Power plants – System having plural motors or having diverse types of... – Engine apparatus or system actuatable selectively or...
Patent
1991-04-09
1992-06-16
Ostrager, Allen M.
Power plants
System having plural motors or having diverse types of...
Engine apparatus or system actuatable selectively or...
60618, F01K 2310, F01B 2904
Patent
active
051216078
ABSTRACT:
An energy recovery system for wheeled vehicles is characterized by a compressor/expander which operates as an expander in the run mode to assist the engine in driving the vehcile and as a compressor in the braking mode to store braking energy. A heat exchanger, a boiler drum, and a flash chamber transfer heat from the vehicle exhaust to a working fluid for generating high and low pressure vapor. The boiler drum stores heated and vaporized liquid and supplies high-pressure vapor to the inlet port of the compressor/expander during the run mode. The flash chamber supplies low-pressure steam to the inlet port of the compressor/expander during the braking mode. Storage tanks are provided for storing and passing low-pressure vapor to the input of the compressor/expander during the run mode.
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Laubscher, Jr. Lawrence E.
Ostrager Allen M.
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