CN1902071A - Master cylinder, especially for a regulated brake system - Google Patents
Master cylinder, especially for a regulated brake system Download PDFInfo
- Publication number
- CN1902071A CN1902071A CNA2004800399158A CN200480039915A CN1902071A CN 1902071 A CN1902071 A CN 1902071A CN A2004800399158 A CNA2004800399158 A CN A2004800399158A CN 200480039915 A CN200480039915 A CN 200480039915A CN 1902071 A CN1902071 A CN 1902071A
- Authority
- CN
- China
- Prior art keywords
- piston
- master cylinder
- transverse holes
- internal diameter
- depressed part
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000994 depressogenic effect Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000000153 supplemental effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/232—Recuperation valves
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The present invention relates to a master cylinder(1), especially for a regulated brake system. The master cylinder comprises at least one piston(3,4;53,54)that can be displaced in a housing(2)and is sealed, by means of a sealing element(5,6)arranged in an annular groove(23,24)of the housing(2), from a pressurized region(7,8)that can be connected to a pressureless wake region(11,12)by means of transversal boreholes(9,10;50,51)in the piston(3,4;53,54). The invention is based on the fact that the inner side(13,14;59,60)of the piston(3,4; 53,54)is provided with recesses(15,16,17)in which the transversal boreholes(9,10;50,51)end.
Description
Technical field
The present invention relates to a kind of master cylinder that is particularly useful for regulated brake system, comprise the piston that at least one can move in housing, piston seals with respect to pressure chamber by the packing element in the circular groove that is arranged at housing, and described pressure chamber can be connected to the supply chamber that is not stressed/servo-actuated chamber (Nachlaufraum) by the transverse holes that forms in piston.
Background technology
For example DE 101 20 913 A1 disclose such master cylinder, and wherein the cross-sectional plane of transverse holes is less, thereby keep the idle travel of master cylinder short as far as possible.When be used for regulated brake system, when having the brake system of driving anti-skid device (ASR) or electronic stability program (ESP), controlling by pump under the situation of interference (Eingriff), by master cylinder from pressure medium container supplemental pumping pressure medium.Here disadvantage is, the transverse holes small cross section causes excessive throttle resistance, makes that pump can not be to provide required pressure medium fast enough.
Known by EP 0 807 042 A1, transverse holes is designed to along the slit of the circumferential extension of piston.Because the outside (outside face) of piston is used to guide piston, therefore must carry out burring to the slit on the piston outside.Suggestion for this reason is arranged on trench bottom around/circumferential water jacket with slit, this moment must to around water jacket handle, to prevent sharp keen edge and to damage packing element.In addition disadvantageously, when crossing ( berfahren) around water jacket the time, the inner sealing lip of packing element is clamp-oned in the water jacket by prestrain, this can cause the damage of inner sealing lip equally or reverse.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of following improved master cylinder.
According to the present invention, this purpose can be provided with such depressed part and realize that promptly transverse holes feeds described depressed part by the inboard at piston.This has eliminated on the one hand complicated processing has been carried out in the piston outside, on the other hand, has reduced the length of transverse holes, and promptly the axial dimension of transverse holes has reduced throttle resistance thus.In addition, can keep the idle travel of master cylinder less.
In order to simplify the manufacturability of piston, piston has the wall construction that is essentially bowl-shape in a side, this wall construction has first internal diameter and second internal diameter, and wherein second internal diameter is greater than first internal diameter, and transverse holes is arranged in the zone between first internal diameter and second internal diameter.
In a favourable improvement project of the present invention, that depressed part is designed to easily to make, around radially inside groove.Inside groove does not need fine limit work.In addition, because the wall thickness of piston do not reduce, so piston can bear axial force under indeformable situation, and described axial force acts on the piston during to the housing or second piston at piston slap.
Another advantageous embodiment of the present invention realizes like this,, depressed part is designed to the backlash of the tooth profile on the piston inboard that is, and wherein depressed part advantageously extends to pistons end vertically.Can in deep-draw processes, make the piston of band depressed part like this, and not need extra processing to make depressed part.Simultaneously, the wall thickness of piston only is to reduce in the part, end, and piston can bear the axial force that is occurred under indeformable situation thus.
In order to ensure making transverse holes especially simply, relative transverse holes has parallel boundary surface.Can make relative transverse holes simultaneously in practice thus.
