# US 10,369,878 B2 · Powertrain configurations for two-motor, two-clutch hybrid electric vehicles > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,369,878 B2 - Document ID: US10369878B2 - Status: Granted - Kind: B2 - Application number: 15/210,002 - Filed: 2016-07-14 - Published: 2016-12-01 - Granted: 2019-08-06 - Earliest claimed: 2013-02-08 - Assignees: Cummins Electrified Power NA Inc. - Applicants: Cummins Electrified Power NA Inc. - Inventors: Andrew Frank; Joerg Ferchau; Leonhard Fahreddin; Julio Razo; Krishna Kumar; Anthony Serra - Web page: https://patentgrep.com/patent/US10369878B2 ## CPC - B60K 6/442: Series-parallel switching type - B60K 6/26: characterised by the motors or the generators - B60K 6/405: Housings - B60K 6/52: Driving a plurality of drive axles, e.g. four-wheel drive - B60W 10/02: including control of driveline clutches - B60W 10/06: including control of combustion engines - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B60W 20/20: Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration - B60Y 2200/92: Hybrid vehicles - B60Y 2300/182: Selecting between different operative modes, e.g. comfort and performance modes - B60Y 2400/60: Electric Machines, e.g. motors or generators - B60Y 2400/82: Four wheel drive systems - Y02T 10/62: Hybrid vehicles - Y02T 90/14: Plug-in electric vehicles - Y10S 903/906: Motor or generator - Y10S 903/916: with plurality of drive axles - Y10S 903/93: Conjoint control of different elements - Y10S 903/952: Housing details - 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 - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract Powertrain configurations for hybrid electric vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) are disclosed herein. One powertrain comprises: a prime mover; an electric motor-generator, said electric motor-generator mechanically coupled to said prime mover via a first clutch; an electric motor, said electric motor mechanically coupled to said electric motor-generator via a second clutch; a battery, said battery electrically coupled to said electric motor-generator and said electric motor, said battery capable of supplying electrical energy to said electric motor-generator and said electric motor; and a controller, said controller capable of supplying control signals to said prime mover, said first clutch, said electric motor-generator, said second clutch and said electric motor such that said controller is capable of dynamically affecting a plurality of operating modes; wherein further said plurality of operating modes comprises one of a group, said group comprising: all electric mode, series mode, series-parallel mode and parallel mode. ## Claims ### Claim 1 A powertrain for a Hybrid Electric Vehicle (HEV), said powertrain comprising: a prime mover; a first electric motor-generator, said first electric motor-generator mechanically coupled to said prime mover via a first clutch; a second electric motor-generator, said second electric motor-generator mechanically coupled to said first electric motor-generator via a second clutch; said first clutch and said second clutch configured to affect dynamic open/closed/slip operation; a battery, said battery electrically coupled to said first electric motor-generator and said second electric motor-generator, said battery configured to supply electrical energy to said first electric motor-generator and said second electric motor-generator; and a controller, said controller configured to supply control signals to said prime mover, said first clutch, said first electric motor-generator, said second clutch and said second electric motor-generator such that said controller is configured to dynamically transition between a plurality of operating modes; wherein further said plurality of operating modes comprises one of a group, said group comprising: all electric mode, high-torque electric mode, series mode, high regeneration mode, series-parallel mode and parallel mode. ### Claim 2 (depends on 1) The powertrain of claim 1 wherein said HEV is one of a group, said group comprising: a hybrid electric vehicle and a plug-in hybrid electric vehicle. ### Claim 3 (depends on 2) The powertrain of claim 2 wherein said REV is one of a group, said group comprising: a rear-wheel drive powertrain, a front-wheel drive powertrain and an all-wheel drive powertrain. ### Claim 4 (depends on 2) The powertrain of claim 2 wherein said HEV further comprises a wall charger. ### Claim 5 (depends on 4) The powertrain of claim 4 wherein said HEV further comprises a battery management system. ### Claim 6 (depends on 2) The powertrain of claim 2 wherein said powertrain further comprises a housing, said housing mechanically coupled to said HEV and further wherein said housing is sized to contain at least one or more components of said powertrain, said components comprising one of a group, said group comprising: said prime mover, said first clutch, said first electric motor-generator, said second clutch and said second electric motor-generator. ### Claim 7 (depends on 6) The powertrain of claim 6 wherein said housing further comprises a cooling conduit, said cooling conduit configured to guide a flow of cooling fluid past one or more of said components. ### Claim 8 (depends on 6) The powertrain of claim 6 wherein said housing further comprises a material configured to provide electro-magnetic compatibility. ### Claim 9 (depends on 8) The powertrain of claim 8 wherein said material comprises one of a group, said group comprising: aluminum, copper, nickel and chrome. ### Claim 10 (depends on 1) The powertrain of claim 1 wherein said vehicle comprises a gross vehicle weight substantially in the range of 6000 lbs to 10,000 lbs, said prime mover is an engine of substantially 2.7 L displacement, said second electric motor-generator comprises substantially at least 80 kW peak power and substantially at least 900 Nm peak torque, said first electric motor-generator comprises substantially at least 50 kW peak power and substantially at least 300 Nm peak torque and said battery comprises a capacity of substantially in the range of 5 to 21 kWh. ### Claim 11 (depends on 1) The powertrain of claim 1 wherein said vehicle comprises a gross vehicle weight substantially in the range of 14,000 lbs to 26,000 lbs, said prime mover is an engine of substantially 4.5 L displacement, said second electric motor-generator comprises substantially at least 110 kW peak power and substantially at least 1400 Nm peak torque, said first electric motor-generator comprises substantially at least 50 kW peak power and substantially at least 600 Nm peak torque and said battery comprises a capacity of substantially in the range of 5 to 27 kWh. ### Claim 12 (depends on 1) The powertrain of claim 1 wherein said vehicle comprises a gross vehicle weight substantially in the range of 10,000 lbs to 14,000 lbs, said prime mover is an engine of substantially 2.7 L displacement, said second electric motor-generator comprises substantially at least 90 kW peak power and substantially at least 1200 Nm peak torque, said first electric motor-generator comprises substantially at least 50 kW peak power and substantially at least 400 Nm peak torque and said battery comprises a capacity of substantially in the range of 5 to 24 kWh. ### Claim 13 (depends on 1) The powertrain of claim 1 wherein said vehicle comprises a gross vehicle weight less than 6000 lbs, said prime mover is an engine of substantially 2.0 L displacement, said second electric motor-generator comprises substantially at least 50 kW peak power and substantially at least 500 Nm peak torque, said first electric motor-generator comprises substantially at least 50 kW peak power and substantially at least 200 Nm peak torque and said battery comprises a capacity of substantially in the range of 5 to 16 kWh. ### Claim 14 (depends on 1) The powertrain of claim 1 wherein said vehicle comprises a gross vehicle weight less than 4000 lbs, said prime mover is an engine of substantially in the range of 0.5 L to 2.0 L displacement, said second electric motor-generator comprises substantially at least 75 kW peak power and substantially at least 300 Nm peak torque, said first electric motor-generator comprises substantially at least 35 kW peak power and substantially at least 200 Nm peak torque and said battery comprises a capacity of substantially in the range of 3 to 16 kWh.