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. 01, 1994
Filed:
Jan. 25, 1993
Christopher J Clear, Columbia City, IN (US);
John M Grooms, Rochester, IN (US);
Blake V Ricks, Rochester, IN (US);
Burton Mechanical Contractors, Inc., Rochester, IN (US);
Abstract
A compact, self-contained, portable vacuum toilet system having a sump for collecting waste liquids by means of gravity, a differential pressure-operated discharge valve for regulating withdrawal of waste liquids from the holding sump for transport to a vacuum collection tank during a transport cycle, differential pressure-operated sensor and controller valves for regulating operation of the discharge valve in response to a hydrostatic pressure condition inside the holding sump, and a push button-operated water valve for adding water to the toilet bowl during and immediately after a flush cycle. A sink and its own push button-operated water valve may also be provided.