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US 4,306,459 AGranted
Transducer carrier for ultrasonic testing
AssigneeConoco Inc.
InventorsAlbert S. Johnson, Bruce W. Pappan
Life of this patent
Estimating the term…
Abstract
A carrier for a plurality of transducers is disclosed. The carrier is useful in ultrasonic testing of furnace tubes. The carrier includes provision for positioning a plurality of transducers against the interior of the tubes.
Claims4
A carrier for use in determining a physical characteristic of a conduit, said carrier comprising:
- (a) an elongated carrier rod;
- (b) a fixed pivot mounting member rigidly affixed to one end of said carrier rod;
- (c) a first group of linkage arms pivotally connected to said fixed pivot mounting member;
- (d) a movable pivot mounting member slideably mounted over said carrier rod;
- (e) a second group of linkage arms pivotally connected to said movable pivot mounting member;
- (f) pivot connections and transducer holders intermediate said fixed and said movable pivot mounting members linking said first group of linkage arms with said second group of linkage arms, said pivot connections and transducer holders adapted to move radially outward from said carrier rod upon movement of said movable pivot mounting member toward said fixed pivot mounting member;
- and
- (g) an ultrasonic transducer attached to each of said transducer holders.
5 more elements
Dependencies are inferred from the claim text.