CN104619998B - Target device for the displacement measurement of the sensing of main piston - Google Patents
Target device for the displacement measurement of the sensing of main piston Download PDFInfo
- Publication number
- CN104619998B CN104619998B CN201380047155.4A CN201380047155A CN104619998B CN 104619998 B CN104619998 B CN 104619998B CN 201380047155 A CN201380047155 A CN 201380047155A CN 104619998 B CN104619998 B CN 104619998B
- Authority
- CN
- China
- Prior art keywords
- target device
- main piston
- active cylinder
- motor vehicles
- piston
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/088—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members being distinctly separate from the axis of rotation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/18—Sensors; Details or arrangements thereof
Abstract
The present invention relates to a kind of target device (1) of the displacement measurement of the sensing for main piston (2), otch (3) is constituted and has been made up of metal material to wherein described target device (1) sleeve shaped, and be designed to be fixed under tension on piston body (2).The unusual short structure of active cylinder system can be implemented by means of the target device herein proposed while realizing large-scale production in the case where being expended without additional regulation.
Description
Technical field
The present invention relates to a kind of target device of displacement measurement of the sensing for main piston and a kind of main piston and one
Plant the active cylinder of hydraulic pressure.
Background technology
So far in the prior art using displacement measurement, the solid aluminium target for the sensing for realizing active cylinder
Body.The shortcoming of such aluminium objective body is that they are especially to construct space-intensive in the axial direction, because such aluminium objective body
The top of the primary pressure room of active cylinder can be only arranged on.Active cylinder with second pressure room and primary pressure room this two
There is different diameters in individual balancing gate pit.Aluminium objective body is used for seal clearance so that only can be in the secondary with less diameter
Moved in balancing gate pit.In such setting, active cylinder is very long.In addition appropriate fixing device is needed, so as to
Gap as small as possible is produced between the inwall of aluminium objective body and second pressure room.For tolerance balancing, in the prior art
Crush rib is provided, the crush rib is compacted.On the whole with the appropriate signal intensity or signal quality for displacement measurement
For necessary aluminum be in a ratio of this and need more aluminums.Most preferably aluminium objective body can not be entered by crush rib
Row centering.
The content of the invention
The present invention is based on following purpose on this basis：Known shortcoming from the prior art is overcome at least in part.
The present invention relates to a kind of target device of the displacement measurement of the sensing for main piston, wherein the target device set
Otch is constituted to tubular and has been made up of metal material and is designed to fix under tension on the piston body.
Target device is the object with the axial length limited, and main piston can be inductively measured via the object
Position.This target device is at least fixed on main piston in the axial direction.This target device proposed be sleeve shaped and
And composition has otch.The target device of such sleeve shaped can be moved via main piston, and by deploying under tension and
It is fixed on main piston.Advantageously, target device is made up of metal material, especially aluminium herein.Such target device energy
It is enough to thinly form very much, and additional function, such as mechanical stability need not be met or produced between main piston and cylinder
Small air gap.Meanwhile, target device can be thinly formed so just so that realize enough signal intensities or signal matter
Amount.In addition the target device only must be designed for applying its tension force.
According to another advantageous embodiment of the target device, target device, which has, to be used on the piston body axially
The groove of positioning, and preferably the groove is arranged on the both sides of otch.
Such groove is corresponding with the protrusion on main piston so that target device can be installed simply, that is, leads to
Cross and simply push open target device until groove is stuck on the protrusion of main piston.In order to keep making as small as possible when pushing open
The mechanical load on target device is used, preferably groove is arranged on the both sides of otch so that protrusion is during pushing open in main work
Only widen otch beyond the Great Wall, and do not applied force to along radial direction on the target device of sleeve shaped and the target device does not have
Possible deformation.The setting of such groove for example together with the protrusion on main piston, is realized very accurate, reliable
Target device is arranged on main piston by ground so that produce in batches and even large-scale production is possible, wherein accordingly
The target device of installation need not be adjusted with displacement measurement sensing technology.More precisely, standard adjustment can be used, because mesh
The axial location of marking device can be carried out adequately accurately by the cooperation simply pushed open due to groove and protrusion.
In another advantageous embodiment, target device has first end and the second end, and wherein first end design is used
It is used for the stopper section of dynamic axial seal ring in being formed.
As described by hereinbefore, main piston has two dynamic axial seal rings, the axial seal ring
Realize the axial seal of the main piston of motion.Preferably, an axial seal ring is enduringly arranged in primary pressure room, and
And second axial seal ring expose in a state in primary pressure room and be located at second pressure in another state
In room.In order to which the position for axially fixing at least one axial seal ring can use target device.Preferably, first end is herein
With corresponding molding surface, dynamic axial seal ring can be abutted in the first end, and particularly preferably described the
One end is by die casting.Thus sensitive axial seal ring does not sustain damage.
According to another advantageous embodiment, target device is made up of sheet material.
When above-mentioned target device must be manufactured by solid material, for the target device of sleeve shaped it is possible that by
Favourable sheet material is made, preferred punching press target device.But be suitable for cutting from sheet material at this restriction shape it is other
Production method be also feasible.But in punching press advantageously, while carrying out the processing to the arris of target device.Target
At least one end of equipment for example can be by die casting.
A kind of main piston of the active cylinder for hydraulic pressure is proposed according to another aspect of the present invention, and the main piston has
At least one piston body, target device, the first dynamic axial seal ring and the second dynamic axial seal ring.
The main piston of such active cylinder for hydraulic pressure, as proposed in this in such manner, it is possible to be made especially shortly, and
And allow point-device displacement measurement simultaneously in the case of simple regulation.Herein propose a kind of piston body, the piston body
Undertake the mechanical function of main piston.Two dynamic axial seal rings, the axial seal are set for the motion of main piston
Ring is sealed to the gap between piston body and active cylinder and especially makes primary pressure room and the second pressure of active cylinder
Room is separated from each other in the axial direction.Here, according to the position of main piston, the first dynamic axial seal ring or the second dynamic axle
Sealed to sealing ring.Not only the first dynamic axial seal ring but also the second dynamic axial seal ring can be configured to axle
To sealing ring, the axial seal ring can in the axial direction be positioned via target device.
According to another aspect of the present invention, a kind of active cylinder of the hydraulic pressure of clutch for hydraulic operation, institute are proposed
Stating active cylinder has according to the main piston of foregoing description, the pressure cylinder with primary pressure room and the position for determining main piston
Induction coil.
The active cylinder of hydraulic pressure is for example designed to hydraulically operated clutch.This is hydraulically engaged or divided via active cylinder
From slave cylinder.In the active cylinder of hydraulic pressure, pressure cylinder surrounds the main piston according to foregoing description.Such pressure cylinder has primary
Balancing gate pit and second pressure room, wherein target device can be arranged in primary pressure room.In order to determine main piston in pressure cylinder
In position be provided with induction coil, the induction coil is preferably provided at the outside of pressure cylinder.Thus target device is in the line of induction
Moved in the induction field of circle.The active cylinder of such hydraulic pressure can be constituted while providing the position to main piston very shortly
Point-device measurement.
According to another advantageous embodiment of the active cylinder of hydraulic pressure, target device be arranged in primary pressure room and
Separatedly set with the inwall of primary pressure room.
Because target device be not provided be used for seal, and pressure cylinder primary pressure room relative to second pressure room in footpath
Widen upwards, so the target device and the target device of prior art differently can be also arranged in primary pressure room.
The sealing for causing the inwall relative to primary pressure room by target device is unnecessary in this configuration.More properly
Say, target device can be matched with the size of second pressure room in terms of its radial expansion, that is to say, that with primary pressure room
The diameter of inwall is compared and may be significantly smaller.Meanwhile, very thin target device can around piston body due to mechanical reason or
Reasons in structure and necessary diameter are set, and need not be supplemented in the axial direction.
According to another aspect of the present invention, a kind of motor vehicles are proposed, the motor vehicles have with driven shaft
Driver element, PWTN and the clutch for making driven shaft and PWTN separatably be connected, wherein it is described from
Clutch includes the active cylinder of hydraulic pressure as the described herein.
In the motor vehicle, it is very small that what is provided, which is used for the construction space of clutch arrangement,.In fact, conventional structure
Space is made not increase while significantly improving power waiting for transmission.Therefore, bigger engaging force and separation must equally be produced
Power, the active cylinder for thus needing performance more remarkable.By using the active cylinder according to foregoing description, equal-wattage can be used
Smaller active cylinder or the active cylinder with more powerful formed objects.
According to another advantageous embodiment of the motor vehicles, the driver element in motor vehicles is arranged on driving
Set in front of room and transverse to the longitudinal axis of motor vehicles.
Nowadays most of motor vehicles have Das Vorderradfahrwerkmit Vorderradantrieb so as to which driver element, such as internal combustion engine or motor are preferably set
Put in front of driver's cabin and set transverse to main travel direction.It is precisely especially small that space, which is constructed, in the case of such set
So as to it is particularly advantageous that using the clutch of smaller physical dimension.
