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.

Date of Patent:
Aug. 07, 1990

Filed:

Jun. 08, 1989
Applicant:
Inventor:

Luciano Coral, Leini, IT;

Assignee:

Coral S.p.A., Turin, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
55323 ; 55334 ; 55337 ; 553411 ; 55449 ; 55456 ; 55458 ;
Abstract

The air in which the oil particles are suspended is drawn from the environment through an air intake (4) as a result of the vacuum created by a centrifugal aspirator (11) and then passes along a substantially vertical duct (5) in which an internal helical element (6) causes the mechanical separation of the oil particles by centrifugal action due to the rotation of the air imparted by the helix, the oil particles collecting on the wall of the duct (5) from which they drain into a collecting hopper (2), after which the air is further filtered by an additional filter (9, 10) before reaching the delivery opening (13).


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