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. 23, 1993
Filed:
Jan. 22, 1992
Applicant:
Inventor:
Vasco Mezzedimi, Poggibonsi, IT;
Assignee:
Nuovopignone-Industrie Meccaniche e Fonderia SpA, Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01M / ;
U.S. Cl.
CPC ...
184-616 ; 184-623 ; 55203 ;
Abstract
A system for recovering the lubricating oil for the bearings of a centrifugal compressor with labyrinth seals, in which the discharge pipe of the chamber facing the bearing on the compressor delivery side is connected to the top or roof of an underlying sealed collection vessel, whereas the discharge pipe of the chamber facing the bearing on the compressor suction side extends within said sealed vessel to below the free surface of the oil. A modified embodiment is also provided.