Ventilated toilet

Claim 2

In combination with a water closet flush tank having bottom walls and vertical exterior and vertical interior side walls terminating at their upper extremity in a generally horizontal substantially rectangular annular ledge, said tank adapted to be filled to a predetermined level adjacent said ledge to define an air space between said water level and said ledge; water closet flush tank water regulating means including an overflow stand pipe sealingly secured through said tank bottom having the free end thereof extending into said airspace above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event of a water overflow in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source, a nozzle of generally fan shaped outline defined by outlet walls located externally of said tank representing an aperture, said outlet walls fanning outwardly to form inlet walls having a substantially elongated top surface and a substantially elongated bottom surface defining a narrow oblong inlet aperture disposed inside of said tank at the rear portion thereof with said bottom surface mounted on and terminating adjacent the back side of said ledge so that said elongated top inlet surface is spaced narrowly above said ledge to cause the height of said tank not to be substantially increased and to distribute the suction forces of said suction means uniformly along said tank ledge; cover means including a lid having generally flat substantially sealed canopy walls mounted on said annular tank ledge and said inlet top surface and a downwardly depending flange extending from said canopy walls adapted to overlap said vertical walls of said tank on front and sides thereof with said nozzle in place on said tank ledge and to clear said nozzle on the back side thereof, said suction means operable to reduce air pressure in said tank whereby offensive vapor is drawn from an associated toilet bowl through said toilet bowl water inlets, and through said stand pipe and said nozzle to be removed; and regulating valve means operable to reduce suction in said tank when water rises up said stand pipe upon operation of said tank water regulating means.

Claim 3

In combination with a water closet flush tank having bottom walls and vertical exterior and vertical interior side walls terminating at their upper extremity in a generally horizontal substantially rectangular annular ledge, said tank adapted to be filled to a predetermined level adjacent said ledge to define an air space between said water level and said ledge; water closet flush tank water regulating means including an overflow stand pipe sealingly secured through said tank bottom having the free end thereof extending into said airspace above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event of a water overflow in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source, a nozzle of generally fan shaped outline defined by outlet walls located externally of said tank representing an aperture, said outlet walls fanning outwardly to form inlet walls having a substantially elongated top surface and a substantially elongated bottom surface defining a narrow oblong inlet aperture disposed inside of said tank at the rear portion thereof with said bottom surface mounted on and terminating adjacent the back side of said ledge so that said elongated top inlet surface is spaced narrowly above said ledge to cause the height of said tank not to be substantially increased and to distribute the suction forces of said suction means uniformly along said tank ledge; cover means including a lid having generally flat substantially sealed canopy walls mounted on said annular tank ledge and said inlet top surface and a downwardly depending flange extending from said canopy walls adapted to overlap said vertical walls of said tank on front and sides thereof with said nozzle in place on said tank ledge and to clear said nozzle on the back side thereof, said suction means operable to reduce air pressure in said tank whereby offensive vapor is drawn from an associated toilet bowl through said toilet bowl water inlets, and through said stand pipe and said nozzle to be removed; and regulating valve means operable to reduce suction in said tank when water rises up said stand pipe upon operation of said tank water regulating means.

Claim 4

In combination with a water closet flush tank having bottom walls and vertical exterior and vertical interior side walls terminating at their upper extremity in a generally horizontal substantially rectangular annular ledge, said tank adapted to be filled to a predetermined level adjacent said ledge to define an air space between said water level and said ledge; water closet flush tank water regulating means including an overflow stand pipe sealingly secured through said tank bottom having the free end thereof extending into said airspace above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event of a water overflow in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source, a nozzle of generally fan shaped outline defined by outlet walls located externally of said tank representing an aperture, said outlet walls fanning outwardly to form inlet walls having a substantially elongated top surface and a substantially elongated bottom surface defining a narrow oblong inlet aperture disposed inside of said tank at the rear portion thereof with said bottom surface mounted on and terminating adjacent the back side of said ledge so that said elongated top inlet surface is spaced narrowly above said ledge to cause the height of said tank not to be substantially increased and to distribute the suction forces of said suction means uniformly along said tank ledge; cover means including a lid having generally flat substantially sealed canopy walls mounted on said annular tank ledge and said inlet top surface and a downwardly depending flange extending from said canopy walls adapted to overlap said vertical walls of said tank on front and sides thereof with said nozzle in place on said tank ledge and to clear said nozzle on the back side thereof, said suction means operable to reduce air pressure in said tank whereby offensive vapor is drawn from an associated toilet bowl through said toilet bowl water inlets, and through said stand pipe and said nozzle to be removed; and regulating valve means operable to reduce suction in said tank when water rises up said stand pipe upon operation of said tank water regulating means.

