Title:
LIQUID PRESSURE REVERSING METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JPS54146003
Kind Code:
A
Abstract:
A liquid metering pump has power-operated poppet valves in its intake and return conduits. The quantity of liquid discharged is controlled by a movable cam which determines how long the liquid return conduit is open. A switch operated by a portion of a pumping diaphragm prevents excess pressure from damaging the pump.
Inventors:
ROBAATO KENESU PUFUREGAA
Application Number:
JP5469679A
Publication Date:
November 14, 1979
Filing Date:
May 02, 1979
Export Citation:
Assignee:
ECODYNE CORP
International Classes:
F04B7/00; F04B43/02; F04B13/00; F04B49/24; (IPC1-7): F04B13/00; F04B43/02
Previous Patent: JPS54146002
Next Patent: GEAR PAIR AND INVERSION ECCENTRIC ASSEMBLY FOR REVERSIBLE ONEWAY FLOW LIQUID PUMP
Next Patent: GEAR PAIR AND INVERSION ECCENTRIC ASSEMBLY FOR REVERSIBLE ONEWAY FLOW LIQUID PUMP