CN106089977B - Engine link mechanism, variable compression ratio of engines system, engine and vehicle - Google Patents
Engine link mechanism, variable compression ratio of engines system, engine and vehicle Download PDFInfo
- Publication number
- CN106089977B CN106089977B CN201610405148.2A CN201610405148A CN106089977B CN 106089977 B CN106089977 B CN 106089977B CN 201610405148 A CN201610405148 A CN 201610405148A CN 106089977 B CN106089977 B CN 106089977B
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- Prior art keywords
- connecting rod
- engine
- hydraulic
- link mechanism
- telescopic oil
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/06—Adjustable connecting-rods
-
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
- F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
Abstract
The invention discloses a kind of engine link mechanism, variable compression ratio of engines system, engine and vehicles.The engine link mechanism includes the first connecting rod and second connecting rod being mutually arranged, the first connecting rod with crankshaft for being connected, the second connecting rod with the piston of engine for being connected, wherein, the engine link mechanism further includes hydraulically extensible part and hydraulic lock, for the hydraulically extensible part for driving the first connecting rod and the second connecting rod to axially slide relative, the hydraulic lock is used to keep the axially opposing displacement of the first connecting rod and the second connecting rod.Therefore, by driving hydraulically extensible part that can change the axial length of engine link mechanism, and the axially opposing displacement of first connecting rod and second connecting rod is kept by hydraulic lock, in this way, engine is able to maintain that constant compression ratio under specific operating condition, and then is adapted to the demand of different types of fuel in the combustion chamber of engine.
Description
Technical field
The present invention relates to technical field of vehicle, and in particular, to a kind of engine link mechanism, variable compression ratio of engines
System, engine and vehicle.
Background technique
In recent years, being gradually increased with environmental requirement, internal combustion engine industry all improve engine emission levels in research
New technology, wherein clean energy resource engine is quite favored.In existing clean energy resource, natural gas is facilitated with it and cost
Cheap advantage, is widely used.
With the dual fuel engine of diesel oil ignited natural gas, since diesel oil needs compression ignition, engine need to have compared with
High compression ratio, to guarantee the normal combustion of diesel oil, but the characteristic of natural gas does not need high compression ratio again, and this generates lances
Shield.That is, the different compression ratios of different operating conditions can not be adapted to since existing engine link normal length cannot change
Demand.
Summary of the invention
It is an object of the present invention to provide a kind of engine link mechanism, which can adapt to start
The demand of machine difference compression ratio.
It is a further object to provide a kind of variable compression ratio of engines system, the variable compression ratio of engines systems
System uses engine link mechanism provided by the invention.
A further object of the present invention is to provide a kind of engine, which uses engine variable provided by the invention
Compression ratio system.
It is also another object of the present invention to provide a kind of vehicle, which uses engine provided by the invention.
According to an aspect of the present invention, a kind of engine link mechanism is provided, including the first connecting rod that is mutually arranged and
Second connecting rod, the first connecting rod with crankshaft for being connected, and the second connecting rod with the piston of engine for being connected, wherein
The engine link mechanism further includes hydraulically extensible part and hydraulic lock, and the hydraulically extensible part is for driving described first
Connecting rod and the second connecting rod axially slide relative, and the hydraulic lock is for keeping the first connecting rod and described second to connect
The axially opposing displacement of bar.
Optionally, the hydraulically extensible part is the first telescopic oil cylinder outside the first connecting rod and second connecting rod,
The first end of first telescopic oil cylinder is fixed on the first connecting rod, and the second end of first telescopic oil cylinder is fixed to described
On second connecting rod.
Optionally, there are two the first telescopic oil cylinder tools, and two first telescopic oil cylinders are located at the hair
The opposite sides of motivation link mechanism.
Optionally, the hydraulic lock is hydraulic plug-in mechanism, in the first connecting rod and the second connecting rod
Be provided with axially spaced apart multiple locking holes in one, the hydraulic plug-in mechanism optionally through another one and
A locking hole in multiple locking hole.
Optionally, the second connecting rod is sheathed on the first connecting rod, and the hydraulic plug-in mechanism includes being fixed to
The fixed block of the opposite sides of the second connecting rod, and pass through the pair of fixed block, the first connecting rod and described second
The hydraulic pin of connecting rod.
Optionally, the engine link mechanism further includes stretching fixed to second on one of the pair of fixed block
The piston rod of contracting oil cylinder, second telescopic oil cylinder is formed as the hydraulic pin.
