Apparatus for use in positioning a unit on a tube-plate
US4212583A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Jun 13, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S414/122
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Apparatus for use in positioning a unit successively relative to a plurality of tubes of a regular array of tubes supported by a tube-plate within an enclosure provided with an access opening, e.g. relative to the boiler tubes of a steam generator of a nuclear power station, as described in U.S. Pat. No. 4,004,698 is adapted for association with transporting apparatus for placing the positioning apparatus in the enclosure, the transporting apparatus comprising a rectilinear guide rod for passing through the access opening and for guiding a carriage provided with a coupling assembly for releasably coupling the positioning apparatus to the carriage during movement thereof between the outside and the inside of the enclosure and which are disconnectable to permit movement of the positioning apparatus across the tube-plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.