Claims
- 1. A centrifugal pump for continuously feeding pulverized material from a low pressure zone into a high pressure zone, the pump comprising a hollow rotor with a central chamber communicating with a plurality of channels extending toward the outer rim of the rotor, each channel communicating at the outlet thereof with a nozzle, the interior of each nozzle communicating at the bottom end thereof with the outlet of a channel, and at the other end thereof, via a circular opening with the high pressure zone, the central axes of the outlet and the opening coinciding, and a conically shaped wall of continuous porosity being arranged coaxially with respect to the circular opening, which wall extends form the outlet of the channel to the circular opening of the nozzle, the space between the wall of continuous porosity and the wall of the interior of the nozzle communicating with a conduit for the supply of gas.
- 2. A centrifugal pump according to claim 1 wherein the permeable wall is a porous material.
- 3. A centrifugal pump according to claim 1 wherein the permeable wall is provided with notch-shaped openings.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8135066 |
Nov 1981 |
GBX |
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Parent Case Info
This is a division of application Ser. No. 746,441 filed June 18, 1985, which is now U.S. Pat. No. 4,605,352, which is a division of application Ser. No. 699,494 filed Feb. 8, 1985, now abandoned, which is a continuation of application Ser. No. 495,011 filed Nov. 18, 1982, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2816316 |
Dec 1978 |
DEX |
Divisions (2)
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Number |
Date |
Country |
Parent |
746441 |
Jun 1985 |
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Parent |
699494 |
Feb 1985 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
435011 |
Oct 1982 |
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