US 11,674,575 B2
Drive axle with a disconnect device
Eric M. Engerman, Novi, MI (US)
Assigned to Dana Automotive Systems Group, LLC, Maumee, OH (US)
Filed by Dana Automotive Systems Group, LLC, Maumee, OH (US)
Filed on Jan. 10, 2022, as Appl. No. 17/572,394.
Application 17/572,394 is a continuation of application No. 16/801,623, filed on Feb. 26, 2020, granted, now 11,274,735.
Claims priority of provisional application 62/811,603, filed on Feb. 28, 2019.
Prior Publication US 2022/0128139 A1, Apr. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B60K 6/365 (2007.10); B60K 17/16 (2006.01); F16H 37/04 (2006.01); B60K 1/00 (2006.01); B60K 6/26 (2007.10); B60K 6/547 (2007.10); B60K 17/02 (2006.01); F16D 25/08 (2006.01)
CPC F16H 37/041 (2013.01) [B60K 1/00 (2013.01); B60K 6/26 (2013.01); B60K 6/365 (2013.01); B60K 6/547 (2013.01); B60K 17/02 (2013.01); F16D 25/08 (2013.01); B60K 2001/001 (2013.01); B60K 2001/006 (2013.01); B60Y 2200/91 (2013.01); B60Y 2200/92 (2013.01); B60Y 2400/73 (2013.01); F16H 2702/02 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A system, comprising:
an electric drive axle comprising an electric motor, a differential, and a disconnect device, the electric drive axle comprising a piston member concentrically disposed within an annular hub and a pinion sleeve, the piston member comprising at least one protuberance engaged with a protuberance on an inner peripheral surface of the annular hub,
wherein the protuberance of the piston member and the protuberance of the annular hub block rotational movement of the piston member relative to the differential.