CN110360005A - Internal combustion engine and modular system for internal combustion engine - Google Patents

Internal combustion engine and modular system for internal combustion engine Download PDF

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Publication number
CN110360005A
CN110360005A CN201910284947.2A CN201910284947A CN110360005A CN 110360005 A CN110360005 A CN 110360005A CN 201910284947 A CN201910284947 A CN 201910284947A CN 110360005 A CN110360005 A CN 110360005A
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CN
China
Prior art keywords
pump
internal combustion
combustion engine
cylinder
plug
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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.)
Pending
Application number
CN201910284947.2A
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Chinese (zh)
Inventor
M.森根
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MAN Energy Solutions SE
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MAN Energy Solutions SE
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Application filed by MAN Energy Solutions SE filed Critical MAN Energy Solutions SE
Publication of CN110360005A publication Critical patent/CN110360005A/en
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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
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/20—Multi-cylinder engines with cylinders all in one line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0002—Cylinder arrangements
    • F02F7/0007—Crankcases of engines with cylinders in line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0043—Arrangements of mechanical drive elements
    • F02F7/0051—Crankcase pump engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/005—Arrangements of fuel feed-pumps with respect to fuel injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/08—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by two or more pumping elements with conjoint outlet or several pumping elements feeding one engine cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1828—Number of cylinders seven
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1832—Number of cylinders eight
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1836—Number of cylinders nine
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/184—Number of cylinders ten

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

The present invention relates to internal combustion engine and for the modular system of internal combustion engine.A kind of internal combustion engine (10) has for the fuel system (15) to cylinder (13) supply fuel；Wherein, the fuel system (15) of internal combustion engine (10) is to be carried out in such a way with modularized design, so that for each air cylinder group (14), at least one pump module (16) is attached to cylinder crankcase (11), wherein, corresponding pump module (16) includes shell (17), by the received multiple plug-in pumps (18) of shell (17), and camshaft (19), the camshaft includes at least one cam for each plug-in pump (18) to be actuated in each case, and wherein, corresponding pump module (16), the camshaft (19) of the i.e. described pump module, issuing from crankshaft (12) can drive via gear drive (21) and drive shaft (22).

Description

Internal combustion engine and modular system for internal combustion engine
Technical field
The present invention relates to internal combustion engines.In addition, the present invention relates to a kind of modular systems for internal combustion engine.
Background technique
The in particular to so-called big-block engine of present invention presented herein or large combustion engines field, the piston of cylinder Diameter is greater than 114 mm, particularly greater than 175 mm.Such large combustion engines is that such as marine diesel engine or combustion gas start Machine.
So far, large combustion engines is internal combustion engine always, is independently engineered into for specific application purpose and bright True requirement.If wanting large combustion engines newly developed, all components are usually subject to new exploitation.
So far, when large combustion engines newly developed, the existing component of already existing large combustion engines is not used Further to utilize test component as constant as possible.This is unfavorable.
Summary of the invention
Based on this, the present invention is based on the purpose for creating a kind of internal combustion engine.
The purpose is solved by internal combustion engine according to claim 1.
Internal combustion engine according to the present invention includes cylinder crankcase, and crankshaft installed is in the cylinder crankcase.
Internal combustion engine according to the present invention includes at least one air cylinder group, and air cylinder group includes multiple cylinders, wherein each cylinder Including cylinder head, which has at least one intake valve for pressurized air and at least one exhaust for exhaust gas Valve.
Internal combustion engine according to the present invention includes valve actuator, and the valve actuator is used to activate the pressurization for respective cylinder The described or each intake valve of air and for activate be used for respective cylinder exhaust gas described in or each exhaust valve.
Internal combustion engine according to the present invention includes for the fuel system to cylinder supply fuel, wherein internal combustion engine Fuel system is to be carried out in such a way with modularized design, so that at least one is pumped for each air cylinder group Module is attached to cylinder crankcase, wherein corresponding pump module include shell, by the received multiple plug-in pumps of shell and Camshaft, the camshaft respectively include at least one cam for each plug-in pump to be actuated, and wherein, corresponding to pump Module, the i.e. camshaft of pump module can drive from crankshaft via gear drive and drive shaft.
