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1. 发明授权

EP0931935B1 Gerotor motor and improved spool valve therefor 有权
标题翻译：内齿轮电机和分配阀
公开(公告)号：EP0931935B1
公开(公告)日：2003-07-09
申请号：EP99100946.5
申请日：1999-01-20
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04C2/10 , F04C15/04
CPC分类号： F04C14/08 , F04C2/106

2. 发明公开

EP1024284A3 Hydraulic pump control 审中-公开
标题翻译：液压泵的控制系统
公开(公告)号：EP1024284A3
公开(公告)日：2001-02-07
申请号：EP00101184.0
申请日：2000-01-21
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04B1/32
CPC分类号： F04B1/324
摘要： A variable displacement axial piston pump (11) including a housing (19 and a back plate (25), with a cylinder barrel (29) rotating therein, and defining a plurality of cylinders (31), and a piston (33) reciprocably disposed in each one. There is a tiltable swashplate (37) whereby the displacement of the pump can be varied. In one embodiment, an open center shuttle assembly (71) is disposed in the swashplate (37), and interconnects the high and low pressure paths of the pump to provide a wide neutral band. When the pump is displaced intentionally, the resulting pressure in the high pressure path biases the shuttle to a closed position, permitting normal operation of the pump. In a second embodiment, the shuttle assembly (71) is disposed in the back plate (25), and is accompanied by a load holding valve assembly (105), which insures that, when the vehicle is on an incline, the fluid pumped by the propel motors won't flow through the shuttle assembly (71).

3. 发明公开

EP0667454A1 Gear pump 失效
标题翻译：齿轮泵
公开(公告)号：EP0667454A1
公开(公告)日：1995-08-16
申请号：EP95101949.6
申请日：1995-02-13
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04C2/18 , F04C15/00
CPC分类号： F04C15/0061 , F04C2/086
摘要： A gear pump (11) is disclosed of the type comprising a housing (15,17) defining gear cavities (25) in which are rotatably disposed first (27) and second (29) gears. Each of the gears includes a gear portion and a generally cylindrical portion (37,39) on one axial side of the gear. The housing defines first (41) and second (43) cylindrical, internal pilot surfaces receiving and rotatably supporting the cylindrical portions of the gears. The engagement of each cylindrical portion and its respective internal pilot surface comprises substantially the only bearing support for the gear. One gear (27) comprises a drive gear and is driven by an input shaft (23) defining a bearing portion (51) received within a cylindrical pilot surface (55) defined by the housing. With the present invention, the primary pilot surfaces which need to be concentric are all defined by the same housing member, to facilitate accurate machining thereof. The input shaft (23) is a separate piece from the drive gear (27) and its size is not limited by the size of the gears, and may be readily replaced "in the field" without substantial disassembly of the pump.
摘要翻译：公开了一种齿轮泵（11），其包括限定齿轮腔（25）的壳体（15,17），其中可旋转地设置有第一齿轮（27）和第二齿轮（29）。每个齿轮包括齿轮部分和齿轮的一个轴向侧上的大致圆柱形部分（37,39）。壳体限定了第一（41）和第二（43）圆柱形内部导向表面，该内部导向表面接收和可旋转地支撑齿轮的圆柱形部分。每个圆柱形部分与其相应的内导向表面的接合基本上包括用于齿轮的唯一轴承支撑。一个齿轮（27）包括驱动齿轮并且由输入轴（23）驱动，所述输入轴限定容纳在由壳体限定的圆柱形导向表面（55）内的轴承部分（51）。通过本发明，需要同心的主导向表面全部由相同的壳体构件限定，以便于其精确加工。输入轴（23）与驱动齿轮（27）是分离的部件，其尺寸不受齿轮尺寸的限制，并且可以在“实地”的情况下容易地更换，而不用拆卸泵。

4. 发明授权

EP0394821B1 Valve for gerotor motor 失效
标题翻译：电动马达阀
公开(公告)号：EP0394821B1
公开(公告)日：1993-07-07
申请号：EP90107337.9
申请日：1990-04-18
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04C2/10
CPC分类号： F04C2/104 , F04C15/0042 , Y10T137/86654

