IP Library › Granted Patent US 7,425,264
Granted Patent B2
US 7,425,264 · App. 11/183,643 · Granted Sep 16, 2008

Centrifugal screen

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Quick Facts
Patent No.
US 7,425,264
App. No.
11/183,643
Granted
Sep 16, 2008
Kind
B2
Abstract

The centrifuge has truncated-cone-like separating screen arranged in support basket and held in the bottom thereof by lower flange. Lower flange has notched surface which penetrates into screen. The screen and the basket both have an annular upper edge and an upper flange which is attached to the upper edge of the basket and covers the upper edge of the screen. Finally, the screen is formed by a number of segments attached in pairs by a joint with a T-shaped section.

Claims (11)

1. A centrifuge comprising: a separating screen arranged in a support basket and held in a bottom thereof by a lower flange, wherein the lower flange has a notched surface which penetrates into the screen.

2. The centrifuge according to claim 1 , wherein the screen and the basket both have an annular upper edge whereby an upper flange operatively fixed to the upper edge of the basket covers the upper edge of the screen.

3. The centrifuge according to claim 1 , wherein the screen is a truncated cone and is formed by a number of segments attached in pairs by a joint with a T-shaped section.

4. The centrifuge according to claim 3 , wherein the joint with the T-shaped section has a vertical branch which is removably attached to the basket.

5. The centrifuge according to claim 4 , wherein the joint with the T-shaped section is attached to the basket by at least one connection member.

6. A Process for manufacturing of a centrifuge according to claim 1 , in which notched surface has notches which are hardened by case hardening.

7. The centrifuge according to claim 1 , wherein the separating screen comprises at least two sections connected by a joint member.

8. The centrifuge according to claim 7 , wherein the joint member is a T-shaped joint member.

9. The centrifuge according to claim 7 , wherein the joint member is attached to the basket by a releasable connection.

10. The centrifuge according to claim 9 , wherein the joint member is a T-shaped joint member.

11. The centrifuge according to claim 7 , wherein the joint member comprises a releasable connector.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 1, 2013
From: WEATHERFORD/LAMB, INC.
To: JOHNSON SCREENS, INC.
Reel/Frame 029903/0827 →