Claims
- 1. An apparatus for the submersed inspection of a cover plate welded over an access hatch in a remote submerged location in a nuclear reactor, said apparatus comprising:
- an elongate housing having a top side, a bottom side, and two sides;
- the top side of said housing having at either end thereof upwardly exposed support points for raising and lowering of said housing;
- said housing at the bottom side having an attached protruding pedestal, said pedestal provided for resting rotative support of said housing thereon;
- a first motor operably connected between said pedestal and housing for causing said housing to rotate relative to said pedestal;
- said housing bottom defining between said pedestal and one end of said housing an elongate slot for permitting sound waves to pass therethrough;
- a ultrasound mount mounted to said housing for reciprocal movement along said slot;
- a focused ultrasound transducer mounted to said mount for acoustical interrogation through water of metal disposed below said housing;
- a second motor operatively connected between said housing and mount for causing relative excursion of said mount and transducer along said elongate slot of said housing whereby said housing and rotate and acoustically interrogate metal disposed about the pedestal.
Parent Case Info
This is a division of application Ser. No. 07/293,158, filed Jan. 3, 1989, now U.S. Pat. No. 4,966,746, issued Oct. 30, 1990.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4455872 |
Kossoff et al. |
Jun 1984 |
|
4470122 |
Sarr |
Sep 1984 |
|
4752435 |
Fenemore et al. |
Jun 1988 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
293158 |
Jan 1989 |
|