Fluid-flow-modification plate and extruder, comprising the same

Patent metadata

Field	Value
Publication number	US-11148339-B2
Application number	US-202016824996-A
Country	US
Kind code	B2
Filing date	Mar 20, 2020
Priority date	Mar 20, 2020
Publication date	Oct 19, 2021
Grant date	Oct 19, 2021

Abstract

A fluid-flow-modification plate comprises a monolithic body, having an inlet-side surface, an outlet-side surface, a first passage, a second passage, a third passage, and a fourth passage. The first passage, second passage, third passage, and fourth passage each extend between the inlet-side surface and the outlet-side surface. The first passage and second passage intersect each other at a first intersection boundary. The third passage and fourth passage intersect each other at a second intersection boundary. The first passage and third passage do not intersect each other. The first passage and fourth passage do not intersect each other. The second passage and third passage do not intersect each other. The second passage and fourth passage do not intersect each other. The first-passage-inlet-opening perimeter boundary has single-point contact with the fourth-passage-inlet-opening perimeter boundary. The second-passage-outlet-opening perimeter boundary has single-point contact with the third-passage-outlet-opening perimeter boundary.

First claim

What is claimed is:

1. A fluid-flow-modification plate, comprising:
a monolithic body, having an inlet-side surface and an outlet-side surface;
a first passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a first-passage inlet opening, having a first-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a first-passage outlet opening, having a first-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body;

a second passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a second-passage inlet opening, having a second-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a second-passage outlet opening, having a second-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body;

a third passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a third-passage inlet opening, having a third-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a third-passage outlet opening, having a third-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body; and

a fourth passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a fourth-passage inlet opening, having a fourth-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a fourth-passage outlet opening, having a fourth-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body; and wherein:

the first passage and the second passage intersect each other at a first intersection boundary;
the third passage and the fourth passage intersect each other at a second intersection boundary;
the first passage and the third passage do not intersect each other;
the second passage and the fourth passage do not intersect each other;
the first-passage-inlet-opening perimeter boundary has a single-point contact with the fourth-passage-inlet-opening perimeter boundary;
the first-passage inlet opening and the second-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the first-passage inlet opening and the third-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the second-passage inlet opening and the third-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the third-passage inlet opening and the fourth-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the second-passage-outlet-opening perimeter boundary has a single-point contact with the third-passage-outlet-opening perimeter boundary;
the first-passage outlet opening and the second-passage outlet opening are separated from each other at least by a portion of the outlet-side surface;
the first-passage outlet opening and the third-passage outlet opening are separated from each other at least by a portion of the outlet-side surface;
the first-passage outlet opening and the fourth-passage outlet opening are separated from each other at least by a portion of the outlet-side surface; and
the third-passage outlet opening and the fourth-passage outlet opening are separated from each other at least by a portion of the outlet-side surface.

2. The fluid-flow-modification plate according to claim 1 , wherein:
the first passage and the third passage are parallel to each other; and
the second passage and the fourth passage are parallel to each other.

3. The fluid-flow-modification plate according to claim 2 , wherein:
the first passage and the fourth passage are oblique to each other; and
the second passage and the third passage are oblique to each other.

4. The fluid-flow-modification plate according to claim 1 , wherein at least one of the first-passage inlet opening, the second-passage inlet opening, the third-passage inlet opening, and the fourth-passage inlet opening is chamfered.

5. The fluid-flow-modification plate according to claim 1 , wherein at least one of the first-passage outlet opening, the second-passage outlet opening, the third-passage outlet opening, and the fourth-passage outlet opening is chamfered.

6. The fluid-flow-modification plate according claim 1 , wherein the first-passage inlet opening, the second-passage inlet opening, the third-passage inlet opening, and the fourth-passage inlet opening are collectively arranged in a first circumferentially closed formation.

7. The fluid-flow-modification plate according to claim 6 , further comprising:
a fifth passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a fifth-passage inlet opening, having a fifth-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a fifth-passage outlet opening, having a fifth-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body;

a sixth passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a sixth-passage inlet opening, having a sixth-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a sixth-passage outlet opening, having a sixth-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body;

a seventh passage, extending between the inlet-side surface and the outlet-side surface and comprising:
a seventh-passage inlet opening, having a seventh-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
a seventh-passage outlet opening, having a seventh-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body; and

an eighth passage, extending between the inlet-side surface and the outlet-side surface and comprising:
an eighth-passage inlet opening, having an eighth-passage-inlet-opening perimeter boundary, defined in the inlet-side surface of the monolithic body; and
an eighth-passage outlet opening, having an eighth-passage-outlet-opening perimeter boundary, defined in the outlet-side surface of the monolithic body; and

wherein:
the fifth passage and the sixth passage intersect each other at a third intersection boundary;
the seventh passage and the eighth passage intersect each other at a fourth intersection boundary;
the fifth passage and the seventh passage do not intersect each other;
the sixth passage and the eighth passage do not intersect each other;
the fifth-passage-inlet-opening perimeter boundary has a single-point contact with the eighth-passage-inlet-opening perimeter boundary;
the fifth-passage inlet opening and the sixth-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the fifth-passage inlet opening and the seventh-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the sixth-passage inlet opening and the seventh-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the seventh-passage inlet opening and the eighth-passage inlet opening are separated from each other at least by a portion of the inlet-side surface;
the sixth-passage-outlet-opening perimeter boundary has a single-point contact with the seventh-passage-outlet-opening perimeter boundary;
the fifth-passage outlet opening and the sixth-passage outlet ope

Assignees

• Boeing Co

Inventors

• Cai Fei
• Song Weidong

Classifications

• B29C48/70 Primary

  comprising means for dividing, distributing and recombining melt flows · CPC title

• B29C48/30

  Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03) · CPC title

• B01F25/4522

  the components being pressed through porous bodies, e.g. flat plates, blocks or cylinders, which obstruct the whole diameter of the tube (B01F25/45243 takes precedence) · CPC title

• B29C48/345

  Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising · CPC title

• B29C48/304 Primary

  specially adapted for bringing together components, e.g. melts within the die · CPC title