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:
Sep. 09, 1986
Filed:
Feb. 07, 1985
Harvey W Mikulecky, Oconomowoc, WI (US);
RTE Corporation, Brookfield, WI (US);
Abstract
An underoil primary circuit breaker having a fixed contact assembly and a rod contact, a trip-free latch mechanism for moving the rod contact toward and away from the fixed contact, a temperature responsive magnetically controlled trip assembly for releasing the latch mechanism, and cross blast car interrupter for extinguishing the arc produced between the rod contact and fixed contact assembly, the interrupter including a core formed from an arc extinguishing material and defining within a reinforced case a pressure chamber, a pressure relief chamber, an arc passage connected to the pressure chamber and a vent passage connected to the vent chamber; high and low pressure exhaust ports are provided between the arc passage and the vent passage and a throttling tube is provided in the pressure relief chamber to vent gases into the transformer.