Tool and inspection-instrument carrier for an apparatus for examining or repairing a steam generator
AssigneeABB Reaktor GmbH
InventorBoris Osusko
Life of this patent
Estimating the term…
Abstract
An apparatus is disposed below a tube plate in a chamber of a steam generator which is accessible through a manhole, for examining and/or repairing steam-generator tubes in the tube plate. A tool or inspection-instrument carrier of the apparatus includes a pneumatic swivel cylinder detachably connected to the apparatus. The swivel cylinder has a housing and an output shaft. A feed unit is supported on the output shaft. A flexible shaft is axially movable by the feed unit. A compressed-air motor is associated with the housing for driving the flexible shaft.
Claims3
In an apparatus disposed below a tube plate in a chamber of a steam generator accessible through a manhole for examining and/or repairing steam-generator tubes in the tube plate, a tool or inspection-instrument carrier, comprising a pneumatic swivel cylinder detachably connected to the apparatus, said swivel cylinder having a housing and an output shaft, a feed unit supported on said output shaft, a flexible shaft being axially movable by said feed unit, and a compressed-air motor associated with said housing for driving said flexible shaft.
Dependencies are inferred from the claim text.