According to another aspect of the present invention, a kind of variable compression ratio of engines system, including hydraulic circuit and sheet are provided
The engine link mechanism provided is invented, the hydraulically extensible part and the hydraulic lock are arranged in the hydraulic circuit.
Optionally, the variable compression ratio of engines system further includes controller, and for detecting the first connecting rod
With the position sensor of the axially opposing displacement of the second connecting rod, it is provided in the hydraulic circuit described hydraulic for controlling
The hydraulic valve of extensible member and the hydraulic lock, the hydraulic valve and the position sensor are electrically connected with the controller respectively
It connects.
According to another aspect of the invention, a kind of engine is provided, wherein the engine is started using provided by the invention
Machine variable compression ratio system.
In accordance with a further aspect of the present invention, a kind of vehicle is provided, wherein the vehicle uses engine provided by the invention.
Through the above technical solutions, drive first connecting rod to be axially moveable relative to second connecting rod by hydraulically extensible part,
In such manner, it is possible to change the axial length of engine link mechanism, to change the compression ratio under each operating condition of compressor, work as engine
The length of link mechanism changes to suitable value and then keeps by hydraulic lock the axial direction of first connecting rod and second connecting rod
Relative displacement in this way, engine is able to maintain that constant compression ratio under specific operating condition, and then is adapted to the combustion of engine
Burn the demand of indoor different types of fuel.In addition, due to the pressure for adjusting engine by hydraulically extensible part and hydraulic lock
Contracting ratio, therefore enable to engine link mechanism steady and quickly realize the change of its length.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic perspective view for the engine link mechanism that one embodiment of the present invention provides；
Fig. 2 is the explosive view for the engine link mechanism that one embodiment of the present invention provides.
Description of symbols
11 first connecting rod, 110 locking hole, 12 second connecting rod
13 fixed block, 14 hydraulic pin, 20 first telescopic oil cylinder
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " inside and outside " refers to relative to corresponding
Component outline it is inner and outer for.
As depicted in figs. 1 and 2, the present invention provides a kind of engine link mechanism, including the first connecting rod 11 being mutually arranged
With second connecting rod 12, that is, be formed with slideway on one of first connecting rod 11 and second connecting rod 12, first connecting rod 11 and second connect
Be formed as slide core on the other of bar 12, slide core is sheathed in slideway and can slide along the slideway, first connecting rod 11 be used for and
Crankshaft is connected, and second connecting rod 12 with the piston of engine for being connected, wherein engine link mechanism further includes hydraulically extensible part
And hydraulic lock, hydraulically extensible part is for driving first connecting rod 11 and second connecting rod 12 to axially slide relative, hydraulic lock
For keeping the axially opposing displacement of first connecting rod 11 and second connecting rod 12.
Wherein, hydraulically extensible part can be the telescopic element well known to those skilled in the art being hydraulically operated, liquid
Pressing locking member can be any appropriate locking element being hydraulically operated, and the invention is not limited in this regard belongs to the present invention
Protection scope among.For example, hydraulically extensible part can be electric expansion part or cylinder in the mode of other substitutions.
It needs, " axial direction " mentioned in this article each means engine link machine without opposite explanation
The axial direction of structure.
First connecting rod 11 is driven to be axially moveable relative to second connecting rod 12 by hydraulically extensible part, in such manner, it is possible to change
The axial length of engine link mechanism, to change the compression ratio under each operating condition of compressor, when the length of engine link mechanism
Degree changes to suitable value and then keeps by hydraulic lock the axially opposing position of first connecting rod 11 and second connecting rod 12
It moves, in this way, engine is able to maintain that constant compression ratio under specific operating condition, and then is adapted in the combustion chamber of engine
The demand of different types of fuel.In addition, due to the compression ratio for adjusting engine by hydraulically extensible part and hydraulic lock, because
This enables to engine link mechanism steady and quickly realizes the change of its length.
First connecting rod 11 and second connecting rod 12 can be arranged on any appropriate position of engine link mechanism, for letter
Change the internal structure of engine link mechanism, that is, excellent in one kind for the internal structure for simplifying first connecting rod 11 and second connecting rod 12
It selects in embodiment, as shown in Figure 1, hydraulically extensible part is the first flexible oil outside first connecting rod 11 and second connecting rod 12
The first end of cylinder 20, first telescopic oil cylinder 20 is fixed on first connecting rod 11, and the second end of the first telescopic oil cylinder 20 is fixed to
On second connecting rod 12.In this way, can easily change the by the stretching or retraction of the piston rod of the first telescopic oil cylinder 20
The relative displacement of one connecting rod 11 and second connecting rod 12.Further, since the first telescopic oil cylinder 20 is arranged in first connecting rod 11 and second
The outside of connecting rod 12, in this way, there is no need to the structures complicated in the setting of the inside of first connecting rod 11 and second connecting rod 12, to drive
Relative motion occurs for the two, so as to simplify the internal structure of engine link mechanism.
To enable first connecting rod 11 steadily to slide relative to second connecting rod 12, the first telescopic oil cylinder 20 has two
It is a, and two the first telescopic oil cylinders 20 are located at the opposite sides of engine link mechanism.In this way, for example, working as first connecting rod
11 when being sheathed on second connecting rod 12, and two the first telescopic oil cylinders 20 can divide equally the weight of first connecting rod 11, and then steadily
Push first connecting rod 11 mobile relative to second connecting rod 12.
For convenience of the compression ratio kept under Different Work Condition of Engine, hydraulic lock is hydraulic plug-in mechanism, and first connects
Axially spaced apart multiple locking holes 110, hydraulic plug-in mechanism are provided on one of bar 11 and second connecting rod 12
Optionally through a locking hole 110 in another one and multiple locking hole 110.
That is, multiple locking holes 110 can be arranged on first connecting rod 11 or second connecting rod 12.For example, working as multiple locking holes
110 when being arranged on first connecting rod 11, at this point, second connecting rod 12 is sheathed on first connecting rod 11, when engine link mechanism tune
It is whole to after suitable length, one passed through in second connecting rod 12 and multiple locking hole 110 by hydraulic plug-in mechanism is suitable
When locking hole 110, both can by the length of the insert action quick lock in engine link mechanism of hydraulic plug-in mechanism, when
It, can be first by hydraulic plug-in mechanism from current locking hole when needing to change again the length of engine link mechanism
It is extracted out in 110, it can by the pull action Rapid reversal of hydraulic plug-in mechanism to the length of engine link mechanism
Locking.
For example, two locking holes 110 can be arranged along its axially spaced-apart on first connecting rod 11, existed with adapting to engine respectively
Demand of the two kinds of different fuels of natural gas and diesel oil to compression ratio.
Wherein, hydraulic plug-in mechanism can be any appropriate mechanism carried out by hydraulic-driven Plug Action,
In a kind of embodiment, as depicted in figs. 1 and 2, second connecting rod 12 is sheathed on first connecting rod 11, and hydraulic plug-in mechanism includes
The fixed block 13 of opposite sides fixed to second connecting rod 12, and pass through a pair of of fixed block 13, first connecting rod 11 and the second company
The hydraulic pin 14 of bar 12.In the mode of other deformations, hydraulic pin 14 can be replaced with electric telescopic rod, or use cylinder
Piston rod substitution.
For the structure of the hydraulic plug-in mechanism of simplification, in one embodiment, engine link mechanism further includes fixing
The second telescopic oil cylinder on to one of a pair of of fixed block 13, the piston rod of the second telescopic oil cylinder are formed as hydraulic pin 14.
In this way, can stretch out or retract by the piston rod (i.e. hydraulic pin 14) of the second telescopic oil cylinder, the first company can be fast implemented
The switching of the opposite lock state and opposite unlocked state of bar 11 and second connecting rod 12.Wherein, opposite lock state refers to first
Connecting rod 11 and second connecting rod 12 are fixedly linked by hydraulic pin 14, and opposite unlocked state refers to that first connecting rod 11 and second connects
The state that bar 12 can axially slide relative.
The present invention also provides a kind of variable compression ratio of engines systems, including hydraulic circuit and engine provided by the invention
Link mechanism, hydraulically extensible part and hydraulic lock are arranged in hydraulic circuit.In this way, can be by hydraulic in hydraulic circuit
Oil for hydraulically extensible part and hydraulic lock provides power source, hydraulically extensible part and hydraulic lock is stablized and efficient
Ground work.
For the lubricating oil for making full use of existing engine, simplify the overall structure of variable compression ratio system, hydraulic circuit
Hydraulic oil source be engine lubricating oil.For example, the fuel tank in hydraulic circuit can be the oil sump of engine.
For the compression ratio automation control for realizing engine, variable compression ratio of engines system further includes controller, and
For detecting the position sensor of the axially opposing displacement of first connecting rod 11 and second connecting rod 12, it is provided with and is used in hydraulic circuit
The hydraulic valve of hydraulically extensible part and hydraulic lock is controlled, hydraulic valve and position sensor are electrically connected with the controller respectively.Wherein,
Position sensor can make compression ratio needed for engine under specific operation be precisely controlled, that is, when position sensor is examined
When measuring corresponding with the target compression ratio preset value of axially opposing displacement arrival of first connecting rod 11 and second connecting rod 12, this
When, position sensor can send signal, controller be given, at this point, controller controls hydraulic valve, so that the stopping of hydraulically extensible part is stretched
Contracting movement, can be precisely controlled the stroke of hydraulically extensible part, to guarantee suitable compression ratio under engine specific operation.
