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21. 发明专利

JPS52136418A GAS CONTROL ONEEWAY VALVE 失效
公开(公告)号：JPS52136418A
公开(公告)日：1977-11-15
申请号：JP5409476
申请日：1976-05-12
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI
IPC分类号： F16K15/02

22. 发明专利

JPS6121854A Tandem master cylinder 失效
标题翻译： TANDEM MASTER CYLINDER
公开(公告)号：JPS6121854A
公开(公告)日：1986-01-30
申请号：JP14118784
申请日：1984-07-06
申请人： Aisin Seiki Co Ltd
发明人： FURUTA YOUICHI , NAKAMURA KAORU
IPC分类号： B60T11/20 , B60T11/16
CPC分类号： B60T11/16
摘要： PURPOSE:To reduce the cost through reduction of the weight by constructing the cylinder of tandem master cylinder with a metal mold and a resin mold while constructing the large diameter section of cylinder with resin mold. CONSTITUTION:After leftward motion of first piston 20 and before opening of a check valve 15, the working oil in first chamber R1 is fed through a piston cup 21 into second chamber R2 by the amount corresponding with the differential moving volume between the large and small diameter sections 20b, 20a thus to achieve fast fill function. Since the cylinder 10 is constructed with a metal mold 11 and a resin mold 12 while the large diameter or rear section of the cylinder 10 is constructed with a resin mold 12, the weight can be reduced while the inner hole 11i can be made linear and shortened thus to reduce the cost. While a stopper is constructed by the inner wall face S of an inward flange 12b thus to prevent falling.
摘要翻译：目的：通过使用金属模具和树脂模具构建串联主缸的气缸，同时用树脂模具构建圆筒的大直径部分，通过减轻重量来降低成本。构成：在第一活塞20向左运动并且在打开止回阀15之前，第一室R1中的工作油通过活塞杯21进入第二室R2中与大小之间的差动运动量对应的量从而实现快速填充功能。由于气缸10由金属模具11和树脂模具12构成，而气缸10的大直径或后部由树脂模具12构成，所以能够减小重量，同时可以使内孔11i成直线状，缩短了成本。而止动件由向内凸缘12b的内壁面S构成，从而防止下落。

23. 发明专利

JPS58218462A Piston retreat edge positioning apparatus of master cylinder 失效
标题翻译：主缸的活塞回流边缘定位装置
公开(公告)号：JPS58218462A
公开(公告)日：1983-12-19
申请号：JP10179782
申请日：1982-06-14
申请人： Aisin Seiki Co Ltd
发明人： FURUTA YOUICHI , NAKAMURA KAORU
IPC分类号： B60T11/18 , B60T11/22
CPC分类号： B60T11/22
摘要： PURPOSE:To reduce the necessary number of parts in the captioned apparatus which is suitably used in installation onto the steering wheel of a motor-cycle, by restricting the position of the rear edge of a piston through utilization of a cylindrical retainer installed at the outside edge part of the piston. CONSTITUTION:A master cylinder 10 pressurizes brake liquid and feeds it to a brake apparatus by turning a manual operating lever 19 around a pin 18 and pushing a piston 12 inside a cylinder body 10A against a spring 11. In this case, positioning is performed by keeping the peripheral edge part 13a on one edge of a cylindrical boot 13 which is made of synthetic rubber and of which the other edge is fixed onto the outer edge part of the piston 12, between the inner circumferential edge part 22 of a cylindrical retainer 20 inserted into the large diameter inner hole 10b of the cylinder body 10A and the annular stepped part 10c of the cylinder body 10A. The position of the retreat edge of the piston 12 is restricted by the peripheral edge part 13a of the boot 13. Further, positioning of the retainer 20 is performed by engaging the hook 23 of the retainer 20 with the stepped part of the cylinder body 10A.
摘要翻译：目的：通过利用安装在外部的圆柱形保持架来限制活塞的后边缘的位置，减少了适用于电动循环方向盘上的适合使用的字幕设备中的必要数量的部件活塞的边缘部分。构成：主缸10通过将手动操作杆19绕销18旋转并将缸体10A内的活塞12压靠在弹簧11上而将制动液体加压并将其送入制动装置。在这种情况下，定位由将周缘部13a保持在由合成橡胶制成并且另一边缘固定在活塞12的外缘部分上的圆筒形护罩13的一个边缘上，在圆柱形保持器20的内周边缘部分22之间插入缸体10A的大直径内孔10b和缸体10A的环状台阶部10c。活塞12的后退位置由靴子13的周缘部13a限制。另外，保持器20的定位是通过将保持器20的钩23与筒体10A的台阶部分。