(pump module for the fuel system in this case, implemented with modularized design will be multiple for such internal combustion engine Plug-in pump receives in the shell of pump module) identical parts are implemented as using the different designs or embodiment that are directed to internal combustion engine Pump module.The newly developed of internal combustion engine is simplified using such identical parts, because obtainable and test can be utilized The component crossed.In the different embodiments in extensive range of internal combustion engine, can using as the pump module of identical parts, without New exploitation is carried out to internal combustion engine.
First pattern according to the present invention, fuel system are common rail fuel supply systems, wherein for each cylinder Group, single pump module are attached to cylinder crankcase, wherein and the plug-in pump of pump module is designed to common rail plug-in pump, and Wherein, the camshaft of pump module includes multiple cams for each common rail plug-in pump to be actuated in each case.With this Kind mode can be easy to construct the internal combustion engine with common rail fuel supply system, that is, utilize the correspondence with common rail plug-in pump Pump module.
Second pattern according to the present invention, fuel system are independent pump fuel systems, in this case, The number of the plug-in pump of each air cylinder group corresponds to the number of the cylinder of each air cylinder group, wherein more for each air cylinder group A pump module is attached to cylinder crankcase, wherein and the plug-in pump of corresponding pump module is designed to independent plug-in pump, and And wherein, the camshaft of pump module includes in each case single cam for independent plug-in pump each of to be actuated. Multiple pump modules of each air cylinder group are connected in series in such a way on driving side, so that the camshaft of the first pump module It can be driven from crankshaft via gear drive and drive shaft, and the camshaft of each other pump module is being subjected to first It can be driven in the case where the intermediate connection of pump module from crankshaft via gear drive and drive shaft.In this way, energy Enough it is easy to construct the internal combustion engine with independent pump fuel system, i.e., using being implemented as identical parts and using independent Plug-in pump correspondence pump module.
The modular system of the valve actuator according to the present invention for internal combustion engine is defined in claims 9.
Utilize modular system according to the present invention, it is possible to number independently of the cylinder of internal combustion engine and independently of interior The fuel type of combustion engine utilizes identical parts.When diesel oil especially when combustion in IC engine as fuel, corresponding fuel supply System is configured with pump module.In contrast, it when gas engine to be formed, can be constructed simply by omitting pump module Corresponding gas engine.Therefore, stock engine can be utilized in a manner of specific to application in last assembling steps Carry out practical range widely different internal combustion engines.Fuel system with pump module is to engine basic framework, that is, to cylinder Crankcase, cylinder head and valve actuator, do not influence.Using modular system, can not only construct diesel engine can also structure Gas internal-combustion engine is made without keeping the size of components of gas internal-combustion engine excessive, especially gear drive, bearing, axis and shell.
Detailed description of the invention
From dependent claims and it is described below and middle obtains preferred further improvement of the invention.It is more detailed by attached drawing Exemplary embodiment of the present invention is explained on ground, and but it is not limited to this.It shows:
Fig. 1: the schematic side elevation of the air cylinder group of the first internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 2: the schematic side elevation of the air cylinder group of the second internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 3: the schematic side elevation of the air cylinder group of the third internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 4: the schematic side elevation of the air cylinder group of the 4th internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 5: the schematic side elevation of the air cylinder group of the 5th internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 6: the schematic side elevation of the air cylinder group of the 6th internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 7: the schematic side elevation of the air cylinder group of the 7th internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 8: the schematic side elevation of the air cylinder group of the 8th internal combustion engine according to the present invention with common rail fuel supply system；
Fig. 9: the schematic side elevation of the air cylinder group of the 9th internal combustion engine according to the present invention with common rail fuel supply system；
Figure 10: the schematic side elevation of the air cylinder group of the tenth internal combustion engine according to the present invention with common rail fuel supply system；
Figure 11: the first details of internal combustion engine according to the present invention；
Figure 12: the second details of internal combustion engine according to the present invention.
Specific embodiment
Present invention presented herein is related to a kind of internal combustion engine with modular form, in this case, independently of internal combustion The specific embodiment of machine, can be constant in modular system or utilizes a large amount of components in the sense that having minimum adjustment.In addition, this Invention is related to a kind of modular system for such internal combustion engine.
