Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1988-08-30
1990-09-18
Miller, Carl Stuart
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123372, 123386, F02M 3900
Patent
active
049570803
ABSTRACT:
An internal combustion engine protection system utilizes lubrication oil pressure to directly protect an engine against failure of the lubrication oil system. The protection system comprises a yieldable base member assembly that replaces the conventional fixed surface of a governor housing for resisting the governor centrifugal weights and high speed spring. The yieldable base member assembly comprises a cylinder and piston arrangement. Lubrication oil is directed to a chamber in the cylinder behind the piston. As long as the lubrication oil pressure maintains the desired value, the piston remains fixed and functions as the conventional fixed surface. Should lubrication oil pressure fall for any reason, the governor high speed spring and centrifugal weights force the piston to move in the cylinder. The high speed spring and centrifugal weights also move to actuate fuel control racks to an engine shut down condition. A temperature sensitive control valve may be installed within the engine protection system to reduce lubrication oil pressure in the cylinder chamber due to engine overheating. Lubrication oil pressure can also be reduced to shut down the engine by the presence of contaminants in the lubrication oil.
REFERENCES:
patent: 2201123 (1940-05-01), Davis
patent: 3153403 (1964-10-01), Dobbs
patent: 3159036 (1964-12-01), Miller
patent: 4092965 (1978-06-01), Lintott
patent: 4355610 (1982-10-01), Parks
patent: 4385867 (1983-05-01), Straubel
patent: 4512298 (1985-04-01), Hayashi
patent: 4785778 (1988-11-01), Gibson
Cayen Donald
Miller Carl Stuart
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