24. 发明专利

JPS58214451A Piston boot fixing device for master cylinder 失效
标题翻译：用于主缸的活塞引导固定装置
公开(公告)号：JPS58214451A
公开(公告)日：1983-12-13
申请号：JP9907382
申请日：1982-06-09
申请人： Aisin Seiki Co Ltd
发明人： FURUTA YOUICHI , NAKAMURA KAORU
IPC分类号： B60T11/16
CPC分类号： B60T11/16
摘要： PURPOSE:To provide simple and positive fixing of boot by a method wherein one end of the boot fixed to the outer end of a piston is forcedly brought in contact with and fixed to a step between a cylindrical retainer and a step of inner hole in a cylinder, and a hook of the retainer is engaged with and fixed to the step of a main body of the cylinder. CONSTITUTION:A circumferential edge 13a at one end of a cylindrical boot 13 having the other end fixed to an outer end of a piston 12 is forcedly brought in contact and fixed to an annular stepped part between a large diameter inner hole 10a and a small diameter inner hole 10b of a cylinder body 10A by an inner end 20a of a cylindrical retainer 20 made of synthetic resin fitted to the large diameter inner hole 10b of the main body 10A of the cylinder. The cylindrical retainer 20 is formed with a hook 23, and when the cylindrical retainer 20 is fitted in the inner hole 10b, the hook 23 is engaged with and fixed to a stepped part 24 formed along the outer circumferential wall of the main body 10A of the cylinder to set positioning of the cylindrical retainer 20. To the outer surface of said hook 23 is abutted a rotating end 19b of a manual operating lever 19 and then a damage of the main body 10A of the cylinder caused by a striking contact of the rotating end 19b can be prevented.
摘要翻译：目的：通过一种方法来提供靴子的简单和积极的固定，其中固定到活塞的外端的靴子的一端被强制地与圆柱形保持器和位于活塞的内孔的台阶之间的台阶接触并固定气缸，并且保持器的钩与气缸的主体的台阶接合并固定。构成：具有固定在活塞12的外端的另一端的圆筒套13的一端的圆周边缘13a被强制地接触并固定在大直径内孔10a和小直径之间的环形阶梯部分缸体10A的内孔10b由合成树脂制成的圆柱形保持器20的内端20a安装在气缸主体10A的大直径内孔10b上。圆柱形保持器20形成有钩23，并且当圆柱形保持器20装配在内孔10b中时，钩23与沿主体10A的主体10A的外周壁形成的阶梯部24接合并固定圆柱体用于设置圆柱形保持器20的定位。对于所述钩23的外表面与手动操作杆19的旋转端19b抵接，然后由于撞击接触引起的气缸主体10A的损坏可以防止旋转端19b。

25. 发明专利

JPS57158155A MANUFACTURING METHOD OF MASTER CYLINDER BODY 失效
公开(公告)号：JPS57158155A
公开(公告)日：1982-09-29
申请号：JP4436581
申请日：1981-03-26
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI , TSUGAI MASASHI
IPC分类号： B22D17/00 , B22D17/24 , B60T11/16 , F16J10/00
摘要： PURPOSE:To make sure the sealing of a connection between an insert and a cylinder body by calking firmly a plug onto the innermost end face of a the insert and pressing a seal member into a connection port of a wheel cylinder. CONSTITUTION:A light metal alloy insert 1 is integrally molded within a master cylinder body 2 of light metal alloy according to a die casting process and each connection port 4 is formed. next, a plug 5 made of light metal alloy is inserted into a hollow member 7 of the insert 1 so as to place it at the innermost end wall face 6 of the hollow portion of the master cylinder body 2. The outer circumferential edge portion of the plug 5 is calked into an inner circumference of the innermost end 8 of the insert 1 so that a complete sealing can be attained between the innermost end portions of the insert 1 and the cylinder body 2. Further, a seal member 12 provided with an expanded portion is pressed into the connection ports 4 to the wheel cylinder and consequently the connection between the insert and the cylinder body 2 can be sealed on a sealing slant face 13 of the seal member 12.

