Built-in electric air pump for inflatable product

Details Built-in electric air pump for inflatable product Built-in electric air pump for inflatable product

2009-05-12

2011-10-11

Guharay, Karabi (Department: 2889)

Pumps

Motor driven

Electric or magnetic motor

C417S234000

Reexamination Certificate

active

08033800

ABSTRACT:
The present invention disclosed a built-in electric air pump for inflatable product, including a housing, a panel cover, an impeller, a motor, an intake, an air valve orifice, an air valve and an air passage part forming a motor chamber, an impeller chamber and an air passage in the housing, wherein an air passage directional chamber is formed by the air passage part, which is the junction of the air passage, the intake and the air valve orifice; an air passage directional valve is mounted within the air passage directional chamber; a motor chamber's air inlet is located on the wall of the air passage directional chamber; and the air passage directional valve has a heat dissipation and pressure release outlet which is used for pressure release, air exhaust and heat dissipation during the inflation process and used for drawing-in cool air from the environment during the deflation process. The present invention has a simple structure. A heat dissipation and pressure release outlet is arranged in the passage directional valve, which results in good heat dissipation and prevents the inflatable product from exploding as excess inflation pressure. Furthermore, the additional seal assembly with double leakproof function prevents the airbed inflated with air from leaking for a long time.

REFERENCES:
patent: 5388970 (1995-02-01), Muckelmann et al.
patent: 5457846 (1995-10-01), Kuwano et al.
patent: 6036456 (2000-03-01), Peters et al.
patent: 101225825 (2008-07-01), None

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