# US 2014/0194239 A1 · Hybrid vehicle driving device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194239 A1 - Document ID: US20140194239A1 - Status: Published application - Kind: A1 - Application number: 14/237,839 - Filed: 2011-08-10 - Published: 2014-07-10 - Earliest claimed: 2011-08-10 - Assignees: Toyota Jidosha Kabushiki Kaisha - Inventors: Tomohito Ono; Yuji Iwase; Yosuke Suzuki; Kensei Hata - Web page: https://patentgrep.com/patent/US20140194239A1 ## CPC - B60K 6/50: Architecture of the driveline characterised by arrangement or kind of transmission units - B60K 6/365: with the gears having orbital motion - B60K 6/445: Differential gearing distribution type - F16H 3/728: {with means to change ratio in the mechanical gearing} - F16H 2037/101: {Power-split transmissions with one differential at each end of a continuously variable transmission, i.e. CVT} - F16H 2200/2007: with two sets of orbital gears - F16H 2200/2035: with two engaging means - Y02T 10/62: Hybrid vehicles - Y10S 903/911: with two or more gear sets - 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 - F16H: GEARING - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, a clutch configured to connect and disconnect a carrier of the first planetary gear mechanism to and from a ring gear of the second planetary gear mechanism, and a brake configured to regulate a rotation of the ring gear of the second planetary gear mechanism by being engaged. The second planetary gear mechanism is of a double pinion type, a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier thereof is connected to an engine, and a ring gear thereof is connected to a driving wheel, respectively, and a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, and a carrier thereof is connected to the driving wheel, respectively. ## Claims ### Claim 1 A hybrid vehicle driving device comprising: a first planetary gear mechanism; a second planetary gear mechanism; a clutch configured to connect and disconnect a carrier of the first planetary gear mechanism to and from a ring gear of the second planetary gear mechanism; and a brake configured to regulate a rotation of the ring gear of the second planetary gear mechanism by being engaged, wherein the second planetary gear mechanism is of a double pinion type, a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier thereof is connected to an engine, and a ring gear thereof is connected to a driving wheel, respectively. ### Claim 2 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein a traveling by a mode 2 is realized by engaging the clutch and the brake, respectively. ### Claim 3 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein an order of disposition of respective rotating elements of the first planetary gear mechanism and the second planetary gear mechanism in an alignment chart at the time the clutch is engaged and the brake is released is in the order of the sun gear of the first planetary gear mechanism, the sun gear of the second planetary gear mechanism, the carrier of the first planetary gear mechanism and the ring gear of the second planetary gear mechanism, and the ring gear of the first planetary gear mechanism and the carrier of the second planetary gear mechanism. ### Claim 4 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein in a hybrid traveling for causing a hybrid vehicle to travel using at least the engine as a power source, at least two modes of a mode 3 for releasing the clutch and engaging the brake, a mode 4 for engaging the clutch and releasing the brake, and a mode 5 for releasing the clutch and the brake can be selectively realized. ### Claim 5 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein a traveling by a mode 1 is realized by releasing the clutch and engaging the brake. ### Claim 6 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein the first electric rotating machine, the first planetary gear mechanism, the clutch, the second planetary gear mechanism, the second electric rotating machine, and the brake are sequentially disposed coaxially to a rotating shaft of the engine from the side near to the engine. ### Claim 7 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein the first electric rotating machine, the first planetary gear mechanism, the second electric rotating machine, the second planetary gear mechanism, the clutch, and the brake are sequentially disposed coaxially to a rotating shaft of the engine from the side near to the engine. ### Claim 8 (depends on 1) The hybrid vehicle driving device according to claim 1, wherein the first electric rotating machine, the second electric rotating machine, the second planetary gear mechanism, the first planetary gear mechanism, the clutch, and the brake are sequentially disposed coaxially to a rotating shaft of the engine from side near to the engine. ### Claim 9 (depends on 1) The hybrid vehicle driving device according to claim 1, further comprising: a one way clutch configured to allow, when the rotating direction of the carrier of the second planetary gear mechanism at the time the hybrid vehicle travels forward is assumed a positive direction, the rotation of the ring gear of the second planetary gear mechanism in the positive direction, and regulate the rotation thereof in the direction opposite to the positive direction. ### Claim 10 (depends on 2) The hybrid vehicle driving device according to claim 2, wherein an order of disposition of respective rotating elements of the first planetary gear mechanism and the second planetary gear mechanism in an alignment chart at the time the clutch is engaged and the brake is released is in the order of the sun gear of the first planetary gear mechanism, the sun gear of the second planetary gear mechanism, the carrier of the first planetary gear mechanism and the ring gear of the second planetary gear mechanism, and the ring gear of the first planetary gear mechanism and the carrier of the second planetary gear mechanism. ### Claim 11 (depends on 2) The hybrid vehicle driving device according to claim 2, wherein in a hybrid traveling for causing a hybrid vehicle to travel using at least the engine as a power source, at least two modes of a mode 3 for releasing the clutch and engaging the brake, a mode 4 for engaging the clutch and releasing the brake, and a mode 5 for releasing the clutch and the brake can be selectively realized. ### Claim 12 (depends on 2) The hybrid vehicle driving device according to claim 2, wherein a traveling by a mode 1 is realized by releasing the clutch and engaging the brake.