| US 7,588,425 B2 | ||
| Reversible inflation system | ||
| Tsai Chun Chung, Tanshui (Taiwan) | ||
| Assigned to Aero Products International, Inc., Wauconda, Ill. (US) | ||
| Filed on Mar. 18, 2005, as Appl. No. 11/84,219. | ||
| Prior Publication US 2006/0210413 A1, Sep. 21, 2006 | ||
| Int. Cl. F04B 19/00 (2006.01); A47C 27/08 (2006.01) | ||
| U.S. Cl. 417—315 [5/713] | 11 Claims |
| 1. A reversible inflation system for a bladder comprising:
a housing;
a motor located within said housing;
a unidirectional impeller operatively attached to said motor within said housing;
a valve traversing a first wall of said housing; and
a slide located adjacent to an orifice in said housing; said slide having a first and a second position, wherein in said first
position, said impeller moves air from said orifice to said valve, and in said second position, said impeller moves air from
said valve to said orifice;
a motor chamber for containing said motor;
a first opening located in said motor chamber;
a unidirectional impeller chamber for containing said impeller;
an second opening located in said impeller chamber;
a third opening operatively connecting said motor chamber and said impeller chamber;
at least one air channel located within said housing and operatively connected to said valve; and
a fourth opening operatively connected to an interior of said slide.
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