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:
Jul. 04, 1995
Filed:
May. 25, 1994
Applicant:
Inventors:
Christian Largillier, Le Mee Sur Seine, FR;
Jerome Friedel, Blandy Les Tours, FR;
Primary Examiner:
Int. Cl.
CPC ...
F01M / ; F02C / ;
U.S. Cl.
CPC ...
184-611 ; 60 3908 ;
Abstract
A depressurization device for the lubrication chambers which surround the bearings of a turbomachine comprises venting ducts which communicate the lubrication chambers with the outside, and is provided with an auxiliary pumping mechanism which is arranged to be operated, when required, by way of an external pressure source. Preferably the venting ducts are provided with an air/lubricant separator and the auxiliary pumping mechanism comprises a jet nozzle which is located in the air exhaust duct from the separator, the external pressure source being the compressor of another turbomachine.