Incinerator toilet vented by air ejector

Claim 2

An incinerator toilet comprising: housing means including an incinerator chamber and having an opening for receiving substances therethrough, a cover movable to open and closed positions for opening and closing said opening of said housing means, means for heating the interior of said incinerator chamber, an exhaust line connected with and extending outwardly from said incinerator chamber, an air inlet means having its discharge end within said exhaust line and directed downstream thereof, a pressure line for supplying air under pressure to said air inlet means, said pressure line having an inlet end connectable to a source of air under pressure, first electrically operable valve means of a first predetermined orifice for controlling flow of air from said pressure line to said air inlet means, a second electrically operable valve means of a second predetermined larger orifice predetermined location, controlling flow of air from said pressure line to said air inlet means, and an electrical input circuit and control means operatively associated with said first and second valve means and said input circuit for causing said first valve means to be open when electric current is supplied to said input circuit and causing said second valve means to be open when said cover is in open position and the temperature in said incinerator toilet at a predetermined location is above a predetermined value.

Claim 3

An incinerator toilet comprising: a housing, chamber means providing an incinerator chamber in the lower portion of the housing, a bowl in said housing having its lower end extending into the upper end of said incinerator chamber, said bowl having an upwardly facing seat surface intermediate its ends, a cover movably mounted on said housing above said bowl, a closure secured to said cover and extending downwardly therefrom to engage said seat surface to close said bowl above said incinerator chamber when said cover is in its lower closed position, heating means in said incinerator chamber for raising the temperature therein and incinerating substances deposited in the chamber through said bowl, and an exhaust line connected to said chamber means and communicating with said chamber for removing effluent therefrom.

Claim 4

An incinerator toilet comprising: a housing, chamber means providing an incinerator chamber in the lower portion of the housing, a bowl in said housing having its lower end extending into the upper end of said incinerator chamber, said bowl having an upwardly facing seat surface intermediate its ends, a cover movably mounted on said housing above said bowl, a closure secured to said cover and extending downwardly therefrom to engage said seat surface to close said bowl above said incinerator chamber when said cover is in its lower closed position, heating means in said incinerator chamber for raising the temperature therein and incinerating substances deposited in the chamber through said bowl, and an exhaust line connected to said chamber means and communicating with said chamber for removing effluent therefrom.

Claim 5

The incinerator toilet of claim 3 comprising: means for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom.

Claim 6

The incinerator toilet of claim 3 comprising: a permeable heat activated catalyst between said incinerator chamber and said exhaust line.

Claim 7

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, an exhaust line in communication with said chamber for removing effluent therefrom, a recessed seat surface located below the top of said upper end of said receptacle and extending around the opening of said upper end, a movable seat connected to said housing and having an opening formed therethrough, said movable seat being adapted to be moved away from the opening of said upper end and to a generally horizontal operative position wherein the opening formed therethrough is in alignment with the opening of said upper end of said receptacle means, a movable cover connected to said housing for movement to an open position and to a generally horizontal closed position above said movable seat when it is in its operative position, and a closure member secured to the underside of said cover and adapted to extend through the opening formed through said movable seat when said cover and said movable seat are located close to each other, said closure member being adapted to extend through the opening of said movable seat and to engage said recessed seat surface to close the upper end of said receptacle means when said movable seat is in its operative position and said cover is in its closed position.

Claim 8

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, an exhaust line in communication with said chamber for removing effluent therefrom, a recessed seat surface located below the top of said upper end of said receptacle and extending around the opening of said upper end, a movable seat connected to said housing and having an opening formed therethrough, said movable seat being adapted to be moved away from the opening of said upper end and to a generally horizontal operative position wherein the opening formed therethrough is in alignment with the opening of said upper end of said receptacle means, a movable cover connected to said housing for movement to an open position and to a generally horizontal closed position above said movable seat when it is in its operative position, and a closure member secured to the underside of said cover and adapted to extend through the opening formed through said movable seat when said cover and said movable seat are located close to each other, said closure member being adapted to extend through the opening of said movable seat and to engage said recessed seat surface to close the upper end of said receptacle means when said movable seat is in its operative position and said cover is in its closed position.

Claim 9

The incinerator toilet of claim 5 comprising nozzle means for introducing air under pressure from an air pressure line to said exhaust line in a direction downstream of said chamber for drawing effluent therefrom.

Claim 10

The incinerator toilet of claim 6 comprising: control means for controlling the flow of air through said nozzle means for introducing air into said exhaust line at a pressure greater when said cover is open than when it is closed and when said heater is on or when the temperature in said toilet exceeds a predetermined level.

Claim 11

The incinerator toilet of claim 7 wherein said control means includes means responsive to the position of said cover for controlling the flow of air through nozzle means.

Claim 12

The incinerator toilet of claim 7 wherein: said control means comprises first and second electrically operable valves coupled to said air pressure line, said first valve having a nozzle smaller than that of said second valve, said control means comprises position sensing means for causing said second valve to be closed and said first valve to be open when said cover is moved to its closed position, said control means causing said second valve to be open when said cover is in its open position and when said heater is on or when the temperature in said toilet exceeds a predetermined level.

Claim 13

The incinerator toilet of claim 6 comprising an orifice connected in said air pressure line upstream of said nozzle means for reducing the pressure in said air pressure line to said nozzle means.

Claim 14

The incinerator toilet of claim 10 wherein said orifice is a fixed orifice located outside of said housing and has an opening smaller than that of said nozzle.

Claim 15

The incinerator toilet of claim 11 wherein said orifice comprises: a first conduit fitted into a second conduit means of a larger diameter, said second conduit means being located upstream of said first conduit, the upstream edge of said first conduit having a wall which tapers inward in the upstream direction to provide a trap for moisture, particles, etc. in the space formed between the outside of said tapering wall and the inside of said second conduit means.

Claim 16

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open upper end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, a cover for closing said upper end of said receptacle means, an exhaust line in communication with said chamber for removing effluent therefrom, nozzle means having its discharge end located in said exhaust line for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom, a pressure linE for supplying air under pressure from a source to said nozzle means, and orifice means connected in said air pressure line upstream of said nozzle means for reducing the pressure in said air pressure line to said nozzle means.

Claim 17

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open upper end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, a cover for closing said upper end of said receptacle means, an exhaust line in communication with said chamber for removing effluent therefrom, nozzle means having its discharge end located in said exhaust line for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom, a pressure linE for supplying air under pressure from a source to said nozzle means, and orifice means connected in said air pressure line upstream of said nozzle means for reducing the pressure in said air pressure line to said nozzle means.

Claim 18

The incinerator toilet of claim 13 wherein: said orifice means comprises a solenoid operated valve.

Claim 19

The incinerator toilet of claim 13 wherein: said orifice means is located outside of said housing and has a fixed opening smaller than that of said nozzle means.

Claim 20

The incinerator toilet of claim 15 wherein said orifice means comprises: a first conduit fitted into a second conduit means of a larger diameter, said second conduit means being located upstream of said first conduit, the upstream edge of said first conduit having a wall which tapers inward in the upstream direction to provide a trap for moisture, particles, etc. in the space formed between the outside of said tapering wall and the inside of said second conduit means.

Claim 21

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open upper end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, an exhaust line in communication with said chamber for removing effluent therefrom, air pressure means for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom, said air pressure means comprising: an orifice ejector in fluid communication with said exhaust line for introducing air into said exhaust line in a direction downstream of said chamber, a pressure line for supplying air under pressure from a source of air pressure to said orifice ejector, and a primary orifice connected in said air pressure line upstream of said orifice ejector and having an opening smaller than that of said orifice ejector for providing two stages for reducing the pressure in said air pressure line, said primary orifice being located outside of said housing and having a fixed opening.

Claim 22

An incinerator toilet comprising: a housing, receptacle means supported by said housing and having an open upper end and a lower incinerator chamber for receiving substance through said upper end, heating means for heating the substance deposited in said chamber, an exhaust line in communication with said chamber for removing effluent therefrom, air pressure means for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom, said air pressure means comprising: an orifice ejector in fluid communication with said exhaust line for introducing air into said exhaust line in a direction downstream of said chamber, a pressure line for supplying air under pressure from a source of air pressure to said orifice ejector, and a primary orifice connected in said air pressure line upstream of said orifice ejector and having an opening smaller than that of said orifice ejector for providing two stages for reducing the pressure in said air pressure line, said primary orifice being located outside of said housing and having a fixed opening.

Claim 23

The incinerator toilet of claim 17 wherein said primary orifice comprises: a first conduit fitted into a second conduit means of a larger diameter, said second conduit means being located upstream of said first conduit, the upstream edge of said first conduit having a wall which tapers inward in the upstream direction to provide a trap for moisture, particles, etc. in the space formed between the outside of said tapering wall and the inside of said second conduit means.

Claim 24

An incinerator toilet comprising: housing means including an incinerator chamber and having an opening for receiving substances therethrough, a cover movable to open and closed positions for opening and closing said opening of said housing means, means for heating the interior of said incinerator chamber, an exhaust line connected with and extending outwardly from said incinerator chamber, an air inlet means having its discharge end within said exhaust line and directed downstream thereof, a pressure line for supplying air under pressure to said air inlet means, said pressure line having an inlet end connectable to a source of air under pressure, first electrically operable valve means of a first predetermined orifice for controlling flow of air from said pressure line to said air inlet means, a second electrically operable valve means of a second predetermined larger orifice for controlling flow of air from said pressure line to said air inlet means, and an electrical input circuit and control means operatively associated with said first and second valve means and said input circuit for causing said first valve means to be open when electric current is supplied to said input circuit and causing said second valve means to be open when said cover is in open position and said means for heatinG the interior of said incinerator chamber is actuated.

Claim 25

An incinerator toilet comprising: housing means including an incinerator chamber and having an opening for receiving substances therethrough, a cover movable to open and closed positions for opening and closing said opening of said housing means, means for heating the interior of said incinerator chamber, an exhaust line connected with and extending outwardly from said incinerator chamber, an air inlet means having its discharge end within said exhaust line and directed downstream thereof, a pressure line for supplying air under pressure to said air inlet means, said pressure line having an inlet end connectable to a source of air under pressure, first electrically operable valve means of a first predetermined orifice for controlling flow of air from said pressure line to said air inlet means, a second electrically operable valve means of a second predetermined larger orifice for controlling flow of air from said pressure line to said air inlet means, and an electrical input circuit and control means operatively associated with said first and second valve means and said input circuit for causing said first valve means to be open when electric current is supplied to said input circuit and causing said second valve means to be open when said cover is in open position and said means for heatinG the interior of said incinerator chamber is actuated.

Claim 26

The incinerator toilet of claim 19 wherein said input circuit and control means operatively associated with said first and second valve means and said input circuit causes said first valve means to be open when electric current is supplied to said input circuit and causes said second valve means to be open when said cover is in open position and when said means for heating the interior of said incinerator chamber is actuated or when the temperature in said incinerator toilet, at a predeterminedlocation, is above a predetermined value.

Claim 27

An incinerator toilet comprising: housing means including an incinerator chamber and having an opening for receiving substances therethrough, a cover movable to open and closed positions for opening and closing said opening of said housing means, heater means for heating the interior of said incinerator chamber, an exhaust line connected with and extending outwardly from said incinerator chamber, an air inlet means having its discharge end within said exhaust line and directed downstream thereof, a pressure line for supplying air under pressure to said air inlet means, said pressure line having an inlet end connectable to a source of air under pressure, and control means sensitive to the position of said cover and to at least one other condition for controlling the flow of air through said air inlet means for introducing air into said exhaust line at a pressure greater when said cover is open than when it is closed and when said one other condition occurs.

