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:
Dec. 10, 1991
Filed:
May. 07, 1990
Henry W Jackson, Pasadena, CA (US);
Other;
Abstract
A .sup.3 He evaporation refrigerator, comprising an evaporator having apparatus to localize liquid and vapor phases in selected regions while allowing evaporation of liquid to occur in normal operation; two adsorption pumps connected via vent ducts with the evaporator to receive .sup.3 He vapor, alternately, there being valve means associated with each pump; heater means associated with the pumps to cause .sup.3 He desorption by the pumps; a condenser-collector to receive desorbed .sup.3 He, and electric force means to hold .sup.3 He liquid at a flow path outlet from the condenser-collector; and a flow path from the condenser-collector back to the evaporator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile