Pressure valve for a rotary piston compressor

Details Pressure valve for a rotary piston compressor Pressure valve for a rotary piston compressor

1977-08-09

1978-11-28

Croyle, Carlton R.

Rotary expansible chamber devices

Miscellaneous

418 61A, 417454, 137856, F04C 2908, F04B 3910, F16K 1514

Patent

active

041273699

ABSTRACT:
A pressure valve arranged in a rotary piston compressor which valve is mounted in a passage or bore of the housing casing of the compressor. The last mentioned passage is axis parallel to the rotary piston compressor axis. The valve has a cylindrical cross section and can be inserted into the passage or bore parallel to the compressor axis behind an outlet opening in the track of the housing casing through a side wall of the compressor. The valve seat is formed by a longitudinally slotted tubular part which exerts a radially outwardly directed resilient force. The slotted tubular part comprises segmental valve opening slots extending parallel to the side walls of the compressor. Over the slots are located valve lugs or tongues which are cut from a thin-walled tube arranged with a precise fit in the tubular part while the roots of the valve lugs or tongues are connected to the thin-walled tube. An additional tube is with precise fit inserted into the thin-walled tube. Cut out of the additional tube are stroke-limiting lugs or tongues which are located behind the valve lugs or tongues and are curved toward the interior of the thin-walled tube, the roots of the stroke-limiting lugs or tongues being connected to the additional tube.

REFERENCES:
patent: 209525 (1878-10-01), Tonkin
patent: 2934083 (1960-04-01), Norton
patent: 3036527 (1962-05-01), Peterson
patent: 3809511 (1974-05-01), Linder et al.

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