 221 along with sealing ringlets located in the micro-cylinder 223 with operation room 21 formed in the cylinder head2, wherein per each of the operation cylinders 11 are formed else inlet hole 7 and compress hole 8.
  • inlet hole 7 is mounted one-way barrage-inlet hole 70
  • compress hole 8 is mounted one-way barrage-feeding 70 and barrage-compress 80 valves.
  • Each of the one-way barrage-compress 70 and barrage-feeding valves 80 is consists of valve bed 71,81 coupled by means of cone-formed cup 72,78 along with carrier 73,83.
  • the feed hole 21, the inlet hole 7, the compress hole 8, and exhaust hole 25 by means of re-distributor 94 and connecting pipeline are plugged to storage- regenerative system 9, composed of cooling tank 91 consisting of located one in other 'n' numbers chambers 911 ,912,913... up to 'n', wherein is located heat- exchanger 910 plugged to outer cooler 93 and they are mutual connected by one-way valves 901, 902, 903.
  • the last chamber 913, located on the interior of the rest by means of connecting pipeline and one-way demarcating valve 909 is connected to heating tank 92 wherein is located heat exchanger 920.
  • initial switchers 94 located to the re-distributor 94 per each of the operation cylinders 1 1 , chambers 91 1,912,913 of the cooling tank 91 and heating tank 92 are selectively connected to the feed hole 21, to inlet hole 7 and to compress hole 8, adjoining to the separate operation cylinders 11, and their exhaust holes 25 by means of end switchers 942 located on re-distributor 94 are selectively connected to the atmosphere 95 through the heat-exchanger 920 of the heating tank 92 or directly.
  • Each of the initial 941 and end switchers is connected to the servo-drives 'i-m' 941 and 'i-m' 942 for changing their operation positions.
  • second central axle 800 is articulately suspended additional carrier 333 connected to servo-drive 'i-m' 333 and to data sensor i, as in the additional carrier 333 is bearing an additional distributive shaft 700 along with formed on it two pieces of inlet cams 701 ,702 shift each other on 90°, and two pieces pushing out cams 801,802 shift each other on 90°, and in relation to feeding cams 701 ,702 - on 45°.
  • axle-movable shaft 900 whereon are formed both the two pieces inlet cams 701,702 and the two pieces pushing out cams 801,802 as near to the inlet cams 701,702 but in another parallel plain is formed third feeding cam 944.
  • first 61 and second 62 central drawing wheels as in each of them are formed barrage-centering beds 61 1,612; 621,622, located at different ranges from the rotation axle wherein are selectively placed locking pins 511,512 coupled to the micro-plungers 510,520 mounted in executive micro cylinders 500 each of them with by two operation rooms 501, 502, which are connected by channels 503,504 made into the central shaft 6 with transition rooms 505,506 formed between the central shaft 6 and mounted to it fixed transferring head 507 connected by a three-way valve 508 to the servo 'drive 'i-m' 508, selectively to the heating tank 92 or to the atmosphere 95.
  • the first central drawing wheel 61 by driving chain 171 is clutched with gear ratio 1 :1 to guiding wheel 161, coupled to the crankshaft 15 whereto is coupled and second driving wheel, - which by driving chain 172 is clutched with gear ratio 2:1 to the second central drawing wheel 62.
  • cooling tank 91 by the re-distributor 94 it is possible the cooling tank 91 by the re-distributor 94 to be connected to feeding and to compress holes, are (not shown on the figures) of a air/gas compressor.
  • the carriers 3 are articulately turned around the central axle 300 so that the distributive shafts 4 and the second distributive shafts 5 are equal distanced by the plug stages 24,28 of the rockers 23,27 whereupon the cams 44,48,54,58 are not plugged to the plug stages 24,28.
  • the feed holes 21 and exhaust holes 25 are always closed by the feed valve 22 and exhaust valve 26.
  • the pressing shafts 780 are turned around its axles, so that the cams 781,782 press the spindles 78,88 of the barrage valves 77,87 deforming the springs 79,89 and opening always the valve bed 71,81 holes.
  • the initial switchers 941 are located in neutral positions whereupon the inlet holes 7 and compress holes 8 of all the operation cylinders 11 are connected one other to the common room, which is not shown on the figures.
  • the crankshaft 15 is turned by an external force in the operation cylinders 11 wherein the pistons 13 are moved from UDP (upper dead point) to BDP (bottom dead point) a down pressure is produced, but the operation cylinders 11 wherein the pistons 13 are moved from BDP to UDP an over pressure is produced.
  • the produced down pressure and over pressure are mutual balanced by the common room and passing holes 74,84, opened and closed by the relevant valve washers 76,86 under impact of the their springs 75,85 and under impact of the force generated by pressure difference under and over them.
  • the initial switchers 941 of one, two or more operation cylinders 11 are shifted as its inlet hole 7 is connected to the atmosphere 95, and their compress hole 8 - to the first chamber 911.
  • air sucks in from the atmosphere which surrounds the force of the spring 75 and through the opened by the valve washer 76 passing holes 74 it intakes into the operation room 12, which air at the opposite piston 13 stroke from BDP to UDP it is compressed, surmounting the spring 85 force and through opened by the valve washer 86 passing holes 84 is supercharging into the chamber 911 of the cooling tank 91.
  • the compressed air supercharge into the chamber 911 continues up to reaching utmost permissible difference between the initial and end pressure of the compressed air known from the compressed air compressor, at which the initial switchers 941 of one, two or more operation cylinders 11 connect their inlet hole 7 to the chamber 91 1, and their supercharging hole 8 - to the chamber 912, hereby at piston 13 stroke from UDP to BDP in the operation room 12 enters compressed air from the chamber 911, which at the piston 13 stroke from BDP to UDP is compressed for second time and it is supercharged to the chamber 912, which supercharging continues up to reaching the utmost permissible difference between the initial and end pressure.
