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:
Feb. 03, 1981
Filed:
Oct. 24, 1978
Josef Meier, Engelburg, CH;
Filtrox Maschinenbau A.G., Engelburg, CH;
Abstract
A candle filtration unit of the type having a filter vessel, a wall plate disposed within the vessel and dividing its interior into a lower feed section and an upper discharge section, a plurality of filter candles suspended from the wall plate, a sediment receptacle connected to the lower feed section via shut-off means, and means for supplying cleaning liquid to the upper section to create a backflow through the unit to remove sediment deposited on the filter candle, is provided with accumulating means associated with the upper end of each filter candle to prevent the flow of cleaning liquid into the candles until an adequate quantity of liquid has accumulated in the discharge section and a predetermined pressure differential between the pressure in the discharge section and the pressure in the feed section is achieved.