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Measurement of Engine Oil Consumption: 4,321,056

Abstract: 

The oil consumption of an internal combustion engine is determined by analyzing for the amount of water soluble zinc compounds found in the engine exhaust gas, after zinc dialkyldithiophosphate has been added to the oil.

Patent Number: 
4,321,056
Date Of Issue: 
03/22/1982
Inventors: 

Edward Dimitroff