公开(公告)号：WO2015131057A3

公开(公告)日：2015-11-26

申请号：PCT/US2015018034

申请日：2015-02-27

Applicant: PURDUE RESEARCH FOUNDATION

Inventor： VACCA ANDREA ,  DEVENDRAN RAM SUDARSAN

IPC: F04C2/00 ,  G01N21/64 ,  G01N33/543

CPC classification number: F04C14/18 ,  F01C1/18 ,  F01C20/18 ,  F01C21/08 ,  F01C21/10 ,  F01C21/18 ,  F03C2/08 ,  F04C2/086 ,  F04C2/18 ,  F04C14/12 ,  F04C15/06 ,  F04C2240/30

Abstract: An external gear machine (EGM) includes a housing, an inlet, a drive gear positioned in the housing and configured to be (i) driven by a mechanism when the EGM is operated as a pump, or (ii) drive an external mechanism when the EGM is operated as a motor, the drive gear having a plurality of teeth, a slave gear positioned in the housing having a plurality of teeth and configured to be driven by the drive gear, an outlet formed in the housing and configured to receive at least some of the volume of fluid via an outlet fluid communication channel, a first slider defining an inlet fluid communication channel and the outlet fluid communication channel, selective positioning of the first slider configured to vary net operational volumes of fluid communication between the inlet and the outlet, for a given rotational speed of the drive gear.

Abstract translation: 外部齿轮机（EGM）包括壳体，入口，位于壳体中的驱动齿轮，并且构造成（i）当EGM作为泵操作时由机构驱动，或（ii）驱动外部机构，当 所述EGM作为电动机操作，所述驱动齿轮具有多个齿，从动齿轮定位在所述壳体中，所述从齿轮具有多个齿并被构造成由所述驱动齿轮驱动，所述出口形成在所述壳体中， 经由出口流体连通通道的至少一些体积的流体，限定入口流体连通通道和出口流体连通通道的第一滑动件，第一滑动器的选择性定位，其被配置为改变入口和入口流体连通通道之间的流体连通的净运行体积 出口，对于给定的驱动齿轮的转速。

公开(公告)号：WO2015026850A9

公开(公告)日：2016-08-11

申请号：PCT/US2014051734

申请日：2014-08-19

Applicant: PURDUE RESEARCH FOUNDATION

Inventor： VACCA ANDREA ,  ALTARE GABRIELE

IPC: F04C2/08 ,  F04C2/10 ,  F04C27/02

CPC classification number: F15B7/006 ,  F01C21/02 ,  F04C2/18 ,  F04C14/00 ,  F04C14/04 ,  F04C15/0026 ,  F04C15/0034 ,  F04C15/0042 ,  F04C15/008 ,  F04C15/06 ,  F04C15/064 ,  F04C15/066 ,  F04C2240/56 ,  F15B15/18

Abstract: Methods and apparatus pertaining to positive displacement pumps, and further to hydraulic actuation systems. In some embodiments the pumps are gear pumps with bi- directional operation. In some embodiments the actuation system includes a motor-driven, reversible operation gear pump providing fluid under pressure to a rod and cylinder.

Abstract translation: 与容积式泵相关的方法和装置，以及进一步到液压致动系统。 在一些实施例中，泵是具有双向操作的齿轮泵。 在一些实施例中，致动系统包括电动机驱动的可逆操作齿轮泵，其在压力下向杆和气缸提供流体。