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:
May. 15, 2012

Filed:

Feb. 13, 2009
Applicants:

Benny Kevin Nelson, Bloomington, MN (US);

John David Kuhn, Richfield, MN (US);

Nilabh Narayan, Maple Grove, MN (US);

Inventors:

Benny Kevin Nelson, Bloomington, MN (US);

John David Kuhn, Richfield, MN (US);

Nilabh Narayan, Maple Grove, MN (US);

Assignee:

Donaldson Company, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 45/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A raincap precleaner is provided according to the present invention. The raincap precleaner includes a sleeve, a cover, and a precleaner assembly. The sleeve is constructed for mounting on an air intake stack and has an air intake flow region for delivering intake air to the air intake stack. The cover includes a top portion having an annular circumference and a depending flange portion extending from the annular circumference of the top portion. The cover is arranged relative to the sleeve to provide a precleaner area and a precleaned air chamber. The precleaner assembly is provided extending around a periphery of the sleeve and in the precleaner area so that environmental air flows through the precleaner assembly and into the precleaned air chamber, and from the precleaned air chamber into the air intake flow region. The precleaner assembly comprises a plurality of inertial separators. A method for precleaning air and a motor vehicle are provided.


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