5. 发明公开

EP0544209A1 Spline reduction and extension for auxiliary drive component 失效
标题翻译：系统用于增加齿离合器的有效长度用于通过减速器来驱动的辅助单元。
公开(公告)号：EP0544209A1
公开(公告)日：1993-06-02
申请号：EP92119907.1
申请日：1992-11-23
申请人： EATON CORPORATION
发明人： Lammers, Matthew James , Uppal, Sohan Lal
IPC分类号： F01C1/10 , F04C2/10
CPC分类号： F04C2/104
摘要： A gerotor motor is disclosed of the type including a stationary, internally-toothed ring member (21;221) and an externally-toothed star member (23;223) orbiting and rotating within the ring member. The motor is of the type utilizing a valving member (53;253) of the "low-speed" type, which rotates at the speed of rotation of the star member. The star member defines internal splines (43;243) and in engagement therewith is an insert member (79;279) which is, in turn, in splined engagement with a valve drive shaft (47;247). The insert member (79;279) extends axially beyond the star member and is received within an adjacent annular recess (85;285), thus maximizing the spline length available for engagement with the main drive shaft (39;239), and maximizing the torque capacity of the motor.
摘要翻译：齿轮转子马达是游离缺失光盘的类型包括固定，内齿环构件的轨道和环构件内旋转;（223 23）和外齿星形构件（21 221）。电动机是该类型利用一个阀构件的;而“低速”型，其在星形构件的转动速度旋转的（53 253）。星形构件定义内花键（43; 243），并在接合有一个插入构件（79; 279），所有这些是依次，在具有阀驱动轴（47; 247）花键接合。所述插入构件（79; 279）轴向延伸超过星形件和在相邻的环形设计凹部（85; 285）内接收的，从而最大限度地花键长度可用于与主驱动轴（39; 239）啮合，并且最大化马达的扭矩容量。

6. 发明授权

EP0931936B1 Gerotor motor and improved valve drive and brake assembly therefor 有权
标题翻译：内齿轮马达和分配阀和驻车制动
公开(公告)号：EP0931936B1
公开(公告)日：2003-07-09
申请号：EP99100947.3
申请日：1999-01-20
申请人： EATON CORPORATION
发明人： Yakimow, Scott Edward , Uppal, Sohan Lal
IPC分类号： F04C15/00 , F04C2/10
CPC分类号： F04C15/0057 , F04C2/104 , F04C15/0084

7. 发明公开

EP1024284A2 Hydraulic pump control 审中-公开
标题翻译：液压泵的控制系统
公开(公告)号：EP1024284A2
公开(公告)日：2000-08-02
申请号：EP00101184.0
申请日：2000-01-21
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04B1/32
CPC分类号： F04B1/324
摘要： A variable displacement axial piston pump (11) including a housing (19 and a back plate (25), with a cylinder barrel (29) rotating therein, and defining a plurality of cylinders (31), and a piston (33) reciprocably disposed in each one. There is a tiltable swashplate (37) whereby the displacement of the pump can be varied. In one embodiment, an open center shuttle assembly (71) is disposed in the swashplate (37), and interconnects the high and low pressure paths of the pump to provide a wide neutral band. When the pump is displaced intentionally, the resulting pressure in the high pressure path biases the shuttle to a closed position, permitting normal operation of the pump. In a second embodiment, the shuttle assembly (71) is disposed in the back plate (25), and is accompanied by a load holding valve assembly (105), which insures that, when the vehicle is on an incline, the fluid pumped by the propel motors won't flow through the shuttle assembly (71).