Preferably, transverse holes has the shape of elongated hole, can further reduce throttle resistance thus.
In a favourable form of implementation of the present invention, can process for example punching press by shaping, perhaps green phase radially uses the technology of driller to make transverse holes for the longitudinal axis of piston.
Test verified, the Kong Changyu aperture of transverse holes in other words the ratio of Kong Changyu width to be about 1 be favourable.
Description of drawings
Explain the present invention with reference to the accompanying drawing that embodiment is shown below.The accompanying drawing height is schematically illustrated:
Fig. 1 is the longitudinal sectional view of first embodiment of master cylinder of the present invention;
Fig. 2 is the longitudinal sectional view of first piston of first embodiment of master cylinder of the present invention;
Fig. 3 is that the piston of Fig. 2 is at the partial view along the section of the line B-B of Fig. 2;
Fig. 4 is the partial view of the first piston of second embodiment at longitudinal sectional view;
Fig. 5 is that the piston of Fig. 4 is at the partial view along the section of the line C-C of Fig. 4;
Fig. 6 is the fragmentary, perspective view of the piston of Fig. 4;
Fig. 7 is the longitudinal sectional view of the 3rd embodiment of master cylinder of the present invention;
Fig. 8 is the partial view of first piston of the 3rd embodiment of master cylinder of the present invention; And
Fig. 9 is the partial view of the piston of Fig. 8 at the section in transverse holes zone.
The specific embodiment
Fig. 1 illustrates the longitudinal sectional view of first embodiment of master cylinder 1, and this master cylinder for example is used for having the regulated brake system of driving anti-skid device (ASR) and/or electronic stability program (ESP) and is designed to plunger tpe and tandem type (Tandem) structure.The mode of operation of this master cylinder 1 is known on principle, therefore the important feature for the present invention will be described mainly.
Master cylinder 1 comprises the first piston 3 and second piston 4 that can move in housing 2, wherein accommodate the packing element 5,6 of annular arrangement in the circular groove 23,24 of housing 2, described packing element has the inner sealing lip 26,27 of dynamic stress and the outside seal lip 28,29 of static strength.The inner sealing lip 26,27 of dynamic stress abuts on the piston 3,4 with primary sealing area, and the outside seal lip 28,29 of static strength abuts in the bottom of circular groove 23,24 with secondary sealing area.The outside 30,31 of piston 3,4 is as spigot surface.
Be in shown in Figure 1, not in the master cylinder 1 under the actuating state, first and second pressure chambers 7,8 are by the supply chamber 11,12 in pressure medium channel 32,33 and the housing 2 and link to each other with a stress-free pressure medium container (not shown) by the transverse holes 9,10 in the bowl-shape wall construction 21,22, and described bowl-shape wall construction is arranged on the side 36,37 of first and second pistons 3,4.The design type different according to master cylinder 1 is provided with four to 24 transverse holes 9,10 evenly distributedly at the periphery of piston 3,4.Here piston 3,4 utilizes compression spring 34,35 prestrains.
In order to activate master cylinder 1, move first piston 3 along direction of actuation A.At this moment, the compression spring 34 that moves through of first piston 3 is delivered on second piston 4.When transverse holes 9,10 is positioned at the zone of packing element 5,6, just passed through the so-called idle travel of master cylinder 1, because pressure medium no longer can enter pressure chamber 7,8 through transverse holes 9,10 from supply chamber 11,12.Connection between pressure chamber 7,8 and the pressure medium container is interrupted, and the pressure in the pressure chamber 7,8 raises.
The piston 3,4 that order is provided with before and after two of master cylinder 1 near identical, therefore will only further specify first piston 3 on structure and mode of operation.
