| 摘要 |
A fluid pump having a piston member reciprocally disposed within a hollow cylinder utilizes the oscillating action of an external walking beam as a prime mover thereof. Turnbuckle means secure the cylinder of the compressor to a stationary surface and further provide a means for adjusting the compression ratio. The piston member possesses the ability to compensate for piston ring wear thereby maintaining the piston ring in sealing engagement with the inner wall of the cylinder.
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