In the car of the compact car rank according to Europe classification, special case sharpening is constructed.In compact car rank
Unit used in car is not obviously reduced relative to the car of larger vehicle rank.However carried in compact car
The construction space of confession may be significantly smaller.Meanwhile, manufacture compact car significantly morely compared with all other vehicle.Hereinbefore
Described active cylinder is especially suitable in the small clutch of physical dimension, because thus except the size of reduction, with low
Regulation expend simplification large-scale production it is equally possible.Car is on vehicle rank according to such as size, price, again
Amount, power are classified, wherein this be defined to be determined according to being continually changing of needing of market.In American market, according to Europe
The compact car of continent classification and the vehicle of minicar rank correspond to the rank of time compact sedan (Subcompact Car), and
Its in English market corresponds to microminiature rank such as city car rank.The example of minicar rank is Volkswagen FOX and thunder
Promise Twingo.The example of compact car rank is Alpha Luo Mi Europe Mito, Volkswagen Polo, Ford Fiesta or Reynolds
Clio。
In the claims the single feature listed can with it is arbitrary, technically significant mode be combined with each other and
It can be supplemented by the details in the illustrative fact of case and accompanying drawing in description, wherein illustrating other implementations of the present invention
Scheme variations.
Brief description of the drawings
The present invention and technical field are hereinafter elaborated with reference to the accompanying drawings.Accompanying drawing shows especially preferred embodiment,
But the present invention is not limited to the embodiment.Especially, it should be noted that：Accompanying drawing and especially shown magnitude relationship are only signals
Property.Accompanying drawing is shown：
Fig. 1 shows the target device in active cylinder in section；
Fig. 2 shows have reeded target device；And
Fig. 3 shows the motor vehicles with clutch.
Embodiment
Figure 1 illustrates target device 1, the target device is applied on piston body 4.Piston body 4 is located at interior
In the active cylinder 10 of wall 16.Active cylinder 10 has primary pressure room 13 and second pressure room 14.Piston body 4 drives via actuator 24
It is dynamic.In order to seal, provided with the first axial axial seal ring 11 of sealing ring 9 and second, wherein the first axial sealing ring 9 is pressed in primary
Sealed in power room and the second axial seal ring 11 is carried out in second pressure room in the state moved right according to figure
Sealing.Target device 1 is designed to so that it can be equally incorporated into second pressure room 14.Target device 1 has the He of first end 6
Second end 7, wherein first end 6 form the stopper section 8 for the first axial sealing ring 9 herein.Piston body 4 or target device
Position recorded via induction coil 15.
Figure 2 illustrates target device 1, the target device is applied on piston body 4.It can see in this view herein
To the otch 3 of target device 1, the otch is provided with the groove 5 of both sides so that target device 1 via piston body 4 protrusion 25
Axially position.
Figure 3 illustrates motor vehicles 17, the motor vehicles have a driver element 18, the driver element in this as
Internal combustion engine is shown.Driver element 18 is via its driven shaft 19 by means of clutch 12 and the pure PWTN 20 schematically shown
Connection.In the motor vehicles 17, driver element 18 by its engine axis 23 transverse to motor vehicles 17 longitudinal axis 22
And positioned at the front of driver's cabin 21.
It can implement the very short structure of active cylinder system while in nothing by means of the target device herein proposed
Additional regulation realizes large-scale production in the case of expending.
Reference numerals list
1 target device
2 main pistons
3 otch
4 piston bodies
5 grooves
6 first ends
7 second ends
8 stopper sections
9 first axial sealing rings
10 active cylinders
11 second axial seal rings
12 clutches
13 primary pressure rooms
14 second pressure rooms
15 induction coils
16 inwalls
17 motor vehicles
18 driver elements
19 driven shafts
20 PWTNs
21 driver's cabins
22 longitudinal axis
23 engine axis
24 actuators
25 protrusions
Claims (10)
1. target device (1) of the one kind for the displacement measurement of the sensing of main piston (2), wherein the target device (1) sleeve
Constitute to shape otch (3) and be made up of metal material, and be designed to be fixed under tension on piston body (4), wherein
The target device (1) has the groove (5) for being used for the axially position on piston body (4).
2. target device (1) according to claim 1, wherein the target device (1) has first end (6) and the second end
(7), wherein the first end (6) is designed for forming the stopper section (8) for dynamic axial seal ring (9).
3. target device (1) according to claim 1 or 2, wherein the target device (1) is by plate stamping.
4. target device (1) according to claim 1, wherein the groove (5) is arranged on the both sides of the otch (3).