Wherein, hydraulic valve can be an integrated hydraulic valve, separately to hydraulically extensible part and hydraulic locking
Part carries out the control of the flow direction of hydraulic oil, and certain hydraulic valve may be multiple, for example, hydraulic valve may include for controlling the
First three position four-way directional control valve of one telescopic oil cylinder 20, and the second 3-position 4-way commutation for controlling the second telescopic oil cylinder
Valve.
Specifically, when the first three position four-way directional control valve is in first position, the piston rod of the first telescopic oil cylinder 20 is in
Stretching state；When the first three position four-way directional control valve is in bit positions, the piston rod of the first telescopic oil cylinder 20 is in static shape
State, at this point, the piston rod of the first telescopic oil cylinder 20 can have any appropriate flexible stroke；When the first three position four-way directional control valve
When in the second position, the piston rod of the first telescopic oil cylinder 20 is in retracted mode.Similarly, when the second three position four-way directional control valve
When in first position, the piston rod of the second telescopic oil cylinder is in stretching state, i.e., it is inserted towards the direction close to locking hole 110
Enter；When the second three position four-way directional control valve is in bit positions, the piston rod of the second telescopic oil cylinder remains static, at this point,
The piston rod of second telescopic oil cylinder may remain in locking hole 110, or be detached from locking hole 110；When the second 3-position 4-way changes
When being in the second position to valve, the piston rod of the second telescopic oil cylinder is in retracted mode, i.e. its side for being directed away from locking hole 110
To movement.
Illustrate that the course of work and the work of variable compression ratio of engines system provided by the invention are former by taking Fig. 1 as an example below
Reason.When engine needs larger compression ratio, controller can control the second three position four-way directional control valve first, be at
The piston rod of the second position, the second telescopic oil cylinder is in retracted mode, until hydraulic pin 14 from locking hole 110 be detached from after,
Controller controls the second three position four-way directional control valve, bit positions is at, at this point, the second telescopic oil cylinder keeps current retraction
Amount.Then controller controls the first three position four-way directional control valve, is at first position, the piston rod of the first telescopic oil cylinder is in
Stretching state, until position sensor detects the axially opposing displacement arrival and target pressure of first connecting rod 11 and second connecting rod 12
When contracting is than corresponding preset value, controller controls the first three position four-way directional control valve and is in bit positions, at this point, the first flexible oil
Cylinder keeps current overhang.Then, controller the second three position four-way directional control valve of secondary control again, is at first position, and
The piston rod of two telescopic oil cylinders is in stretching state, until after hydraulic pin 14 is inserted into locking hole 110, controller control the two or three
Position and four-way reversing valve is at bit positions, at this point, the second telescopic oil cylinder keeps current overhang.To complete to start
The change of the compression ratio of machine.
Similarly, when engine need compared with small reduction ratio when, control principle be it is similar, details are not described herein, no
Be with place, in above process, controller control the first telescopic oil cylinder piston rod stretch out suitable length, and when need compared with
When small compression ratio, the piston rod that controller then controls the first telescopic oil cylinder retracts suitable length.
In addition, wherein engine can using engine provided by the invention the present invention also provides a kind of engine and vehicle
Ratios system, the vehicle use engine provided by the invention.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. a kind of engine link mechanism, including the first connecting rod (11) and second connecting rod (12) being mutually arranged, described first connects
Bar (11) with crankshaft for being connected, and the second connecting rod (12) with the piston of engine for being connected, which is characterized in that the hair
Motivation link mechanism further includes hydraulically extensible part and hydraulic lock, and the hydraulically extensible part is for driving the first connecting rod
(11) it is axially slid relative with the second connecting rod (12), the hydraulic lock is for keeping the first connecting rod (11) and institute
The axially opposing displacement of second connecting rod (12) is stated, the hydraulically extensible part is positioned at the first connecting rod (11) and second connecting rod
(12) first end of external the first telescopic oil cylinder (20), first telescopic oil cylinder (20) is fixed to the first connecting rod (11)
On, the second end of first telescopic oil cylinder (20) is fixed on the second connecting rod (12).