Fig. 1 to Fig. 5 shows the different internal combustion engines with common rail fuel supply system.It is each interior shown in Fig. 1 to Fig. 5 Combustion engine 10 includes cylinder crankcase 11, and crankshaft 12 is mounted in the cylinder crankcase.In crankshaft 12, only show in a schematic way Longitudinal center axis out.So-called clutch side 11a and so-called clutch opposite side 11b of the crankshaft 12 in cylinder crankcase 11 Between extend.
Internal combustion engine 10 respectively includes multiple cylinders 13, wherein in each case, 13 shape of multiple cylinders of provided in-line At air cylinder group 14.In cylinder 13, the axis of cylinder-bore is only shown in a schematic way, the cylinder-bore receives respective cylinder 13 Piston.
Unshowned cylinder head and each cylinder 13 interact, the cylinder head include for pressurized air at least one Intake valve and at least one exhaust valve for exhaust gas.Especially when internal combustion engine is implemented as diesel engine or dual fuel engine When, other than for the intake valve of pressurized air and for the exhaust valve of exhaust gas, corresponding cylinder head is also provided for fuel Or the injector of point kerosene.
Internal combustion engine 1 to 5 the difference is that the cylinder 13 of their corresponding air cylinder group 14 number.In Fig. 1, institute The air cylinder group 14 shown includes six cylinders 13.In Fig. 2, air cylinder group 14 includes seven cylinders 13.In Fig. 3, Fig. 4 and Fig. 5, show The air cylinder group 14 of the internal combustion engine with eight, nine or ten cylinders 13 is gone out.
Each internal combustion engine 10 shown in Fig. 1 to Fig. 5 further includes valve actuator (not shown), and the valve actuator is for causing It employs described in the pressurized air of respective cylinder 13 or each intake valve and for activating the exhaust gas for being used for respective cylinder 13 The described or each exhaust valve.Here the embodiment for the such valve actuator familiar to those skilled in the art called.As As explanation, the internal combustion engine 10 of Fig. 1 to Fig. 5 is embodied as common rail internal combustion engine including is designed to common rail fuel supply system Fuel system 15.
The fuel system 15 of internal combustion engine 10 according to the present invention with modularized design according to the present invention implementation, i.e., with Such mode is implemented, so that at least one pump module 16 of fuel system 15 is respectively attached for each air cylinder group 14 To cylinder crankcase 11, wherein corresponding pump module 16 include shell 17, by the received multiple plug-in pumps 18 of shell 17, with And camshaft 19(is shown in Figure 11).For corresponding plug-in pump 18 to be actuated, camshaft 19 respectively includes at least one cam 20, wherein the camshaft 19 of corresponding pump module 16 is from crankshaft 12s, that is, sees Figure 12 via gear drive 21() it and drives Moving axis 22(is shown in Fig. 1 to Figure 10), it can drive.
In the case where internal combustion engine shown in Fig. 1 to Fig. 5 with common rail fuel supply system, corresponding pump module 16 Common rail plug-in pump 18 deliver fuel into accumulator, to be fed to respective cylinder 13 from the fuel of accumulator Fuel injector.
In the case where the common rail internal combustion engine of Fig. 1 to Fig. 5, for each air cylinder group 14, the single respectively attachment of pump module 16 To cylinder crankcase 11, wherein as already explained, the plug-in pump 18 of pump module 16 is implemented as common rail plug-in Pump.Then, for each plug-in pump 18 to be actuated, the camshaft 19 of corresponding pump module 16 includes multiple cams 20, excellent It first, is three cams 20 for each common rail plug-in pump 18 to be actuated.
Especially when as shown in Figures 1 and 2, air cylinder group 14 includes six cylinder (see figure 1)s or seven cylinder (see figure 2)s When, the corresponding pump module 16 of air cylinder group 14 receives three common rail plug-in pumps 18.In contrast, especially when air cylinder group includes eight When a cylinder (see figure 3), nine cylinder (see figure 4)s or ten cylinder (see figure 5)s, the pump module 16 of corresponding air cylinder group 14 is received Four common rail plug-in pumps 18.
