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公开(公告)号：US4995676A
公开(公告)日：1991-02-26
申请号：US450359
申请日：1989-12-08
CPC分类号： B60T11/34 , B60T17/226 , B60T8/26 , B60T8/265
摘要： The positioning ring (44) for a hydraulically operated warning device (80) may be utilized for any hydraulically movable piston or sleeve (52) which, when properly assembled, causes a warning device (80) to effect an initial mode of response. The positioning ring (44) has a reduced inner diameter portion (41) separated from an enlarged inner diameter portion (43) by way of a radial shoulder (42). The enlarged inner diameter portion (43) abuts a shoulder (17) of a surrounding housing (11) and the radial shoulder (42) abuts a shoulder (59) of the piston or sleeve (52). The housing (11) may contain a warning device (80) which engages the piston or sleeve (52) such that if the piston or sleeve (52) is displaced in an axial direction the warning device (80) is operated. Should the centering ring (44) be mis-assembled or not included in the assembly, either the misassembled positioning ring (44) or the lack of the positioning ring ( 44) permits the piston or sleeve (52) to be moved to a position where the warning device (80) is operated to provide an indication that the positioning ring (44) is either misassembled or missing from the assembly.
摘要翻译： 用于液压操作的警告装置（80）的定位环（44）可以用于任何液压可移动的活塞或套筒（52），当适当地组装时，其使警告装置（80）实现初始的响应方式。 定位环（44）具有通过径向肩部（42）与扩大的内径部分（43）分离的减小的内径部分（41）。 扩大的内径部分（43）邻接周围的壳体（11）的肩部（17）并且径向肩部（42）邻接活塞或套筒（52）的肩部（59）。 壳体（11）可以包含与活塞或套筒（52）接合的警告装置（80），使得如果活塞或套筒（52）在轴向方向上移动，则警告装置（80）被操作。 如果定心环（44）错误组装或不包括在组件中，则组装好的定位环（44）或定位环（44）的缺少允许活塞或套筒（52）移动到位置 其中操作警告装置（80）以提供定位环（44）从组件中被错误组装或丢失的指示。
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公开(公告)号：US5016442A
公开(公告)日：1991-05-21
申请号：US385502
申请日：1989-07-27
CPC分类号： G01F23/74 , B60T11/22 , B60T17/226 , G01L19/12 , H01H35/38 , H01H36/0006
摘要： A master cylinder having a housing with a first bore therein for retaining a pair of pistons which move in response to an input force and develop fluid pressure to effect a brake application. A second bore in the housing carries a differential area piston connected to the pressure chambers. A reed switch retained in the housing is aligned with a first magnet located on a float in a reservoir and a second magnet is attached to the differential area piston. A ferromagnetic shield located between the reed switch and second magnet has first and second openings located in a plane on either side of the reed switch. Should a failure occur in either pressure chamber, the differential area piston moves to allow magnetic field to pass through the openings in the shield and activate the reed switch to develop a warning signal and inform an operator of a failure mode condition in the master cylinder.
摘要翻译： 主缸，其具有壳体，其中具有第一孔，用于保持一对响应于输入力移动的活塞并且产生流体压力以实现制动施加。 壳体中的第二孔承载连接到压力室的差动区域活塞。 保持在壳体中的簧片开关与位于储存器中的浮子上的第一磁体对准，并且第二磁体附接到差动区域活塞。 位于舌簧开关和第二磁体之间的铁磁屏蔽具有位于舌簧开关两侧的平面中的第一和第二开口。 如果两个压力室都发生故障，则差动区域活塞移动以允许磁场穿过屏蔽中的开口，并激活簧片开关以产生警告信号，并通知操作者主缸中的故障模式状态。
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公开(公告)号：US5046313A
公开(公告)日：1991-09-10
申请号：US385529
申请日：1989-07-27
CPC分类号： B60T17/226 , B60T17/225
摘要： A master cylinder (12) having a switch (70) which is activated by either a magnet (78) carried by a float (76) in a reservoir (40) or a pin (66) moved by a differential area piston (52). The switch (70) had a first blade (82) connected a source of electrical current (106) through an indicator light (124) and a second blade (88) connected to an electrical ground (114). A reed switch (100) is connected to the first (82) and second (88) blades and responds to the magnet to close an electrical circuit to operate the indicator light (124) if a low fluid level is present in the reservoir (40). A first contact (96) on the first blade (82) is positioned in switch 70 by a non-electrical conductive actuation pin (66) that extends through the housing (22) of the master cylinder (12). A second contact (94) on the second blade ( 88) has a projection (92) that engages the housing (22) of the master cylinder (12) to define a fixed location for the first contact (94) and establish a fixed gap between the first (94) and second (96) contacts. If a pressure differential is created in the master cylinder (12) between the fluid pressure supplied to operate the wheel brakes (18) and (20), the differential area piston (52) moves and brings the second contact (96) into engagement with the first contact (94) to close the electrical circuit and activate the indicator light (124).
