CN104903596A - Pull-action rolling diaphragm cylinder without tie rod construction and with inner and outer rolling regions - Google Patents
Pull-action rolling diaphragm cylinder without tie rod construction and with inner and outer rolling regions Download PDFInfo
- Publication number
- CN104903596A CN104903596A CN201380069546.6A CN201380069546A CN104903596A CN 104903596 A CN104903596 A CN 104903596A CN 201380069546 A CN201380069546 A CN 201380069546A CN 104903596 A CN104903596 A CN 104903596A
- Authority
- CN
- China
- Prior art keywords
- rolling diaphragm
- housing
- control system
- hydraulic control
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/10—Hydraulic or pneumatic
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/52—Pneumatic or hydraulic circuits
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
- E05B85/14—Handles pivoted about an axis parallel to the wing
- E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
- E05B2051/026—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means with manually generated fluid pressure
-
- 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
- F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
-
- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
Abstract
The present invention relates to a pull-action rolling diaphragm cylinder without tie rod construction and with a inner and outer rolling regions. The invention relates to a hydraulic actuation system for a clutch or a door locking and/or door unlocking system of a motor vehicle, having a first hydraulic cylinder and a second hydraulic cylinder, of which at least one has a housing and a piston movable relative thereto, wherein, between the housing and the piston, there is provided a pressure chamber of variable size for a hydraulic medium such as a fluid or a liquid, wherein the pressure chamber is delimited by a rolling diaphragm which is attached, by two ends, to a component fixed with respect to a housing.
Description
Technical field
The present invention relates to a kind of hydraulic control system, its clutch for Motor Vehicle, such as automobile or commercial car or door locked and/or door release mechanism, it has the first oil hydraulic cylinder and the second oil hydraulic cylinder, at least one oil hydraulic cylinder in described first oil hydraulic cylinder and the second oil hydraulic cylinder has housing and the piston relative to described shell intense physical exercises, wherein, the pressure chamber of variable dimension is there is, for hydraulic medium such as fluid or liquid between housing and piston.Identical or the highly similar oil hydraulic cylinder of general use two, described oil hydraulic cylinder is connected to each other by means of hydraulic pipe line, and the hydraulic medium be included in this Liang Ge pressure chamber can be communicated with each other.
Background technique
The control system of door lock is become known for by prior art such as US 3400962 and DE 2908613 C2.At this, use Steel Cable (Bowdenz ü ge).
Lock for motor vehicle door is also known by DE 199 49 037 A1.Disclose in the publication, motor vehicle door can be provided with door lock, described door lock is coupled for opening door lock with the door handle be arranged on door, and wherein, door handle is fluidly coupled with door lock.Being coupling in this and being understood as manipulation that is pneumatic or hydraulic pressure of fluid.Disclose, realize coupling that is pneumatic or hydraulic pressure at this.
In addition, in US 2298776, hydraulic operated door lock is disclosed.US 4541258 also discloses the device for the locking and unlocking door lock, adopts hydraulic pressure installation.
DE 10 2,004 037 299 A1 also discloses a kind of door Effector, it has car door, this car door have support in an adjustable way door handle, there is door lock, there is the transmitting element of the Movement transmit between adjustable door handle and the Locking Device of door lock and there are safty device, described safty device stop the unblock situation opening door lock under door handle is shifted tendency situation unexpectedly.Herein means out, transmitting element has closed Transfer Medium system, described Transfer Medium system comprises Transfer Medium, described Transfer Medium system comprises flexible, the transfer piping of blown tubular, in the pipeline of described transfer piping extends, the throttle valve that pipeline is narrowed is set, thus volume-movable component is set respectively in the both sides of transfer piping, described volume-movable component with fill the volume of Transfer Medium and to be connected by the transfer piping comprising described throttle valve each other and at least one in them is connected with door handle with its sliding parts with transmitting motion directly or indirectly.
EP 0 936 102 A1 is also similar, it discloses the Effector using hydraulic element, but for the Locking Device on seat.
