发明名称 |
Portable vacuum pump apparatus |
摘要 |
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.
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申请公布号 |
US2007140874(A1) |
申请公布日期 |
2007.06.21 |
申请号 |
US20060531056 |
申请日期 |
2006.09.12 |
申请人 |
NICHIDEN KOGYO KABUSHIKI KAISHA |
发明人 |
OHASHI TOSHIFUMI;SUWA SHIGERU |
分类号 |
F04B35/04 |
主分类号 |
F04B35/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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