Internal-combustion engines – Multiple cylinder – Cylinders radiating
Patent
1997-01-25
1998-06-16
Okonsky, David A.
Internal-combustion engines
Multiple cylinder
Cylinders radiating
123 543, 123 561, F02B 7526
Patent
active
057655120
ABSTRACT:
Apparatus for converting between rotary motion and reciprocating linear motion includes a sleeve mounted for rotation about a predetermined axis, radially reciprocable pistons located radially outwardly of the sleeve, and axially reciprocable pistons located radially inwardly of the sleeve. The radial pistons are operatively connected to an outer diameter portion of the sleeve which is formed with a lobed cam surface having multiple angularly spaced lobes for simultaneous reciprocation of the radial pistons and rotation of the sleeve, and the axial pistons are operatively connected to a groove formed in the inside diameter portion of the sleeve for simultaneous reciprocation of the axial pistons and rotation of the sleeve. Power input may be provided by a rotationally driven shaft assembly which is operably connected to the sleeve for rotation of the sleeve such as by the provision of a second groove which is formed in the shaft assembly and which is shaped to compliment the groove of the sleeve for reciprocably driving the axial pistons. Alternately, a predetermined number of pistons may be adapted for the combustion of a fuel, the remaining pistons being operable to, for example, pump a fluid and the shaft being capable of providing rotary output, thus enabling operation as an engine, a pump, a compressor, or like machinery, or as a combination thereof.
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