摘要翻译： 具有开关（70）的主缸（12）由由容器（40）中的浮子（76）承载的磁体（78）或通过差动区域活塞（52）移动的销（66）来启动的开关 。 开关（70）具有通过连接到电接地（114）的指示灯（124）和第二叶片（88）连接电流源（106）的第一叶片（82）。 簧片开关（100）连接到第一（82）和第二（88）刀片，并响应于磁体以闭合电路以操作指示灯（124），如果液体中存在低液位（40） ）。 第一叶片（82）上的第一接触件（96）通过延伸穿过主缸（12）的壳体（22）的非导电致动销（66）定位在开关70中。 第二叶片（88）上的第二接触件（94）具有与主缸（12）的壳体（22）接合以限定第一接触件（94）的固定位置并建立固定间隙的突起（92） 在第一（94）和第二（96）接触之间。 如果在主缸（12）中在提供用于操作车轮制动器（18）和（20）的流体压力之间产生压差，则差动区域活塞（52）移动并使第二接触件（96）与 所述第一触点（94）关闭所述电路并激活所述指示灯（124）。
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公开(公告)号：US4929033A
公开(公告)日：1990-05-29
申请号：US266964
申请日：1988-11-03
IPC分类号： B60T8/26 , B60T11/16 , B60T11/224 , B60T11/34
CPC分类号： B60T11/224 , B60T11/16 , B60T11/34 , B60T8/265
摘要： The proportioning valve assembly (40, 140) may be screwed into a complementary-shaped opening in a master cylinder (10). The valve assembly (40, 140) includes a differential area piston (50, 150) biased by a spring (70, 170) toward the outlet (21, 121) which communicates with the rear brakes. The master cylinder (10) includes a pair of passageways (16, 18) which communicate primary fluid pressure and secondary fluid pressure directly to the differential area piston (50, 150) of the proportioning valve assembly (40, 140) to displace the piston (50, 150) to a balanced position. If there is a failure of pressure in the primary brake circuit, the proportioning valve assembly (40, 140) actuates the differential area piston (50, 150) to permit fluid flow to bypass the piston (50, 150) and be communicated directly to the rear brakes of the vehicle.
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公开(公告)号：US4821519A
公开(公告)日：1989-04-18
申请号：US67514
申请日：1987-06-29
申请人： Robert F. Gaiser , John E. Steer , Donald A. Crumb
发明人： Robert F. Gaiser , John E. Steer , Donald A. Crumb
摘要： The proportioning valve assembly (40, 140) may be screwed into a complementary-shaped opening in a master cylinder (10). The valve assembly (40, 140) includes a differential area piston (50, 150) biased by a spring (70, 170) toward the outlet (21, 121) which communicates with the rear brakes. The master cylinder (10) includes a pair of passageways (16, 18) which communicate primary fluid pressure and secondary fluid pressure directly to the differential area piston (50, 150) of the proportioning valve assembly (40, 140) to displace the piston (50, 150) to a balanced position. If there is a failure of pressure in the primary brake circuit, the proportioning valve assembly (40, 140) actuates the differential area piston (50, 150) to permit fluid flow to bypass the piston (50, 150) and be communicated directly to the rear brakes of the vehicle.
摘要翻译： 比例阀组件（40,140）可以拧入主缸（10）中的互补形状的开口中。 阀组件（40,140）包括通过与后制动器连通的出口（21,121）偏置的弹簧（70,170）的差动区域活塞（50,150）。 主缸（10）包括一对通道（16,18），其将初级流体压力和次级流体压力直接连接到比例阀组件（40,140）的差动区域活塞（50,150），以使活塞 （50,150）到平衡位置。 如果主制动回路中存在压力失败，则比例阀组件（40,140）致动差动区域活塞（50,150），以允许流体流动绕过活塞（50,150）并直接连通 车辆的后制动器。
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公开(公告)号：US4908522A
公开(公告)日：1990-03-13
申请号：US274078
申请日：1988-11-21
申请人： Donald A. Crumb , Robert F. Gaiser , John E. Steer
发明人： Donald A. Crumb , Robert F. Gaiser , John E. Steer
摘要： A proportioning valve (40) is disposed within a stepped bore (13) of a master cylinder (10). The proportioning valve (40) defines with the stepped bore (13) a primary pressure receiving chamber (26) and a secondary pressure receiving chamber (28). The proportioning valve (40) includes a two-part piston (58) which includes a primary piston part (52) and a secondary piston part (54) coupled together by a lost motion coupling (53, 55). The piston parts (52, 54) are biased apart by a spring (78), and a sleeve (43) is disposed about the two-part piston (50). Seals (46, 47, 69) are disposed about the primary piston part (52), sleeve (43) and secondary piston part (54) to define an intermediate vented chamber (90), wherein a vent (19) communicates with a reservoir. Pressure failure within the primary receiving chamber (26) causes the primary piston part (52) to be displaced and close off the vent (19 ) so that fluid pressure is trapped within the intermedaite chamber (90) to prevent the secondary piston part (54) from effecting the metering of fluid flow through an outlet (21).