As already explained above, corresponding pump module 16 is driven from crankshaft 12s.For tool, there are two gas The internal combustion engine of the V-shaped design of cylinder group, Figure 12 show gear train 21, can be driven by means of the gear train from crankshaft 12s Move the corresponding pump module 16 of corresponding air cylinder group 14.Crankshaft 12 carries crankshaft toothed wheel 23, the crankshaft toothed wheel and stepped gear 24 The first ladder 24 engagement.Second ladder 24b of stepped gear 24 is engaged with driving gear 25, which is connected to accordingly Drive shaft 22.The revolving speed of drive shaft 22 has the rotating ratio of the revolving speed relative to crankshaft 12, and the revolving speed of crankshaft 12 is by ladder tooth Wheel 24 determines.Drive shaft 22 is connected to the camshaft 19 of corresponding pump module 16 via flanged joint 26.
Fig. 6 to Figure 10 shows the embodiment of internal combustion engine according to the present invention, the fuel system 15 of the internal combustion engine It is not implemented as common rail fuel supply system and is implemented as independent pump fuel system.It is fired in such independent pump Expect in supply system, the number of the independent pump 18 of fuel system corresponds to the number of cylinder 13.In Fig. 6 to Figure 10 In combustion engine 10, setting: for each air cylinder group 14, multiple pump modules 16 are provided, wherein each pump module 16 then includes shell 17, which receives the multiple plug-in pumps 18 for being designed to independent plug-in pump.In addition, each pump module 16 includes cam Axis 19, wherein for independent plug-in pump 18 each of to be actuated, the camshaft 19 of corresponding pump module 16 includes single convex Wheel 20.
Especially when air cylinder group 14 as shown in Figure 6 includes six cylinders 13, two pump module 16(respectively haves that there are three only Vertical plug-in pump 18) it is mounted in cylinder crankcase 11.Especially when air cylinder group 14 as shown in Figure 7 includes seven cylinders 13 When, two pump modules 13 are then mounted in the cylinder crankcase 11 of corresponding air cylinder group 14, i.e., a pump module 16 has four A independent plug-in pump 18 and there are three independent plug-in pumps 18 for pump module 16 tool.In the pattern of Fig. 8, wherein Air cylinder group 14 includes eight cylinders 13, and two pump modules 16 are similarly installed in the cylinder crankcase 11 of corresponding air cylinder group 14, I.e. there are four independent plug-in pumps 18 for each tool.In the pattern of Fig. 9 and 10 for being respectively provided with nine and ten cylinders 13, Three pump modules 16 are respectively mounted in the cylinder crankcase 11 of corresponding air cylinder group 14, i.e., in Fig. 9 with nine cylinders 13 In, respectively there are three independent plug-in pumps 18 for tool for three pump modules 16, and in the pattern of Figure 10 with ten cylinders, Two pump modules 16 respectively tool there are three independent plug-in pump 18 and a tool of pump module 16 there are four independent plug-ins Pump 18.
Especially when multiple pump modules in the exemplary embodiment of Fig. 6 to Figure 10 for providing independent pump fuel system 16 when being mounted in the cylinder crankcase 11 of corresponding air cylinder group 14, and pump module 16 is connected in series on driving side.Pump module 16 In first, that is, with clutch side 11a and therefore with gear drive 21 at a distance of specific one pump mould of the shortest distance Block, mode described above can drive via gear drive 21 and drive shaft 22.It is obtained with the clutch side interval 11a farther Other pump module 16 camshaft 19 it is same in the case where being subjected to the intermediate connection of already mentioned first pump module 16 It can be driven from crankshaft 12s via gear drive 21 and drive shaft 22, wherein drive shaft 22 then not only pumps mould first Extend between the camshaft 19 and gear drive 21 of block 16, and extends between the camshaft 19 of adjacent pump module 16.
In addition, the present invention relates to a kind of modular system, by means of the modular system, can construct internal combustion engine without New design is carried out to the component of internal combustion engine, that is, adds and only implements so-called in last assembling steps specific to application Stock engine.
Therefore, modular system includes multiple cylinder crankcases, that is, depends on the internal combustion of V-shaped design or in-line arrangement design The cylinder of the specific design of machine, the cylinder crankcase with an air cylinder group 14 or two air cylinder groups 14 and each air cylinder group 14 13 restricted number, i.e., there are six each tools of air cylinder group 14 or seven or eight or nine or ten cylinders 13.
In addition, modular system includes the cylinder head for internal combustion engine, wherein each cylinder head for respective cylinder exists It in each case include at least one intake valve for pressurized air and at least one exhaust valve for exhaust gas.Optionally, Cylinder head can also include fuel injector.
