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:
May. 19, 2020
Filed:
Jan. 25, 2017
Applicant:
Evac Oy, Espoo, FI;
Inventors:
Vesa Lappalainen, Vantaa, FI;
Mika Karjalainen, Klaukkala, FI;
Assignee:
EVAC OY, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03F 1/00 (2006.01); B63J 4/00 (2006.01);
U.S. Cl.
CPC ...
E03F 1/007 (2013.01); B63J 4/006 (2013.01); E03F 1/006 (2013.01);
Abstract
Method for controlling a vacuum sewage system for a building or for a marine vessel, which includes a vacuum unit (), vacuum piping (), a source of sewage (), and a discharge valve () between each source of sewage and the vacuum piping, wherein the vacuum unit generates a predetermined vacuum level in the vacuum piping, in which method the operation of the vacuum sewage system is monitored. In order to ensure an efficiently operating vacuum sewage system, the running time of the vacuum unit is monitored and the vacuum level of the vacuum piping is monitored.