The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1992
Filed:
Oct. 11, 1991
Malcolm T Gilliland, Marietta, GA (US);
Other;
Abstract
A transistor failure selection circuit and structure for ease of maintenance. The disclosed circuit and structure reduce maintenance time and costs for a welding station. The circuit biases a specific selected transistor at a different operating point than any other transistor in a bank of transistors. Upon an overcurrent condition which exceeds the design current rating of the welding station the circuit causes the specific selected transistor to fail in preference to the failure of any other transistor located in the transistor bank. The selected transistor is mounted in a readily accessible location of the welding station and is easily replaced in the event of failure. This eliminates the need for the operator to remove the entire bank of transistors and/or other components or circuits typically found in a welding station in order to access and replace the failed transistor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile