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.

Date of Patent:
Oct. 12, 1982

Filed:

May. 15, 1980
Applicant:
Inventors:

Pierre A Bouygues, Decines, FR;

Jean-Marie Delcoustal, Bron, FR;

Assignee:

Delle-Alsthom, Villeurbanne, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16T / ;
U.S. Cl.
CPC ...
137203 ; 137204 ;
Abstract

The drainage device includes a drainage chamber (9) which communicates via an inlet pipe (20) with a compressed air tank and is provided with an outlet orifice (16), elements (5,24) for closing the outlet orifice and elements (5,19,1,21) for opening the outlet orifice while partially closing off the inlet pipe. Application to gas-blast circuit breaker installations.


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