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:
Mar. 30, 1993
Filed:
Jan. 21, 1992
Applicant:
Inventors:
Wolfgang Volker, Tonisvorst, DE;
Karl F Striewisch, Essen, DE;
Assignee:
Messer Griesheim GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
169 11 ; 169 70 ;
Abstract
A fire extinguishing device has a storage tank for a low-boiling liquefied gas which serves as the extinguishing agent. At least one connection line is equipped with a shut-off valve and an outlet nozzle leading from the storage tank into the area to be protected. A fire monitoring device which actuates the shut-off valve has sensors in the area to be protected. A cryo-compressor is located in the head space of the storage tank connected with an external cooling mechanism.