Moreover, modular system further includes the valve actuator for internal combustion engine.Corresponding valve actuator is used for for activating At least one intake valve of the pressurized air of respective cylinder and for activate be used for respective cylinder exhaust gas at least one row Air valve.
In addition, modular system further includes pump module 16 as described above, the pump module can be implemented with The pump module 16 of common rail plug-in pump or pump module 16 with independent plug-in pump.It is that will be configured with altogether depending on internal combustion engine Rail fuel system is still configured with independent pump fuel system, selects corresponding pump module 16 and is installed in internal combustion In the cylinder crankcase 11 of the corresponding air cylinder group 14 of machine 10.
Additionally, the number of the cylinder 13 of each air cylinder group 14 is additionally depended on to the selection of described or each pump module 16.
In addition, modular system includes gear drive 21 as described above and drive shaft 22, to go out from crankshaft 12 Send the pump module 16 of driving fuel system 15.
It, can be in the first pump module 16 in the internal combustion engine 10 of Fig. 6 to Figure 10 with independent pump fuel system Camshaft 19 and drive shaft 22 between flanged joint 26 region in use phase regulator, enter gas to change fuel The injection timing of cylinder 13.This does not influence the timing of gas exchange valve.In Fig. 1 to Fig. 5 with common rail fuel supply system Internal combustion engine 10 in, realize that fuel enters the change of the injection timing of cylinder via the activation of fuel injector.
Using the invention it is possible to number independently of the cylinder of internal combustion engine and come independently of the fuel type of internal combustion engine Utilize equivalent part.When diesel oil especially when combustion in IC engine as fuel, fuel system is configured with pump module.When wanting When construction gas engine, gas engine can be constructed by omitting pump module.It can be in last assembling steps Specific to application mode using stock engine come the extensive internal combustion engine of practical range.Fuel system with pump module To engine basic framework, that is, to cylinder crankcase, cylinder head and valve actuator, do not influence.Diesel engine can be constructed There are also both gas internal-combustion engines, without keeping size of components excessive.For pump module 16 drive shaft and camshaft only especially when Actually just exist when necessary.The interface of pump module 16 and abutment elements is unified.
Reference signs list
10 internal combustion engines
11 cylinder crankcases
11a clutch side
11b clutch opposite side
12 crankshafts
13 cylinders
14 air cylinder groups
15 fuel systems
16 pump modules
17 shells
18 plug-in pumps
19 camshafts
20 cams
21 gear drives
22 drive shafts
23 crankshaft toothed wheels
24 stepped gears
The first ladder of 24a
The second ladder of 24b
25 driving gears
26 flanged joints.

Claims (10)

1. a kind of internal combustion engine (10), with cylinder crankcase (11), crankshaft (12) is mounted in the cylinder crankcase；
With at least one air cylinder group (14), the air cylinder group includes multiple cylinders (13), wherein each cylinder (13) includes gas Cylinder cap, the cylinder head have at least one exhaust valve at least one intake valve of pressurized air and for exhaust gas；
With valve actuator, the valve actuator is used to activate the described or every of the pressurized air for the respective cylinder (13) A intake valve and the described or each exhaust valve for being used to activate the exhaust gas for the respective cylinder (13)；
With for the fuel system (15) to the cylinder (13) supply fuel；
Wherein, the fuel system (15) of the internal combustion engine (10) is in such a way with modularized design by reality It applies, so that at least one pump module (16) is attached to the cylinder crankcase (11), wherein phase for each air cylinder group (14) The pump module (16) answered includes shell (17), by the received multiple plug-in pumps (18) of the shell (17) and camshaft (19), the camshaft respectively includes at least one cam (20) for each plug-in pump (18) to be actuated, and wherein, Corresponding pump module (16), i.e., the camshaft (19) of the described pump module, from the crankshaft, (12)s are via gear Actuator (21) and drive shaft (22) can drive.
2. internal combustion engine according to claim 1, it is characterised in that: the fuel system (15) is common rail fuel supply System；For each air cylinder group (14), single pump module (16) is attached to the cylinder crankcase (11)；The pump module (16) The plug-in pump (18) be designed to common rail plug-in pump, and the camshaft (19) of the pump module (16) for Each plug-in pump (18) to be actuated includes multiple cams (20) in each case.