In ASR or ESP interference, be in deactivated or actuating state following time at piston 3, may need from pressure medium container, to replenish the suction pressure medium via pressure chamber 7 along the direction of car side brake, this preferably realizes by pump, the inlet of described pump can be connected to the pressure chamber 7,8 of master cylinder 1 selectively or be connected to car side brake, so that along the direction of wheel braking or along direction (feeding back principle (R ü ckf the rderprinzip)) pumped (conveying) medium of master cylinder 1.For this reason in ASR interferes, under the non-actuated condition of master cylinder 1, via pressure medium channel 32, supply chamber 11, transverse holes 9 and pressure chamber 7 supplemental pumping pressure medium from pressure medium container.In ESP interferes, under the actuating state of master cylinder 1, additionally the outside seal lip 28 that flows through packing element 5 by (pressure medium) carries out supplemental pumping, because outside seal lip 28 overturns along the direction of inner sealing lip 26 owing to suction pressure, and the sealing surface of outside seal lip 28 no longer abuts in the bottom of circular groove 23 thus.For in ASR or ESP interference, especially, provide enough pressure mediums to pump apace in the non-actuated position of master cylinder 1, need make the throttle resistance of transverse holes 9 keep low as far as possible, but also should keep the idle travel of master cylinder 1 as far as possible little this moment.
Fig. 2 illustrates the longitudinal sectional view of the first piston 3 of first embodiment, and Fig. 3 illustrates the partial view of piston 3 along the section of the line B-B of Fig. 2.
As shown in Figure 2, piston 3 is designed to basic for bowl-shape on side 36, and has first inside diameter D 1 and second inside diameter D 2, and wherein second inside diameter D 2 has been simplified the manufacturing of piston 3 thus greater than first inside diameter D 1.Transverse holes 9 is arranged on the piston periphery in the zone between two inside diameter D 1 and the D2 evenly distributedly, and feeds in the depressed part 15 on the inboard 13 that is arranged on piston 3.Especially as shown in Figure 2, depressed part 15 be designed to around radially inside groove.
Because 19 places do not reduce the wall thickness of bowl-shape wall construction 21 in the end, so piston 3 can bear the axial force that acts on the piston 3 when piston 3 strikes second piston 4 under the indeformable situation.The bump of piston 3 (with piston 4) for example takes place under the situation of pipeline failure.
As shown in Figure 3, transverse holes 9 has aperture D and the long L in hole, and the ratio of long L in hole and aperture D is about 1, and verified this ratio is particularly advantageous.Therefore inside groove 15 has reduced the throttle resistance that the long L in hole has also reduced transverse holes 9 thus.
Fig. 4 to 6 illustrates the first piston 3 of second embodiment of master cylinder 1 with partial view and cutaway view, and this embodiment embodiment with Fig. 1 to 3 basically is identical, and therefore identical feature is denoted by like references, and will no longer repeat the declaratives of being correlated with.Therefore, difference only is described below.
Particularly as illustrate along Fig. 5 of the section of the line C-C of Fig. 4 and shown in Figure 6, transverse holes 9 feeds depressed parts 17, and depressed part 17 is designed to the backlash of the tooth profile on the inboard 13 of piston 3.Depressed part 17 extends to the end 19 of piston 3 vertically, makes thus and can make by the deep-draw processes of piston 3 that can not need extra procedure of processing and make depressed part 17 this moment.
In this embodiment, 19 wall thickness only reduces the part bowl-shape wall construction 21 in the end, and piston 3 also can bear axial force here under indeformable situation thus.
Fig. 7 to 9 illustrates partial view and the cutaway view of the 3rd embodiment of master cylinder 1, and this embodiment is identical with two the foregoing descriptions according to Fig. 1 to 6 basically, and therefore identical feature is denoted by like references, and will no longer repeat the declaratives of being correlated with.Therefore, difference only is described below.
The master cylinder 1 of the 3rd embodiment comprise can be in housing 2 the mobile first piston 53 and second piston 54, described two pistons have bowl-shape basically wall construction 57,58 in a side 55,56.
Compare with preceding two embodiment, the master cylinder 1 of the 3rd embodiment comprises the spring assembly 61,62 that is used for preloaded pistons 53,54. Spring assembly 61,62 has compression spring 34,35 respectively, double pointed nail (Spannstift) 63,64, and have two tensioning sleeves 65,66,67,68 respectively, cancelled the axle journal of the setting placed in the middle shown in Fig. 1 thus.Can make piston 53,54 as plastic components or metallo-turning parts more simply thus.
In bowl- shape wall construction 57,58, piston 53,54 comprises transverse holes 50,51, is arranged on the periphery of piston 53,54 in the zone of described transverse holes between two inside diameter D 1 and D2 evenly distributedly and feeds in the depressed part 15,16 on the inboard 59,60 that is arranged on piston 53,54.Similar with embodiment according to Fig. 2, depressed part 15,16 be designed to around radially inside groove.
