| 摘要 |
Device consisting of a generally cylindrical metal principal body with cooling fins and grooves, having, at one end, a thread identical to the thread of a spark plug, or of an injector in the case of diesel engines, of a motor vehicle, and, at the other end, another male thread for application of an air-capture accessory or the insertion of an equally metallic section constructed in order, together with the principal body, to provide the lubrication of the head of the piston of the internal- combustion-engine cylinder where the said device is applied by replacing the respective spark plug or injector, thus allowing use of the "compression" and "exhaust" strokes to obtain air for diverse applications, via a cylindrical filter placed inside it and a spherical valve and seat, which prevents the return of the air. This device is used for the most diverse applications, from simple inflation of a tyre, ball or dinghy, to the supply of a pressurized washing and/or paint drum, or, moreover, supplying suction via a suitable adapter and, furthermore, supplying pressurized air to agricultural sprayers.
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