Gas-engine durability improvement - topical report. Final report for Phase 1 information gathering. Report for October 1985-June 1986

Technical Report · Sun Jun 01 04:00:00 EDT 1986

OSTI ID:5002814

Treuhaft, M B; Klusmeyer, L F; Brown, R D; Hull, R W

The need to improve the durability of natural gas-fueled engines by eliminating or reducing exhaust valve and valve-seat failures is being addressed. The report covers the information and data gathering phase. A literature search was conducted to investigate the historical treatment of valve and valve-seat wear and to determine the state-of-the-art with respect to the design and use of exhaust valves and seats. Visits were made to natural gas-fueled engine users, maintenance shops, engine manufacturers, and valve and valve-seat-insert manufacturers. Valve and valve-seat problems were found to be a maintenance concern. Manufacturers reported that valve and seat-insert materials requirements for gas engines are more stringent than for gasoline or diesel engines. The type of engine oil used is thought to have a strong influence on valve/seat durability; low-ash or no-ash oils are preferred. Phase II will evaluate different valve and seat materials as well as various formulations of lubricants.

• Research Organization: Southwest Research Inst., San Antonio, TX (USA). Dept. of Engine and Vehicle Research
• OSTI ID: 5002814
• Report Number(s): PB-88-188909/XAB
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
034000 -- Natural Gas-- Combustion
33 ADVANCED PROPULSION SYSTEMS
330800* -- Emission Control-- Alternative Fuels
COMBUSTION PROPERTIES
CONTROL EQUIPMENT
DOCUMENT TYPES
ENERGY SOURCES
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MAINTENANCE
NATURAL GAS
PROGRESS REPORT
REVIEWS
VALVES
WEAR