Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-04-20
1982-09-28
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
F23J 302
Patent
active
043510825
ABSTRACT:
An accessory transmission conversion mechanism of the type disclosed in the U.S. Pat. No. 4,177,539, to Elting, for causing the lance tube of a long retracting soot blower to oscillate about its longitudinal axis, is provided with a lost motion driving connection between the yoke driving gear and the crank of the Scotch yoke which generates the oscillating motion. A holding portion on the gear permits locking out such lost motion when desired. When lost motion is present, the blowing path is automatically changed when the blower reverses. When locked out, the blowing pattern is changed so that the jet traces the same path in each direction of movement.
REFERENCES:
patent: 3230568 (1966-01-01), Saltz
patent: 3439376 (1969-04-01), Nelson et al.
patent: 4177539 (1979-12-01), Elting
Ackerman Dean C.
Smith Don W.
Moore Chris K.
The Babcock & Wilcox Company
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