The piston 53,54 that two front and back of master cylinder 1 are disposed in order near identical, therefore will only describe first piston 53 in detail on structure and mode of operation.
As partial view shown in Figure 8 of first piston 53 is shown, transverse holes 50 has the shape of the elongated hole of length L 1, width B.The favourable part that transverse holes 50 is designed to elongated hole is, can further reduce throttle resistance thus.
Particularly as the shown in Figure 9 of the part sectional view of second piston 53 in the transverse holes zone, the Kong Changwei L of transverse holes 50 are shown.The ratio of long L in hole and width B is about 1, and verified this ratio is particularly advantageous.Therefore inside groove 15 has reduced the throttle resistance that the long L in hole has also reduced transverse holes 50 thus.
Can find out that further relative transverse holes 50 has parallel boundary surface 52, this moment can be for example by the processing that is shaped, and for example by punching press, perhaps green phase radially uses the technology of driller to make transverse holes 50 for the longitudinal axis M of piston 53.
The reference number table
1 master cylinder, 28 outside seal lips
2 housings, 29 outside seal lips
3 pistons, 30 outsides
4 pistons, 31 outsides
5 potted components, 32 pressure medium channels
6 potted components, 33 pressure medium channels
7 pressure chambers, 34 Compress Springs
8 pressure chambers, 35 Compress Springs
9 transverse holes, 36 sides
10 transverse holes, 37 sides
11 supply chambeies, 38 axle journals
12 supply chambeies, 39 axle journals
13 inboard 40 ends
14 inboard 41 ends
15 depressed parts, 42 backstops
16 depressed parts, 43 backstops
17 depressed parts, 44 sleeves
45 sleeves
19 ends, 46 flanges
20 ends, 47 flanges
21 wall constructions, 48 flanges
22 wall constructions, 49 flanges
23 circular grooves, 50 transverse holes
24 circular grooves, 51 transverse holes
52 reference planes
26 inner sealing lips, 53 pistons
27 inner sealing lips, 54 pistons
55 sides
56 sides
57 wall constructions
58 wall constructions
59 inboards
60 inboards
61 spring assemblies
62 spring assemblies
63 double pointed nails
64 double pointed nails
65 tensioning sleeves
66 tensioning sleeves
67 tensioning sleeves
68 tensioning sleeves
The A direction of actuation
The D aperture
The D1 diameter
The D2 diameter
The B width
The L hole is long
L1 length
The M longitudinal axis
Claims (12)
1. the master cylinder in particular for regulated brake system (1) comprises the piston (3,4 that at least one can move in housing (2); 53,54), with respect to pressure chamber (7,8) sealing, described pressure chamber can pass through at piston (3,4 described piston by the packing element (5,6) in the circular groove (23,24) that is arranged on housing (2); 53,54) transverse holes (9,10 that forms in; 50,51) be connected with a supply chamber (11,12) that is not stressed, it is characterized in that, at piston (3,4; 53,54) inboard (13,14) is provided with depressed part (15,16,17), and transverse holes (9,10) feeds described depressed part.
2. master cylinder according to claim 1 is characterized in that, described piston (3,4; 53,54) in a side (36,37; 55,56) has the wall construction (21,22 that is essentially bowl-shape; 57,58), described wall construction has first internal diameter (D1) and second internal diameter (D2), and wherein second internal diameter (D2) is greater than first internal diameter (D1); Described transverse holes (9,10; 50,51) be arranged in the zone between first internal diameter (D1) and second internal diameter (D2).
3. master cylinder according to claim 2 is characterized in that, described depressed part (15,16) be designed to around radially inside groove.
4. master cylinder according to claim 2 is characterized in that, described depressed part (17) is designed to the backlash of the tooth profile on the inboard (13,14) of piston (3,4).
5. master cylinder according to claim 4 is characterized in that, described depressed part (17) extends to the end (19,20) of piston (3,4) vertically.
6. according to each described master cylinder in the claim 1 to 5, it is characterized in that described transverse holes (9,10) has hole long (L) and aperture (D), its mesopore long (L) is about 1 with the ratio in aperture (D).
