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公开(公告)号：US5593296A
公开(公告)日：1997-01-14
申请号：US602389
申请日：1996-02-16
摘要： A gerotor motor of the valve-in-star type in which the star (27) is disposed adjacent a stationary valve plate (15). The stationary valve plate (15) defines a plurality N+1 of valve passages (69), extending through the valve plate. On the surface (73) of the valve plate (15) adjacent the endcap member (14), the valve plate defines a plurality of pressure relieving recesses (79), each one being disposed between a pair of adjacent valve passages (69). Each of the recesses (79) is in fluid communication with an O-ring groove (81), which is at low pressure. Thus, any leakage from a high pressure passage (69) to an adjacent low pressure passage (69) is received within the intervening relieving recess (79), substantially eliminating any separating forces between the endcap member (14) and the stationary valve plate (15) This results in substantially improved volumetric efficiency of the motor at higher pressure differentials.
摘要翻译： 星形阀（27）的摆动马达，其中星形物（27）邻近固定阀板（15）设置。 固定阀板（15）限定多个N + 1个阀通道（69），延伸穿过阀板。 在邻近端盖构件（14）的阀板（15）的表面（73）上，阀板限定了多个减压凹槽（79），每个减压凹槽（79）均设置在一对相邻的阀通道（69）之间。 每个凹部（79）与处于低压的O形环槽（81）流体连通。 因此，从高压通道（69）到相邻的低压通道（69）的任何泄漏都被接纳在中间的缓冲凹槽（79）内，基本上消除了端盖构件（14）和固定阀板 这导致在较高压力差下马达的体积效率显着提高。
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2.发明授权
公开(公告)号：US5009582A
公开(公告)日：1991-04-23
申请号：US391803
申请日：1989-08-09
申请人： Marvin L. Bernstrom
发明人： Marvin L. Bernstrom
摘要： An improved gerotor device is disclosed, usable as either a pump or a motor, of the type including a gerotor gear set (17), and a movable valve member which may have either purely rotary motion (55), or may have both orbital and rotational motion (127). The valve member defines two groups of valve ports (63,65; 163,165) communicating with an inlet port (57) and an outlet port (61). The movable valve member is in sliding, sealing valving action with and an adjacent stationary valve plate (19'; 119') which defines a set of stationary fluid passages (67a-67g; 167a-167i) which communicate with the gerotor volume chambers (29a-29g). The stationary valve plate, in accordance with the invention, also defines a plurality of secondary fluid passages (77a-77g; 177a-177i) each of which is diametrically opposite one of the primary fluid passages (67a-67g; 167a-167i). The primary and secondary fluid passages are interconnected by cut-out portions within the stationary valve plate, defining fluid passages (81a-81g; 181a-181i), thus effectively doubling the orifice area during valving action, and substantially reducing the no-load pressure drop when the device is being used as a motor, or substantially reducing the tendency toward cavitation when the device is used as a pump.
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公开(公告)号：US4715798A
公开(公告)日：1987-12-29
申请号：US7882
申请日：1986-01-28
申请人： Marvin L. Bernstrom
发明人： Marvin L. Bernstrom
CPC分类号： F04C2/105
摘要： A rotary fluid pressure device is disclosed of the type including a gerotor gear set including a ring member (19) and a star member (23). Both manifold valving and commutator valving are accomplished at an interface between an end surface (42) of the star (23) and an end surface (41) of an endcap member (17). The endcap (17) defines three concentric pressure chambers (43), (51) and (47), and the star defines three concentric manifold zones (63), (67), and (65) which are in continuous communication with the pressure chambers (43), (51) and (47), respectively. The various manifold zones (63), (67), and (65) defined by the star communicate with fluid ports (69), (77) and (73), respectively which are also defined by the end surface (b 42) of the star (23). A valve spool (97) is selectively operable between a first condition providing communication between the manifold zones (63) and ( 67) to achieve a low-speed, high-torque (LSHT) mode of operation, and a second condition providing communication between the manifold zones (67) and (65) to achieve a high-speed, low-torque (HSLT) mode of operation.
