Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1996-10-28
1998-06-30
Kamen, Noah P.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
1231931, 123668, F02B 7700
Patent
active
057718555
ABSTRACT:
The damage detecting apparatus for ceramic parts detects breakage of the ceramic combustion chamber structure and valves or breakage and wear of the cylinder liner and minimizes the damages to the structure and valves. The breakage of the head liner forming the ceramic combustion chamber can be detected by arranging the conductive ceramic wires on the outer circumferential surface of the head liner and passing a small current through these wires. The breakage of the valves installed in the ports of the cylinder head can be detected by arranging the conductive lines over the entire length of the valve stem and passing a small current to the conductive lines. The damages to the ceramic cylinder liner, such as wear, can be detected by arranging the conductive lines over the inner wall surface and passing a small current to the conductive lines. The controller, in response to detection signals from the current detector indicating the breakage of wire and the amount of wear, turns on alarm lamps and stops the fuel pump to stop the supply of fuel to the combustion chamber.
REFERENCES:
Patent Abstract of Japan, vol. 95, No. 001, Jan. 17, 1995, JP-A-07012773.
Isuzu Ceramics Research Institute Co. Ltd.
Kamen Noah P.
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