7. master cylinder according to claim 3 is characterized in that, relative transverse holes (50,51) has parallel boundary surface (52).
8. master cylinder according to claim 7 is characterized in that, described transverse holes (50,51) has the shape of elongated hole.
9. master cylinder according to claim 8 is characterized in that, described transverse holes (50,51) can be by the forming technology manufacturing.
10. master cylinder according to claim 8 is characterized in that, described transverse holes (50,51) but green phase radially uses the technology of driller to make for the longitudinal axis (M) of piston (53,54).
11., it is characterized in that described transverse holes (50,51) has hole long (L) according to claim 9 or 10 described master cylinders, length (L1) and width (B), its mesopore long (L) is about 1 with the ratio of width (B).
12., it is characterized in that, at described piston (3,4 according to each described master cylinder in the aforesaid right requirement; 53,54) be provided with four to 24 transverse holes (9,10 on the periphery evenly distributedly; 50,51).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004001612 | 2004-01-09 | ||
| DE102004001612.7 | 2004-01-09 | ||
| DE102004057137.6 | 2004-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1902071A true CN1902071A (en) | 2007-01-24 |
| CN100384668C CN100384668C (en) | 2008-04-30 |
Family
ID=34800758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800399158A Active CN100384668C (en) | 2004-01-09 | 2004-12-15 | Master cylinder, especially for a regulated brake system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4741514B2 (en) |
| CN (1) | CN100384668C (en) |
| DE (1) | DE102004057137A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470847A (en) * | 2009-07-31 | 2012-05-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder in particular for a controlled motor vehicle brake system |
| CN102656069A (en) * | 2009-12-15 | 2012-09-05 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder for a regulated braking system |
| CN103003114A (en) * | 2010-06-21 | 2013-03-27 | 罗伯特·博世有限公司 | Master cylinder with flow groove |
| CN103260977A (en) * | 2010-12-21 | 2013-08-21 | 罗伯特·博世有限公司 | Plastic primary piston with insert for penetration-ype tandem master cylinder and master cylinder fitted with such piston |
| CN103635368A (en) * | 2011-05-05 | 2014-03-12 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder, in particular for a controlled brake system |
| CN104421353A (en) * | 2013-09-04 | 2015-03-18 | 舍弗勒技术有限两合公司 | Driving cylinder |
| CN104955694A (en) * | 2013-01-30 | 2015-09-30 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master brake cylinder for a hydraulic motor vehicle brake system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080082754A (en) * | 2007-03-09 | 2008-09-12 | 현대모비스 주식회사 | Master cylinder of brake |
| DE102011075358B4 (en) | 2011-05-05 | 2024-01-11 | Continental Automotive Technologies GmbH | Master cylinder, especially for a regulated braking system |
| DE102017220207A1 (en) * | 2017-11-14 | 2019-05-16 | Continental Teves Ag & Co. Ohg | Hydraulic unit for generating brake pressure for a hydraulic brake system |
| DE102017220206A1 (en) * | 2017-11-14 | 2019-05-16 | Continental Teves Ag & Co. Ohg | Hydraulic unit for generating brake pressure for a hydraulic brake system |
| JP2020055399A (en) * | 2018-10-01 | 2020-04-09 | 株式会社アドヴィックス | Master cylinder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996023683A1 (en) * | 1995-02-02 | 1996-08-08 | Itt Automotive Europe Gmbh | Master cylinder |
| JP3147809B2 (en) * | 1997-03-18 | 2001-03-19 | ボッシュ ブレーキ システム株式会社 | Master cylinder with double seal ring structure |
| DE19751462A1 (en) * | 1997-11-20 | 1999-05-27 | Itt Mfg Enterprises Inc | Master cylinder for hydraulic brake systems |
| JP4078735B2 (en) * | 1998-01-12 | 2008-04-23 | ボッシュ株式会社 | Master cylinder |
| CN2385938Y (en) * | 1999-08-12 | 2000-07-05 | 杭州奇碟离合器有限公司 | Brake master cylinder |
| DE10120913A1 (en) * | 2000-07-28 | 2002-05-02 | Continental Teves Ag & Co Ohg | Master brake cylinder with plunger and radial grooves inserted in the housing to accommodate the sealing sleeves |