摘要翻译： 公开了一种旋转流体压力装置，其包括具有环形构件（19）和星形构件（23）的摆轮齿轮组。 歧管阀门和换向器阀门都是在星形件（23）的端面（42）和端盖件（17）的端面（41）之间的界面处完成的。 端盖（17）限定三个同心压力室（43），（51）和（47），并且星形限定了与压力连续连通的三个同心歧管区域（63），（67）和（65） 室（43），（51）和（47）。 由星形限定的各种歧管区域（63），（67）和（65）分别与流体端口（69），（77）和（73）连通，这些流体端口也分别由端部表面（b 42） 星（23）。 阀芯（97）可选择性地在提供歧管区域（63）和（67）之间的连通的第一状态之间操作，以实现低速，高扭矩（LSHT）操作模式，以及第二状态， 歧管区域（67）和（65），以实现高速，低扭矩（HSLT）操作模式。
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公开(公告)号：US6126424A
公开(公告)日：2000-10-03
申请号：US081248
申请日：1998-05-19
CPC分类号： F01C1/084 , F04C15/0049 , F04C2/106
摘要： A rotary fluid pressure device (11) comprising a gerotor motor of the type including a spool valve member (51) cooperating with a housing (13) to define a nominal valve overlap (X). The motor has a drive shaft (53) for transmitting the rotational movement of a gerotor star (27) to the spool valve member (51) and output shaft (49), such that, under high torque loads, the drive shaft (53) is subjected to drive twist, which would normally effect valve timing. In accordance with the invention, the spool valve member (51) and the housing are provided with a valve overlap (Y) which is substantially greater than the nominal overlap (X). The star (27) defines, on its profile (85), first (87) and second (89) recesses which permit communication between the minimum (30) and maximum (32) volume transition chambers and the respective expanding (29) and contracting (31) volume chambers (FIG. 8). The result is an improvement in both mechanical and volumetric efficiency, as well as smoother operation at low speed and high pressure.
摘要翻译： 一种旋转流体压力装置（11），包括一种类型的摆线马达，包括与壳体（13）配合以限定标称阀重叠（X）的滑阀构件（51）。 电动机具有驱动轴（53），用于将转子星（27）的旋转运动传递到滑阀构件（51）和输出轴（49），使得在高扭矩负载下，驱动轴（53） 受到驱动扭矩，这通常会影响阀门正时。 根据本发明，滑阀构件（51）和壳体设置有大体积大于标称重叠（X）的阀重叠（Y）。 星形（27）在其轮廓（85），第一（87）和第二（89）凹槽上限定允许最小（30）和最大（32）体积过渡室之间的连通以及相应的膨胀（29）和收缩 （31）容积室（图8）。 结果是机械和体积效率的改善，以及在低速和高压下的更平稳的操作。
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公开(公告)号：US4756676A
公开(公告)日：1988-07-12
申请号：US103853
申请日：1987-10-02
申请人： Marvin L. Bernstrom
发明人： Marvin L. Bernstrom
CPC分类号： F04C2/105
摘要： A rotary fluid pressure device of the type including a gerotor gear set (115) including a ring member (119) and a star (123). Adjacent to the gerotor set are endcap members (117) each having an end surface (141) in engagement with an adjacent end surface of the star. The disclosed invention relates to valve-in-star type valving whereby both the manifold valving action and the commutating valving action occur at the interfaces of the end surfaces of the star and endcap members. Specifically, fluid is communicated from the inlet port (137) in one endcap member through an annular fluid pressure chamber (143) into a manifold zone (157) defined by the star, then through a passage (165) into a fluid port (161). The fluid ports are in commutating fluid communication with a plurality of stationary valve passages (151) define by the endcap member, each of which is in communication with one of the gerotor volume chambers. Similar passages (151), ports (163), passages (167), manifold zone (159), and pressure chamber (147 ) communicate the gerotor volume chambers with the outlet port (139) in the other endcap member.