Also the closed and latch system for door or cover plate is disclosed by open source literature EP 1 273 744 A2 and DE 102 28 978 B4.Also the special wiring diagram being driven control slave cylinder by multiple active cylinder is disclosed at that.
So far known control system, such as those use the control system of Steel Cables, unfortunately always can not avoid safeguarding and are disadvantageous relative to hydraulic system.But in hydraulic system, must keep a liquid storage device and the sealing part abrasion of the usual motion of experience, this causes again activating safeguards, such as more new seal and recharge hydraulic medium.
Summary of the invention
The object of the invention is to, avoid the shortcoming of prior art, avoid, for realizable force stream, loaded down with trivial details guiding such as when pull bar (Zugankern), preventing the loaded down with trivial details attachment of drag rope and optimizing pull bar guiding in the housing.Simplify the attachment of drag rope and can remove or at least simplify bracing structure.
Object of the present invention realizes in mode according to the present invention thus in such hydraulic control system, and namely pressure chamber is limited by rolling diaphragm, and described rolling diaphragm is placed on a component be fixed on housing with two end part.
Such rolling diaphragm is open by DE 85 33 547 U1.The device for transmitting force and motion between two hydraulic control units is disclosed at that.Particularly known when hydraulic control piston-cylinder assemblies use rolling diaphragm, described piston-cylinder assemblies also can be described as oil hydraulic cylinder.Disclose at that, the variable volume of two chambers is formed on rolling diaphragm opposite side, the first chamber in these two chambers is occupied by working liquid body, and the second chamber is occupied by fluid, and in addition, first chamber of cylinder is connected with pliable and tough flexible pipe, described flexible pipe is made up of polymer material and has reinforcement structure at Qi Bizhong, thus it is not expansible under the pressure change of flexible pipe between the liquid of these two cylinder movings, but can be out of shape in a longitudinal direction, to obtain the arc configuration between two cylinders, determined by the radius of curvature substantially arriving 30mm, spacing in each piston-cylinder assemblies between the largest outer dimension of piston and the inwall of cylinder is in the scope of three times to five times of membrane thicknesses, wherein, piston has the cross section that intermediate portion reduces, and for guiding in the second chamber of being arranged on the device of this piston portion of centering and being occupied by working fluid.
Favourable mode of execution limits in the dependent claims and is described below in detail.
So advantageously, rolling diaphragm hose-like ground structure, because allow rolling diaphragm no longer to launch from housing, but launches in inside.Barrier film so can directly launch on piston and on housing.If insert sleeve pipe in centre, so drag rope or draw-bar can extend across this sleeve pipe, can save pull bar thus.
Also advantageously, independent housing closure is fixed on housing, simplifies the installation of single component and the applicability that improve for different applications by described housing closure.
The feature of one favourable embodiment is also, housing closure have outside on the outer surface around water jacket and have inner on inner face around inside groove, wherein, the first lug boss roughly radially-inwardly stretched out on the first end of hose-like rolling diaphragm with the mode positive of the side recess of inlay card water jacket the second lug boss roughly radially-inwardly stretched out be inserted in water jacket and/or on the second end of hose-like rolling diaphragm be inserted in inside groove.Simplify thus and use force closure and/or positive are fixed on by rolling diaphragm on the relative housing closure do not moved or are directly fixed on housing.
Also advantageously, the supporting sleeve inwardly supporting rolling diaphragm is inserted in housing closure.As already described, drag rope or draw-bar is guided by supporting sleeve thus and the bracing structure removed or exempt from expending.
Also particularly advantageously, piston has the rolling diaphragm contact area of roughly integral type, contacts with this or can contact with the region placed in the middle as far as possible of rolling diaphragm.If power tractive on drag rope, so piston towards housing closure motion and rolling diaphragm contact area at least with its centered region towards housing closure extrusion rolling barrier film, thus, the pressure chamber of annular reduces and hydraulic medium, such as water and antifreezing solution are pressed onto in hydraulic medium pipeline, to fill the pressure chamber of the second oil hydraulic cylinder.This second oil hydraulic cylinder can be implemented identically with the first hydraulic cylinder construction.
