Patent ID: 8246500

Claim:
A vehicle hybrid driving apparatus that has an engine and an electric motor as drive power sources, comprising: a hydraulic pressure generation mechanism that generates hydraulic pressure by using drive force from the engine; and a planetary gear ratio shift device that has three rotating elements that are a first rotating element, a second rotating element, and a third rotating element, wherein: the first rotating element is linked to the electric motor so that power transmission between the first rotating element and the electric motor is possible, and is linked to the engine and the hydraulic pressure generation mechanism via a clutch so that power transmission between the first rotating element and the engine is possible, and the clutch is provided between the hydraulic pressure generation mechanism and the first rotating element; the second rotating element is selectively linked to a stationary member via a brake; the third rotating element is linked to an output shaft so that power transmission between the third rotating element and the output shaft is possible; and the brake connects the second rotating element and the stationary member when hydraulic pressure from the hydraulic pressure generation mechanism is not supplied to the brake.