Locking mechanism for the crankshaft of an internal...

Details Locking mechanism for the crankshaft of an internal... Locking mechanism for the crankshaft of an internal...

2003-11-24

2008-08-12

Pang, Roger (Department: 3681)

Interrelated power delivery controls, including engine control

Electric engine

Brake engaged when engine energy deactivated, brake...

C192S042000

Reexamination Certificate

active

07410445

ABSTRACT:
A locking mechanism (6) is provided to block the internal combustion engine (1) at prepositioned cranking angle after shutting down. Preferably, the crankshaft of the engine is positioned at a crankshaft angle that is favorable for cranking. Prepositioning of the crankshaft angle results in a lower first compression torque and therefore increases kinetic energy stored in the crankshaft lumped inertia. The required maximum torque of the cranking aid (2a, 2b, 2c) can therefore be reduced.

REFERENCES:
patent: 4889213 (1989-12-01), Roller
patent: 5070266 (1991-12-01), Janczak et al.
patent: 6230678 (2001-05-01), Gracyalny et al.
patent: 6453864 (2002-09-01), Downs et al.
patent: 2002/0065165 (2002-05-01), Lasson et al.
patent: WO 01/48373 (2001-07-01), None

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