Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1983-01-31
1985-08-06
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15339, 417392, A47L 538
Patent
active
045326703
ABSTRACT:
A vacuum booster and filter, including a manifold having at least two nipples which connect, respectively, to a vacuum source and at least one vacuum utilization device. The latter may either be a vacuum-operated holding fixture or a vacuum-operated desoldering instrument. The booster itself includes a manifold with two or four nipples which may either extend laterally or upwardly. The booster also includes a hollow cylinder connected to the manifold by a narrower neck portion. A piston is disposed in the cylinder which is urged away from the manifold by a compression spring. Hence, when the vacuum pump is operating to pull out air from the vacuum utilization device, the air is partially stored in the vacuum booster and tends to urge the piston downwardly. The air that can be stored in the booster depends on the area of the booster multiplied by the spring force. The compressible filter of cylindrical form may be housed in the manifold and may consist of two parts, one of which acts as a spring. Alternatively, the filter may be toroidal in shape and spaced from the cover to provide a plenum to facilitate free air flow.
REFERENCES:
patent: 2648867 (1953-08-01), Erling
patent: 3443274 (1969-05-01), Rankin
patent: 4110058 (1978-08-01), Langle et al.
patent: 4177023 (1979-12-01), Kamiya et al.
patent: 4350477 (1982-09-01), Mazal
Anderson Daniel T.
Moore Chris K.
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