# US 9,435,419 B2 · Gear, motor-gear unit, vehicle and generator with a gear and force transmitting element > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,435,419 B2 - Document ID: US9435419B2 - Status: Granted - Kind: B2 - Application number: 14/666,968 - Filed: 2015-03-24 - Published: 2015-10-01 - Granted: 2016-09-06 - Earliest claimed: 2009-03-30 - Assignees: TQ-Systems GmbH - Applicants: Tq-Systems GmbH - Inventors: Rudi Hoebel; Antonius Georg Rossberger - Web page: https://patentgrep.com/patent/US9435419B2 ## CPC - F16H 49/001: {Wave gearings, e.g. harmonic drive transmissions} - B60K 7/00: Disposition of motor in, or adjacent to, traction wheel - B60K 7/0007: {the motor being electric} - F16H 7/06: with chains - H02K 7/116: with gears - H02K 21/02: Details - H02K 21/12: with stationary armatures and rotating magnets - B60K 2007/0092: {the motor axle being coaxial to the wheel axle} - F16H 2049/003: {Features of the flexsplines therefor} - Y02T 10/72: Electric energy management in electromobility - F16H: GEARING - 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 - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A vehicle has a motor-gear unit, a trailing wheel of the vehicle being connected the output shaft of the gear and an input shaft of the gear being connected to a motor. The gear has an outer wheel, an inner wheel and a traction means extending between the outer wheel and the inner wheel. A revolving transmitter is also provided which lifts the traction means off the outer periphery of the inner wheel and pushes it against the inner periphery of the outer wheel. ## Claims ### Claim 1 Gear having an input shaft and an output shaft, the gear comprising the following elements: an outer wheel, an inner wheel which is positioned concentrically in relation to the outer wheel and a traction means extending between the outer wheel and the inner wheel, at least one revolving transmitter which lifts the traction means from the outer periphery of the inner wheel and pushes it onto the inner periphery of the outer wheel, wherein the revolving transmitter comprises an oval disc, the oval disk being connected to the input shaft, and a flexible bearing, which is provided on an outer circumference of the oval disk, wherein the traction means is in contact with the flexible bearing. ### Claim 2 (depends on 1) Gear according to claim 1, characterised in that the input shaft is connected to the transmitter. ### Claim 3 (depends on 1) Gear according to claim 1, characterised in that the input shaft is connected to the outer wheel. ### Claim 4 (depends on 1) Gear according to claim 1, characterised in that the input shaft is connected to the inner wheel. ### Claim 5 (depends on 1, 2, 3) Gear according to one of claims 1 to 3, characterised in that the output shaft is connected to the inner wheel. ### Claim 6 (depends on 1) Gear according to claim 1, characterised in that the output shaft is connected to the transmitter. ### Claim 7 (depends on 1) Gear according to claim 1, characterised in that the output shaft is connected to the outer wheel. ### Claim 8 (depends on 1) Gear according to claim 1, characterised in that the traction means is provided as a chain of rotatably interconnected links. ### Claim 9 (depends on 1) Gear according to claim 1, characterised in that the traction means comprises at least one continuous elliptic traction element. ### Claim 10 (depends on 9) Gear according to claim 9, characterised in that the traction element comprises a flexible belt. ### Claim 11 (depends on 9) Gear according to claim 9, characterised in that the traction element comprises a flexible spline element. ### Claim 12 (depends on 11) Gear according to claim 11, characterised in that the flexible spline element comprises a multitude of pins that stand proud of at least one axial surface of the spline element and that are coaxially arranged with the flexible spline element. ### Claim 13 (depends on 1) Gear according to claim 1, characterised in that the transmitter is positioned on a rotatable transmitter carrier. ### Claim 14 (depends on 13) Gear according to claim 13, characterised in that the transmitter is fixed to the transmitter carrier wherein the traction means comprises a multitude of rotatable contact elements. ### Claim 15 (depends on 13) Gear according to claim 13, characterised in that the transmitter is rotatably provided on the transmitter carrier. ### Claim 16 (depends on 15) Gear according to claim 15, characterised in that the rotation axis of the transmitter essentially coincides with the rotation axis of the transmitter carrier, wherein a contact surface of the transmitter facing towards the traction means is provided with an essentially elliptic shape. ### Claim 17 (depends on 1) Motor-gear unit with a gear according to claim 1, characterised in that an electric motor is provided, a rotor of the electric motor being connected to the input shaft of the gear. ### Claim 18 (depends on 17) Motor-gear unit according to claim 17, characterised in that the electric motor is a DC brushless motor with a radial gap. ### Claim 19 (depends on 17) Vehicle having a motor-gear unit in accordance with claim 17, characterised in that at least one driven wheel of the vehicle is connected to the output shaft of the gear. ### Claim 20 (depends on 1) Motor-gear unit with a gear according to claim 1, characterised in that an internal combustion engine is provided, an output shaft of the engine being connected to the input shaft of the gear. ### Claim 21 (depends on 1) Electric generator with a drive unit and with a generator unit and with a gear according to claim 1, an input shaft of the gear being connected to the drive unit and an output shaft of the gear being connected to an input shaft of the generator.