US 11,851,048 B2
Control apparatus for hybrid electric vehicle
Hiroki Sato, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Dec. 9, 2021, as Appl. No. 17/643,587.
Claims priority of application No. 2020-205382 (JP), filed on Dec. 10, 2020.
Prior Publication US 2022/0185262 A1, Jun. 16, 2022
Int. Cl. B60W 20/50 (2016.01); F02N 11/08 (2006.01); B60K 6/26 (2007.10)
CPC B60W 20/50 (2013.01) [F02N 11/0848 (2013.01); F02N 11/0862 (2013.01); B60K 6/26 (2013.01); B60K 2006/268 (2013.01); B60W 2510/244 (2013.01); B60Y 2200/92 (2013.01); B60Y 2300/192 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A control apparatus for a hybrid electric vehicle including an engine, a starter and an electric motor which is connected to an electric storage device through a relay and which is to be rotated with supply of an electric power from the electric storage device,
the control apparatus comprising an engine-start control portion configured to execute an engine start control to crank and start the engine by using a selected one of the starter and the electric motor,
wherein the engine-start control portion is configured to detect presence or absence of failure of the electric motor, when executing the engine start control by using the electric motor with the relay being closed, and
wherein the engine-start control portion is configured, when detecting the failure of the electric motor, to cause the relay to be opened, and to suspend execution of the engine start control by using the electric motor, and is configured, when start of the engine is requested next, to execute the engine start control by using the starter while keeping the relay to be opened, and to cause the relay to be closed after the start of the engine.