Dual-chamber air pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 30, 2003
Grant Date -
Aug 21, 2003
app pub date -
Feb 20, 2002
filing date -
Feb 20, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air pump having a housing with a blower therein and an outlet and a control box. The control box has two conduits respectively and oppositely defined in a side face of the box, and two magnetic valves movably received in the control box and each corresponding to one of the conduits so as to selectively seal the conduits. The magnetic valve comprises a coil with a hole defined in a side face of the coil, a plug which has one free end movably received in the hole, a spring compressibly mounted between the side face of the coil and the plug and a pad securely attached to the other free end of the plug to selectively seal the conduit.
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Cited Art Landscape
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