# US 9,518,622 B2 · Clutch device with an actuating mechanism > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,518,622 B2 - Document ID: US9518622B2 - Status: Granted - Kind: B2 - Application number: 14/401,048 - Filed: 2013-06-05 - Published: 2015-05-07 - Granted: 2016-12-13 - Earliest claimed: 2012-06-13 - Assignees: Schaeffler Technologies AG & Co. KG - Applicants: Schaeffler Technologies AG & Co. KG - Inventors: Florian Vogel - Web page: https://patentgrep.com/patent/US9518622B2 ## CPC - F16D 27/14: Details - B60K 6/387: Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means - B60K 6/40: characterised by the assembly or relative disposition of components - B60K 6/48: Parallel type - B60L 7/28: Eddy-current braking - B60L 15/2054: {by controlling transmissions or clutches} - B60L 50/16: with provision for separate direct mechanical propulsion - F16D 23/12: Mechanical clutch-actuating mechanisms arranged outside the clutch as such (specific for combined clutches F16D21/00; mechanisms specific for synchronisation F16D23/02) - F16D 27/08: with friction surfaces arranged externally to the flux - B60K 6/365: with the gears having orbital motion - B60K 2006/4825: {Electric machine connected or connectable to gearbox input shaft} - B60L 2240/421: Speed - B60L 2240/423: Torque - B60L 2240/441: Speed - B60L 2240/443: Torque - B60L 2240/486: Operating parameters - B60L 2240/507: Operating parameters - B60L 2260/26: Transition between different drive modes - B60L 2270/145: Structure borne vibrations - F16D 2023/123: {Clutch actuation by cams, ramps or ball-screw mechanisms} - F16D 2300/18: Sensors; Details or arrangements thereof - Y02T 10/62: Hybrid vehicles - Y02T 10/64: Electric machine technologies in electromobility - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 10/72: Electric energy management in electromobility - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A clutch device having an actuating device, in particular for a drivetrain of a motor vehicle having an internal combustion engine, an electric machine with a stator and a rotor, and a transmission device, wherein the clutch device can be positioned in the drivetrain between the internal combustion engine on the one side and the electric machine and the transmission device on the other side, the clutch device and the actuating device are integrated into the rotor of the electric machine, and the actuating device has an adjustable ramp device with first ramps and second ramps and a planetary transmission with a ring gear, a sun gear, planet gears and a planet carrier, wherein the first ramps are assigned to the ring gear and the second ramps to the planet carrier, in order to improve the clutch device structurally and/or functionally. ## Claims ### Claim 1 A clutch device for a drivetrain of a motor vehicle having an internal combustion engine, an electric machine with a stator and a rotor, and a transmission device, the clutch device comprising: an input part driven by the engine; an output part to provide a torque to the transmission; and, an actuating device operatively arranged within the rotor, the actuating device comprising: a planetary gear set having a ring gear, a sun gear, a plurality of planet gears, and a planet carrier; and, an adjustable ramp device having: a first ramp ring frictionally engaged to the ring gear; and, a second ramp ring non-rotatably connected to the planet carrier and operatively arranged to move axially with respect to the planet carrier to engage the clutch, connecting the input part to the output part, wherein the actuating device has an eddy current brake to engage the clutch device. ### Claim 2 (depends on 1) The clutch device of claim 1, further comprising a leaf spring operatively arranged to bias the second ramp ring toward the planet carrier axially, and, wherein the planet carrier is non-rotatably connected to the rotor. ### Claim 3 (depends on 1) The clutch device of claim 1, wherein the planetary transmission has a plurality of planet gear pairs, each pair having a first planet gear to make a first gear ratio with the sun gear, and a second planet gear to make a second gear ratio with the ring gear. ### Claim 4 (depends on 3) The clutch device of claim 3, wherein the first planet gear has a first diameter larger than a second diameter of the second planet gear. ### Claim 5 (depends on 1) The clutch device of claim 1, wherein: a first set of components rotates with the ring gear and comprises the first ramp ring; a second set of components rotates with the sun gear and comprises the second ramp ring; and, the first set has a first moment of inertia substantially equal to a second moment of inertia of the second set. ### Claim 6 (depends on 1) The clutch device of claim 1, further comprising a pressing plate non-rotatably connected to the planet carrier. ### Claim 7 (depends on 1) The clutch device of claim 1, wherein the actuating device has a torque sensor for regulated adjustment of the ramp device, and a freewheeling device, and, the torque sensor and the freewheeling device are arranged at least partially overlapping in the radial direction. ### Claim 8 (depends on 7) The clutch device of claim 7, wherein the torque sensor has at least one torque spring arranged to at least partially overlap the freewheeling device in the radial direction. ### Claim 9 (depends on 8) The clutch device of claim 8, wherein the torque spring is a helical compression spring. ### Claim 10 (depends on 1) The clutch device of claim 1, wherein the eddy current brake enables a torque to be applied to the sun gear such that the first ramp ring, connected to the ring gear, rotates in a first direction while the second ramp ring, connected to the planet carrier, rotates in a second direction contrary to the first direction. ### Claim 11 A clutch device for a drivetrain of a motor vehicle having an internal combustion engine, an electric machine with a stator and a rotor, and a transmission device, the clutch device comprising: an input part driven by the engine; an output part to provide a torque to the transmission; and, an actuating device operatively arranged within the rotor, the actuating device comprising: a planetary gear set having a ring gear, a sun gear, a plurality of planet gears, and a planet carrier; a pressing plate non-rotatably connected to the planet carrier; and, an adjustable ramp device having: a first ramp ring frictionally engaged to the ring gear; and, a second ramp ring non-rotatably connected to the planet carrier and operatively arranged to move axially with respect to the planet carrier to engage the clutch, connecting the input part to the output part. ### Claim 12 A clutch device for a drivetrain of a motor vehicle having an internal combustion engine, an electric machine with a stator and a rotor, and a transmission device, the clutch device comprising: an input part driven by the engine; an output part to provide a torque to the transmission; and, an actuating device operatively arranged within the rotor, the actuating device comprising: a planetary gear set having a ring gear, a sun gear, a plurality of planet gears, and a planet carrier; and, an adjustable ramp device having: a first ramp ring frictionally engaged to the ring gear; and, a second ramp ring non-rotatably connected to the planet carrier and operatively arranged to move axially with respect to the planet carrier to engage the clutch, connecting the input part to the output part, wherein the actuating device has a torque sensor for regulated adjustment of the ramp device, and a freewheeling device, and, the torque sensor and the freewheeling device are arranged at least partially overlapping in the radial direction.