Patents
Patents for F02B 69 - Internal-combustion engines convertible into other combustion-engine type, not provided for in group; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types (1,005)
01/1978
01/17/1978US4068628 Internal combustion engine with designated exhaust burning cylinders
07/1977
07/26/1977US4037412 Compound spark-ignition and diesel engine
03/1976
03/23/1976US3945367 Engine modification
03/23/1976US3945352 Fuel vaporization and injection system for internal combustion engine
03/09/1976US3942502 Air compressing four cycle reciprocating-piston internal combustion engine
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