3. internal combustion engine according to claim 2, it is characterised in that: the air cylinder group (14) includes six or seven cylinders (13)；And the pump module (16) of the air cylinder group (14) receives three common rail plug-in pumps (18).
4. internal combustion engine according to claim 2, it is characterised in that: the air cylinder group (14) includes eight, nine or ten Cylinder (13)；And the pump module (16) of the air cylinder group (14) receives four common rail plug-in pumps (18).
5. internal combustion engine according to claim 1, it is characterised in that: the fuel system (15) is independent pump fuel Supply system, in this case, the number of the plug-in pump (18) of each air cylinder group (14) correspond to each air cylinder group (14) number of the cylinder (13)；For each air cylinder group (14), multiple pump modules (16) are attached to the cylinder crankshaft Case (11)；The plug-in pump (18) of corresponding pump module (16) is designed to independent plug-in pump；And the pump mould The camshaft (19) of block (16) includes single for independent plug-in pump (18) each of to be actuated in each case Cam (20).
6. internal combustion engine according to claim 5, it is characterised in that: the air cylinder group (14) includes six or seven or eight Cylinder (13)；Two pump modules (16) of each air cylinder group (14) are mounted on the cylinder crankcase (11), that is, have six In the air cylinder group of a cylinder, respectively there are three independent plug-in pumps for tool for two pump modules (16), in the gas with eight cylinders In cylinder group, respectively there are four independent plug-in pumps for tool for two pump modules (16), or in the air cylinder group with seven cylinders, One pump module (16) tool there are three independent plug-in pump and pump module (16) tool there are four independent plug-in pumps.
7. internal combustion engine according to claim 5, it is characterised in that: the air cylinder group (14) includes nine or ten cylinders (13)；Three pump modules (16) of each air cylinder group (14) are mounted on the cylinder crankcase (11), that is, have nine gas In the air cylinder group of cylinder, respectively there are three independent plug-in pumps for tool for three pump modules (16), or in the gas with ten cylinders In cylinder group, two pump modules (16) respectively tool there are three independent plug-in pump and pump module (16) tool there are four independent Plug-in pump.
8. internal combustion engine according to any one of claims 5 to 7, it is characterised in that: each air cylinder group (14) it is described more A pump module (16) is connected in series in such a way on the driving side, so that the camshaft of the first pump module (19) from the crankshaft, (12)s can drive via the gear drive (21) and the drive shaft (22)；And it is each another The camshaft (19) of outer pump module (6) is in the case where being subjected to the intermediate connection of first pump module (16) from described Crankshaft (12) sets out can drive via the gear drive (21) and the drive shaft (22).
9. one kind is used for the modular system of internal combustion engine (10), the internal combustion engine: having the cylinder crankshaft for internal combustion engine (10) Case (11), wherein corresponding cylinder crankcase include tool there are six or seven or eight or nine or ten cylinders (13) extremely A few air cylinder group (14), wherein in corresponding cylinder crankcase, crankshaft (12) is guided；With for internal combustion engine (10) cylinder head, wherein the corresponding cylinder head of respective cylinder (13) includes at least one intake valve for pressurized air With at least one exhaust valve for exhaust gas；
With the valve actuator for being used for internal combustion engine (10), wherein corresponding valve actuator is used for the respective cylinder for activating (13) at least one described intake valve of pressurized air and the institute for being used to activate the exhaust gas for the respective cylinder (13) State at least one exhaust valve；
With the pump mould for the fuel system (15) to the cylinder (13) of corresponding internal combustion engine (10) supply fuel Block (16)；
Wherein, each pump module (16) include shell (17), by the received multiple plug-in pumps (18) of the shell (17) and Camshaft (12), the camshaft include at least one cam (20) for each plug-in pump (18) to be actuated, and its In, corresponding pump module (16), i.e., the camshaft (12) of the described pump module, from the crankshaft, (12)s drove via gear Moving part (21) and drive shaft (22) can drive.
10. modular system according to claim 9, it is characterised in that including according to any one of claim 2 to 8 or The multinomial property feature.
CN201910284947.2A 2018-04-10 2019-04-10 Internal combustion engine and modular system for internal combustion engine Pending CN110360005A (en)

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FI20195285A1 (en) 2019-10-11
DE102018108443A1 (en) 2019-10-10

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