Method and apparatus to optimize engine warm up

Details Method and apparatus to optimize engine warm up Method and apparatus to optimize engine warm up

2007-04-19

2009-02-03

Wolfe, Jr., Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S115000

Reexamination Certificate

active

07487030

ABSTRACT:
There is provided a method and an apparatus to minimize energy loss of an internal combustion engine during engine warm-up. This includes monitoring engine operating conditions, and estimating a future energy loss. A power loss and a rate of change in the estimated future energy loss are determined. An engine control scheme effective to minimize the power loss and the rate of change in the estimated future energy loss is executed during the engine warm-up.

REFERENCES:
patent: 4719025 (1988-01-01), Akiyama et al.
patent: 6416437 (2002-07-01), Jung
patent: 6959241 (2005-10-01), Itow et al.

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