Claim 5

In combination with a water closet flush tank having a bottom wall and vertical exterior and adjacent vertical interior side walls terminating at theIr upper extremity in a generally horizontal annular ledge, said tank adapted to be filled with water to a predetermined level adjacent said ledge to define an air space between said water level and said ledge; water closet tank water regulating means including an overflow stand pipe sealingly secured through said tank bottom having the free end thereof extending into said air space above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event water overflows in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source, a nozzle wall defining an aperture located externally of said tank, said outlet walls connected to inlet walls having a substantially elongated top surface and a flat substantially elongated bottom surface defining a narrow oblong inlet aperture disposed inside the back side of tank with said bottom surface mounted on said ledge so that said top inlet surface is spaced narrowly above said ledge to cause the height of said tank not to be substantially increased and to distribute the effect of suction forces produced by said suction means uniformly along the back side of said ledge and cover means including a lid having an undersurface extending over said tank, a concealed seal member interposed between said lid undersurface and said tank ledge to raise the level of said lid to accommodate the entrance of said nozzle between said lid and the back side of said tank, said lid having a downwardly depending flange operable to overlap said ledge of said tank with said seal in place on front and sides thereof, but adapted to clear said nozzle on the back side thereof, to substantially seal said tank in cooperation with said nozzle inlet aperture, to cause said suction means to reduce air pressure in said tank whereby offensive vapors are drawn from an associated toilet bowl through connected toilet bowl inlets and said stand pipe and said nozzle to be removed; and regulating valve means including a relief valve connected between said suction supply source and said flush tank operable to reduce suction in said tank when water rises up said stand pipe upon operation of said water regulating means.

Claim 6

In combination with a water closet flush tank having a bottom wall and vertical exterior and adjacent vertical interior side walls terminating at theIr upper extremity in a generally horizontal annular ledge, said tank adapted to be filled with water to a predetermined level adjacent said ledge to define an air space between said water level and said ledge; water closet tank water regulating means including an overflow stand pipe sealingly secured through said tank bottom having the free end thereof extending into said air space above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event water overflows in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source, a nozzle wall defining an aperture located externally of said tank, said outlet walls connected to inlet walls having a substantially elongated top surface and a flat substantially elongated bottom surface defining a narrow oblong inlet aperture disposed inside the back side of tank with said bottom surface mounted on said ledge so that said top inlet surface is spaced narrowly above said ledge to cause the height of said tank not to be substantially increased and to distribute the effect of suction forces produced by said suction means uniformly along the back side of said ledge and cover means including a lid having an undersurface extending over said tank, a concealed seal member interposed between said lid undersurface and said tank ledge to raise the level of said lid to accommodate the entrance of said nozzle between said lid and the back side of said tank, said lid having a downwardly depending flange operable to overlap said ledge of said tank with said seal in place on front and sides thereof, but adapted to clear said nozzle on the back side thereof, to substantially seal said tank in cooperation with said nozzle inlet aperture, to cause said suction means to reduce air pressure in said tank whereby offensive vapors are drawn from an associated toilet bowl through connected toilet bowl inlets and said stand pipe and said nozzle to be removed; and regulating valve means including a relief valve connected between said suction supply source and said flush tank operable to reduce suction in said tank when water rises up said stand pipe upon operation of said water regulating means.

Claim 7

In combination with a water closet flush tank means having bottom walls and side walls and a cover for the tank, said tank adapted to be filled to a predetermined level; water closet flush tank water regulating means including an overflow stand pipe associated with said tank having the free end thereof extending into said air space above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event of a water overflow in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source having a suction element connected with said tank operable to exhaust air from said tank whereby offensive vapors are drawn from an associated toilet bowl through said toilet water bowl inlets by way of said stand pipe; and regulating valve means operable to reduce suction in said tank when water rises up said stand pipe upon operation of said tank water regulating means.

Claim 8

In combination with a water closet flush tank means having bottom walls and side walls and a cover for the tank, said tank adapted to be filled to a predetermined level; water closet flush tank water regulating means including an overflow stand pipe associated with said tank having the free end thereof extending into said air space above said water level, said stand pipe adapted for connection to water inlets in an associated toilet bowl to cause air and water to flow directly from said tank through said toilet inlets in the event of a water overflow in said tank; an improved ventilator therefor comprising suction means in cooperative relationship with said tank including a suction supply source having a suction element connected with said tank operable to exhaust air from said tank whereby offensive vapors are drawn from an associated toilet bowl through said toilet water bowl inlets by way of said stand pipe; and regulating valve means operable to reduce suction in said tank when water rises up said stand pipe upon operation of said tank water regulating means.