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:
Jan. 06, 1981
Filed:
Jun. 18, 1979
Applicant:
Inventor:
Peter E Blomberg, Stockholm, SE;
Assignee:
Aktiebolaget Electrolux, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; F25B / ; F25B / ; B60H / ;
U.S. Cl.
CPC ...
62148 ; 62236 ; 6223 / ; 62239 ; 62476 ;
Abstract
An absorption refrigeration system has an electric heater connectable to an electric power source, and a gas burner connectable to a gas supply. A voltage responsive circuit is connected to disable the gas burner circuit when the voltage of an electric supply means is above a determined level, and to disable the electric heating circuit and enable the gas heating burner when the voltage is below the determined value.