A device for gassing liquids, in particular for aerating sewage and the like, includes a lower housing element, which has a substantially round opening area and a gas inlet port, a disc-shaped upper housing element, corresponding to the opening area, for covering the opening area, the upper housing
A device for gassing liquids, in particular for aerating sewage and the like, includes a lower housing element, which has a substantially round opening area and a gas inlet port, a disc-shaped upper housing element, corresponding to the opening area, for covering the opening area, the upper housing element having an upper side facing away from the lower housing element, a number of gas through-openings provided in the vicinity of a peripheral edge of the upper housing element, passing through the upper side, and a perforated gassing membrane, covering over the upper side of the upper housing element.
대표청구항▼
1. A device for gassing liquids, comprising: a lower housing element which has a substantially round opening area, anda gas inlet port arranged centrally in the lower housing element,a disk-shaped upper housing element, which corresponds to the substantially round opening area, for covering the subs
1. A device for gassing liquids, comprising: a lower housing element which has a substantially round opening area, anda gas inlet port arranged centrally in the lower housing element,a disk-shaped upper housing element, which corresponds to the substantially round opening area, for covering the substantially round opening area, wherein the disk-shaped upper housing element has a disk-shaped carrier plate having an upper side which faces away from the lower housing element and which is formed to be substantially flat, and a plurality of gas through-openings is provided in a vicinity of a peripheral edge of the disk-shaped upper housing element, said vicinity being at least 0.7-fold of a radius of the upper housing element, said gas through-openings passing through the disk-shaped carrier plate arranged along a full circle radially outward in the disk-shaped carrier plate, anda perforated gassing membrane having a disk-shaped area, covering the upper side of the disk-shaped upper housing element, fastened to a periphery of the upper housing element, so that gas is pressed through the gas through-openings arranged radially outward in the disk-shaped carrier plate and is pressed against the perforated gassing membrane, whereby the perforated gassing membrane inflates starting from the peripheral edge over an entire area and provides gas bubbles escaping all over an entire the disk-shaped area of the gassing membrane. 2. The device according to claim 1, wherein the bottom has a curved section with a curvature that corresponds to the fillet and protrudes toward the substantially round opening area. 3. The device according to claim 1, wherein the gas inlet port passes centrally through the bottom. 4. The device according to claim 1, wherein the gas inlet port passes through the connecting piece. 5. The device according to claim 1, further comprising an opening of the gas inlet port with a one-way valve, wherein the opening faces a housing interior of the lower housing element. 6. The device according to claim 5, wherein the one-way valve is a one-way membrane valve. 7. The device according to claim 1, further comprising a cylindrical support structure extending from a lower side of the disk-shaped upper housing element, wherein the lower side opposes the upper side of the disk-shaped upper housing element. 8. The device according to claim 7, wherein the cylindrical support structure is supported on a curved section of the bottom of the lower housing element when the disk-shaped upper housing element is attached on the lower housing element. 9. The device according to claim 7, further comprising ribs extending radially from the cylindrical support structure toward the peripheral edge, wherein one of said gas through-openings is provided between two of the ribs adjacent to each other. 10. The device according to claim 7, wherein the cylindrical support structure comprises a plurality of apertures in a form of axially extending slots. 11. The device according to claim 9, wherein the ribs are positively supported in sections on a curved section of the bottom of the lower housing element when the disk-shaped upper housing element is attached on the lower housing element. 12. The device according to claim 9, wherein, when the disk-shaped upper housing element is attached on the lower housing element, the ribs are positively supported on a curved section of the bottom of the lower housing element in two directions which are perpendicular to each other. 13. The device according to claim 1, further comprising a threaded ring engaging over the peripheral edge of the disk-shaped upper housing element for fastening the disk-shaped upper housing element to the lower housing element. 14. The device according to claim 1, wherein the lower housing element further has a bottom in a funnel-like shape at at least a part of the bottom,a connecting piece in a semi-cylindrical shape, molded in a manner of fillet to attach the lower housing element to a gas supply line, and having protrusions projecting outwardly at two edges of the connecting piece, anda counter piece in a chute shape, having groove-like recesses opposing to each other, interlocked with the connecting piece at edges of the counter piece. 15. The device according to claim 14, wherein the protrusions and the groove-like recesses corresponding thereto are arranged obliquely. 16. The device according to claim 14, wherein the protrusions and the groove-like recesses are interlocked with each other.
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이 특허에 인용된 특허 (24)
Sasajima,Kunihiko, Aeration device and aeration system.
Cannan Milton R. (Willow Grove PA) Cepil Robert J. (Souderton PA) Pentz Howard L. (Lansdale PA) Quimby Thomas W. (Hatboro PA), Flexible membrane diffuser.
Goudy ; Jr. Paul R. (Shorewood WI) Doolittle William P. (Slinger WI) Jenkins Thomas E. (Glendale WI) Beemster Bernard J. (Mequon WI) Roos William N. (Colgate WI) Collins Patrick V. (Brown Deer WI), Fluid diffuser.
Schssler Karl H. (Philipp-Reis-Strasse 16 D-6460 Gelnhausen DEX), Process for the intermittent aeration of liquids and aeration device for use in such process.
Ewing Lloyd (Bayside WI) Redmon David T. (Racine WI) Thayer Paul M. (Milwaukee WI) Schmit Frank L. (Port Washington WI) Roche William H. (Mequon WI), Sewage aeration system.
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