摘要翻译： 比例阀（40）设置在主缸（10）的阶梯孔（13）内。 配比阀（40）用阶梯孔（13）限定一个初级压力接收室（26）和二级压力接收室（28）。 比例阀（40）包括两部分活塞（58），其包括主活塞部分（52）和通过空转联接（53,55）联接在一起的次级活塞部分（54）。 活塞部分（52,54）被弹簧（78）偏压，并且套筒（43）围绕两部分活塞（50）设置。 密封件（46,47,69）围绕主活塞部件（52），套筒（43）和次级活塞部件（54）设置以限定中间通气室（90），其中通风口（19）与储存器 。 主接收室（26）内的压力故障导致主活塞部分（52）移动并且关闭通气孔（19），使得流体压力被捕获在中间腔室（90）内以防止次级活塞部件（54） ）来实现通过出口（21）的流体流量计量。
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7.发明授权Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch 失效多部分主压力平衡比例阀，带制动压力故障开关
公开(公告)号：US4815292A
公开(公告)日：1989-03-28
申请号：US160784
申请日：1988-02-18
CPC分类号： B60T11/16 , B60T11/20 , B60T11/34 , B60T8/1831 , B60T8/1881 , B60T8/26 , B60T8/265
摘要： The proportioning valve assembly may be screwed into a complementary-shaped opening in a master cylinder. The valve assembly includes a differential area piston biased by a spring toward the outlet which communicates with the rear brakes. The master cylinder includes a pair of passageways which communicate primary fluid pressure and secondary fluid pressure directly to the differential area piston of the proportioning valve assembly to displace the piston to a balanced position. If there is a failure of pressure in the primary brake circuit, the proportioning valve assembly actuates the differential area piston to permit fluid flow to bypass the piston and be communicated directly to the rear brakes of the vehicle. Upon failure, a differential area sleeve surrounding the piston moves to actuate an electrical failure warning switch.
摘要翻译： 配比阀组件可以拧入主缸中的互补形状的开口中。 阀组件包括一个由弹簧偏压到与后制动器连通的出口的差动区域活塞。 主缸包括一对通道，其将初级流体压力和次级流体压力直接传递到比例阀组件的差动区域活塞，以将活塞移动到平衡位置。 如果主制动回路中存在压力失败，则比例阀组件致动差动区域活塞以允许流体流动绕过活塞并直接连接到车辆的后制动器。 当故障时，围绕活塞的差动区域套筒移动以致动电故障警告开关。
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公开(公告)号：US4843820A
公开(公告)日：1989-07-04
申请号：US187720
申请日：1988-04-29
申请人： Robert F. Gaiser , Donald A. Crumb
发明人： Robert F. Gaiser , Donald A. Crumb
IPC分类号： B60T11/224
CPC分类号： B60T11/224
摘要： The brake system in-line fast fill valve (10) of the present invention comprises a valve housing (12) which may be threadably inserted within the body of a master cylinder so that an inlet (28) at one end of the fast fill valve (10) communicates with an outlet (39) from a pressure chamber (33) of the master cylinder (30). The valve housing (12) includes a stepped bore (22) having a differential area fast fill piston (40) receiving slidably therein a poppet piston (60). A first seal (50) is disposed about a reduced diameter portion (46) of the fast fill piston (40) and axially opposite a second seal (52) disposed at an enlarged diameter end (48) of the fast fill piston (40). The second seal (52) is received about a second radially enlarged end (62) of the poppet piston (60), the poppet piston (60) extending through the fast fill piston (40) and an end opening (44 ) within the fast fill piston (40), with a third seal (56) disposed about a first poppet end (66) and abutting a reduced diameter end (42) of the fast fill piston (40). A first spring (72) biases the poppet piston (60) into engagement with the fast fill piston (40), and a second spring (74) extends between a second radially enlarged end (68) of the poppet piston (60) and a radial wall (23) of said stepped bore (22). The enlarged ends (48, 68) of the pistons (40, 60) are disposed within a fast fill chamber (24) which communicates with an outlet (20) of the fast fill valve housing (12). The fast fill valve (10) effects a quick transmittal of fluid to a brake piston, and effects a slight delay in the transmission of higher pressure to the brake so that the fast fill valve (10) function as a hold-off valve.
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公开(公告)号：US5136847A
公开(公告)日：1992-08-11
申请号：US722040
申请日：1991-06-27
申请人： Richard A. Zander , Donald A. Crumb
发明人： Richard A. Zander , Donald A. Crumb
IPC分类号： B60T11/26
CPC分类号： B60T11/26
摘要： A cap for a reservoir of a master cylinder having a disc member with a plurality of perpendicular guides located on a fixed radius from the center of the disc member for aligning a cylindrical body secured thereto. The cylindrical body has an annular flange with a tapered peripheral surface thereon extending from an edge of a shoulder formed adjacent the annular flange. A diaphragm has an annular base connected to an apex section by a first conical leg and a center section connected to the apex section by a second conical leg. The diaphragm has a plurality of ribs that engage the disc member when an annular lip is located on a shoulder of the cylindrical body. When inwardly projecting tabs on the annular edge of the disc engage corresponding arcuate projections extending from the cylindrical neck to fix the cap to the reservoir, the tapered peripheral surface on the flange of the cylindrical member engage the first conical leg to provide a radial force which urges the first conical leg into engagement with the cylindrical neck of the reservoir to form the primary sealing for the reservoir while the plurality of ribs are compressed between the disc and and top of the cylindrical neck to from the secondary sealing for the reservoir.
摘要翻译： 用于主缸的容器的盖，其具有盘构件，所述盘构件具有多个垂直的引导件，所述多个垂直引导件位于与盘构件的中心固定的半径上，用于使固定到其上的圆柱体对准。 圆柱形主体具有环形凸缘，其上具有锥形周向表面，其从邻近环形凸缘形成的肩部的边缘延伸。 隔膜具有通过第一锥形腿连接到顶点部分的环形基部和通过第二锥形腿连接到顶点部分的中心部分。 当环形唇缘位于圆柱体的肩部上时，隔膜具有多个与盘构件接合的肋。 当在盘的环形边缘上向内突出的突片接合从圆柱形颈部延伸的相应弓形突起以将盖固定到储存器时，圆柱形构件的凸缘上的锥形外周表面接合第一锥形支腿以提供径向力， 促使第一锥形腿与储存器的圆柱形颈部接合以形成用于储存器的主要密封件，同时多个肋在盘和圆柱形颈部顶部之间被压缩以从储存器的次级密封件压缩。
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10.发明授权Method for making a proportioning valve having a unitary poppet valve assembly 失效制造具有单一提升阀组件的比例阀的方法
公开(公告)号：US4903387A
公开(公告)日：1990-02-27
申请号：US227946
申请日：1988-08-03
IPC分类号： B60T8/26
CPC分类号： B60T8/265 , Y10T137/7808 , Y10T137/7834 , Y10T29/49314 , Y10T29/49412
摘要： The unitary poppet valve assembly (50) comprises an annular retainer (52) having an open end (54) and an opposite end (55) with a small diameter opening (56) therein. The annular retainer (52) has a plurality of fingers (58) extending laterally therefrom for engagement with the body (12) of a proportioning valve assembly (10). A poppet (70) comprises a poppet head (72) extending radially outwardly from a longitudinal shaft (74), and an oppositely disposed abutment (76). The shaft (74) extends slidably through the small diameter opening (56) in the annual retainer (52), the abutment (76) engaging the retainer (52) adjacent the opening (56). A spring (60) is disposed between a corner or shoulder (57) of the annular retainer (52) and a shoulder (77) defined between the poppet head (72) and poppet shaft (74). The poppet (70) includes a central through opening (78) extending through the abutment (76) and to the head (72), wherein the opening (78) communicates with a lateral through opening (80) of the shaft (74). The unitary poppet valve assembly (50) may be inserted directly within an inlet opening (13) of the proportioning valve assembly (10) so that the fingers (58) engage the body (12) of the proportioning valve assembly (10).
摘要翻译： 整体式提升阀组件（50）包括具有开口端（54）和在其中具有小直径开口（56）的相对端（55）的环形保持器（52）。 环形保持器（52）具有从其横向延伸的多个指状物（58），用于与配比阀组件（10）的主体（12）接合。 提升阀（70）包括从纵向轴（74）径向向外延伸的提升头（72）和相对设置的支座（76）。 轴（74）可滑动地延伸穿过年度保持器（52）中的小直径开口（56），邻接件（76）与邻近开口（56）的保持器（52）接合。 弹簧（60）设置在环形保持器（52）的角部或肩部（57）和限定在提升头（72）和提升轴（74）之间的肩部（77）之间。 提升头（70）包括延伸通过邻接部（76）和头部（72）的中心通孔（78），其中开口（78）与轴（74）的横向通过开口（80）连通。 整体式提升阀组件（50）可以直接插入在配比阀组件（10）的入口（13）内，使得指状物（58）接合配比阀组件（10）的主体（12）。
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