  • the initial switchers 941 of one, two or more operation cylinders 11 connects their inlet holes 7 to the chamber 912, and their supercharging holes 8 - to the chamber 913, wherewith at piston 13 stroke from UDP to BDP in the operation room 12 intakes compressed air from the chamber 912, which air at the piston 13 stroke from BDP to UDP is compressed for third time and it is supercharged into the chamber 913, from where through the one-way demarcating valve 909 passes into the heating tank 92.
  • the operation cylinders automatically proceed to work in neutral cycle.
  • the carrier 3 of one, two or more operation cylinders 11 are articulately turned around the central axle 300, so that their distributive shafts 4 are located near to the plug stages 28.
  • cams 44,48 control the opening and closing inlet holes 21 and exhaust holes 25 of the operation room 12 in sequence and cyclic recurrence fully identical with ones of the known classical 4-stroke internal combustion engine.
  • the operating cycle along the expansion and exhausting processes is realized for two strokes of the piston 13, reckoned from UDP to BDP and vice versa.
  • the pressure power of the compressed air located into the feeding hole, acting towards in direction of opening feeding valve 22 is balanced by the force generated by the same this pressure acting on the micro plunger 221 in direction of closing feeding valve 22.
  • At the operating cycle of the pneumatic engine is regenerated the stored potential energy in the form of compressed or hot compressed air.
  • the initial switchers 941 of the operation cylinders 11 operating as 4-stroke internal combustion engine connect their feeding holes 21 to the chamber 913 of the cooling tank 91 wherewith forced loading of the operation room 12 with compressed air is realized.
  • axle-movable distributive shafts 400 on bearings in the carriers 33, the plug stages 24,28 of the rockers 23,27 get into contact, respectively, with the first feeding cam 444 and with the first exhaust cam 448 whereupon the relevant operation cylinder 11 operates as an internal combustion engine or get selectively in contact, respectively, with the second feeding cams 454 and with second exhaust cams 458 whereupon the relevant operation cylinder 11 operates as a pneumatic engine.
  • the axle shifting axle-movable distributive shafts 400 is accomplish in a moment when their carriers 33 are articulately turned about the central axle 300 so that the cams 444, 448, 454, 458 do not get in contact with the plug stages 24, 28.
  • the plug stages 24,28 of the rockers 23,27 to contact, respectively, with the first feeding cam 444 and first exhaust cam 448 of the axle-movable distributive shaft 400, the plug stage 703 of the rocker 704 to contact with the feeding cams 701,702 of the additional distributive shaft 700, whereon the pushing out cams 801,802 to contact with the plug stage 803 of the rocker 804, the feeding hole 7 by the initial switcher 9421 to be connected to the heating tank 92, and the supercharging hole 8 by the end switchers 942 to be directly connected to atmosphere 95.
  • the realization of the combined operation cycle passes off for four strokes of the crankshaft 15, eight strokes of the piston 13 and 1 revolution of the axle-movable distributive shaft 400 and of additional distributive shaft 700 in the follow order: in first four piston 13 strokes the feeding hole 7 and supercharging hole 8 are always closed by the barrage valves 77,87, in first piston 13 stroke from UDP to BDP the feeding hole is opened under influence of first feeding cam444 on the feeding valve 22 by the pressure rendered on the plug stage 24 of the rocker 23 whereupon the loading process is implemented, in the second and third piston 13 strokes the compression, combustion and expansion are implemented, in the four piston 13 stroke the exhaust hole 25 is opened under influence of first exhaust cam 448 on the exhaust valve by the pressure rendered on the plug stage 28 whereupon the cleaning process whereby the composed 4-stroke operation cycle of internal combustion engine is completed.
  • the residual waste gases remaining within the operation room 12 and enclosing it walls have relative high temperature, which renders positive effect in the next first composed operation cycle of pneumatic engine wherewith the relative heat transfer from the operation room to the atmosphere is reduced, the operation room 12 is fully cleaned from the remaining wasting and the enclosing walls temperature is lowered the second composed operation cycle of pneumatic engine, whereby a positive effect on the loading, compressing and combustion processes of the next composed operation cycle of 4-stroke internal combustion engine is rendered.
  • the three-way tap 508 to be placed in operation position for locking the central drawing wheel 62 to the central shaft 6 whereupon compressed air is passed from the heating tank 92 through channel within the transferring head 507, the transitional room 505, the channels 503 within the operation room 501 of the servo-driving micro- cylinders 500, where the micro-plungers 510,520 to the central drawing wheel 62, the locking pins 51 1 ,512 get into sliding contact to the its frontage upon concentric catenaries with central angle from 0° to 360° depending on the coincidence moment of the locking pin 511 axle on the locking-centering bed 621, and the axle of the locking pin 512 is coincided to the lock-centering bed 622 axle, whereupon the locking pins 511,512 get in the relevant lock-centering beds 621, 622, whereby they lock the central drawing wheel to the central shaft 6 in solely possible position, which provides constructive defined synchronization between the pistons 13 motion and opening of the feeding hole 21 , inlet hole 7, superchar
  • the lock of the central drawing wheel 61 to the central shaft 6 is by analogy and it is realized by feed of compressed air to the operation rooms 502 of the servo driving micro cylinders 500, preceded by connection of the operation rooms 501 to atmosphere 95 by the three-way tap 508.

