Internal-combustion engines – Rotary – With transfer means intermediate single compression volume...
Patent
1993-03-05
1994-12-20
Bertsch, Richard A.
Internal-combustion engines
Rotary
With transfer means intermediate single compression volume...
418125, 418168, 29 34R, 2988804, F02B 5304
Patent
active
053738195
ABSTRACT:
The rotary piston (6) with rotation axis C performs a relative rotation in an annular cylinder (1) with rotation axis O which is displaced with respect to said piston axis (C) by an eccentricity e. The cylinder (1) comprises three chambers (2) having cylindrical surfaces (3) which engage the piston (6). The piston (6) has two semi-cylindrical surfaces connected by connecting surfaces (8). Each connecting surface (8) has a shape generated by replacing one of the three rollers with a machine tool (5') and displacing the piston with the other two rollers (5). The surface of said piston (6) is continually supported on three rollers (5) of said cylinder (1). The relative position, i.e. the relative movement of said piston (6) and said cylinder (1), is rigidly determined by the support of the piston on rollers (5) and by the eccentricity (e) between the piston and the cylinder axes. The machine can be used as a combustion engine, a volumetric pump, or as a hydraulic motor. The rotational movements of the piston and of the cylinder are well equilibrated without any unbalance, and the machine can turn at high speeds without vibrations and without noise. As a combustion engine, it allows a high efficiency, a minimum pollution and a high specific power.
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Bertsch Richard A.
Freay Charles G.
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