Augustus T Ashton

RE38542, Jul 6, 2004

Oct 15, 1998

09/173570

Augustus Ashton - Westboro MA
Timothy Lovett - Wellesley MA
Daniel L. Fischbach - N. Chelmsford MA

Foster-Miller, Inc. - Waltham MA

F22B 3752

122392, 122379, 122380, 122384, 122390, 122391, 122405

An upper bundle steam generator cleaning system including a cleaning head deployment and support device receivable through a hand hole of the steam generator and including retractable cylinders which raise the cleaning head up through the flow slots to position a cleaning head about a flow slot of the upper tube bundles; and a cleaning head mounted with the support device for directing fluid about the tubes of the upper bundles of the steam generator for directing fluid about the tubes of the upper bundles of the steam generator thereby cleaning the generator from the top down flushing deposits downward during the cleaning process.

20040083986, May 6, 2004

Oct 1, 2003

10/676556

Augustus Ashton - Westboro MA, US
J. Lovett - Wellesley MA, US
Daniel Fischbach - N. Chelmsford MA, US
Steven Ruggieri - Marlborough MA, US
Alan Brightman - Bridgewater MA, US
Steven Jens - Winchester MA, US

F22B037/18

122/379000, 122/459000, 015/315000

An upper bundle steam generator cleaning, inspection, and repair system including a deployment support device receivable within the steam generator to raise a cleaning device, an inspection device, and/or a tool up to the upper bundles of the steam generator.

56950039, Dec 9, 1997

Jul 19, 1994

8/277482

Augustus T. Ashton - Westboro MA
Ann Ferriter - Burlington MA
Robert F. Riemer - Andover MA

Foster-Miller, Inc. - Waltham MA

F28F 700

165 76

A system for sealing the nozzle of a steam generator including a collapsible nozzle dam and an installation pivot arm. The collapsible nozzle dam includes a base portion receivable through a manway in the steam generator for retaining an inflatable seal in place within the nozzle, a post extending from the base portion, a plurality of foot assemblies positioned radially about the post for engaging a nozzle ring around the nozzle of the steam generator, a truss structure for supporting the foot assemblies with respect to said base portion including compression legs interconnecting the foot assemblies with the base portion and tension legs interconnecting the foot assemblies with the post. The foot assemblies fold about the post for insertion thereof through the manway to unfold once inside the steam generator for engaging the nozzle ring and positioning the base portion within the nozzle. The installation pivot arm transports the collapsible nozzle dam from the manway to the nozzle and includes a support having a proximal end securable to the manway of the steam generator and a distal end securable to the nozzle ring, a nozzle dam attachment and positioning backing plate, and a four bar linkage.

55643710, Oct 15, 1996

May 6, 1994

8/239378

Augustus Ashton - Westboro MA
Timothy Lovett - Wellesley MA
Dan Fischbach - Chelmsford MA

Foster Miller, Inc. - Waltham MA

F22B 3752

122392

An upper bundle steam generator cleaning system including a cleaning head deployment and support device receivable through a hand hole of the steam generator and including retractable cylinders which raise the cleaning head up through the flow slots to position a cleaning head about a flow slot of the upper tube bundles; and a cleaning head mounted with the support device for directing fluid about the tubes of the upper bundles of the steam generator for directing fluid about the tubes of the upper bundles of the steam generator thereby cleaning the generator from the top down flushing deposits downward during the cleaning process.