US 12,523,262 B2Granted

Switchable clutch unit

AssigneeMclaren Engineering Crimmitschau Tech Center GmbH

InventorsBastian Stöckner, Robert Schuster, Josia Buchert, Evan Swinger

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Abstract

A switchable clutch unit for coupling a drive component, wherein the clutch unit comprises: a primary side and a secondary side, which can be positively connected to one another for rotary driving, wherein the secondary side has driving recesses distributed around the circumference, wherein the primary side has driving claws distributed around the circumference, which are formed for engaging in the driving recesses of the secondary side, wherein the driving claws comprise a group of first driving claws and a group of second driving claws, wherein the first driving claws can be moved between an engaged position and an disengaged position with respect to the driving recesses, wherein the second driving claws are displaceable between an engaged position and an disengaged position with respect to the driving recesses, and wherein the first driving claws and the second driving claws are displaceable relative to one another.

Claims23

Dependent claims

A switchable clutch unit for coupling a drive component, in particular a drive component of a vehicle (10) driven by an electric motor or provided with a drive assisted by an electric motor, wherein the clutch unit comprises:

a primary side (102, 202, 302, 402, 502, 602, 702, 802) and a secondary side (104, 204, 304, 404, 504, 604), which can be positively connected to one another for rotary driving,
wherein the secondary side (104, 204, 304, 404, 504, 604, 704, 804) has driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) distributed around the circumference,
wherein the primary side (102, 202, 302, 402, 502, 602, 702, 802) has driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) distributed around the circumference, which are formed for engaging in the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) of the secondary side (104, 204, 304, 404, 504, 604, 704, 804),
wherein the driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) comprise a group of first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and a group of second driving claws (162, 262, 362, 462, 562, 662, 762, 862),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) can be moved between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable relative to one another;
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) have a first ring (124, 224, 324, 424, 524, 624, 724, 824) and the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are associated with a second ring (126, 226, 326, 426, 526, 626, 726, 826);
and
wherein the first ring (124, 224, 324, 424, 524, 624, 724, 824) and the second ring (126, 226, 326, 426, 526, 626, 726, 826) each have a rotary driving contour (130, 132) which interacts with a counter-contour (134) on the primary side for positive rotary driving within the primary side (102, 202, 302, 402, 502, 602, 702, 802).

49 more elements

a primary side (102, 202, 302, 402, 502, 602, 702, 802) and a secondary side (104, 204, 304, 404, 504, 604), which can be positively connected to one another for rotary driving,
wherein the secondary side (104, 204, 304, 404, 504, 604, 704, 804) has driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) distributed around the circumference,
wherein the primary side (102, 202, 302, 402, 502, 602, 702, 802) has driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) distributed around the circumference, which are formed for engaging in the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) of the secondary side (104, 204, 304, 404, 504, 604, 704, 804),
wherein the driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) comprise a group of first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and a group of second driving claws (162, 262, 362, 462, 562, 662, 762, 862),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) can be moved between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable relative to one another;
wherein the group of the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and the group of the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are coupled in the engaged position to a secondary-side driving body (116, 216, 316, 416) on which the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) are arranged;
wherein the group of the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) fits into a group of first driving recesses (174, 274) on the secondary-side driving body (116, 216, 316, 416) when engaged, and wherein the group of the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) fits into a group of second driving recesses (176, 276) on the driving body when engaged;
wherein the first driving recesses (174, 274) are arranged on an end face (184) of the secondary-side driving body (116, 216, 316, 416), and wherein the second driving recesses (176, 276) are arranged on a peripheral section (186) of the driving body (116, 216, 316, 416).

56 more elements

a primary side (102, 202, 302, 402, 502, 602, 702, 802) and a secondary side (104, 204, 304, 404, 504, 604), which can be positively connected to one another for rotary driving,
wherein the secondary side (104, 204, 304, 404, 504, 604, 704, 804) has driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) distributed around the circumference,
wherein the primary side (102, 202, 302, 402, 502, 602, 702, 802) has driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) distributed around the circumference, which are formed for engaging in the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874) of the secondary side (104, 204, 304, 404, 504, 604, 704, 804),
wherein the driving claws (160, 162;
260, 262;
360, 362;
460, 462;
560, 562;
660, 662;
760, 762;
860, 862) comprise a group of first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and a group of second driving claws (162, 262, 362, 462, 562, 662, 762, 862),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) can be moved between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable between an engaged position and an disengaged position with respect to the driving recesses (174, 176;
274, 276;
374;
474;
574;
674;
774;
874),
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are displaceable relative to one another;
and
wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) and the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are arranged alternately, wherein the first driving claws (160, 260, 360, 460, 560, 660, 760, 860) are distributed along a first diameter, and wherein the second driving claws (162, 262, 362, 462, 562, 662, 762, 862) are arranged along a second diameter.

48 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/720,372Filed 14 Dec 2022
Priority: DE 102021132955.814 Dec 2021
Published: US 2024/0418226 A119 Dec 2024
Granted: 13 Jan 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

F16D 11/14
Clutches in which the members have interengaging parts: with clutching members movable only axially
B60K 6/387
Characterised by the driveline clutches: actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/448
Series-parallel type: electrical distribution type
B60K 17/354
For driving both front and rear wheels, e.g. four wheel drive vehicles: having separate mechanical assemblies for transmitting drive to the front…