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Vacuum toilet system with odor filter

  • US 5,369,811 A
  • Filed: 01/13/1993
  • Issued: 12/06/1994
  • Est. Priority Date: 02/05/1992
  • Status: Expired due to Term
First Claim
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1. A vacuum toilet system for a transport vehicle including a toilet bowl, a sewage collection system, a normally closed sewer valve connected between the toilet bowl and the sewage collection system, a vacuum generator for exhausting air from the sewage collection system to create a partial vacuum in the sewage collection system of a magnitude sufficient for effective transport of sewage from the toilet bowl into the sewage collection system, an odor removal device for removing odiferous material from the air exhausted from the sewage collection system by the vacuum generator, and means for disconnecting said odor removal device when the transport vehicle is moving at a speed that exceeds a given limit value.

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