US 12,486,875 B2
Electromagnetic switchable clutch
Peter Burke, Charlotte, NC (US); Michael Hodge, Wadsworth, OH (US); and Brian Lee, Charlotte, NC (US)
Assigned to Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
Filed by Schaeffler Technologies AG & Co. KG, Herzogenaurach (DE)
Filed on Feb. 27, 2024, as Appl. No. 18/588,165.
Claims priority of provisional application 63/533,335, filed on Aug. 17, 2023.
Prior Publication US 2025/0060012 A1, Feb. 20, 2025
Int. Cl. F16D 11/14 (2006.01); F16D 27/112 (2006.01); F16D 41/04 (2006.01); F16D 41/12 (2006.01); F16D 41/16 (2006.01); F16D 11/00 (2006.01); F16D 121/20 (2012.01)
CPC F16D 27/112 (2013.01) [F16D 41/04 (2013.01); F16D 41/125 (2013.01); F16D 41/16 (2013.01); F16D 2011/002 (2013.01); F16D 2121/20 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electromagnetic switchable clutch, comprising:
a dog clutch comprising:
a dog clutch hub comprising:
a first outer spline; and
a plurality of first pockets;
a dog clutch disc comprising a second outer spline; and
a dog clutch sleeve comprising an inner spline, complementary to the first outer spline and the second outer spline, the inner spline drivingly engaged with the first outer spline and axially displaceable to engage the second outer spline;
a one-way clutch comprising:
a cam ring rotationally fixed to the dog clutch disc and comprising a plurality of second pockets; and
a plurality of pawls disposed in respective ones of one of the plurality of first pockets or the plurality of second pockets and arranged to engage the other one of the plurality of first pockets or the plurality of second pockets to rotationally lock the cam ring to the dog clutch hub in a single rotational direction;
a coil assembly arranged to axially displace the dog clutch sleeve; and
a detent arranged to retain the dog clutch sleeve in a first axial position assigned to a one-way clutch mode.