Device for the disengagement of a nuclear reactor fuel element from an articulated finger grapnel and method of using same

Patent · Tue Jan 17 00:00:00 EST 1984

OSTI ID:6641649

Chollet, F

Device for the underwater disengagement of a nuclear reactor fuel element from a grapnel with at least two articulated fingers. The device is designed to be placed on the end of a duct for positioning fuel elements and includes jacks for adjusting the relative positions of the device and the grapnel-fuel element unit and for maintaining these positions, further jacks for unfastening the fingers of the grapnel from the body of the grapnel and still further, jacks for tilting the fingers of the grapnel so as to enable the fingers to release their hold on the fuel element.

• Assignee: Framatome (France)
• Patent Number(s): US 4426353
• Application Number: TRN: 84-017398
• OSTI ID: 6641649
• Resource Relation: Patent File Date: Filed date 19 May 1981; Other Information: PAT-APPL-265020
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
FUEL ELEMENTS
POSITIONING
REMOTE HANDLING EQUIPMENT
REACTORS
DESIGN
HYDRAULIC CONTROL DEVICES
OPERATION
TILT MECHANISMS
GRABS
UNDERWATER
CONTROL EQUIPMENT
EQUIPMENT
LEVELS
MATERIALS HANDLING EQUIPMENT
REACTOR COMPONENTS
220300* - Nuclear Reactor Technology- Fuel Elements