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:
Feb. 17, 2015
Filed:
Dec. 20, 2011
Ning Fang, Mason, OH (US);
Benjamin Joseph Simpson, Mason, OH (US);
Duane Howard Anstead, Fairfield, OH (US);
Adam Mitchell Record, Liberty Twp, OH (US);
Donald James Welty, Milford, OH (US);
Ning Fang, Mason, OH (US);
Benjamin Joseph Simpson, Mason, OH (US);
Duane Howard Anstead, Fairfield, OH (US);
Adam Mitchell Record, Liberty Twp, OH (US);
Donald James Welty, Milford, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
An apparatus is provided having a first zone with a fluid flow at a first pressure, and a second zone with a fluid flow at a second pressure. A sump cavity is provided in fluid communication with the first zone and a sump vent. An eductor system may be provided with a fluid flow path therethrough and in fluid communication with the second zone and the sump vent. The eductor system may be provided with an altitude sensing valve and may also be provided with gage pressure sensing valve. The eductor system may further be provided with a second gage pressure sensing valve and may also be provided with an orifice plate. The gage pressure sensing valves may react to the gage pressure of the second zone.