US3913838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clog-proof liquid distribution device
Assignee: Xerox Corp
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Filing: 1974-08-23
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Granted: 1975-10-21
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Expires: 1994-08-23
Abstract
Abstract A clog-proof liquid distribution device for use in a mixing container for supplying treatment liquid to a comminuted material flowing through the container. The device is disposed for axial rotation in a substantially cylindrical container so that the hollow supply shaft extends longitudinally in the container and at least one arm extends radially outward therefrom, transverse to the direction of flow of the material. The arm contains a chamber which receives the liquid from the hollow shaft and distributes it through a plurality of orifices to a plurality of wedge-shaped nozzles fanning outward towards the rear of the arm in the direction opposite the direction of rotation of the arm. The orifices can be varied in size along the arm so as to permit varying amounts of liquid to be supplied to the material to effect substantially uniform treatment thereof.
Inventors
- 👤 Johan Christoffer Fred Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:16
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; D; D21; D21B; D21B1/00; D21B1/04; D21B1/12; D21B1/30; D21B1/34; D21B1/342; D21C; D21C7/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
165 words
An anti-clog device for even distribution of treatment liquid over the cross-section of a standing, mainly circular container, through which finely comminuted material can be moved in the lengthwise direction of the container, said device consisting of at least one arm with nozzle openings arranged with partly streamlined cross-section, which arm is fastened to a driven, rotating shaft, through which liquid can be added, the liquid flows through an opening in the shaft into a chamber in the lengthwise direction of the arm, which chamber is built with a mainly horizontal top part provided with orifices, which the orifices open into a plurality of nozzles which widen toward the back part of the arm in both the widthwise and heightwise direction where each nozzle is ended in a narrow opening of relatively great width and small height and where two adjacent nozzles have openings located close to each other, so that the whole back side of the arm is substantially made up of nozzle openings.
Claim 2
Dependent Claim
165 words
An anti-clog device for even distribution of treatment liquid over the cross-section of a standing, mainly circular container, through which finely comminuted material can be moved in the lengthwise direction of the container, said device consisting of at least one arm with nozzle openings arranged with partly streamlined cross-section, which arm is fastened to a driven, rotating shaft, through which liquid can be added, the liquid flows through an opening in the shaft into a chamber in the lengthwise direction of the arm, which chamber is built with a mainly horizontal top part provided with orifices, which the orifices open into a plurality of nozzles which widen toward the back part of the arm in both the widthwise and heightwise direction where each nozzle is ended in a narrow opening of relatively great width and small height and where two adjacent nozzles have openings located close to each other, so that the whole back side of the arm is substantially made up of nozzle openings.
Claim 3
Dependent Claim
78 words
A device according to claim 1, wherein each nozzle is connected with the chamber in the lengthwise direction of the arm through one or more orifices with a cross-sectional area of a magnitude in proportion to the respective nozzle distance from the shaft, whereby each portion of the comminuted material flowing through the container will be allotted approximately the same quantity of treatment liquid by the nozzles independently of the distance of the portion from the container shaft.
Claim 4
Dependent Claim
44 words
A device according to claim 2, wherein the orifices cross-sectional areas are adjusted so that the liquid is leaving the nozzle openings with a velocity which approximately corresponds to the average tangential velocity of the respective nozzle opening but directed in the opposite direction.
Claim 5
Dependent Claim
88 words
A device according to claim 1, wherein the nozzle openings have a height so that at one revolution of the shaft in the container the nozzles will leave behind a layer of liquid with the same thickness as the height of the nozzles, whereby the nozzles substantially cover the whole cross-section of the container and provide a total quantity of liquid corresponding to the nominal quantity it is desired to add to the finely comminuted material during the time it takes for the shaft to rotate one revolution.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |