WO2014045960A1 - 液圧マスタシリンダのシリンダ本体の製造方法及び液圧マスタシリンダ - Google Patents
液圧マスタシリンダのシリンダ本体の製造方法及び液圧マスタシリンダ Download PDFInfo
- Publication number
- WO2014045960A1 WO2014045960A1 PCT/JP2013/074498 JP2013074498W WO2014045960A1 WO 2014045960 A1 WO2014045960 A1 WO 2014045960A1 JP 2013074498 W JP2013074498 W JP 2013074498W WO 2014045960 A1 WO2014045960 A1 WO 2014045960A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinder
- hole
- guide sleeve
- plunger
- mounting
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 description 16
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
-
- 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
- F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders
Definitions
- the present invention relates to a method for manufacturing a cylinder body of a hydraulic master cylinder and a hydraulic master cylinder, and more specifically, a guide hole for guiding a plunger is provided on one end side of a cylinder body having a cylinder hole through which a plunger is inserted.
- the present invention relates to a method of manufacturing a cylinder main body of a resin hydraulic master cylinder to which a guide sleeve is attached, and a hydraulic master cylinder.
- the outer periphery of the base end of the guide sleeve is a resin-made hydraulic master cylinder in which a guide sleeve having a guide hole for guiding the plunger is attached to one end of a cylinder body having a cylinder hole for inserting the plunger.
- the guide sleeve is attached to the cylinder body by forming a claw portion on the attachment portion and engaging the claw portion with a window portion provided in a guide sleeve mounting hole formed in the cylinder body.
- the guide sleeve mounting portion is inserted into the guide sleeve mounting hole, and a retaining pin bent in a U-shape is inserted into the through hole formed in the guide sleeve mounting hole to prevent the guide sleeve from coming off.
- a retaining pin bent in a U-shape is inserted into the through hole formed in the guide sleeve mounting hole to prevent the guide sleeve from coming off.
- Patent Document 1 there is a possibility that the claw portion may be damaged when the guide sleeve is assembled to the guide sleeve mounting hole. Moreover, in the thing of patent document 2, since the retaining pin was inserted in a through-hole, workability
- an object of the present invention is to provide a method of manufacturing a cylinder main body of a hydraulic master cylinder made of resin and a hydraulic master cylinder, which can prevent parts from being damaged during assembly and can improve workability. It is said.
- a method for manufacturing a cylinder body of a hydraulic master cylinder includes a guide hole that guides the plunger on a cylinder hole opening side of a resin cylinder body having a cylinder hole through which the plunger is inserted.
- the cylinder body has a guide sleeve mounting hole larger in diameter than the cylinder hole in which the guide sleeve is mounted on the opening side of the cylinder hole.
- the main body is injection-molded using an outer mold and a core
- the core is the pair of fitting grooves of the main body portion that forms the inner surface of the cylinder main body.
- a first core formed with a recess opening at the end and the outer periphery of the main body, respectively, and a fitting groove forming portion for forming the fitting groove are disposed on the outer periphery of the recess.
- a guide sleeve provided with a guide hole for guiding the plunger is attached to a cylinder hole opening side of a resin cylinder body provided with a cylinder hole through which the plunger is inserted.
- the guide sleeve includes a cylindrical portion provided with the guide hole, and a cylinder hole bottom side of the cylindrical portion.
- a mounting portion having a larger diameter than the cylindrical portion, and the cylinder body has a guide sleeve mounting hole having a diameter larger than that of the cylinder hole for mounting the mounting portion on the opening side of the cylinder hole.
- the guide sleeve mounting hole has a pair of fitting grooves on the opening side for mounting the retaining clip of the mounting portion on the same circumference facing the central axis of the plunger.
- a concave groove in the cylinder axial direction is formed on the inner peripheral wall of the cylinder hole, and a union hole that opens to the concave groove is formed on the bottom side of the cylinder hole.
- the third core is extracted, and after the second core is slid to the connecting portion side of the first core, it is extracted, By extracting the first core, all the cores can be easily extracted, and a cylinder body provided with a fitting groove in the guide sleeve mounting hole can be easily manufactured.
- the large-diameter mounting portion provided on the outer periphery of the base end portion of the guide sleeve is inserted into the guide sleeve mounting hole provided in the cylinder body, and provided in the guide sleeve mounting hole.
- FIG. 5 is a cross-sectional view taken along the line II in FIG. 4. It is a principal part expanded sectional view of the hydraulic master cylinder which shows one example of this invention.
- FIG. 3 is a sectional view taken along line III-III in FIG. 1.
