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. 27, 1983
Filed:
Dec. 11, 1981
Gary L Mills, Boulder, CO (US);
Beech Aircraft Corporation, Wichita, KS (US);
Abstract
A cryogenic fuel system for an internal combustion engine utilizing both the liquid and vapor of a saturated liquid fuel comprising an insulated storage tank having inner and outer walls a vapor tube passing through the walls of the tank with its open end positioned approximate the top of the tank above the liquid level and its opposite end connected to the engine; a liquid entry and exit tube passing through the walls of the tank with a portion of the tube at or above the open end of the vapor tube, the liquid tube extending downwardly to the bottom portion of the tank to its open end; a first pressure-actuated valve means positioned in the vapor tube having an open or closed position which opens the vapor tube to the engine when the tank pressure exceeds a predetermined pressure; and a second valve means in the liquid tube having an open and closed position which opens the liquid tube to the engine when the engine is running.