Cleaning apparatus using compressed air

Details Cleaning apparatus using compressed air Cleaning apparatus using compressed air

2007-06-26

2007-06-26

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S304000, C015S316100, C015S319000

Reexamination Certificate

active

10471034

ABSTRACT:
A cleaning apparatus has a compressor (12), an electromagnetic valve (33) connected to the compressor (12), and first to third timers (27to29). The first timer (27) sets an open/close time and a close time for repeatedly opening and closing an electromagnetic valve (33). The second timer (28) sets a time for feeding compressed air into a pipe (35). The third timer (29) stops the operation of the second timer (28) until an activation inhibition time elapses from a point at which the pressure of the compressed air has reached a predetermined upper limit, and further permits the operation of the second timer (28) after the activation inhibition time elapses.

REFERENCES:
patent: 5311641 (1994-05-01), Matsuura et al.
patent: 5355844 (1994-10-01), Kendrick
patent: 5649338 (1997-07-01), Kato
patent: 5860187 (1999-01-01), Flaszynski et al.
patent: 2-37236 (1983-09-01), None
patent: 11-131543 (1999-05-01), None
patent: 2000-157939 (2000-06-01), None
patent: 2000-246202 (2000-09-01), None
patent: 2002-054199 (2002-02-01), None

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