The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 2013
Filed:
May. 06, 2010
Donald P. Sloteman, New Hope, PA (US);
Cliff H. Campen, Pittsburgh, PA (US);
Eric S. Conaway, Pittsburgh, PA (US);
Donald P. Sloteman, New Hope, PA (US);
Cliff H. Campen, Pittsburgh, PA (US);
Eric S. Conaway, Pittsburgh, PA (US);
Curtiss-Wright Electro-Mechanical Corp., Cheswick, PA (US);
Abstract
A combined canned motor-pump operates directly in the process fluid without the need for shaft seals or buffer or lubricating fluids. The pump incorporates an integral gas-separating system that includes gas separating hydraulics and a flow path that returns the gas to the main gas/oil separator. The gas-separating system includes a pump inlet for accepting incoming multiphase flow, at least one blade rotatable about the axis of rotation, an open annulus region for separating gas from liquid in the multiphase flow, at least one radial hole in the shaft for directing separated gas to the axial hole, and a pump outlet for discharging liquid from the pump.