Accession Number:

ADA000921

Title:

Development of a Bench Procedure for Evaluating the Effectiveness of Dispersant -- Detergent Gasoline Additives. Phase I.

Descriptive Note:

Interim rept.,

Corporate Author:

SOUTHWEST RESEARCH INST SAN ANTONIO TEX ARMY FUELS AND LUBRICANTS RESEARCH LAB

Personal Author(s):

Report Date:

1974-06-01

Pagination or Media Count:

30.0

Abstract:

The report covers work undertaken to develop a laboratory bench procedure for the evaluation of dispersant-detergent gasoline additive effectiveness in controlling andor inhibiting engine intake systems deposition. A full-size evaluation procedure was selected for use as a baseline tool and a generator of deposits and deposit-causing precursors. This procedure accelerates carburetor throat and intake system deposits by recycling the crankcase off-gases back into the intake system via the main carburetor air stream. The studies to date have shown that inorganic acids in the off-gas react with the fuel to form carburetor throat deposits, and inorganic acid precursors can be easily generated in the laboratory, eliminating the need for the engine-combustion process.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Fuels
  • Reciprocating and Rotating Engines

Distribution Statement:

APPROVED FOR PUBLIC RELEASE