26. 发明专利

JPS56120442A BRAKE BOOSTER FOR AUTOMOBILE 失效
公开(公告)号：JPS56120442A
公开(公告)日：1981-09-21
申请号：JP2454980
申请日：1980-02-27
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI , OOMI ATSUSHI , KOBAYASHI HIDEYUKI
IPC分类号： B60T13/56 , B60T13/52
摘要： PURPOSE:To enable the reduction of the weight of a housing, by providing such constitution that load due to the reaction force of a master cylinder on the housing can be greatly decreased. CONSTITUTION:A brake booster comprises a master cylinder 22, a housing 21 whose interior is divided into two chambers 43, 44 by a diaphragm piston 27, a pressurizing piston 23 and a control valve 29 which is interlocked with a brake pedal and regulates the communication of the chambers 43, 44 etc. A cylindrical section 50 is integrally provided in the center of the body 25 of the housing 21 so that the cylindrical section 50 extends through the housing 21. Several windows 60 are opened in the wall of the cylindrical section 50. The hook 55a of a transmission member 54 is engaged with a retainer 55 through the window 60. A compressed sping 45 is borne by the retainer 55 to operationally connect the piston 27 with the control valve 29.

27. 发明专利

JPS54145024A CHECK VALVE 失效
公开(公告)号：JPS54145024A
公开(公告)日：1979-11-12
申请号：JP5309278
申请日：1978-05-02
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI
IPC分类号： F16L55/00 , F16K15/14

28. 发明专利

JPS53123777A BOOSTER 失效
公开(公告)号：JPS53123777A
公开(公告)日：1978-10-28
申请号：JP3783877
申请日：1977-04-01
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI
IPC分类号： B60T13/56 , B60T13/52
摘要： PURPOSE:To shorten the axial length of a device by arranging in one side of a booster housing an input/output member connected to input/output means.

29. 发明专利

JPS58191663A Tandem master cylinder 失效
标题翻译： TANDEM MASTER CYLINDER
公开(公告)号：JPS58191663A
公开(公告)日：1983-11-08
申请号：JP7354782
申请日：1982-04-30
申请人： Aisin Seiki Co Ltd
发明人： FURUTA YOUICHI
IPC分类号： B60T11/224 , B60T11/20
CPC分类号： B60T11/20
摘要： PURPOSE:To prevent a seal from being marred by a structure wherein a rod part, which protrudes outside a body, is provided to a primary piston so as to allow to slide only with the seal fixed within the opening end part of a cylinder bore. CONSTITUTION:An annular stopper 16, which determines the return position of the primary piston 12 by abutting against the land part 12a of the primary piston 12, and the seal 17 are arranged within the opening end part of the cylinder bore 11 of the body 10 and fixed to the body 10 by means of a snap ring 18. Furthermore, the rod part 12b, which protrudes outside the body 10, is provided to the primary piston 12 and said seal 17 slidingly contacts with the outer peripheral surface of the rod 12b. On the other hand, the right end of a rod 24, on the left end of which a radially grooved swollen diametral part 24a is formed, is fixed to the primary piston 12. At the same time, the swollen diametral part 24a is slidably fitted onto the smaller diametral part of the stepped center bore 25 of a secondary piston 13.
摘要翻译：目的：为了防止密封件被其中突出在主体外部的杆部件提供到主活塞的结构而损坏，以便仅当密封件固定在气缸孔的开口端部内时才能滑动。构成：通过抵靠主活塞12的陆部12a和密封件17来确定主活塞12的返回位置的环形止动件16布置在主体10的气缸孔11的开口端部内并且通过卡环18固定到主体10.此外，突出在主体10外侧的杆部12b设置在主活塞12上，并且所述密封件17与杆12b的外周面滑动接触。另一方面，在其左端部形成有径向开槽的肿胀直径部分24a的杆24的右端固定到主活塞12上。同时，膨胀的直径部分24a可滑动地安装到次级活塞13的阶梯式中心孔25的较小的直径部分上。

30. 发明专利

JPS5671661A BRAKE BOOSTER FOR AUTOMOBILE 失效
公开(公告)号：JPS5671661A
公开(公告)日：1981-06-15
申请号：JP14589679
申请日：1979-11-09
申请人： AISIN SEIKI
发明人： FURUTA YOUICHI
IPC分类号： B60T13/56 , B60T13/57
摘要： PURPOSE:To prevent fatigue and early breakage of a pressure plate due to a repeated stress resulting from the repetition of braking, by a method wherein a differential of a transmission member to a piston is reduced in comparison with a differential of an air valve to the piston. CONSTITUTION:Even if the air valve 11 moves widely backward to the right resulting from the operation of the valve when braking is released, the backward movement of the transmission member 30 located between the air valve 11 and the pressure plate 29 is limited to a small distance C by means of a toroidal stepped part 26b. That is, the backward stroke of the transmission member 30 toward the piston is short. Thus, a large deformation is not produced between a part where the pressure plate 29 contacts the transmission member 30 and a part where said part contacts a stepped part 26c of an outer circumference. This permits the protection of the fatigue and the early breakage of the pressure plate 29 due to a repeated stress resulting from the repetition of braking.

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