Resources Contact Us Home
Pressurized water closet flushing system

Image Number 4 for United States Patent #5553333.

An apparatus for flushing a water closet bowl includes a pressurizable reservoir, within which is formed a primary and a secondary pressure zone. Formed at the bottom of the reservoir is an exit aperture through which the pressurized fluid is discharged into the bowl. Movably disposed within the reservoir is an elongate piston member. Formed at the top of the piston member is a hollow cup, which is movably disposed within a downwardly extending hollow cylinder within which is formed the secondary pressure zone. Formed at the bottom of the piston is a plug which seals the exit aperture. During a flushing action, pressure within the secondary pressure zone is released by operating a flushing lever, and the piston moves upwardly so as to release the plug from the exit aperture. In one embodiment, the flushing apparatus includes a fluid inlet regulator that controls the amount of fluid that is introduced into the reservoir from a fluid supply line. The inlet regulator also includes a back flow prevention mechanism which prevents fluid from reentering the fluid supply line in the event of a negative pressure therein. In another embodiment the flushing apparatus includes an overpressure protection mechanism formed within the piston.

  Recently Added Patents
Systems and methods for unchoked control of gas turbine fuel gas control valves
Clostridium chauvoei polypeptide, DNA encoding the polypeptide and a vaccine comprising the polypeptide
Hydrostatic pad pressure modulation in a simultaneous double side wafer grinder
Direct file transfer between subscribers of a communications systems
Optical fixing device and image forming apparatus
Luggage cart
Hydrothermal synthesis of nanocubes of sillenite type compounds for photovoltaic applications and solar energy conversion of carbon dioxide to fuels
  Randomly Featured Patents
Metal diffusion and after-treatment
Renin inhibitors containing the 2-[[(2R,3S)-3-amino-4-cyclohexyl-2-hydroxy-1-butyl]thio)alkanoyl moiety and the corresponding sulfoxide and sulfone derivatives
Feeding and sorting apparatus
Water reclamation system for landscape irrigation
Belt shortening device
Modified polymeric material having improved wettability
Gauge mount slide for test stand
Method and apparatus for detecting the presence of magnetic ink within a package by magnetizing and selectively remagnitizing the ferro-magnetic materials in the package
Dewar detector assembly
Radiofrequency irradiation schemes and methods of design and display for use in performing nuclear magnetic resonance spectroscopy