Portable vacuum pump apparatus

The invention provides a portable vacuum pump apparatus that facilitates vacuuming to purge the air from a fluorocarbon refrigerant piping system of an air conditioner. A portable vacuum pump apparatus is used to purge the air from a fluorocarbon refrigerant piping system of an air conditioner by me...

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Bibliographic Details
Main Authors SUWA SHIGERU, OHASHI TOSHIFUMI
Format Patent
LanguageEnglish
Published 21.06.2007
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:The invention provides a portable vacuum pump apparatus that facilitates vacuuming to purge the air from a fluorocarbon refrigerant piping system of an air conditioner. A portable vacuum pump apparatus is used to purge the air from a fluorocarbon refrigerant piping system of an air conditioner by means of vacuuming. The portable vacuum pump apparatus includes a main body having a suction port portion and an exhaust port portion. The main body is provided with a rotating body that is rotatably disposed. An electric screwdriver receiving portion adapted to permit an electric screwdriver to be inserted therein is formed in an axial end of a rotor shaft of the rotating body, i.e. an end projecting outward from the main body.
Bibliography:Application Number: US20060531056