Piston arrangement
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United States of America Patent
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-
Dec 8, 2020
Grant Date -
Oct 24, 2019
app pub date -
Jun 28, 2019
filing date -
Jan 15, 2014
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A piston arrangement is provided. The piston assembly includes a track and a piston moveable within a cylinder. The track is rotatable relative to the cylinder about an axis of rotation and has a cam surface and an edge surface extending away from the cam surface. The piston is coupled to the track by a follower running on the cam surface. The cam surface is shaped such that, as the track moves relative to the cylinder, the piston head moves in reciprocating motion within the cylinder along a piston axis in accordance with the path of the cam surface. The piston axis is perpendicular to the track axis of rotation. A stabilizing element is connected to the piston, the stabilizing element extending below the piston head and comprising a contact surface which engages the edge surface of the track.
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