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US 12,734,875 B2Granted
Hybrid power unit and hybrid vehicle
AssigneeTvs Motor Company Limited
InventorsBalasubramanian Thiruvallur Loganathan, Lakshmi Narasimhan Varadha Iyengar
Life of this patent
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Abstract
A vehicle includes: an engine assembly including a cylinder head, an engine output shaft, and a crankshaft; and an electric motor assembly transversely disposed above a crankcase of the engine assembly. The electric motor assembly includes an electric motor and an electromagnetic clutch mounted coaxially on the electric motor.
Claims11
A hybrid vehicle, comprising:
- an engine assembly that is horizontally disposed along a longitudinal direction of the hybrid vehicle and includes a cylinder head, an engine output shaft, and a crankshaft;
- and
- an electric motor assembly that is transversely disposed above the engine assembly, a first belt drive, and a second belt drive, wherein
- the electric motor assembly includes an electric motor and an electromagnetic clutch that is mounted coaxially on the electric motor,
- the first belt drive is configured to connect the electric motor and the crankshaft, and
- the second belt drive is configured to connect the electric motor and a drive shaft in the hybrid vehicle.
3 more elements
A hybrid power unit for a hybrid vehicle, the hybrid power unit comprising:
- an engine assembly having a camshaft axis (A) and horizontally disposed along a longitudinal direction of the hybrid vehicle;
- an electric motor assembly having an electric motor assembly axis (B) and transversely disposed above the engine assembly, a first belt drive, and a second belt drive;
- and
- a drive shaft having a drive shaft axis (C), wherein
- the electric motor assembly includes an electric motor and an electromagnetic clutch that is mounted coaxially on the electric motor,
- the first belt drive is configured to connect the electric motor assembly and the engine assembly,
- the second belt drive is configured to connect the electric motor assembly and the drive shaft, and
- the camshaft axis (A), the electric motor assembly axis (B), and the drive shaft axis (C) are disposed along three vertices of a triangle where a line joining the camshaft axis (A) and the drive shaft axis (C) substantially passes close to a crankshaft axis (C′) of the engine assembly.
5 more elements
Dependencies are inferred from the claim text.