Rocking piston type compressor
AssigneeMax Co., Ltd.
InventorMasatoshi ASAI
Life of this patent
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Abstract
In a rocking piston type compressor, a piston rod 11 is rockingly slidable within a cylinder 10. The compressor is provided with a lip ring 20 and an expansion member 30. The lip ring 20 is configured to seal between the cylinder 10 and piston rod 11. The lip ring 20 is provided on a leading end portion 13 of the piston rod 11 and includes a bottom portion 21 in a circular plate shape and a lip portion 22 extending from an entire peripheral edge of the bottom portion 21 to an upper side in a height direction. The expansion member 30 is provided on an inside of the lip portion 22 and configured to outwardly expand the lip portion 22 at a side of an upper portion in the height direction of the lip portion.
Claims15
A rocking piston type compressor in which a piston rod is rockingly slidable within a cylinder, the compressor comprising:
- a lip ring configured to seal between the cylinder and piston rod, the lip ring being provided on a leading end portion of the piston rod and including a bottom portion in a circular plate shape and a lip portion extending from an entire peripheral edge of the bottom portion to an upper side in a height direction;
- and
- an expansion member provided on an inside of the lip portion and configured to outwardly expand the lip portion at a side of an upper portion in the height direction of the lip portion.
Dependencies are inferred from the claim text.