| 摘要 |
The present invention relates to a balanced pendulum mechanism that is useful in devices such as vacuum pumps, compressors, engines and blowers. The mechanism includes a pair of toroidal shaped cylinders originating from the centerline of a central axis, with each cylinder structurally arranged to receive and cooperate with a plunger attached to a pendulum arm that is pivotally anchored to the central axis. The pendulum arms are linked to connecting rods mounted to the crankshaft to complete the pendulum mechanism which is operable with or without lubrication.
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