- It is a top view of the hydraulic master cylinder which shows one example of the present invention. It is a left view of the cylinder main body of a hydraulic master cylinder similarly. It is a perspective view of the cylinder main body of a hydraulic master cylinder similarly. It is VII-VII sectional drawing of FIG. It is a top view of the cylinder main part of the hydraulic master cylinder which shows one example of the present invention. It is the partial cross section front view of the cylinder main body of a hydraulic master cylinder similarly.
- FIG. 12 is a sectional view taken along line XII-XII in FIG. It is explanatory drawing which shows the state which extracted the 3rd core after the hydraulic master cylinder shaping
- the hydraulic master cylinder 1 is formed of, for example, a synthetic resin and includes a cylinder hole 3a through which a plunger 2 is inserted.
- a guide sleeve 4 having a guide hole 4a for guiding the plunger 2 is attached to one end of the cylinder body 3, and the cylinder hole 3a and the guide hole 4a are formed to have the same diameter and are arranged coaxially. .
- a concave groove 3b in the cylinder axial direction is formed on the inner peripheral wall of the cylinder hole 3a.
- a union boss portion 5 is projected, and the union boss portion 5 is formed with a union hole 5a that opens into the concave groove 3b.
- a hydraulic pipe 6 is connected to the union boss portion 5. Is done.
- a boss portion 7 having a fluid passage hole 7a communicating with the cylinder hole 3a is projected on the upper portion of the cylinder body 3, and a connector 8 connected to a reservoir (not shown) is attached to the boss portion 7. It is done.
- a body mounting bracket 9 is provided at the opening side end of the cylinder body 3, and two mounting bolts 10 are attached to the body mounting bracket 9.
- the plunger 2 is slidably inserted into the cylinder hole 3a via the first cup seal 11 and the second cup seal 12, and a hydraulic chamber is provided between the first cup seal 11 and the bottom of the cylinder hole 3a. 13 is defined.
- the cylinder body 3 includes a small-diameter cylinder hole 3a, a large-diameter medium diameter hole 3c larger than the cylinder hole 3a, and a large-diameter hole 3d larger in diameter than the medium-diameter hole 3c and communicating with the liquid passage hole 7a. And a guide sleeve mounting hole 3e that is larger in diameter than the large diameter hole 3d and that fits the mounting portion 4b of the guide sleeve 4 is formed.
- the fitting grooves 3f and 3f for mounting the ring-shaped retaining clip 14 for preventing the mounting portion 4b of the guide sleeve 4 from coming off are opposed to the central axis CL1 of the plunger 2 on the opening side. Are formed at symmetrical positions on the same circumference.
- a seal support member 15 is disposed on the cylinder hole bottom side of the large diameter hole 3d.
- the seal support member 15 includes a first cup seal support portion 15a that protrudes into the medium diameter hole 3c, and a liquid passage portion 15c that is disposed in the large diameter hole 3d and includes a liquid hole 15b that communicates with the liquid passage hole 7a.
- the projection 15d protrudes from the inner peripheral portion of the liquid passage portion 15c toward the guide sleeve mounting hole, and the liquid replenishment portion 15e formed on the inner peripheral surface of the liquid passage portion 15c.
- the first cup seal 11 is fitted into the medium diameter hole 3c on the cylinder hole bottom side of the first cup seal support portion 15a.
- the guide sleeve 4 extends to the cylinder hole bottom side from the mounting portion 4b, the cylindrical portion 4c provided with the guide hole 4a, the large-diameter mounting portion 4b provided on the outer periphery of the base end portion of the cylindrical portion 4c. And an extending portion 4d.
- the cylindrical portion 4c has an insertion hole 4e for the plunger actuator 16 at the tip.
- the mounting portion 4b includes a flange portion 4f protruding from the base end portion of the cylindrical portion 4c to the outer peripheral side, and an outer peripheral cylindrical portion 4g extending from the outer peripheral side of the flange portion 4f to the distal end side of the cylindrical portion 4c.
- a conical portion 4h that gradually becomes thinner toward the distal end side is formed on the outer peripheral portion of the distal end of the outer cylindrical portion 4g.
- the extending portion 4d is disposed on the cylinder hole opening side of the seal support member 15, and includes a contact portion 4i that contacts the liquid passage portion 15c, and a second cup seal support portion 4j provided on the inner peripheral side of the contact portion 4i. And a seal member support portion 4k provided on the outer peripheral side of the contact portion 4i.
- the second cup seal 12 is fitted between the second cup seal support portion 4j and the protrusion 15d.
- a seal member 17 is fitted between the seal member support portion 4k and the liquid passage portion 15c of the seal support member 15.