When rolling diaphragm contact area is configured to the hollow cylinder of the radially outer of piston, so realize structural type compact especially.
Also advantageously, well shape structure extends through piston and housing closure, is guided or can guide pull transfer part, such as drag rope or draw-bar, to be fixed on piston by described well shape structure.So allow through power stream.
Also prove advantageously, hydraulic medium pipeline is connected with pressure chamber's fluid by passage housing or housing closure.
In other words, the present invention relates to a kind of power delivery system to unlock for handling such as door as substituting of cable traction system.That is cable traction system must comprise the minimum installation radius determined, but this should be avoided.The present invention advises, cable traction system is replaced by the hydraulic pressure section with rolling diaphragm cylinder.That is not have in the hydraulic pressure section of fluid balance disadvantageously known, it extends due to temperature fluctuation or shortens.But provide such feasibility at this, such selection material, hydraulic pressure section is stopped according to the length change of temperature.When the attachment of drag rope is guided through the hollow cylinder section of piston and supporting sleeve and housing closure, this bracing structure can be simplified.
Advise as stated, rolling diaphragm not only launches on housing in outside, and launches on supporting sleeve in inside.Drag rope or draw-bar can extend across supporting sleeve thus, therefore can save pull bar.Such control system is particularly highly beneficial in the open-door system of hydraulic pressure.
Rolling diaphragm is fixed in the axial direction, that is, is positioned on housing, and wherein, rolling diaphragm is relative to surrounding environment seal casinghousing.Outer sleeve and inner sleeve are fixed on housing, and rolling diaphragm launches on described outer sleeve and inner sleeve.Outer sleeve and inner sleeve work all diametrically.
Piston is guided by inner sleeve.When the section of reception/delivery hydraulic pressure medium is called as housing closure, outer sleeve itself also can be called housing.Piston sinks in rolling diaphragm when operating hydraulically operated control system, and wherein, rolling diaphragm is not only inner but also launch on piston in outside.Drag rope is fixed on piston.Housing supports pulling force relative to surrounding environment.Described cylinder can not only be used as slave cylinder and also can be used as active cylinder.If tractive drag rope, then piston is towards housing/housing closure motion and by the direction extruding liquid of hydraulic medium pipeline to another oil hydraulic cylinder.
Realize traction oil hydraulic cylinder, wherein, drag rope or draw-bar directed by described cylinder.
Accompanying drawing explanation
The present invention is illustrated in greater detail below by means of accompanying drawing.The first embodiment is shown at this.This figure show:
Fig. 1: according to the longitudinal sectional view of the first oil hydraulic cylinder of hydraulic control system of the present invention.
This accompanying drawing is only schematic and only for understanding the present invention.
Embodiment
Figure 1 illustrates according to the first hydraulic control system 1 of the present invention.This first hydraulic control system is used for starting clutch, such as double clutch or door locked and/or door release mechanism.At this, it uses in a motor vehicle, such as, in automobile, bus or other commercial car.
Marking with reference character 2 according to the first oil hydraulic cylinder only illustrated in hydraulic control system 1 of the present invention in two same oil hydraulic cylinders at Fig. 1.Oil hydraulic cylinder 2 has housing 3, and piston 4 is supported in described enclosure interior and stretches out from described housing at least in part.Housing 3 deviates from the side of piston at it and has housing closure 5.
At housing 3, there is pressure chamber 6 between piston 4 and housing closure 5, described pressure chamber is limited by rolling diaphragm 7 and seals.Hydraulic medium is comprised, namely liquid, the mixture be particularly made up of water and antifreezing solution in pressure chamber 6.But also can comprise hydraulic oil.Rolling diaphragm 7 has first end 8 and the second end 9.In addition, first end 8 has the first lug boss 10.The second end 9 of rolling diaphragm 7 has the second lug boss 11.First lug boss 10 is coupled in the water jacket 12 of housing closure 5.Second lug boss 11 is inserted in the inside groove 13 of housing closure 5, and wherein, this inside groove also addedly expands in the notch 14 of supporting sleeve 15.
