US Patent 7625435 Electrostatic air/oil separator for aircraft engine

Patent 7625435 was granted and assigned to Pratt & Whitney Canada on December, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Pratt & Whitney Canada

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76254350

Patent Inventor Names

Kevin Allan Dooley0

Date of Patent

December 1, 2009

Patent Application Number

115342560

Date Filed

September 22, 2006

Patent Primary Examiner

‌

Richard L. Chiesa

Patent abstract

An air/oil separator for use in a gas turbine engine includes a labyrinth path having an air/oil inlet, air outlet and oil outlet, a device for creating an electrical field within the labyrinth path and a device for creating a suction action at the oil outlet to draw liquid oil from the labyrinth path and for delivering the liquid oil under pressure to a pressurized source of oil in the engine.