IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0206111
(1980-11-12)
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발명자
/ 주소 |
- Kaump Roland F. (1714 W. 23rd St. Loveland CO 80537)
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인용정보 |
피인용 횟수 :
15 인용 특허 :
3 |
초록
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A water recovery system in which drain water from appliances, sinks and bathtubs are conserved in a storage recovery tank for treatment and reuse as a water supply for toilets. The drain water is directed through an outlet to flow over a pivoted grate that is mounted above the top opening of the sto
A water recovery system in which drain water from appliances, sinks and bathtubs are conserved in a storage recovery tank for treatment and reuse as a water supply for toilets. The drain water is directed through an outlet to flow over a pivoted grate that is mounted above the top opening of the storage tank, with the grate formed of spaced inverted T-shaped ribs and normally held at an acute angle, such as ten degrees, to the horizontal plane by a spring so that debris retained on the grate is washed diagonally downwards off the top surface of the grate to fall off the lower end of the grate into a debris-collection and tank overflow unit. The drain water, itself, falls between the grate ribs into the storage recovery tank. The grate is linked to an outlet valve leading from a liquid chemical storage tank so that liquid treatment chemicals in the chemical tank are released into the storage tank during periods of drain water flow onto the grate, when the grate is pivoted to a greater angle, such as twenty degrees, to the horizontal by the weight of drain water flowing on and through the grate. The grate is also linked to a first float which prevents the grate from opening the release valve of the chemical tank when the storage tank is full. A second float in the storage recovery tank admits fresh water into the tank, when the tank level falls below a pre-set minimum. A pump operated by a pressure switch automatically supplies water to the toilet supply line upon demand.
대표청구항
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A grate for use as a self-cleaning filter, comprising a grate assembly adaptable for mounting in an installed position along a diagonal plane to a horizontal axis with said grate formed with a leading edge opposed to a trailing edge, such that in the installed position the trailing edge is verticall
A grate for use as a self-cleaning filter, comprising a grate assembly adaptable for mounting in an installed position along a diagonal plane to a horizontal axis with said grate formed with a leading edge opposed to a trailing edge, such that in the installed position the trailing edge is vertically lower than the leading edge, said grate assembly formed with a plurality of spaced upraised rib sections that each extend in the direction from the said leading edge of the said trailing edge, with at least one flange section located between a pair of said rib sections, the upper surface of which flange section extends in the said diagonal plane, with said rib sections extending above the said flange section and with said flange section forming an upper exposed surface of said grate assembly, and with at least one opening located between a pair of said rib sections and extending in the direction from the trailing edge to the leading edge, such that the flow of a liquid freely falling upon an upper section of the grate will be distributed between some flow of liquid on said flange or flanges flowing towards the trailing edge and some flow of liquid through said opening, and such that debris in the liquid that falls on the said flange or flanges, where said debris is of a larger size than the opening will accommodate, the said debris will be splashed or pushed by the flow of water on the flanges towards the trailing edge of the grate while most or all of the said water will fall through the opening before reaching the trailing edge, with said rib sections serving to channel the flow of water on said flange sections and said rib sections serving to support wide portions of debris above the surface of the flange section so as to prevent such debris from blocking the flow of water on the surface of said flange sections, with the flow of water channelled by said rib sections serving to wash debris resting on the flange surface of the trailing edge of the grate. A grate for use as a self-cleaning filter, comprising a grate assembly adaptable for mounting in an installed position along a diagonal plane to a horizontal axis with said grate formed with a leading edge opposed to a trailing edge, such that in the installed position the trailing edge is vertically lower than the leading edge, such grate assembly formed with a plurality of spaced upraised rib sections that each extend in the direction from the said leading edge to the said trailing edge, with at least one flange section located between a pair of said rib sections, the upper surface of which flange section extends in the said diagonal plane, and with at least one opening located between a pair of said rib sections and extending in the direction from the trailing edge to the leading edge, such that the flow of a liquid freely falling upon an upper section of the grate will be distributed between some flow of liquid on said flange or flanges flowing towards the trailing edge and some flow of liquid through said opening, and such that where debris in the liquid that falls on the said flange or flanges, and where said debris is of a larger size than the opening will accomodate, the said debris will be splashed or pushed by the flow of water on the flanges towards the trailing edge of the grate while most or all of the said water will fall through the opening before reaching the trailing edge, together with first receiver means located to receive liquid that is filtered through the opening of said grate, where said first receiver means is located below the grate opening, in which the said first receiver means is a storage tank for recovery and reuse of drain water, together with a receptacle for containment of chemicals useful in treatment of drain water, with said receptacle linked to the storage tank by a valve, together with means responsive to flow of water into said storage tank which means is linked to said valve so as to open said valve when water is flowing into said storage tank, and to close said valve upon cessation of such water flow, in which the said means to control said valve comprises pivotal means of mounting of said grate in a first generally diagonal plane, spring means to bias the trailing edge of said grate in an upwards direction to said first diagonal plane, said pivotal means located so that weight of water on the flanges of said grate biases the trailing edge of the grate in the downwards direction from said first diagonal plane, to a second diagonal plane of said grate, linkage means for said grate to said valve such that when said grate is pivoted by the flow of water to the second diagonal plane, the said valve is opened, with said linkage means closing said valve when the grate is in the first diagonal plane.
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