Supporting sleeve 15 is configured to hollow cylinder and is screwed in housing closure 5.But also can otherwise be fixed on housing 3 or on its constituent elements to the sealed and/or force closure of positive, material.Housing 3 also can have outer sleeve, abutting at least partially on described outer sleeve of rolling diaphragm 7.The interior scroll zones 16 of rolling diaphragm 7 is on the outside that this abuts in supporting sleeve 15, and wherein, the outer rolling region 17 of rolling diaphragm 7 abuts on the inner side of housing 3.
Piston 4 has the rolling diaphragm contact area 18 of integral type, and is configured to the hollow cylinder 19 of radially outer.Hydraulic medium pipeline 20 is engaged on the region of the passage 21 in housing closure 5, to give pressure chamber 6 sap pressure supply medium fluid or to be removed from pressure chamber 6 by such interaction medium.
Pull transfer part 22, according to the type of drag rope, being fixed on piston 4 by increase portion 23 and stretching out through well shape structure 24, described well shape structure extends through housing closure 5, supporting element 15 and piston 4, particularly there through hollow pin 25.Well shape structure 24 is medially arranged relative to housing 3.
reference numerals list
1 hydraulic control system
2 oil hydraulic cylinders
3 housings
4 pistons
5 housing closure
6 pressure chambers
7 rolling diaphragms
The first end of 8 rolling diaphragms
The second end of 9 rolling diaphragms
10 first lug bosses
11 second lug bosses
The water jacket of 12 housing closure
The inside groove of 13 housing closure
The notch of 14 supporting sleeves
15 supporting sleeves
The interior scroll zones of 16 rolling diaphragms
The outer rolling region of 17 rolling diaphragms
18 rolling diaphragm contact areas
The hollow cylinder of 19 radially outers
20 hydraulic medium pipelines
21 passages
22 pull transfer parts
23 increase portions
24 well shape structures
25 hollow pin
Claims (10)
1. hydraulic control system (1), its clutch for Motor Vehicle or door locked and/or door release mechanism, this hydraulic control system has the first oil hydraulic cylinder (2) and the second oil hydraulic cylinder, at least one oil hydraulic cylinder in described first oil hydraulic cylinder and the second oil hydraulic cylinder has housing (3) and can relative to the piston of described housing motion (4), wherein, the pressure chamber (6) that size can change is there is between described housing (3) and described piston (4), for hydraulic medium such as fluid or liquid, it is characterized in that, described pressure chamber (6) is limited by rolling diaphragm (7), described rolling diaphragm is with two ends (8, 9) be placed in one and be fixed on component (2 on housing, 5) on.
2. hydraulic control system according to claim 1 (1), is characterized in that, described rolling diaphragm (7) hose-like ground structure.
3. hydraulic control system according to claim 1 and 2 (1), is characterized in that, an independent housing closure (5) is fixed on described housing (3).
4. hydraulic control system according to claim 3 (1), it is characterized in that, described housing closure (5) have outside on the outer surface around water jacket (12) and have inner on inner face around inside groove (13), wherein, the first lug boss (10) roughly radially-inwardly stretched out on the first end (8) of the rolling diaphragm (7) of hose-like with the mode positive of the side recess of water jacket described in inlay card (12) the second lug boss (11) roughly radially-inwardly stretched out be inserted in described water jacket (12) and/or on the second end (9) of described hose-like rolling diaphragm (7) be inserted in described inside groove (13).
5. hydraulic control system according to claim 4 (1), is characterized in that, a supporting sleeve (15) radially-inwardly supporting described rolling diaphragm (7) is inserted in described housing closure (5).
6. hydraulic control system according to claim 5 (1), it is characterized in that, described supporting sleeve (15) be at least indirectly fixed on the upper and/or hollow pin (25) that receives described piston (4) of described housing (3) at described piston relative to radial directed during described housing (3) axial motion.
7. the hydraulic control system (1) according to any one of claim 2 to 6, it is characterized in that, described piston (4) has the rolling diaphragm contact area (18) of a such as integral type, and described rolling diaphragm contact area contacts with the region placed in the middle as far as possible of described rolling diaphragm (7) or can contact.
