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Toilets with improved removability for passenger transport vehicles

  • US 10,011,358 B2
  • Filed: 05/25/2016
  • Issued: 07/03/2018
  • Est. Priority Date: 01/30/2013
  • Status: Active Grant
First Claim
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1. A valve system for use on-board a passenger transport vehicle, the valve system comprising:

  • (a) a toilet frame configured to support a toilet bowl and a flush valve,(b) a flush valve body configured to be fluidly connected to a waste outlet of the toilet bowl via a connection feature, the flush valve body having a vacuum waste system connection arm and a toilet bowl outlet connection arm;

    the toilet bowl outlet connection arm shaped to cooperate with the waste outlet of the toilet bowl and having at least one portion of the connection feature;

    the waste outlet of the toilet bowl having at least a second portion of the connection feature, wherein the connection feature allows removal of the flush valve body from the waste outlet of the toilet bowl without removal of the toilet bowl or the toilet frame;

    (c) a removable rinse ring comprising a lower outlet valve attachment;

    (d) a rinse valve configured to be fluidly connected and directly coupled to the removable rinse ring via the lower outlet valve attachment of the rinse ring,(e) wherein the toilet frame further comprises a bracket,wherein retention of the rinse ring on the toilet frame sandwiches the rinse valve between the rinse ring and the bracket.

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