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Modular vacuum toilet with line replaceable units

DC CAFC
  • US 6,353,942 B1
  • Filed: 11/16/2000
  • Issued: 03/12/2002
  • Est. Priority Date: 11/16/2000
  • Status: Expired due to Term
First Claim
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1. A modular vacuum toilet for use in a vacuum toilet system having a sewer line placeable under partial vacuum pressure and a source of rinse fluid, the modular vacuum toilet comprising:

  • a frame support structure having a top with an opening therethrough;

    a removable bowl including a sidewall sized for insertion into the opening and having an out-turned flange supported by the top of the support structure, the bowl defining an outlet and having a rinse fluid dispenser associated therewith; and

    a valve set module including;

    a discharge valve having an inlet in fluid communication with the bowl outlet, an outlet in fluid communication with the sewer line, and a moveable discharge valve member disposed between the discharge valve inlet and outlet;

    a rinse fluid valve having an inlet in fluid communication with the source of rinse fluid, an outlet in fluid communication with the rinse fluid dispenser, and a movable rinse fluid valve member disposed between the rinse fluid valve inlet and outlet; and

    a flush control unit having a circuit board operably connected to the discharge valve and rinse fluid valve for controlling actuation of the discharge valve member and rinse fluid valve member.

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