Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1984-01-09
1987-03-17
Koczo, Michael
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 76, 294 94, 403 16, 403369, 279 2R, 414744R, 414749, B25J 904
Patent
active
046499890
ABSTRACT:
A steam generator having a steam generator chamber, a tube plate bordering the chamber, tubes terminating in the tube plate being accessible through the steam generator chamber, a tubular column in the steam generator chamber having an end facing toward the tube plate, and a swivel arm extended from the tubular column being movable parallel to the tube plate for carrying a device for testing and/or repairing the steam generator tubes, includes a clamping element for positioning the tubular column relative to a tube of the tube plate, and a coupling being detachable from outside the steam generator chamber connecting the clamping element to the tubular column, the clamping element including a drive element disposed in the tubular column, an expansion plunger connected to the drive element for axially inserting the expansion plunger partially into a tube, an expansion sleeve formed of separate clamping jaws for engaging the tubes, the clamping jaws having ends being insertible into a tube, and a holding element movable by the expansion plunger for engaging the ends of the clamping jaws, the expansion plunger being axially movable toward the tubular column by the drive element in a opening motion causing the clamping jaws to release the tube, and the expansion plunger being axially movable away from the tubular column in a closing motion causing the clamping jaws to engage the tube.
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Forch Heiko
Mehr Lothar
Vermaat Huibrecht P.
Brown Boveri Reaktor GmbH
Ford John K.
Greenberg Laurence A.
Koczo Michael
Lerner Herbert L.
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