Study of reduction of accessory horsepower requirements. Seventh quarterly progress report
Progress is reported for a program whose objective is to evolve and define an accessory drive system that will minimize system power consumption of driven accessories on an internal combustion engine in a passenger automobile. Although the primary goal is fuel economy improvements, the manner of accomplishment must be acceptable to both manufacturer and customer. Factors such as first cost, maintainability, and impact on existing capital investment were significant considerations in selecting a variable ratio belt drive as the speed control mechanism. Tasks completed in this quarter were: the design, fabrication, component, and laboratory engine tests of prototype variable ratio belt drive; and baseline compact car computer modeling and computer drive cycle analyses utilizing the accessory drive system. The major accomplishments in this quarter were: mechanical and hydromechanical accessory drive systems were installed in the vehicle and tested; initial drive system performance evaluation was completed; emissions and fuel economy testing was completed in accordance with the federal test procedure; fuel economy simulator was completed and is functional; initial road test of mechanical accessory drive system was completed and reflects valid fuel economy improvements; and mechanical accessory drive system off-design analysis was completed.
- Research Organization:
- AiResearch Mfg. Co., Phoenix, AZ (USA)
- DOE Contract Number:
- AC03-76CS51095
- OSTI ID:
- 6422806
- Report Number(s):
- DOE/CS/51095-T2; ON: DE81016853
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
AUTOMOBILES
INTERNAL COMBUSTION ENGINES
MECHANICAL TRANSMISSIONS
FUEL ECONOMY
DESIGN
PERFORMANCE TESTING
AIR CONDITIONERS
BLOWERS
ENERGY CONSERVATION
POWER DEMAND
PUMPS
RESEARCH PROGRAMS
ENGINES
HEAT ENGINES
MACHINE PARTS
TESTING
VEHICLES
330602* - Vehicle Design Factors- Engine-Transmission Matching