Rotary expansible chamber devices – Positively actuated abutment – Cam actuated
Patent
1993-07-23
1994-09-27
Bertsch, Richard A.
Rotary expansible chamber devices
Positively actuated abutment
Cam actuated
418231, 418211, 277 25, F01C 100
Patent
active
053502876
ABSTRACT:
A rotary engine includes a stationary engine block and a power shaft mounted along a central axis for rotation with the engine block. An annular working chamber is formed in the engine about the central axis. A working member is connected to the power shaft to travel in a circular path about the central axis through the annular working chamber. The engine block has an elongated passage which extends through or across the annular working chamber in a direction perpendicular to the travel of the working member. An elongated bar is received within the elongated passage for slidable movement therethrough between first and second positions. The elongated bar includes a slot which is aligned with the annular working chamber when the elongated bar is in its first position to allow passage of the working member therethrough. The elongated bar forms a wall across the annular working chamber when the working member is in its second position to divide the annular working chamber into expansion and exhaust chambers.
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Bertsch Richard A.
Freay Charles G.
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