PORTABLE PUMP

An explosion proof portable pumping unit instantaneously available for pumping flammable fluids. The pumping unit comprises a housing internally divided into three compartments, a diaphragm pump mounted within one compartment, an electric motor mounted within a second compartment and connected to th...

Full description

Saved in:
Bibliographic Details
Main Author LUDWIG P,US
Format Patent
LanguageEnglish
Published 04.12.1973
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
Online AccessGet full text

Cover

More Information
Summary:An explosion proof portable pumping unit instantaneously available for pumping flammable fluids. The pumping unit comprises a housing internally divided into three compartments, a diaphragm pump mounted within one compartment, an electric motor mounted within a second compartment and connected to the pump with a shaft extending through an aperture in the dividing wall, a battery electrically connected to the motor and mounted within the same compartment as the motor, a flame-propagation prevention sleeve concentric around the shaft for preventing a spark originating in the motor compartment from passing along the shaft into the pump compartment and causing an explosion therein, and a switch mounted within a third compartment which is segregated from the other two compartments for energizing the motor from the battery.
Bibliography:Application Number: USD3776666