8. hydraulic control system according to claim 7 (1), is characterized in that, described rolling diaphragm contact area (18) is configured to the hollow cylinder (19) of the radially outer of described piston (4).
9. the hydraulic control system (1) according to any one of claim 3 to 8, it is characterized in that, one well shape structure (24) extends through described piston (4) and described housing closure (5), guided by described well shape structure or pull transfer part (22), such as drag rope or draw-bar can be guided, to be fixed on described piston (4).
10. the hydraulic control system (1) according to any one of claim 3 to 9, it is characterized in that, a hydraulic medium pipeline (20) is connected with described pressure chamber (6) fluid by the passage (21) in described housing (3) or described housing closure (5).
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013200501 | 2013-01-15 | ||
| DE102013200501.6 | 2013-01-15 | ||
| DE102013205352.5 | 2013-03-26 | ||
| DE102013205352 | 2013-03-26 | ||
| DE102013213759 | 2013-07-15 | ||
| DE102013213759.1 | 2013-07-15 | ||
| DE102013214681.7 | 2013-07-26 | ||
| DE102013214681 | 2013-07-26 | ||
| DE102013214683 | 2013-07-26 | ||
| DE102013214683.3 | 2013-07-26 | ||
| PCT/DE2013/200373 WO2014111080A1 (en) | 2013-01-15 | 2013-12-17 | Pull-action rolling diaphragm cylinder without tie rod construction and with inner and outer rolling region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104903596A true CN104903596A (en) | 2015-09-09 |
Family
ID=50031107
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380069826.7A Pending CN104903530A (en) | 2013-01-15 | 2013-12-17 | Hydraulic door operating mechanism having a rolling membrane cylinder |
| CN201380069546.6A Pending CN104903596A (en) | 2013-01-15 | 2013-12-17 | Pull-action rolling diaphragm cylinder without tie rod construction and with inner and outer rolling regions |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380069826.7A Pending CN104903530A (en) | 2013-01-15 | 2013-12-17 | Hydraulic door operating mechanism having a rolling membrane cylinder |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2946053A1 (en) |
| CN (2) | CN104903530A (en) |
| DE (6) | DE112013006461A5 (en) |
| WO (3) | WO2014111078A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620748A (en) * | 2017-08-18 | 2018-01-23 | 重庆德盟液压机械有限公司 | Self-sealed cyst membrane mounting structure, self sealss cyst membrane cylinder and its installation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018131276A1 (en) * | 2018-12-07 | 2020-01-30 | Schaeffler Technologies AG & Co. KG | Actuation system for aerodynamic adjustment elements |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1576155A1 (en) * | 1965-08-18 | 1969-08-21 | Siemens Ag | Pneumatic actuator, especially for valves |
| GB1405875A (en) * | 1973-03-30 | 1975-09-10 | Schlumberger Compteurs | Diaphragm servomotors |
| DE2550898A1 (en) * | 1975-11-13 | 1977-05-18 | Horst Jansen | Hydraulic lifting jack - has elastic hollow body with fluid connection and wall acting against lifting member |
| JPS5548217Y2 (en) * | 1974-05-09 | 1980-11-11 | ||
| DE8533547U1 (en) * | 1984-11-30 | 1986-01-16 | Pirelli Componenti Auto S.p.A., Mailand | Device for transferring forces and movements between two hydraulic actuating devices |
| CN1181471A (en) * | 1996-08-28 | 1998-05-13 | 易通公司 | Actuator system for vehicular automated clutches with electric motor actuator and pressurized fluid override |
| CN2442020Y (en) * | 2000-08-22 | 2001-08-08 | 陈�峰 | Hydraulic oil cylinder |
