Air pump

Details Air pump Air pump

2006-10-31

2006-10-31

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Separate liner portion

C415S144000, C415S167000

Reexamination Certificate

active

07128525

ABSTRACT:
An air pump has a casing, a motor assembly, a fan assembly, a faceplate and a sliding valve assembly. The motor assembly is mounted in the casing and has a motor. The fan assembly has a fan housing, an inlet manifold, an inlet plate and a centrifugal impeller. The centrifugal impeller is mounted rotatably in the fan housing and connects to the motor. The sliding valve assembly is hollow, is mounted slidably between the faceplate and the motor assembly and has a rear, a partition and an air passage. The partition extends into the sliding valve assembly. The air passage is formed between the partition and the rear. The air pump inflates when the air passage aligns with in the inlet manifold. The air pump deflates when the air passage aligns with the fan housing.

REFERENCES:
patent: 3147909 (1964-09-01), Novitsky
patent: 3375539 (1968-04-01), Loepsinger
patent: 6413056 (2002-07-01), Chou

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