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    • 33. 发明申请
    • Variable-Capacity Oil Pump and Oil Supply System Using Same
    • 可变容量油泵和供油系统使用相同
    • US20150218983A1
    • 2015-08-06
    • US14421288
    • 2013-07-24
    • Hitachi Automotive Systems, Ltd.
    • Yasushi WatanabeHideaki Ohnishi
    • F01M11/03F04C15/06F04C13/00B01D35/00F04C2/36
    • F01M11/03B01D35/005F04C2/3442F04C2/36F04C13/005F04C14/226F04C14/28F04C15/06F04C2240/811
    • Provided is a variable-capacity oil pump capable of stably securing a required pump discharge volume and discharge pressure even with a clogged oil filter and/or an electromagnetic valve failed. The oil pump is provided with a first control chamber for applying a force under oil pressure from a main oil gallery in a direction for decreasing of the eccentricity of a cam ring, a second control chamber for applying a force under oil pressure from the oil gallery in cooperation with a spring force in a direction for increasing of the cam-ring eccentricity, a first branch flow path that connects the oil gallery and the first control chamber, and a second branch flow path branched from the first branch flow path and communicating with the second control chamber via the electromagnetic valve. Two oil filters are disposed in the oil gallery and the first branch flow path, respectively.
    • 提供了一种可变容量的油泵,即使在油过滤器堵塞和/或电磁阀故障的情况下,也能够稳定地确保所需的泵排出量和排出压力。 油泵设置有第一控制室,用于在降低凸轮环的偏心的方向上从主油道施加油压的力,第二控制室用于在油压下施加来自油库的力的第二控制室 与弹簧力在凸轮环偏心度增大的方向配合,连接油槽和第一控制室的第一分支流路和从第一分支流路分支的第二分支流路,与第一分支流路连通 第二控制室通过电磁阀。 两个油过滤器分别设置在油画廊和第一分支流动路径中。
    • 34. 发明授权
    • Rotary fluid power device
    • 旋转流体动力装置
    • US3726615A
    • 1973-04-10
    • US3726615D
    • 1971-10-28
    • KOLINSKI R
    • KOLINSKI R
    • F04C2/36F01C1/30F03C3/00F04C11/00
    • F04C2/36
    • A power device capable of being used as either a fluid motor or a rotary pump, having a rotary abutment with two opposed valving recesses and four rotary pistons disposed in the same rotary plane and in operative circumferential engagement with the rotary abutment. The device comprises a pair of fluid power units connected in two parallel fluid circuits, each circuit having two pistons connected in series. The rotary pistons are balanced so that diametrically opposed pistons in different circuits are working, while the other pair of diametrically opposed pistons in the different circuits are valving. The appendages are designed with maximum working faces and with a minimum radial dimension, by relieving the base of the appendage to form flat diverging shoulders.
    • 能够被用作流体马达或旋转泵的动力装置,其具有与相对的旋转平面设置的旋转邻接件和设置在相同旋转平面中并与旋转支座工作的圆周接合的两个相对的阀槽和四个旋转活塞。 该装置包括连接在两个并联流体回路中的一对流体动力单元,每个回路具有串联连接的两个活塞。 旋转活塞是平衡的,使得不同回路中的直径相对的活塞正在工作,而不同回路中的另一对直径相对的活塞是阀门。