# US 2014/0155211 A1 · Powertrain for a hybrid electric vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155211 A1 - Document ID: US20140155211A1 - Status: Published application - Kind: A1 - Application number: 13/691,963 - Filed: 2012-12-03 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: Ford Glboal Technologies, LLC - Applicants: Ford Glboal Technologies, LLC - Inventors: Shailesh S. Kozarekar; Edward W. Haran - Web page: https://patentgrep.com/patent/US20140155211A1 ## CPC - F16H 37/0806: {with a plurality of driving or driven shafts} - B60K 6/387: Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means - B60K 6/44: Series-parallel type - B60K 6/442: Series-parallel switching type - B60K 6/445: Differential gearing distribution type - B60L 15/2054: {by controlling transmissions or clutches} - B60L 50/16: with provision for separate direct mechanical propulsion - B60L 50/61: by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles - F16H 37/065: {with a plurality of driving or driven shafts (F16H37/0806 takes precedence)} - B60K 2006/381: {characterized by driveline brakes} - B60L 2210/10: DC to DC converters - B60L 2210/40: DC to AC converters - B60L 2240/12: Speed - B60L 2240/421: Speed - B60L 2240/441: Speed - B60L 2240/486: Operating parameters - B60L 2260/22: Standstill, e.g. zero speed - B60L 2260/26: Transition between different drive modes - F16H 2037/0866: {Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft} - 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 - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - 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 - 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 vehicle powertrain including a planetary transmission including an output, a first member connected an a first power source and a second member connected to a second power source, a brake for alternately releasing the output and holding the output against rotation, a motor including a second output driveably connected to vehicle wheels, and a clutch for opening and closing a drive connection between the output and the vehicle wheels. ## Claims ### Claim 1 A vehicle powertrain, comprising: a planetary transmission including an output, a first member connected an a first power source and a second member connected to a second power source; a brake for alternately releasing the output and holding the output against rotation; a motor including a second output driveably connected to vehicle wheels; a clutch for opening and closing a drive connection between the output and the vehicle wheels. ### Claim 2 (depends on 1) The vehicle powertrain of claim 1, further comprising: a countershaft; a pinion connected to the output; a transfer gear supported on the countershaft and meshing with the pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; wherein the clutch opens and closes a drive connection between the transfer gear and the differential. ### Claim 3 (depends on 1) The vehicle powertrain of claim 1, further comprising: a countershaft; a second pinion connected to the second output; a gear secured to the countershaft and meshing with the second pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; wherein the clutch opens and closes a drive connection between a transfer gear and the differential. ### Claim 4 (depends on 1) The vehicle powertrain of claim 1, further comprising: a countershaft; a pinion connected to the output; a transfer gear supported on the countershaft and meshing with the pinion; a second pinion connected to the second output; a gear secured to the countershaft and meshing with the second pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; wherein the clutch opens and closes a drive connection between the transfer gear and the differential. ### Claim 5 A vehicle powertrain, comprising: a transmission including a ring gear, a sun gear connected to a starter-generator, a planet carrier connected to an engine and supporting pinions meshing with the sun gear and ring gear; a brake for releasing the ring gear and holding the ring gear against rotation; a motor including an output driveably connected to vehicle wheels; a clutch for opening and closing a connection between the ring gear and the vehicle wheels. ### Claim 6 (depends on 5) The vehicle powertrain of claim 5, further comprising: a countershaft; a pinion connected to the ring gear; a transfer gear supported on the countershaft and meshing with the pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; and wherein the clutch opens and closes a drive connection between the transfer gear and the countershaft. ### Claim 7 (depends on 5) The vehicle powertrain of claim 5, further comprising: a countershaft; a second pinion connected to the second output; a gear secured to the countershaft and meshing with the second pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; and wherein the clutch opens and closes a drive connection between a transfer gear and the countershaft. ### Claim 8 (depends on 5) The vehicle powertrain of claim 5, further comprising: a countershaft; a pinion connected to the ring gear; a transfer gear supported on the countershaft and meshing with the pinion; a second pinion connected to a second output; a gear secured to the countershaft and meshing with the second pinion; a differential producing a drive connection between the countershaft and the vehicle wheels; and wherein the clutch opens and closes a drive connection between the transfer gear and the countershaft. ### Claim 9 A method for operating a vehicle powertrain, comprising: driveably connecting a motor to vehicle wheels; connecting a sun gear of a transmission to a starter-generator; supporting planet pinions meshing with the sun gear and a ring gear on a planet carrier connected to an engine; using a clutch to disconnect the ring gear and the vehicle wheels; engaging a brake and using the starter-generator to crank and start the engine. ### Claim 10 (depends on 9) The method of claim 9, further comprising: engaging the clutch; disengaging the brake; and transmitting power produced by one of the engine and the starter-generator through the transmission and the clutch to the vehicle wheels. ### Claim 11 (depends on 9) The method of claim 9, further comprising: disconnecting a torque path between the ring gear and the vehicle wheels by disengaging the clutch.