Accession Number : ADD003158

Title :   A Self-Contained, Portable, Underwater Stud Welder.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Powers,Gaylord D

Report Date : 21 Jul 1976

Pagination or Media Count : 19

Abstract : The patent application relates to a self-contained, portable, underwater stud welder including a hand-held welding gun and a battery powered backpack. The welder uses a bank of rechargable nickel-cadmium batteries which charges a storage inductor, the energy of the inductor being transferred to a bank of capacitors, providing a high efficiency method of charging the capacitor bank so the battery bank is kept small.

Descriptors :   *Underwater equipment, *Plasma arc welding, *Patent applications, Portable equipment, Nickel cadmium batteries, Power supplies, Hand held

Subject Categories : Machinery and Tools

Distribution Statement : APPROVED FOR PUBLIC RELEASE