| 摘要 |
<p>1,018,156. Spray-producers. HOERBIGER VENTILWERKE A.G. June 15, 1964 [June 25, 1963], No. 24784/64. Heading B2F. An apparatus suitable for forming an oil mist for lubrication comprises a transparent drip cowl 3, a spray head 2 located on an oil container I and traversed by an air duct 4, and a valve 5 located in said duct and pressed against an annular seat 6 by a spring 21, the body of the valve having an axial length extending from behind its point of contact with the seat greater than the diameter of the seat 6, at least part of said axial length being tapered in the direction of the air current in the duct 4. The duct 4 communicates with the container 1 via a bore 8 and the oil reaches, via passages 9, 12, 13 and a cavity 14, a passage 16 located in the region of the valve body from which passage it drips into the duct 4. A check valve 18 is provided at one end of the passage 9 and a screw valve, Fig. 2 (not shown), at the other. A groove 20 in the seat 6 by-passes the valve 5 when it is closed. The body of the valve is guided in the duct 4 by a mandrel 22 supported by a bracket 23, said mandrel engaging a blind bore 28 in the said body. The valve body adjusts itself automatically to a position corresponding to the amount of air passing through the duct. In the embodiment of Figs. 4 and 5 (not shown), the valve body is guided by integral radial fins and by a cylindrical guide member at its rear end.</p> |
