Engine system having improved efficiency

Details Engine system having improved efficiency Engine system having improved efficiency

2006-10-30

2008-09-23

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Free piston

Single chamber; one piston

C123S0460SC, C123S14250E, C180S065230, C180S065310, C136S203000, C136S205000

Reexamination Certificate

active

07426910

ABSTRACT:
A propulsion system for a vehicle, comprising of an internal combustion engine, a thermoelectric device in thermal communication with the engine, and a control system for controlling the engine and the thermoelectric device during a first mode, supply electrical energy to the thermoelectric device to cause the thermoelectric device to produce at least some heat, and during a second mode, operate the engine to produce at least some heat, where the thermoelectric device is operated to convert a temperature gradient at the thermoelectric device to electrical energy.

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