公开(公告)号：US5924975A

公开(公告)日：1999-07-20

申请号：US686618

申请日：1996-07-19

Applicant: Michael P. Goldowsky

Inventor： Michael P. Goldowsky

IPC: F04B9/00 ,  A61F2/02 ,  A61M1/10 ,  A61M1/12 ,  F04B15/00 ,  F04B17/04 ,  F04B49/06 ,  F04B53/12 ,  F16C17/02 ,  F16C17/10 ,  F16C33/10 ,  F16J15/43 ,  H02K33/16

CPC classification number: F04B49/065 ,  A61M1/1055 ,  A61M1/1081 ,  A61M1/1096 ,  A61M1/122 ,  F04B17/046 ,  F04B53/125 ,  H02K33/16 ,  F04B2203/0401 ,  F05C2201/0412

Abstract: A linear pump includes a housing having a bore and axially spaced apart inlet and outlet. A first check valve is joined to the housing for controlling flow of fluid through the bore. A piston is disposed coaxially in the housing bore for axial translation therein and includes a piston bore and axially spaced apart inlet and outlet. A second check valve is joined to the piston for controlling fluid flow through the piston bore. A linear motor includes a plurality of axially adjoining drive coils disposed in the housing, and a pair of axially spaced apart magnet rings disposed in the piston and spaced radially inwardly of the drive coils for magnetically cooperating therewith to axially oscillate the piston in the housing for cyclically pumping the fluid in turn through the housing and piston inlets and outlets in unidirectional flow through the housing and piston bores.

Abstract translation: 线性泵包括具有孔和轴向间隔开的入口和出口的壳体。 第一止回阀连接到壳体，用于控制通过孔的流体的流动。 活塞同轴地布置在壳体孔中，用于在其中轴向平移，并且包括活塞孔和轴向间隔开的入口和出口。 第二止回阀连接到活塞以控制流过活塞孔的流体。 线性电动机包括设置在壳体中的多个轴向相邻的驱动线圈和一对轴向间隔开的磁环，该磁环设置在活塞中并与驱动线圈径向向内间隔开，用于与驱动线圈磁性配合，以使壳体中的活塞轴向振荡 循环地将流体循环地泵送通过壳体和活塞入口和出口，以单向流动通过壳体和活塞孔。