| CN2550223Y (en) * | 2002-06-19 | 2003-05-14 | 臧福运 | Single pipeline hydraulic brake main cylinder |
-
2004
- 2004-11-26 DE DE102004057137A patent/DE102004057137A1/en not_active Withdrawn
- 2004-12-15 CN CNB2004800399158A patent/CN100384668C/en active Active
- 2004-12-15 JP JP2006548195A patent/JP4741514B2/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470847A (en) * | 2009-07-31 | 2012-05-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder in particular for a controlled motor vehicle brake system |
| CN102656069B (en) * | 2009-12-15 | 2015-06-24 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder for a regulated braking system |
| CN102656069A (en) * | 2009-12-15 | 2012-09-05 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder for a regulated braking system |
| US9657752B2 (en) | 2009-12-15 | 2017-05-23 | Continental Teves Ag & Co. Ohg | Master cylinder for a regulated braking system |
| CN103003114A (en) * | 2010-06-21 | 2013-03-27 | 罗伯特·博世有限公司 | Master cylinder with flow groove |
| CN103260977A (en) * | 2010-12-21 | 2013-08-21 | 罗伯特·博世有限公司 | Plastic primary piston with insert for penetration-ype tandem master cylinder and master cylinder fitted with such piston |
| CN103260977B (en) * | 2010-12-21 | 2016-02-17 | 罗伯特·博世有限公司 | For penetrating type tandem master cylinder the plastics main piston with insert and the master cylinder of this piston is housed |
| US9581241B2 (en) | 2010-12-21 | 2017-02-28 | Robert Bosch Gmbh | Plastic primary piston with insert for a tandem penetration-type master cylinder and a master cylinder equipped with such a piston |
| CN103635368B (en) * | 2011-05-05 | 2016-03-30 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Be particularly useful for the master cylinder of the brake system be conditioned |
| CN103635368A (en) * | 2011-05-05 | 2014-03-12 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master cylinder, in particular for a controlled brake system |
| CN104955694A (en) * | 2013-01-30 | 2015-09-30 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Master brake cylinder for a hydraulic motor vehicle brake system |
| CN104421353A (en) * | 2013-09-04 | 2015-03-18 | 舍弗勒技术有限两合公司 | Driving cylinder |
| CN104421353B (en) * | 2013-09-04 | 2019-01-08 | 舍弗勒技术股份两合公司 | Active cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4741514B2 (en) | 2011-08-03 |
| JP2007517724A (en) | 2007-07-05 |
| CN100384668C (en) | 2008-04-30 |
| DE102004057137A1 (en) | 2005-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1902071A (en) | Master cylinder, especially for a regulated brake system | |
| CN1288017C (en) | Master cylinder comprising fluid and replenishing seal | |
| CN1053621C (en) | Variable outer diameter wheel and vihicle providing it | |
| CN1289017C (en) | Furniture buffers | |
| CN1246621C (en) | Connecting structural component of flow control valve | |
| CN1704587A (en) | Diaphragm pump | |
| CN1934380A (en) | Sealing device for reciprocating shaft | |
| CN1862016A (en) | Linear compressor | |
| CN1858445A (en) | Linear compressor | |
| CN1906434A (en) | Cup seal and master cylinder using the same | |
| CN1749592A (en) | Floating caliper disc brake | |
| CN102138002B (en) | Piston pump | |
| CN1485559A (en) | Sealing ring | |
| CN1676981A (en) | Pipe joint | |
| CN1640712A (en) | Actuating device for transferring a control piston force of an engaging/disengaging device to a double clutch | |
| CN1578883A (en) | Pad retraction spring for a brake shoe assembly and a disc brake assembly | |
| CN1771406A (en) | Lip-type seal | |
| KR20120099062A (en) | Piston pump | |
| CN1257819C (en) | Vacuum booster | |
| CN1230335C (en) | Reaction device for brake booster | |
| CN1959115A (en) | Vehicular brake device | |
| CN1034646C (en) | Pneumatic booster | |
| CN1508431A (en) | Pump for locking-preventive braking system | |
| CN1748084A (en) | Piston pump | |
| CN1223619A (en) | Power-assisted braking device with a veriable assistance ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: Hannover Patentee after: Continental Automotive Technology Co.,Ltd. Address before: Frankfurt, Germany Patentee before: CONTINENTAL TEVES AG & Co. OHG |