Bidirectional air pump

Details Bidirectional air pump Bidirectional air pump

2007-10-23

2007-10-23

Eashoo, Mark (Department: 3709)

Pumps

Motor driven

Electric or magnetic motor

C417S423100, C417S326000, C417S234000, C141S313000, C005S713000, C005S655300, C251S129150, C251S320000

Reexamination Certificate

active

10950464

ABSTRACT:
A bidirectional air pump to selectively inflate or deflate an inflatable object has a housing, a pump assembly and a motor. The housing has a controller cover, a pump cover, and a motor cover. The pump assembly is mounted inside the housing and has a centrifugal pump, a binary supply/discharge valve assembly, a selectable check valve assembly and a valve controller. The motor is mounted inside the housing. The valve assembly and the motor cooperate to pump air into or draw air out of an air mattress or inflatable sofa.

REFERENCES:
patent: 1016573 (1912-02-01), Maddon
patent: 1192141 (1916-07-01), White
patent: 2005443 (1935-06-01), Steele
patent: 4150693 (1979-04-01), Genevey et al.
patent: 4331420 (1982-05-01), Jones
patent: 4838953 (1989-06-01), Pankowiecki
patent: 6237653 (2001-05-01), Chaffee
patent: 6530751 (2003-03-01), Song et al.
patent: 6543073 (2003-04-01), Wu
patent: 2004/0202559 (2004-10-01), Yen
patent: 2006/0210413 (2006-09-01), Chung

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