(under subclass 39) Device wherein the piston-follower is subjected to a pulse of fluid pressure to force a given amount of lubricant from its receptacle in one shot, the piston-follower subsequently returning to its initial position and the receptacle being refilled from a reservoir to complete the cycle and await the next pulse.
SEE OR SEARCH THIS CLASS, SUBCLASS:
7.4, for a similar device included in a system.
SEE OR SEARCH CLASS
123, Internal Combustion Engines,
446+, for an internal combustion engine having a fuel injection device.
239, Fluid Sprinkling, Spraying, and Diffusing,
88+, for an injection nozzle and pump. 261, Gas and Liquid Contact Apparatus
