Patent ID: 8596648
Filing Date: 2013-12-03
Classification: B60G,F04B,F05C

Abstract:
1. A pump, comprising: a housing defining an interior volume, wherein the housing comprises a first shell and a second shell; a diaphragm partitioning the interior volume into a pumping chamber and an actuating chamber; a diaphragm support located in the actuating chamber and configured to limit movement of the diaphragm, wherein the diaphragm and the diaphragm support are fastened between the first and second shells and the diaphragm support is configured to allow the diaphragm to operate at pressures of at least about 3000 pounds-per-square-inch; and a dispersion element configured to laterally distribute hydraulic fluid within the pump, wherein the diaphragm support and the dispersion element are integrally formed as parts of a continuous body of material, wherein the dispersion element includes an array of columns structurally reinforcing the diaphragm support and a network of channels extending around the columns, the channels of the dispersion element connected to an array of apertures extending through the diaphragm support; wherein the diaphragm has about a four inch operating diameter, and provides about a 1.5 cubic-inch stroke volume.