Patent ID: 6604920
Filing Date: 2003-08-12
Classification: F04B

Abstract:
A dual action pumping apparatus adapted to be attached to a vibration generator, an apparatus comprising:a housing including an upper end, a lower end and two spaced sets of fluid openings disposed between and adjacent to each end; an outlet tube having a pair of inlet legs, each inlet leg secured to the housing adjacent one of the upper end or lower end, an outlet leg secured to each of the inlet legs opposite the housing, and a collector joining each of the outlet legs opposite the inlet legs, wherein the collector does not include a valve; and a plunger having top end and bottom end, that is slidably disposed within the housing and attachable to the vibration generator, a plunger capable of alternately obstructing one set of openings in the housing to pump a fluid in which the apparatus is summersed through the inlet leg positioned adjacent the obstructed openings and to open the remaining set of openings to enable fluid to flow into the housing to be pumped.