5. a kind of main piston (2) of active cylinder (10) for hydraulic pressure, the main piston has at least one piston body (4), root
According to the target device (1) any one of the claims, the first dynamic axial seal ring (9) and the second dynamic axle
To sealing ring (11).
6. main piston (2) according to claim 5, wherein the first dynamic axial seal ring (9) can be by means of
Target device (1) axial restraint.
7. a kind of active cylinder (10) of the hydraulic pressure of clutch (12) for hydraulic operation, the active cylinder has will according to right
Ask the main piston (2) described in 5 or 6, the pressure cylinder (13) with primary pressure room (14), for determining the main piston (2)
The induction coil (15) of position.
8. the active cylinder (10) of hydraulic pressure according to claim 7, wherein the target device (1) is arranged on the primary pressure
Separatedly set in power room (14) and with the inwall (16) of the primary pressure room (14).
9. a kind of motor vehicles (17), the motor vehicles have：Driver element (18) with driven shaft (19)；Power transmission
It is (20)；With the clutch (12) for making the driven shaft (19) and the PWTN (20) be connected with departing from, its
Described in clutch (12) include the active cylinder (10) of hydraulic pressure according to claim 7 or 8.
10. motor vehicles (17) according to claim 9, wherein the driver element in the motor vehicles (17)
(18) longitudinal axis (22) in front of driver's cabin (21) and transverse to the motor vehicles (17) is arranged on to set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012216701.3 | 2012-09-19 | ||
| DE102012216701 | 2012-09-19 | ||
| PCT/DE2013/200142 WO2014044269A2 (en) | 2012-09-19 | 2013-08-28 | Target device for inductive displacement measurement of a master piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104619998A CN104619998A (en) | 2015-05-13 |
| CN104619998B true CN104619998B (en) | 2017-07-14 |
Family
ID=49182029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380047155.4A Expired - Fee Related CN104619998B (en) | 2012-09-19 | 2013-08-28 | Target device for the displacement measurement of the sensing of main piston |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104619998B (en) |
| DE (2) | DE112013004550A5 (en) |
| IN (1) | IN2015DN01453A (en) |
| WO (1) | WO2014044269A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015144159A1 (en) * | 2014-03-24 | 2015-10-01 | Schaeffler Technologies AG & Co. KG | Master cylinder for a hydraulic system |
| DE102014211430A1 (en) * | 2014-06-16 | 2015-12-17 | Schaeffler Technologies AG & Co. KG | Master cylinder for a clutch release system |
| CN105465099B (en) * | 2015-12-21 | 2017-05-31 | 陈陆曦 | A kind of method for improving the sensing integrated hydraulic cylinder displacement detection precision of start |
| CN111678562B (en) * | 2019-03-11 | 2024-02-27 | 舍弗勒技术股份两合公司 | Thermal management module for vehicle and flow measurement method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2814392C2 (en) * | 1977-04-13 | 1983-10-27 | Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien | Surface magnetization device |
| DE2824943C2 (en) * | 1978-06-07 | 1986-07-31 | Armaturenfabrik Hermann Voss GmbH + Co, 5272 Wipperfürth | Connection device for brake lines |
| US5616035A (en) * | 1993-03-31 | 1997-04-01 | Berg Technology, Inc. | Electrical connector |
| JP3465201B2 (en) * | 1994-11-02 | 2003-11-10 | スガワアクチュエータ合資会社 | Hydraulic rodless cylinder type actuator |
| DE202006014024U1 (en) * | 2006-09-08 | 2006-11-09 | Fte Automotive Gmbh | Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove |
| DE112010004312A5 (en) * | 2009-11-05 | 2012-08-16 | Schaeffler Technologies AG & Co. KG | hydraulic cylinders |
-
2013
- 2013-08-28 WO PCT/DE2013/200142 patent/WO2014044269A2/en active Application Filing
- 2013-08-28 DE DE112013004550.8T patent/DE112013004550A5/en not_active Withdrawn
- 2013-08-28 CN CN201380047155.4A patent/CN104619998B/en not_active Expired - Fee Related
- 2013-08-28 DE DE102013217115.3A patent/DE102013217115A1/en not_active Withdrawn
-
2015
- 2015-02-21 IN IN1453DEN2015 patent/IN2015DN01453A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013217115A1 (en) | 2014-03-20 |
| DE112013004550A5 (en) | 2015-05-28 |
| CN104619998A (en) | 2015-05-13 |
| IN2015DN01453A (en) | 2015-07-03 |
| WO2014044269A3 (en) | 2014-05-15 |
| WO2014044269A2 (en) | 2014-03-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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