摘要翻译： 一种旋转流体压力装置，其包括包括环形构件（119）和星形物（123）的摆轮齿轮组（115）。 与齿轮组相邻的是端盖构件（117），每个端盖构件具有与星形的相邻端面接合的端面（141）。 所公开的发明涉及阀 - 星型阀门，其中歧管阀门作用和换向阀动作都发生在星形和端盖构件的端面的界面处。 具体地，流体从一个端盖构件中的入口端口（137）通过环形流体压力室（143）连通到由恒星限定的歧管区域（157）中，然后通过通道（165）进入流体端口（161） ）。 流体端口与由端盖构件限定的多个静止阀通道（151）换向流体连通，端壁构件中的每一个与齿轮容积室中的一个连通。 类似的通道（151），端口（163），通道（167），歧管区域（159）和压力室（147）将转子容积室与另一个端盖构件中的出口端口139连通。
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公开(公告)号：US4741681A
公开(公告)日：1988-05-03
申请号：US858151
申请日：1986-05-01
申请人： Marvin L. Bernstrom
发明人： Marvin L. Bernstrom
CPC分类号： F04C2/105
摘要： A rotary fluid pressure device of the type including a gerotor gear set (15) including a ring member (19) and a star (23). Adjacent the gerotor set is an endcap member (17) having an end surface (41) in engagement with the adjacent end surface (42) of the star. The disclosed invention relates to valve-in-star type valving whereby both the manifold valving action and the commutating valving action occur at the interface of the surfaces (41) and (42). Specifically, fluid is communicated from the inlet port (37) through a pressure chamber (43) into a manifold zone (57) defined by the star, then through a passage (65) into fluid port (61). The ports (61) are in commutating fluid communication with a plurality of stationary valve passages (51) defined by the endcap member (17), each of which is in communication with one of the gerotor volume chambers.
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公开(公告)号：US4613292A
公开(公告)日：1986-09-23
申请号：US697596
申请日：1985-02-01
摘要： A rotary fluid pressure device is provided of the type in which a valve spool (47) is axially movable within a spool bore (35). In the normal operating position of the valve spool (47), torque output is transmitted from the gerotor gear set (17) by means of a main drive shaft 53 through one spline connection (51, 49) then through a second spline connection (49, 75) to the output device. The valve spool (47) may be moved axially to a position in which the second spline connection (49, 54) is disengaged, and the device operates in a free-wheel mode. The valve spool (47) may also be moved axially to a position in which a set of teeth (71) on the valve spool engage a set of teeth (69) on the stationary housing, such that the device operates in a locked mode.
摘要翻译： 一种旋转流体压力装置，其中阀芯（47）可在阀芯孔（35）内轴向移动。 在阀芯（47）的正常操作位置，扭矩输出通过主驱动轴53通过一个花键连接（51,49）从齿轮齿轮组（17）传递，然后通过第二花键连接（49 ，75）输出到输出设备。 阀芯（47）可以轴向移动到第二花键连接（49,54）脱离的位置，并且该装置以自由轮模式操作。 阀芯（47）也可以轴向移动到阀芯上的一组齿（71）与固定壳体上的一组齿（69）接合的位置，使得该装置以锁定模式工作。
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公开(公告)号：US6099280A
公开(公告)日：2000-08-08
申请号：US291671
申请日：1999-04-14
摘要： A two-speed gerotor motor of the type having a stationary valve member (19) defining a plurality of stationary valve passages, each including an upstream passage portion for commutating fluid communication with a moveable valve member (43), and a downstream passage portion in continuous fluid communication with a volume chamber (33) of the gerotor gear set. In some of the stationary valve passages (113), the upstream (115) and downstream (117) passage portions are blocked from direct fluid communication. A control valve spool (89) has a first position (FIG. 8) permitting unrestricted fluid communication between the upstream and downstream passage portions, for normal low-speed operation. The control valve spool has a second position (FIG. 9) blocking communication between the upstream (115) and downstream (117) passage portions, and connecting all of the downstream portions together, communicating with a fluid accumulation region (91), such that fluid from those volume chambers recirculates, to provide a high-speed mode of operation.