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

Abstract

L'invention concerne un moteur à combustion interne à récupération d'énergie comprenant un dispositif variable à soupape. Le passage de mode moteur au mode compresseur se fait par cylindre. Le changement peut être contrôlé par une unité centrale, au moyen de plusieurs paramètres d'entrée. Les gaz ou fumées d'échappement peuvent être refroidis ou chauffés, via des échangeurs de chaleur, avant accumulation. Le fluide ainsi pressurisé peut être utilisé pour faire démarrer ou entraîner un véhicule.
PCT/BG2001/000005 2000-03-09 2001-03-09 Moteur a combustion interne a recuperation d'energie WO2001066917A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG104227A BG63882B1 (bg) 2000-03-09 2000-03-09 Акумулаторно-регенеративен двигател с вътрешно горене
BG104227 2000-03-09

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WO2001066917A1 true WO2001066917A1 (fr) 2001-09-13

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PCT/BG2001/000005 WO2001066917A1 (fr) 2000-03-09 2001-03-09 Moteur a combustion interne a recuperation d'energie

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WO (1) WO2001066917A1 (fr)

Cited By (2)

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WO2011000223A1 (fr) * 2009-06-30 2011-01-06 广州市鹏硕机电科技有限公司 Moteur pneumatique à piston
FR3004491A1 (fr) * 2013-04-11 2014-10-17 Peugeot Citroen Automobiles Sa Moteur hybride pneumatique-thermique

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BG65295B1 (bg) * 2003-01-24 2007-12-28 Георги ГЪЛЪБОВ Предавателен механизъм за регенеративно използване на предаваната чрез него механична енергия

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FR2773849A1 (fr) * 1998-01-22 1999-07-23 Guy Negre Procede et dispositif de rechauffage thermique additionnel pour vehicule equipe de moteur depollue a injection d'air comprime additionnel

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WO2011000223A1 (fr) * 2009-06-30 2011-01-06 广州市鹏硕机电科技有限公司 Moteur pneumatique à piston
US20120090456A1 (en) * 2009-06-30 2012-04-19 Cai Daode Piston-type pneumatic engine
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