Patent Number: 8,819,911

Title: Method and apparatus for jet pump restrainer assembly repair

Abstract: A method and apparatus for repairing and/or preventatively maintaining a jet pump restrainer assembly used in a Boiling Water Reactor (BWR), the repair including attaching a bearing plate or plates to a horizontal surface of a jet pump restrainer assembly bracket, the bearing plate or plates acting to supplement and/or replace an existing contact surface between a mixer wedge and the jet pump restrainer assembly bracket of a jet pump restrainer assembly.

Inventors: Sprague; Robin D. (Wilmington, NC), Defilippis; Michael S. (Wilmington, NC), Lenz; Mark O. (San Jose, CA)

Assignee: GE-Hitachi Nuclear Energy Americas LLC

International Classification: B23Q 7/04 (20060101)

Expiration Date: 9/02/12018