摘要翻译： 一种具有限定多个静止阀通道的固定阀构件（19）的类型的双速转子马达，每个静止阀通道包括用于与可移动阀构件（43）进行换向流体连通的上游通道部分，以及下游通道部分 与摆线齿轮组的容积室（33）连续流体连通。 在一些固定阀通道（113）中，上游（115）和下游（117）通道部分被阻止直接流体连通。 控制阀阀芯（89）具有允许上游和下游通道部分之间不受限制的流体连通的第一位置（图8），用于正常的低速操作。 控制阀阀芯具有阻止上游侧（115）和下游通道部分（117）之间的连通的第二位置（图9），并将所有下游部分连接在一起，与流体积聚区域（91）连通，使得 来自这些体积室的流体再循环，以提供高速操作模式。
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公开(公告)号：US5624248A
公开(公告)日：1997-04-29
申请号：US604589
申请日：1996-02-21
CPC分类号： F04C2/104
摘要： A fluid pressure operated device including a gerotor (17) including an orbiting and rotating star (27). A balancing plate (19) is biased into engagement by means of pressurized fluid in a space (102), with an adjacent end surface (28) of the star (27). Adjacent the balancing plate (19) is a housing member (21) defining a seal chamber (83), in which is disposed a seal assembly (89), including a support member (91) and a seal member (93) disposed radially inward from the support member. The outer periphery (92) of the support member (91) is disposed radially outward of a tangent circle (TC) of the bolts (11), thereby moving the pivot point (PP) of the balancing plate (19) further outward radially. This results in an improved ability of the balancing plate to follow the end surface of the gerotor star, whether the height of the star is more or less than that of the gerotor ring (23). As a result, volumetric efficiency is improved, even while the manufacturing cost of the gerotor gear set (17) may be reduced.
摘要翻译： 一种流体压力操作装置，包括包括绕动旋转星（27）的摆线（17）。 平衡板（19）通过空间（102）中的加压流体与星形（27）的相邻端表面（28）偏压成接合。 相邻的平衡板（19）是限定密封室（83）的壳体构件（21），其中设置有密封组件（89），密封组件包括支撑构件（91）和径向向内设置的密封构件（93） 从支持成员。 支撑构件（91）的外周（92）设置在螺栓（11）的切线圆（TC）的径向外侧，从而使平衡板（19）的枢转点（PP）进一步向外径向移动。 这导致平衡板跟随转子星的端面的能力提高，无论恒星的高度是多少还是小于陀飞轮环的高度（23）。 因此，即使在摆轮齿轮组（17）的制造成本可能降低的情况下也能够提高容积效率。
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公开(公告)号：US06679691B1
公开(公告)日：2004-01-20
申请号：US10282633
申请日：2002-10-29
IPC分类号： F01C110
摘要： A two-speed gerotor motor (10) including motor valve means (19,43) to communicate fluid to and from expanding (33E) and contracting (33c) fluid volume chambers. The motor includes a shift valve spool (61) to cause the motor to operate either in the normal, low-speed, high-torque (LSHT) mode (FIG. 3) or in a high-speed, low-torque (HSLT) mode (FIG. 4). When the motor operates in HSLT mode, certain of the volume chambers comprise recirculating volume chambers (33R). The motor (10) defines a supplemental fluid passage (89) through which fluid is communicated from a system charge pump (73) to each of the recirculating volume chambers (33R). A control valve (83) is operable, in a shift mode (S) to permit fluid communication from the charge pump (73) to the supplemental fluid passage (89), thus preventing cavitation during shifting of the motor (10), especially when shifting from the HSLT mode to the LSHT mode.
摘要翻译： 一种双速转子马达（10），包括用于将流体与膨胀（33E）和收缩（33c）流体容积室连通的马达阀装置（19,43）。 电动机包括一个换档阀阀芯（61），以使电动机以正常，低速，高扭矩（LSHT）模式（图3）或高速，低扭矩（HSLT） 模式（图4）。 当电动机以HSLT模式工作时，某些容积室包括循环容积室（33R）。 电动机（10）限定补充流体通道（89），流体从系统充电泵（73）通过该补充流体通道连通到每个循环容积室（33R）。 控制阀（83）可以在换挡模式（S）中操作以允许从电荷泵（73）到辅助流体通道（89）的流体连通，从而防止在马达（10）移动期间的空化，特别是当 从HSLT模式切换到LSHT模式。
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