# US 2019/0168603 A1 · A vehicle driveline system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168603 A1 - Document ID: US20190168603A1 - Status: Published application - Kind: A1 - Application number: 16/092,701 - Filed: 2017-04-13 - Published: 2019-06-06 - Earliest claimed: 2016-04-15 - Assignees: BorgWarner Sweden AB - Applicants: BorgWarner Sweden AG - Inventors: Kristoffer Nilsson - Web page: https://patentgrep.com/patent/US20190168603A1 ## CPC - B60K 6/52: Driving a plurality of drive axles, e.g. four-wheel drive - B60K 6/48: Parallel type - B60K 17/16: of differential gearing - B60K 17/165: {provided between independent half axles (B60K17/18, B60K17/20 take precedence)} - B60K 17/35: including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches - B60K 17/356: having fluid or electric motor, for driving one or more wheels - B60K 23/08: for changing number of driven wheels {, for switching from driving one axle to driving two or more axles (B60K17/3515 takes precedence)} - B60K 23/0808: {for varying torque distribution between driven axles, e.g. by transfer clutch} - B60K 2001/001: {one motor mounted on a propulsion axle for rotating right and left wheels of this axle} - B60K 2006/4808: {Electric machine connected or connectable to gearbox output shaft} - B60Y 2200/92: Hybrid vehicles - B60Y 2300/82: Torque vectoring - 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 - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY ## Abstract A vehicle driveline system for a vehicle is provided. The system comprises a differential having a differential housing connectable to an engine via a pinion, and two output shafts being connectable with respective wheel axles, and an electrical motor being selectively connected to the differential housing. The differential housing extends into a hollow shaft having a radial protrusion provided with engagement means, such as splines, for connecting with a shifting sleeve, wherein said shifting sleeve is configured to be actuated for connecting the electrical motor to said differential housing. ## Claims ### Claim 1 A vehicle driveline system for a vehicle, said system comprising a differential having a differential housing connectable to an engine via a pinion, and two output shafts being connectable with respective wheel axles, and an electrical motor being selectively connected to the differential housing, wherein the differential housing extends into a hollow shaft having a radial protrusion provided with engagement means, such as splines, for connecting with a shifting sleeve, wherein said shifting sleeve is configured to be actuated for connecting the electrical motor to said differential housing. ### Claim 2 (depends on 1) The vehicle driveline system according to claim 1, wherein the differential housing comprises an outer gearing configured to mesh with the pinion and an inner gearing being connected with the output shafts, wherein the shifting sleeve is configured to be actuated for connecting the inner gearing to said outer gearing. ### Claim 3 (depends on 2) The vehicle driveline system according to claim 2, wherein the inner gearing forms the hollow shaft having the radial protrusion. ### Claim 4 (depends on 2) The vehicle driveline system according to claim 2, wherein the shifting sleeve is configured to be positioned in any one of the following modes: i) a first mode in which the shifting sleeve connects the electrical motor to the inner gearing of the differential housing, ii) a second mode in which the shifting sleeve is disconnected from the electrical motor and the inner gearing of the differential housing, iii) a third mode in which the shifting sleeve connects the outer gearing of the differential housing to the electrical motor while disconnecting the inner gearing of the differential housing, and iv) a fourth mode in which the shifting sleeve connects the outer gearing of the differential housing to the electrical motor and to the inner gearing of the differential housing. ### Claim 5 (depends on 1) The vehicle driveline system according to claim 1, wherein the electrical motor is selectively connected to the differential housing via a reduction gearing. ### Claim 6 (depends on 5) The vehicle driveline system according to claim 5, wherein said reduction gearing comprises a gear train having a last gear being arranged coaxially around the hollow shaft of the differential housing, said last gear having means for connecting with the shifting sleeve. ### Claim 7 (depends on 1) The vehicle driveline system according to claim 1, wherein the electrical motor is arranged radially outside said hollow shaft. ### Claim 8 (depends on 1) The vehicle driveline system according to claim 1, wherein said electrical motor is connectable to the differential housing via a planetary gearing. ### Claim 9 (depends on 8) The vehicle driveline system according to claim 8, wherein the planetary gearing has a first output shaft being connected to the differential housing (11), and a second output shaft being connected to one of the output shafts of the differential. ### Claim 10 (depends on 9) The vehicle driveline system according to claim 9, wherein the output shafts of the planetary gearing are formed by a respective planet carrier, and wherein the planet carriers are meshing with a common ring wheel. ### Claim 11 (depends on 1) The vehicle driveline system according to claim 1, wherein the differential housing further comprises a disconnect clutch configured to selectively connect an outer gearing of the differential housing to an inner gearing of the differential housing. ### Claim 12 (depends on 1) The vehicle driveline system according to claim 1, further comprising a disc coupling being arranged on the input side of the pinion for transferring driving torque to said pinion.