Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1992-08-25
1994-10-04
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 211, 451246, 451252, A46B 1302
Patent
active
053513630
ABSTRACT:
A poppet valve cleaner 10 includes a frame 20, a poppet valve brush assembly and a carriage assembly. The poppet valve brush assembly includes a drive motor 32 and a pair of cup shaped steel wire brushes 44 and 46 driven by the motor. The carriage assembly includes a carriage support shaft 54 and a carriage plate 64 that is pivotally and slidably attached to the carriage support shaft. A chuck assembly 86 is mounted on the carriage plate 64. A drive roller 138 is mounted in the side walls 88 and 90 of the chuck assembly and is rotated by an electric motor 144. A valve stem 14 is positioned between idler rollers 96 and 98 and compression roller 108 that is biased toward the idler rollers by a compression spring 134. The idler rollers 96 and 98 are driven by drive roller 138 to rotate the poppet valve. The carriage plate 64 is manually movable to position the valve head 16 between the steel wire brushes 44 and 46 and to move surfaces of the valve into contact with the brushes to remove carbon from the valve. After carbon is removed, the handle 84 is moved to the left and down to release the chuck 86, to pivot rollers 166 and 168 away from the valve, and to move the second shield 182 away from the poppet valve thereby allowing removal of a cleaned valve.
REFERENCES:
patent: 2177898 (1939-10-01), Leguillon et al.
patent: 2269658 (1942-01-01), George et al.
patent: 2576333 (1951-11-01), Earll
patent: 2682065 (1954-06-01), Nelson et al.
patent: 4428160 (1984-01-01), Willemsen et al.
patent: 4930261 (1990-06-01), Tiegs et al.
patent: 4987701 (1991-01-01), Humbert
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