Improvements in Air or Gas Exhausting Pumps
8408. Toupikof, M., and Graham, C. K. May 7. Exhausting.-To avoid clearance in an exhausting- pump, the base of the cylinder f is conical and fits the piston b, which is immersed in oil or other liquid at the end of the down-stroke. A suction valve with a flexible face g occupies the apex of the con...
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| Zusammenfassung: | 8408. Toupikof, M., and Graham, C. K. May 7. Exhausting.-To avoid clearance in an exhausting- pump, the base of the cylinder f is conical and fits the piston b, which is immersed in oil or other liquid at the end of the down-stroke. A suction valve with a flexible face g occupies the apex of the cone, and its spindle is kept airtight by an india-rubber sleeve k. The delivery valve c is contained in the piston with inclined passages e eading down to it. |
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