8. 发明公开

EP0926043A2 Improved torque generator steering device 有权
标题翻译： Verbesserte，drehmomenterzeugende Lenkeinrichtung
公开(公告)号：EP0926043A2
公开(公告)日：1999-06-30
申请号：EP98124058.3
申请日：1998-12-17
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal , Kasper, Leslie James
IPC分类号： B62D5/097
CPC分类号： F04C15/0076 , B62D5/097 , F04C2/103
摘要： A torque generator steering device (11) including a gerotor gear set (17) disposed adjacent an end cap (15) and having the input shaft (21) extending through the end cap and through the orbiting and rotating star member (31). The valving of the device, including a spool valve (37) and a sleeve valve (39), is disposed on the side of the gerotor gear set (17) toward an output shaft (23). Preferably, the input shaft (21) is integral with the spool valve (37), and the sleeve valve (39) is integral with the output shaft (23). A coupling arrangement (77) is provided to translate orbital and rotational movement of the star (31) into rotational follow-up movement of the sleeve valve (39). The result is a very short, compact torque generator having substantially reduced backlash between the input shaft (21) and the output shaft (23).
摘要翻译：扭矩发生器转向装置（11）包括设置在端帽（15）附近并具有延伸穿过端盖并通过绕动旋转星形构件（31）的输入轴（21）的摆轮齿轮组（17）。包括滑阀（37）和套筒阀（39）的装置的阀门朝向输出轴（23）设置在齿轮齿轮组（17）的侧面。优选地，输入轴（21）与滑阀（37）成一体，并且套筒阀（39）与输出轴（23）成一体。提供耦合装置（77）以将星形（31）的轨道和旋转运动转换成套筒阀（39）的旋转跟随运动。结果是非常短，紧凑的扭矩发生器，其在输入轴（21）和输出轴（23）之间具有显着减小的间隙。

9. 发明公开

EP0492348A1 Gerotor motor and improved valve drive therefor 失效
标题翻译： Antriebsverbindungfürein Gerotormotorventil。
公开(公告)号：EP0492348A1
公开(公告)日：1992-07-01
申请号：EP91121543.2
申请日：1991-12-16
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04C2/10
CPC分类号： F04C2/104
摘要： A rotary fluid pressure device is disclosed of the type including a gerotor displacement mechanism (17). The gerotor includes a ring member (21) and a star member (23) eccentrically disposed within the ring member, and having relative orbital and rotational movement therein. The device includes a spool valve member (51) disposed immediately adjacent the gerotor and adapted to be rotated at the speed of rotation of the star member. The device further includes an output shaft (29). Orbital and rotational movement of the star member is transmitted to the output shaft by means of an elongated, hollow, universal shaft (69). A valve drive shaft (79) is located at least partially within, and extending axially through the hollow universal shaft. In one embodiment of the invention, the valve drive shaft includes a valve end (85) in engagement with the spool valve, and a shaft end (81) in engagement with the output shaft, to transmit rotation of the output shaft into rotation of the spool valve (51).
摘要翻译：公开了一种旋转流体压力装置，其包括摆线运动位移机构（17）。摆线齿轮包括环形构件（21）和偏心地设置在环形构件内的星形构件（23），并且在其中具有相对的轨道和旋转运动。该装置包括紧靠摆线架并且适于以星形构件的旋转速度旋转的滑阀构件（51）。该装置还包括输出轴（29）。星形构件的轨道和旋转运动通过细长的中空的通用轴（69）传递到输出轴。阀驱动轴（79）至少部分位于中空通用轴内并且轴向延伸穿过中空通用轴。在本发明的一个实施例中，阀驱动轴包括与滑阀接合的阀端（85）和与输出轴接合的轴端（81），以将输出轴的旋转传递到滑阀（51）。

10. 发明公开

EP0394821A3 Valve for gerotor motor 失效
标题翻译：电动马达阀
公开(公告)号：EP0394821A3
公开(公告)日：1991-07-10
申请号：EP90107337.9
申请日：1990-04-18
申请人： EATON CORPORATION
发明人： Uppal, Sohan Lal
IPC分类号： F04C2/10
CPC分类号： F04C2/104 , F04C15/0042 , Y10T137/86654
摘要： A rotary fluid pressure device is provided of the type including a gerotor gear set (17) including an orbiting and rotating star (27) providing output torque by means of a main drive shaft (41). The device includes a valve housing section including a relatively thicker outer housing (61) and a relatively thinner inner housing (73) press-fit within the outer housing with an interference fit causing a preload force equal to the equivalent force of a predetermined fluid pressure, to avoid expansion of the spool bore (81). Disposed within the spool bore is a spool valve (55) which is relatively solid and able to withstand the predetermined fluid pressure without collapse of the spool valve. The spool valve defines axial slots (93) and (95) communicating by means of passages (97 and 99) with pressure-balancing recesses (101 and 103), whereby the valve spool is axially pressure balanced. The motor has improved volumetric efficiency, as well as improved mechanical efficiency.

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