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1. (WO2018102428) SYSTEMS AND METHODS FOR CONTROLLING A HYBRID ENGINE SYSTEM

Pub. No.:    WO/2018/102428    International Application No.:    PCT/US2017/063737
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 30 00:59:59 CET 2017
IPC: B60W 10/02
B60W 10/06
B60W 10/08
B60W 20/10
B60W 20/40
B60K 6/48
B60L 11/14
Applicants: CUMMINS INC.
Inventors: SUJAN, Vivek A.
FROST, Howard R.
GOPAL, Arun Prakash Thunga
Title: SYSTEMS AND METHODS FOR CONTROLLING A HYBRID ENGINE SYSTEM
Abstract:
An apparatus includes a torque circuit and a clutch circuit. The torque circuit is structured to monitor a torque demand level of an engine. The clutch circuit is structured to (i) disengage an engine clutch of a transmission to decouple the engine from the transmission in response to the torque demand level of the engine falling below a threshold torque level and (ii) disengage a motor-generator clutch of the transmission to decouple a motor-generator from the engine in response to the torque demand level of the engine falling below the threshold torque level. The motor-generator is directly coupled to the transmission.