| CN201013689Y (en) * | 2007-01-25 | 2008-01-30 | 张志宏 | Diaphragm and sealed ring integrated push rod type non leakage opened loop hydraulic system |
| CN101725587A (en) * | 2009-12-29 | 2010-06-09 | 中国科学院国家天文台南京天文光学技术研究所 | Hydraulic scaling mechanism of sealed cylinder body on basis of flexible element |
| CN201891769U (en) * | 2010-12-15 | 2011-07-06 | 北汽福田汽车股份有限公司 | Clutch operation and control mechanism for truck |
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2013
- 2013-12-17 DE DE112013006461.8T patent/DE112013006461A5/en not_active Withdrawn
- 2013-12-17 WO PCT/DE2013/200370 patent/WO2014111078A1/en active Application Filing
- 2013-12-17 CN CN201380069826.7A patent/CN104903530A/en active Pending
- 2013-12-17 DE DE112013006424.3T patent/DE112013006424A5/en not_active Withdrawn
- 2013-12-17 EP EP13826725.7A patent/EP2946053A1/en not_active Withdrawn
- 2013-12-17 DE DE201310226264 patent/DE102013226264A1/en not_active Withdrawn
- 2013-12-17 WO PCT/DE2013/200373 patent/WO2014111080A1/en active Application Filing
- 2013-12-17 DE DE112013006429.4T patent/DE112013006429A5/en not_active Withdrawn
- 2013-12-17 CN CN201380069546.6A patent/CN104903596A/en active Pending
- 2013-12-17 WO PCT/DE2013/200372 patent/WO2014111079A1/en active Application Filing
- 2013-12-17 DE DE102013226261.2A patent/DE102013226261A1/en not_active Withdrawn
- 2013-12-17 DE DE102013226148.9A patent/DE102013226148A1/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1576155A1 (en) * | 1965-08-18 | 1969-08-21 | Siemens Ag | Pneumatic actuator, especially for valves |
| GB1405875A (en) * | 1973-03-30 | 1975-09-10 | Schlumberger Compteurs | Diaphragm servomotors |
| JPS5548217Y2 (en) * | 1974-05-09 | 1980-11-11 | ||
| DE2550898A1 (en) * | 1975-11-13 | 1977-05-18 | Horst Jansen | Hydraulic lifting jack - has elastic hollow body with fluid connection and wall acting against lifting member |
| DE8533547U1 (en) * | 1984-11-30 | 1986-01-16 | Pirelli Componenti Auto S.p.A., Mailand | Device for transferring forces and movements between two hydraulic actuating devices |
| CN1181471A (en) * | 1996-08-28 | 1998-05-13 | 易通公司 | Actuator system for vehicular automated clutches with electric motor actuator and pressurized fluid override |
| CN2442020Y (en) * | 2000-08-22 | 2001-08-08 | 陈�峰 | Hydraulic oil cylinder |
| CN201013689Y (en) * | 2007-01-25 | 2008-01-30 | 张志宏 | Diaphragm and sealed ring integrated push rod type non leakage opened loop hydraulic system |
| CN101725587A (en) * | 2009-12-29 | 2010-06-09 | 中国科学院国家天文台南京天文光学技术研究所 | Hydraulic scaling mechanism of sealed cylinder body on basis of flexible element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620748A (en) * | 2017-08-18 | 2018-01-23 | 重庆德盟液压机械有限公司 | Self-sealed cyst membrane mounting structure, self sealss cyst membrane cylinder and its installation method |
| CN107620748B (en) * | 2017-08-18 | 2024-03-26 | 重庆戴文能源科技有限公司 | Self-sealing type capsule mounting structure, self-sealing capsule cylinder and mounting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013226148A1 (en) | 2014-07-17 |
| WO2014111078A1 (en) | 2014-07-24 |
| DE112013006429A5 (en) | 2015-10-15 |
| WO2014111079A1 (en) | 2014-07-24 |
| DE102013226261A1 (en) | 2014-07-17 |
| DE102013226264A1 (en) | 2014-07-31 |
| CN104903530A (en) | 2015-09-09 |
| WO2014111080A1 (en) | 2014-07-24 |
| EP2946053A1 (en) | 2015-11-25 |
| DE112013006461A5 (en) | 2015-10-01 |
| DE112013006424A5 (en) | 2015-10-15 |
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