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:
Nov. 11, 1986
Filed:
Jan. 07, 1985
Applicant:
Inventor:
Vaino Kilpi, Espoo, FI;
Assignee:
Oy Wartsila Ab, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03D / ;
U.S. Cl.
CPC ...
4431 ; 137205 ; 1374925 ;
Abstract
Flushing operating means for a toilet or the like connected to a vacuum sewer, comprising flushing operating means such as a motor generating force by means of the vacuum of the sewer, a water valve, a sewer valve, and valve operating means for opening and closing of the water valve and the sewer valve when the toilet is to be drained and flushed. The flushing operating means is prior to the operating of said valves accumulating a sufficient amount of energy for a complete operating cycle of said motor and sewer valves.