公开(公告)号：US09683580B2

公开(公告)日：2017-06-20

申请号：US14704189

申请日：2015-05-05

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： James S. Tyler ,  Saulo Da Cortes Cervantes

IPC: F04D29/52 ,  F04D29/64 ,  F04D29/60 ,  F04D29/66 ,  F04D19/00 ,  F01P1/06 ,  F01P5/06

CPC classification number: F04D29/526 ,  F01P1/06 ,  F01P5/06 ,  F01P11/10 ,  F04D19/002 ,  F04D29/601 ,  F04D29/646 ,  F04D29/668 ,  Y10T16/54

Abstract: A cooling fan shroud for an internal combustion engine has a fan port including a fixed cylindrical segment and a movable cylindrical segment mounted by a hinge. A pivot plate on the movable cylindrical segment is compressed with a base plate on a shroud main body so that a loading rib on one plate provides a frictional resistance. A dual-position locking mechanism retains the movable cylindrical segment in an extended position or a retracted position. The mechanism is comprised of a tab extending from the movable cylindrical segment and a ratchet pocket in the main body receiving the tab, wherein the ratchet pocket has a pair of stop notches separated by a deflector rib. The movable cylindrical segment is bendable to allow the tab to ride over the deflector rib in response to a predetermined pivot force applied to the movable cylindrical segment.