Energy saving vacuum system for particle, mist, and fume...

Details Energy saving vacuum system for particle, mist, and fume... Energy saving vacuum system for particle, mist, and fume...

2006-12-12

2006-12-12

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S314000

Reexamination Certificate

active

07146677

ABSTRACT:
An improved energy-efficient vacuum system for machine shop dust, particulate matter, and the like. Blast gates, including large-diameter blast gates, control the flow of vacuum generated by a dust collector to individual machines that may or may not accommodate vacuum ductwork and the like. The blast gate has a rotating blade inside a chassis with a DC motor effectively using a slip clutch, an increased current feedback system, a biasing-spring assembly or otherwise to limit the rotation driving of the rotating blade. In one embodiment, the blast gate blade bears teeth about its perimeter. The DC motor engages the perimeter blade teeth with a gear. Greater mechanical advantage is achieved over the blast gate blade and less torque arises in contrast to a driving system located at the blade's central pivot point. Additionally, sensing apparatus or system calculation allow the dust collecting vacuum system to operate in an energy-efficient manner. By supplying only the vacuum needed to collect present dust, energy is saved in comparison with a dust collection system operating continuously at full capacity.

REFERENCES:
patent: 1048477 (1912-12-01), Allington
patent: 1798952 (1931-03-01), Pellegrino
patent: 3286980 (1966-11-01), Audrey
patent: 5836336 (1998-11-01), Warzecha
patent: 6012199 (2000-01-01), Litomisky et al.
patent: 6089537 (2000-07-01), Olmsted
patent: 6691981 (2004-02-01), Hart

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