- the plunger 2 opens at the distal end of the plunger, and has a cylindrical recess 2a that houses the magnet 18, a magnet support 2b that protrudes from the center of the cylindrical recess 2a, and a part of the bottom surface of the cylindrical recess 2a.
- a spherical recess that has a liquid passage 2c formed in a concave shape on the side and a through hole 2d formed in the peripheral wall of the liquid passage 2c, and a spherical head 16a of the plunger actuator 16 is mounted on the base end. 2e and a retaining member mounting groove 2f that is provided on the opening side of the spherical recess 2e and that mounts a retaining member 19 that prevents the spherical head portion 16a from coming off.
- the magnet 18 operates a magnet switch for detecting clutch operation, is formed in a ring shape, is accommodated in the cylindrical recess 2a with the magnet support 2b protruding from the center, and protrudes from the magnet 18 The magnet 18 is prevented from coming off by caulking while heating the tip of the magnet support 2b.
- the plunger actuator 16 is inserted through the insertion hole 4e, the spherical head portion 16a is inserted into the spherical recess 2e of the plunger 2, and the retaining member 19 is mounted in the retaining member mounting groove 2f and is prevented from coming off. Thereby, the plunger 2 can move in the cylinder hole 3 a integrally with the plunger actuator 16.
- the mounting bolt 10 includes a male screw portion 10a, an oval head portion 10b, and a retaining flange 10c.
- the vehicle body mounting bracket 9 has a head insertion hole 9a having an oval cross section into which the head 10b can be inserted, and a flange housing recess formed around the head insertion hole 9a and capable of housing the retaining flange 10c. 9b.
- the mounting bolt 10 has the head 10b inserted through the head insertion hole 9a, the retaining flange 10c received in the flange receiving recess 9b, the male threaded portion 10a protruded toward the non-cylinder hole, and the periphery of the flange receiving recess 9b.
- the mounting bolt 10 is prevented from coming off by crimping while heating the predetermined portion P1 on the cylinder hole side.
- Such a hydraulic master cylinder 1 is assembled by inserting the second cup seal 12, the seal support member 15, and the first cup seal 11 in this order from the bottom of the cylinder hole of the plunger 2 to which the magnet 18 is attached, and the guide sleeve.
- the seal member 17 is fitted to the seal member support portion 4k, and the guide sleeve 4 is inserted from the cylinder hole opening side of the plunger 2 to form a unit.
- This unit is inserted into the cylinder body 3, the plunger 2 is inserted into the cylinder hole 3a, the mounting portion 4b of the guide sleeve 4 is inserted into the guide sleeve mounting hole 3e, and the retaining clip 14 is inserted into the fitting grooves 3f, 3f. Is attached to the cylinder body 3.
- the hydraulic master cylinder 1 is attached to the vehicle body by connecting the attachment bolts 10 and 10 to the attachment portion formed on the vehicle body side.
- the plunger 2 together with the plunger actuator 16 is disposed at the position shown in FIG. 1, and the hydraulic chamber 13 has a fluid passage 2c and a through hole 2d.
- the fluid replenishing portion 15e, the fluid hole 15b, the fluid passage hole 7a, and the connector 8 communicate with the reservoir.
- the plunger actuator 16 pushes the plunger 2
- the plunger 2 moves toward the bottom of the cylinder hole, and the through hole 2d is closed by the first cup seal 11, the communication between the hydraulic chamber 13 and the reservoir is established.
- a hydraulic pressure is generated in the hydraulic chamber 13.
- the pressurized hydraulic fluid is supplied to the clutch through the union hole 5a and the hydraulic pipe 6, and at this time, the magnet 18 operates the magnet switch.
- the entire cylinder body 3 is integrally formed of resin using a mold.
- the mold is composed of an outer mold (not shown) that forms the outer surface of the cylinder body 3, and a core that forms the inner surface of the cylinder body 3.
- the core is composed of a first core 21 and a pair of first cores. Two cores 22 and 22 and a pair of third cores 23 and 23 are provided.
- the first core 21 has recesses 21b and 21b that open to the end and outer periphery of the main body 21a at positions corresponding to the pair of fitting grooves 3f and 3f of the main body 21a that forms the inner surface of the cylinder main body 3.
- Each is formed.
- Each second core 22 includes a fitting groove forming portion 22a that forms a fitting groove 3f, and is disposed on the outer periphery of the concave portion 21b, and a knob portion 22b is provided at the end portion.
- Each third core 23 is disposed on the inner peripheral side of the recess 21b, and a knob 23a is provided at the end.
- the first core 21, the second cores 22, 22, and the third cores 23, 23 are arranged in combination in the outer mold, and the molten resin is injected into the mold. .
