Thomas D. Pate;Jeffrey R. Gohean;Raul G. Longoria;Richard Smalling
发明人:
Jeffrey R. Gohean,Thomas D. Pate,Raul G. Longoria,Richard Smalling
申请号：
US13929501
公开号：
US20140058190A1
申请日:
2013.06.27
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic bearing surfaces.
