IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0493632
(2009-06-29)
|
등록번호 |
US-8137541
(2012-03-20)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Brinks Hofer Gilson & Lione
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
23 |
초록
▼
A septic system can include an improved and more reliable apparatus for distributing effluent uniformly to a plurality of portions or fingers of a drain field. In such apparatus, an effluent container, or collection tank, is connected with the outlet of a septic tank, and an effluent-operated valve
A septic system can include an improved and more reliable apparatus for distributing effluent uniformly to a plurality of portions or fingers of a drain field. In such apparatus, an effluent container, or collection tank, is connected with the outlet of a septic tank, and an effluent-operated valve controls effluent flow from an outlet of the effluent container, or collection tank, to an effluent distribution tank which is connected to a plurality of portions, or fingers, of a sewage drain field to uniformly distribute the effluent from the septic tank to the drain field.
대표청구항
▼
1. An apparatus for uniformly distributing sewage effluent to a drain field in a septic system, comprising: two connected tanks, the first tank having an effluent inlet communicating with a septic tank and for collecting the effluent to be distributed and carrying an effluent-operated valve therein
1. An apparatus for uniformly distributing sewage effluent to a drain field in a septic system, comprising: two connected tanks, the first tank having an effluent inlet communicating with a septic tank and for collecting the effluent to be distributed and carrying an effluent-operated valve therein for controlling a flow of collected effluent from within the first tank to the second tank, said second tank having a plurality of outlets communicating with said drain field and for directing effluent from its interior to a plurality of portions of a sewage drain field, wherein the first tank and effluent-operated valve are carried within and surrounded by said second tank. 2. The apparatus of claim 1, wherein the first tank and the effluent-operated valve are coaxially carried within said second tank. 3. The apparatus of claim 1, wherein said effluent-operated valve comprises a valve outlet-forming and a valve closure-guiding assembly, and an effluent-operated valve closure assembly, said valve outlet-forming and valve closure-guiding assembly being adapted to be fastened within an opening formed in the bottom of the first tank and to support and guide the effluent-operated valve closure assembly within the first tank, said valve outlet-forming and valve closure-guiding assembly forming a peripheral sealable surface,said valve closure assembly having a peripheral seal-forming surface at its bottom adapted to engage the peripheral sealable surface of the valve outlet-forming and valve closure-guiding assembly and to close its valve outlet, and a buoyant member at its top, said valve closure assembly being carried by and in sliding engagement with the valve outlet-forming and valve closure-guiding assembly,wherein said buoyant member can move in reaction to effluent in the first tank to raise the peripheral seal-forming surface at its bottom and open the outlet formed by the valve outlet-forming and valve closure-guiding assembly, allowing effluent to flow to the second tank and simultaneously from the plurality of outlets in the second tank, and to lower the peripheral seal-forming surface at its bottom, as effluent flows from the first tank, into sealing engagement with the peripheral sealable surface of the valve outlet-forming and valve closure-guiding assembly, said valve closure assembly being guided in said movement by said valve closure-guiding assembly. 4. The apparatus of claim 3, wherein said peripheral seal-forming surface of the valve closure assembly is formed by the lower edge of a concave element. 5. The apparatus of claim 3, wherein said valve outlet-forming and valve closure-guiding assembly carries a magnet, and the valve closure assembly carries an element attracted by said magnet as the peripheral seal-forming surface of the valve closure assembly approaches the peripheral sealable surfaces of the valve outlet-forming and valve closure-guiding assembly whereby more valve closing force is generated. 6. The apparatus of claim 1, wherein the effluent operated valve comprises an upper buoyant element, and a lower buoyant element spaced below the upper buoyant element and of a size adapted to hold the effluent-operated valve open for an extended period. 7. An apparatus for distributing sewage effluent uniformly to a drain field in a septic system, comprising: a distribution tank with a plurality of outlets connected with a plurality of portions of the drain field;a collection tank within the distribution tank and having an inlet for the collection of effluent to be distributed to the drain field; andeffluent-operated valve means within said collection tank for controlling flow of the effluent from said collection tank to said distribution tank,said effluent-operated valve means having a valve outlet that opens into said distribution tank, each of said plurality of effluent outlets being connected with one of the plurality of drain field portions, wherein accumulated effluent in said collection tank operates said effluent-operated valve means permitting accumulated effluent in said collection tank to flow into said distribution tank and from said distribution tank to the plurality of portions of the drain field. 8. The apparatus of claim 7, wherein said collection tank, said distribution tank and said effluent-operated valve means are substantially coaxially arranged. 9. The apparatus of claim 7, wherein said effluent-operated valve means comprises a valve outlet at the bottom of the collection tank, and a valve closure for said valve outlet connected with a buoyant element actuated by the accumulated effluent in said tank, said valve closure having a sealing portion at its bottom to engage the valve outlet and seal the valve outlet when said buoyant member is not actuated by accumulated effluent in said tank. 10. The apparatus of claim 7 wherein said effluent-operated valve means includes a buoyant element comprising an upper buoyant element, and a lower buoyant element spaced below the upper buoyant element and having sufficient buoyancy to hold the valve outlet open for an extended period as effluent flows from the collection tank.
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