2. engine link mechanism according to claim 1, which is characterized in that first telescopic oil cylinder (20) has two
It is a, and two first telescopic oil cylinders (20) are located at the opposite sides of the engine link mechanism.
3. engine link mechanism according to claim 1, which is characterized in that the hydraulic lock is hydraulic plug-in
Mechanism is provided with axially spaced apart multiple locks on one of the first connecting rod (11) and the second connecting rod (12)
Tieholen (110), the hydraulic plug-in mechanism is optionally through a locking in another one and multiple locking hole (110)
Hole (110).
4. engine link mechanism according to claim 3, which is characterized in that the second connecting rod (12) is sheathed on described
On first connecting rod (11), the hydraulic plug-in mechanism includes the fixed block of the opposite sides fixed to the second connecting rod (12)
(13), and across a pair of fixed block (13), the hydraulic pin of the first connecting rod (11) and the second connecting rod (12)
(14)。
5. engine link mechanism according to claim 4, which is characterized in that the engine link mechanism further includes solid
Fixed the second telescopic oil cylinder arrived on one of a pair of described fixed block (13), the piston rod of second telescopic oil cylinder are formed as
The hydraulic pin (14).
6. a kind of variable compression ratio of engines system, which is characterized in that including hydraulic circuit and according to claim 1 any in -5
Engine link mechanism described in, the hydraulically extensible part and the hydraulic lock are arranged in the hydraulic circuit.
7. variable compression ratio of engines system according to claim 6, which is characterized in that the variable compression ratio of engines
System further includes controller, and the axially opposing displacement for detecting the first connecting rod (11) and the second connecting rod (12)
Position sensor, be provided in the hydraulic circuit for controlling the hydraulic of the hydraulically extensible part and the hydraulic lock
Valve, the hydraulic valve and the position sensor are electrically connected with the controller respectively.
8. a kind of engine, which is characterized in that the engine includes engine variable pressure according to claim 6 or 7
System is compared in contracting.
9. a kind of vehicle, which is characterized in that the vehicle includes engine according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405148.2A CN106089977B (en) | 2016-06-08 | 2016-06-08 | Engine link mechanism, variable compression ratio of engines system, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405148.2A CN106089977B (en) | 2016-06-08 | 2016-06-08 | Engine link mechanism, variable compression ratio of engines system, engine and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089977A CN106089977A (en) | 2016-11-09 |
| CN106089977B true CN106089977B (en) | 2018-11-20 |
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| CN201610405148.2A Active CN106089977B (en) | 2016-06-08 | 2016-06-08 | Engine link mechanism, variable compression ratio of engines system, engine and vehicle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3066791B1 (en) * | 2017-05-29 | 2019-07-26 | MCE 5 Development | VARIABLE LENGTH ROD HAVING AN INDEXING DEVICE |
| EP3674529B1 (en) * | 2017-08-25 | 2023-01-18 | IHI Corporation | Variable compression device, engine system, and piston-rod position adjustment method |
| JP7309110B2 (en) * | 2017-12-07 | 2023-07-18 | 株式会社三井E&S Du | engine system |
| DE102018104292A1 (en) * | 2018-02-26 | 2019-08-29 | Avl List Gmbh | Sensor device for a length-adjustable connecting rod |
| CN115126599B (en) * | 2022-06-15 | 2024-03-08 | 浙江吉利控股集团有限公司 | Variable compression ratio engine system, vehicle and control method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2786530B1 (en) * | 1998-11-26 | 2001-01-19 | Vianney Rabhi | MECHANICAL TRANSMISSION DEVICE FOR A VARIABLE CYLINDER MOTOR |
| AU2001277146A1 (en) * | 2000-08-02 | 2002-02-13 | Jerry I. Yadegar | Hydraulically adjustable connecting rod for internal combustion engine efficiency |
| DE10304686A1 (en) * | 2003-02-05 | 2004-08-26 | Forschungsinstitut für Kraftfahrwesen und Fahrzeugmotoren | Internal combustion engine with variable compression ratio has eccentric bush between connecting rod and piston bolt and/or crankshaft journal with essentially radially protruding adjustment piston |
| AT511803B1 (en) * | 2011-12-23 | 2013-03-15 | Avl List Gmbh | CONNECTING ROD FOR A PUSH-PISTON MACHINE |
| AT513054B1 (en) * | 2012-07-03 | 2014-09-15 | Avl List Gmbh | Length adjustable connecting rod |
| DE102013113432B4 (en) * | 2013-12-04 | 2022-02-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Reversing valve unit and internal combustion engine with such a reversing valve unit |
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Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: Beiqi Futian Automobile Co., Ltd. |