Internal-combustion engines – Reciprocating cylinder – Two-cycle
Patent
1980-01-14
1982-05-25
Feinberg, Craig R.
Internal-combustion engines
Reciprocating cylinder
Two-cycle
123 4135, 123 55AA, 123 56C, 123 65S, 123196M, F02B 5900
Patent
active
043311083
ABSTRACT:
An engine comprising; a substantially cylindrical housing; a rotor rotatably mounted in said housing on an axis parallel with the longitudinal central axis of the housing to execute an orbital motion within the housing, a plurality of tubular elements each slidably mounted over fixed piston elements projecting substantially inwardly from the housing; said tubular elements being closed at their inner ends and having their inner ends in slidable driving engagement with said rotor for causing reciprocation of the tubular elements over the piston elements upon rotation of the rotor; and the volume of the space defined by the interior of the tubular element and the piston element varying with the rotation of the rotor. The wall of the housing surrounding each side of each piston element defining an annular slot, and the side walls of the tubular element are sealingly and slidably engaged in the slot to form a pumping space between the walls of the tubular element and the sides of the slot of variable volume with the reciprocation of the tubular element. An air inlet port is formed in the housing in communication with said slot, and a port extends through the tubular element from said slot into the combustion space defined between the interior of the tubular element and the piston to pump air into that space. The rotor has a rotor duct therein opening onto the faces of the rotor adjacent the inner ends of the tubular elements, and the tubular elements have supply ducts formed therein opening at one end of the inner end such that they periodically communicate with the rotor duct on orbital rotation of the rotor, the other ends of the supply ducts opening into the faces of the tubular element which are in slidable engagement in the slot, the rotor duct being connected to a lubricant supply associated with the engines.
REFERENCES:
patent: 883374 (1908-05-01), Westendarp
patent: 1702686 (1929-02-01), Davis
patent: 2067496 (1937-01-01), McCarthy
patent: 2786458 (1957-03-01), Luttrell
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