Title: Odorless water closet

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1. An odorless water closet including a bowl, a tank having a cover, flushing conduit means communicating between said bowl and said tank, discharge conduit means including a trap, and communicating with said bowl and adapted for connection to a sewage pipe, water-control means adapted to control the supply of water to said tank, flush valve means adapted to discharge the contents of said tank to said bowl, and seat means pivotally mounted on said bowl for movement between a horizontal position over said bowl and an elevated substantially vertical position normally at the rear of said bowl and adjacent said tank, and also including ventilating means adapted to exhaust gases from within said bowl, wherein the improvement comprises:

an intake manifold disposed and mounted on the underside of said seat and adjacent the periphery of said bowl, and an intake conduit extending from said intake manifold; and

an exhaust conduit communicating between said intake conduit and said discharge conduit within said tank on the opposite side of said trap from said bowl, said exhaust conduit including blower means adapted to induce flow in said exhaust conduit toward said discharge conduit, and also including one-way valve means, said exhaust conduit also including a tubular member forming a pivotal mounting for said seat, and further including hollow bracket means mounted on said bowl and supporting said tubular member, said bracket means having a tubular vertical portion traversing a portion of said bowl.

2. An odorless water closet including a bowl, a tank having a cover, flushing conduit means communicating between said bowl and said tank, discharge conduit means including a trap, and communicating with said bowl and adapted for connection to a sewage pipe, water-control means adapted to control the supply of water to said tank, flush valve means adapted to discharge the contents of said tank to said bowl, and seat means pivotally mounted on said bowl for movement between a horizontal position over said bowl and an elevated substantially vertical position normally at the rear of said bowl and adjacent said tank, and also including ventilating means adapted to exhaust gases from within said bowl, wherein the improvement comprises:

an intake manifold disposed mounted on the underside of said seat and adjacent the periphery of said bowl, and an intake conduit extending from said intake manifold; and

an exhaust conduit communicating between said intake conduit and said discharge conduit within said tank on the opposite side of said trap from said bowl, said exhaust conduit including blower means adapted to induce flow in said exhaust conduit toward said discharge conduit, and also including one-way valve means, said exhaust conduit including a downwardly-extending tubular extension on said intake manifold, and a receptacle secured to said bowl and adapted to receive said tubular extension in all positions of said seat, said extension and receptacle being arcuate and concentric with the axis of pivotal mounting of said seat.

3. An odorless water closet including a bowl, a tank having a removable cover, flushing conduit means communicating between said bowl and said tank, discharge conduit means including a trap, and communicating with said bowl and adapted for connection to a sewage pipe, water-control means adapted to control the supply of water to said tank, flush valve means adapted to discharge the contents of said tank to said bowl, and seat means pivotally mounted on said bowl for movement between a horizontal position over said bowl and an elevated substantially vertical position normally at the rear of said bowl and adjacent said tank, and also including ventilating means adapted to exhaust gases from within said bowl, wherein the improvement comprises:

an intake manifold disposed mounted on the underside of said seat and adjacent the periphery of said bowl, and an intake conduit extending from said intake manifold; and

an exhaust conduit communicating between said intake conduit and said discharge conduit within said tank on the opposite side of said trap from said bowl, said exhaust conduit including blower means adapted to induce flow in said exhaust conduit toward said discharge conduit, and also including one-way valve means, said ventilating means including a blower mounted on the inside of said cover, and including disengagable coupling sections in said intake and exhaust conduits, said conduits communicating with said blower.

4. An odorless water closet as defined in claim 3, additionally including a disengageable electrical connector means incorporated in a circuit operative to energize said blower means, said connector means having plug and receptacle portions, one mounted on said cover, and the other fixed with respect to said tank.

Other info:

Inventors: Arnold, Douglas L. (Holland, MI, US)

Application Number: 722696
Filing Date: 1976-09-13
Publication_date: 1978-08-01
Assignee:
Primary Class(es): 4/213 4/216, 4/217, 4/348
Other Classes:
US Patent Ref:

1247176	Nov, 1917	Swarzman	4/217.
1940163	Dec, 1933	Bystrom	4/217.
1997695	Apr, 1935	Nielsen et al.	4/213.
2079733	May, 1937	Cummings	4/213.
2151138	Mar, 1939	Morris	4/213.
2171903	Sep, 1939	Aubin	4/213.
2309885	Feb, 1943	Carman	4/213.
2619655	Dec, 1952	Huff	4/213.
2743462	May, 1956	McMillan	4/213.
2824313	Feb, 1958	Bulow	4/213.
2985890	May, 1961	Baither	4/213.
2988756	Jun, 1961	Hartley	4/213.
3193846	Jul, 1965	Lafebvre	4/100.
3534415	Oct, 1970	Huffman	4/213.
3585651	Jun, 1971	Cox	4/213.
3790970	Feb, 1974	Bendersky et al.	4/213.
3902203	Sep, 1975	Poister et al.	4/213.
3913150	Oct, 1975	Poister et al.	4/217.
3999225	Dec, 1976	Ables	4/217.

Other Refs: 440,158

Dec, 1967	CH

Primary Examiner: Artis, Henry K.
Assistant Examiner:
Attorney: Morse; Glenn B.