Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle
Patent
1976-02-23
1978-12-12
Croyle, Carlton R.
Internal-combustion engines
Multiple piston, common nonrestrictive combustion chamber
Four-cycle
123 58BC, F02B 2508, F02B 7526
Patent
active
041291026
ABSTRACT:
An engine has pairs of opposing pistons that have common combustion spaces located centrally in a housing, around a single central drive shaft. The inner ends of the piston rods are connected to piston heads with ball and socket joints and the outer ends of the rods are similarly connected to swash plate assemblies on each opposite side of the drive shaft relative to the combustion spaces within an engine housing. The cylinder walls have outer ends positioned near the drive shaft and inner ends that are located further from that shaft and adjacent the combustion spaces. Thrust rings of the swash plate assemblies have teeth in mesh with stationary toothed rims within the housing to correctly position the thrust of the pistons. Air is compressed and forced into the combustion spaces with injected fuel from one end of the housing and expelled at the opposite end. An oil pump assembly is mounted at that opposite end of the housing on the drive shaft to supply oil under pressure through ducts in the drive shaft to the various moving parts. Coolant channels are positioned to encircle each side of the combustion spaces at the center of the engine housing. Air being pressured into the combustion spaces are given a whirling motion through slots in the cylinder linings by the configurations of the channels and piston heads.
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Croyle Carlton R.
Koczo, Jr. Michael
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