ARRANGEMENT FOR PUMPING A FILTERED FLUID

A feed pump supplies a fluid through a filter to a main pump which pumps the fluid in filtered condition to a consumer. When the filter becomes clogged, a valve responsive to the increased pressure differential upstream and downstream of the clogged filter, supplies fluid for operating either a cont...

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Bibliographic Details
Main Authors BOSCH P,DT, ZELLBECK G,DT, VEIL K,DT, LUTZ G,DT
Format Patent
LanguageEnglish
Published 11.12.1973
Subjects
BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
TRANSPORTING
WEAPONS
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Summary:A feed pump supplies a fluid through a filter to a main pump which pumps the fluid in filtered condition to a consumer. When the filter becomes clogged, a valve responsive to the increased pressure differential upstream and downstream of the clogged filter, supplies fluid for operating either a control valve connecting the outlet and inlet of the main pump and causing idle circulation of the fluid, or a hydraulic regulating means for setting the main pump to a minimum discharge.
Bibliography:Application Number: USD3777888