Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1976-02-02
1976-12-28
Queisser, Richard C.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73 715US, G01N 2904
Patent
active
039994236
ABSTRACT:
An ultrasonic apparatus for inspecting ferromagnetic surfaces is described. The apparatus comprises a central main frame having two support frames in hinged attachment to it with one support frame on either side of the main frame. Two axles extend through each support frame and each axle has a roller formed at least in part of permanent magnetic material mounted on its outer end and a sprocket wheel mounted on its inner end. Motor drive means are mounted on each support frame. Two sprocket wheels are mounted on the motor drive shaft and a chain drive connects the sprocket wheels on the drive shaft with those on the axles. A support bracket is mounted on the forward end of the main frame. An axle extends through the support bracket and mounted on the axle are a roller and an ultrasonic transducer. The apparatus may be placed on a vertical ferromagnetic wall where it is held by the permanent magnetic material of the rollers. Each pair of rollers is separately driven by the engaged motor so that the apparatus may be caused to move in any direction by varying the rates at which the two pairs of rollers are rotated.
REFERENCES:
patent: 3682265 (1972-08-01), Hiraoka et al.
patent: 3810515 (1974-05-01), Ingro
patent: 3844164 (1974-10-01), Romere
Beauchamp John P.
Queisser Richard C.
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