- the third cores 23 and 23 are extracted, and the second cores 22 and 22 are slid to the inner peripheral sides of the recesses 21b and 21b, respectively, and then the second cores 22 and 22 are moved to the first core 21. Pull out with.
- each of the cores 21 to 23 can be easily extracted, and the cylinder body 3 provided with the fitting groove 3f can be easily manufactured.
- the large-diameter mounting portion 4b provided at the proximal end portion of the guide sleeve 4 is inserted into the guide sleeve mounting hole 3e provided in the cylinder body 3.
- the guide sleeve 4 can be easily attached to the cylinder body 3, and the parts may be damaged. There is no.
- the cylinder body 3 and the guide sleeve 4 are made of resin, there is no risk of corrosion, and the shape of the guide sleeve mounting hole 3e can be easily formed by a molding die and needs to be processed.
- a plunger is arbitrary and the thing which is not equipped with the magnet may be used.
- a union hole may be formed in the inner peripheral wall on the bottom side of the cylinder hole without forming a concave groove in the cylinder axial direction.
- the mounting bolt can be molded on the vehicle body mounting bracket.
- SYMBOLS 1 Hydraulic master cylinder, 2 ... Plunger, 2a ... Cylindrical recessed part, 2b ... Magnet support part, 2c ... Liquid passage, 2d ... Through-hole, 2e ... Spherical recessed part, 2f ... Stopping member mounting groove, 3 ... Cylinder main body, 3a ... Cylinder hole, 3b ... concave groove, 3c ... medium diameter hole, 3d ... large diameter hole, 3e ... guide sleeve mounting hole, 3f ... fitting groove, 4 ... guide sleeve, 4a ... guide hole, 4b ... mounting part, 4c ... cylindrical part, 4d ... extension part, 4e ...
- Stop clip 15 ... Seal support member, 15a ... First cup Seal support part, 15b ... Liquid hole, 15c ... Liquid passage part, 15d ... Projection part, 15e ... Liquid replenishment part, 16 ... Plunger actuator, 16a ... Spherical head, 17 ... Seal member, 18 ... Magnet, 19 ... Stopping 21: first core, 21a: body portion, 21b: recess, 22: second core, 22a: fitting groove forming portion, 22b: picking portion, 23 ... third core, 23a: picking portion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
Description
Claims (3)
- プランジャを挿通するシリンダ孔を備えた樹脂製のシリンダ本体のシリンダ孔開口側に、前記プランジャをガイドするガイド孔を備えたガイドスリーブを取り付けた液圧マスタシリンダのシリンダ本体の製造方法において、前記シリンダ本体は、前記シリンダ孔の開口側に前記ガイドスリーブを装着させる前記シリンダ孔よりも大径のガイドスリーブ取付孔と、該ガイドスリーブ取付孔の開口側で、且つ、プランジャの中心軸に対向して同一円周上に形成される、抜止めクリップを装着する一対の嵌合溝とを備えており、前記シリンダ本体は、外型と中子とを用いて射出成形され、前記中子は、シリンダ本体の内面を形成する本体部の前記一対の嵌合溝に対応する位置に、前記本体部の端部と外周とに開口する凹部をそれぞれ形成した第1中子と、前記嵌合溝を形成する嵌合溝形成部を備え、前記凹部の外周に配置される一対の第2中子と、前記凹部の内周側に配置される一対の第3中子とを備え、前記シリンダ本体を射出成形した後に、前記第3中子を抜き出し、前記第2中子を前記凹部の内周側にスライドさせた後に、前記第2中子を前記第1中子と共に抜き出すことを特徴とする液圧マスタシリンダのシリンダ本体の製造方法。
- プランジャを挿通するシリンダ孔を備えた樹脂製のシリンダ本体のシリンダ孔開口側に、前記プランジャをガイドするガイド孔を備えたガイドスリーブを取り付け、前記シリンダ孔の底部側と前記プランジャの先端面との間に液圧室を画成した液圧マスタシリンダにおいて、前記ガイドスリーブは、前記ガイド孔を備えた円筒部と、該円筒部のシリンダ孔底部側の外周に設けられ、前記円筒部よりも大径の装着部とを備え、前記シリンダ本体は、前記シリンダ孔の開口側に前記装着部を装着させる前記シリンダ孔よりも大径のガイドスリーブ取付孔を備え、該ガイドスリーブ取付孔は、開口側に前記装着部の抜止めクリップを装着する一対の嵌合溝が、プランジャの中心軸に対向して同一円周上に形成されていることを特徴とする液圧マスタシリンダ。