Claim 28

An incinerator toilet comprising: housing means including an incinerator chamber and having an opening for receiving substances therethrough, a cover movable to open and closed positions for opening and closing said opening of said housing means, heater means for heating the interior of said incinerator chamber, an exhaust line connected with and extending outwardly from said incinerator chamber, an air inlet means having its discharge end within said exhaust line and directed downstream thereof, a pressure line for supplying air under pressure to said air inlet means, said pressure line having an inlet end connectable to a source of air under pressure, and control means sensitive to the position of said cover and to at least one other condition for controlling the flow of air through said air inlet means for introducing air into said exhaust line at a pressure greater when said cover is open than when it is closed and when said one other condition occurs.

Claim 29

The toilet of claim 21 wherein said control means is sensitive to the position of said cover and to the temperature in said toilet for controlling the flow through said air inlet means for introducing air into said exhaust line at a pressure greater when said cover is opened than when it is closed and when the temperature in said incinerator toilet, at a predetermined location, is above a predetermined value.

Claim 30

The toilet of claim 21 wherein said control means is sensitive to the position of said cover and to the actuation of said heater means for controlling the flow of air through said air inlet means for introducing air into said exhaust line at a pressure greater than when said cover is open than when it is closed and said heater saidheater means is actuated for heating the interior of said incinerator chamber.

Claim 31

The toilet of claim 21 wherein said control means is sensitive to the position of said cover and to the actuation of said heater means and to the temperature in said toilet for controlling the flow of air through said air inlet means for introducing air into said exhaust line at a pressure greater when said cover is opened than when it is closed and when said heater means is actuated for heating the interior of said incinerator chamber or when the temperature in said incinerator toilet, at a predetermined location, is above a predetermined value.

Claim 32

An incinerator toilet comprising: a housing, chamber means providing an incinerator chamber in the lower portion of the housing, a bowl in said housing having an open upper end and an open lower end, said bowl having its lower end extending into the upper end of said incinerator chamber, said bowl having an upwardly facing seat surface intermediate its ends, a movable seat connected to said housing and having an opening formed therethrough, said movable seat being adapted to be moved away from the opening of said upper end of said bowl and to a generally horizontal operative position wherein the opening formed therethrough is in alignment with the opening of said upper end of said bowl, a movable cover connected to said housing for movement to an open position and to a generally horizontal closed position above said movable seat when it is in its operative position, a closure member secured to the underside of said cover and adapted to extend through the opening formed through said movable seat when said cover and said movable seat are located close to each other, said closure member being adapted to extend through the opening of said movable seat and to engage said upwardly facing seat surface of said bowl to close the upper end of said bowl when said movable seat is in its operative position and said cover is in its closed position, heating means in said incinerator chamber for raising the temperature therein and incinerating substances deposited in the chamber through said bowl, and an exhaust line connected to said chamber means and communicating with said chamber for removing effluent therefrom.

Claim 33

An incinerator toilet comprising: a housing, chamber means providing an incinerator chamber in the lower portion of the housing, a bowl in said housing having an open upper end and an open lower end, said bowl having its lower end extending into the upper end of said incinerator chamber, said bowl having an upwardly facing seat surface intermediate its ends, a movable seat connected to said housing and having an opening formed therethrough, said movable seat being adapted to be moved away from the opening of said upper end of said bowl and to a generally horizontal operative position wherein the opening formed therethrough is in alignment with the opening of said upper end of said bowl, a movable cover connected to said housing for movement to an open position and to a generally horizontal closed position above said movable seat when it is in its operative position, a closure member secured to the underside of said cover and adapted to extend through the opening formed through said movable seat when said cover and said movable seat are located close to each other, said closure member being adapted to extend through the opening of said movable seat and to engage said upwardly facing seat surface of said bowl to close the upper end of said bowl when said movable seat is in its operative position and said cover is in its closed position, heating means in said incinerator chamber for raising the temperature therein and incinerating substances deposited in the chamber through said bowl, and an exhaust line connected to said chamber means and communicating with said chamber for removing effluent therefrom.

Claim 34

The incinerator toilet of claim 25 comprising: means for introducing air under pressure into said exhaust line in a direction downstream of said chamber for drawing effluent therefrom.

Claim 35

The incinerator toilet of claim 25 comprising: a permeable heat activated catalyst between said incinerator chamber and said exhaust line.