公开(公告)号：US20190195179A1

公开(公告)日：2019-06-27

申请号：US15852308

申请日：2017-12-22

Applicant: Caterpillar Inc.

Inventor： Brian D. Hoff

IPC: F02M35/09 ,  F02M35/08 ,  B60K11/08 ,  B01D46/00

CPC classification number: F02M35/09 ,  B01D46/0042 ,  B01D2279/60 ,  B60K11/08 ,  F02M35/086

Abstract: The present disclosure relates to an exhaust scavenging system for an engine system including an engine enclosed in an engine enclosure and an air intake system including an air filter having a filter element for filtering air. The exhaust scavenging system includes an exhaust conduit, a venturi, and a valve system. The exhaust conduit is coupled to the engine and is configured to receive exhaust gas discharged by the engine. The venturi is associated with the exhaust conduit and operates to generate a suction to draw air from the air filter and the engine enclosure. The valve system is configured to selectively fluidly connect the venturi with the engine enclosure or the air filter. The valve system fluidly connects the venturi with the air filter for facilitating purging of the filter element of the air filter.