- 前記シリンダ孔の内周壁に、シリンダ軸方向の凹溝が形成され、前記シリンダ孔の底部側に前記凹溝に開口するユニオン孔が形成されていることを特徴とする請求項2記載の液圧マスタシリンダ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380049003.8A CN104718394B (zh) | 2012-09-20 | 2013-09-11 | 液压主缸的缸主体的制造方法 |
BR112015005618-0A BR112015005618B1 (pt) | 2012-09-20 | 2013-09-11 | Método para fabricar um corpo cilíndrico de um cilindro mestre hidráulico |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012206814A JP5806188B2 (ja) | 2012-09-20 | 2012-09-20 | 液圧マスタシリンダのシリンダ本体の製造方法 |
JP2012-206814 | 2012-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014045960A1 true WO2014045960A1 (ja) | 2014-03-27 |
Family
ID=50341274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/074498 WO2014045960A1 (ja) | 2012-09-20 | 2013-09-11 | 液圧マスタシリンダのシリンダ本体の製造方法及び液圧マスタシリンダ |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5806188B2 (ja) |
CN (1) | CN104718394B (ja) |
BR (1) | BR112015005618B1 (ja) |
WO (1) | WO2014045960A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104260716A (zh) * | 2014-07-19 | 2015-01-07 | 芜湖恒坤汽车部件有限公司 | 一种泵用油嘴 |
WO2017140307A1 (de) * | 2016-02-18 | 2017-08-24 | Schaeffler Technologies AG & Co. KG | Kupplungsgeberzylinder |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933127A (ja) * | 1982-08-19 | 1984-02-22 | Aisin Seiki Co Ltd | 樹脂製油圧シリンダ |
JPH0522239U (ja) * | 1991-09-10 | 1993-03-23 | 日信工業株式会社 | リリーフポート弁付マスタシリンダ |
JP2002250365A (ja) * | 2001-02-23 | 2002-09-06 | Aisin Seiki Co Ltd | 車両用マスタシリンダ |
JP2003285729A (ja) * | 2002-03-28 | 2003-10-07 | Nissin Kogyo Co Ltd | センタバルブ型車両用液圧マスタシリンダのピストン |
JP2008126925A (ja) * | 2006-11-24 | 2008-06-05 | Nissin Kogyo Co Ltd | リザーバタンク及びその成形方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2898378B2 (ja) * | 1990-08-28 | 1999-05-31 | 自動車機器株式会社 | マスタシリンダのスリーブ形成方法 |
JP2000185643A (ja) * | 1998-12-24 | 2000-07-04 | Aisin Seiki Co Ltd | マスタシリンダ |
CN201521568U (zh) * | 2009-09-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | 汽车液压离合系统用新型离合主缸总成 |
-
2012
- 2012-09-20 JP JP2012206814A patent/JP5806188B2/ja not_active Expired - Fee Related
-
2013
- 2013-09-11 WO PCT/JP2013/074498 patent/WO2014045960A1/ja active Application Filing
- 2013-09-11 BR BR112015005618-0A patent/BR112015005618B1/pt not_active IP Right Cessation
- 2013-09-11 CN CN201380049003.8A patent/CN104718394B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933127A (ja) * | 1982-08-19 | 1984-02-22 | Aisin Seiki Co Ltd | 樹脂製油圧シリンダ |
JPH0522239U (ja) * | 1991-09-10 | 1993-03-23 | 日信工業株式会社 | リリーフポート弁付マスタシリンダ |
JP2002250365A (ja) * | 2001-02-23 | 2002-09-06 | Aisin Seiki Co Ltd | 車両用マスタシリンダ |
JP2003285729A (ja) * | 2002-03-28 | 2003-10-07 | Nissin Kogyo Co Ltd | センタバルブ型車両用液圧マスタシリンダのピストン |
JP2008126925A (ja) * | 2006-11-24 | 2008-06-05 | Nissin Kogyo Co Ltd | リザーバタンク及びその成形方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104260716A (zh) * | 2014-07-19 | 2015-01-07 | 芜湖恒坤汽车部件有限公司 | 一种泵用油嘴 |
WO2017140307A1 (de) * | 2016-02-18 | 2017-08-24 | Schaeffler Technologies AG & Co. KG | Kupplungsgeberzylinder |
Also Published As
Publication number | Publication date |
---|---|
JP5806188B2 (ja) | 2015-11-10 |
CN104718394A (zh) | 2015-06-17 |
BR112015005618A2 (pt) | 2017-07-04 |
BR112015005618B1 (pt) | 2022-02-08 |
CN104718394B (zh) | 2017-04-26 |
JP2014061739A (ja) | 2014-04-10 |
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