Filter screen brush assembly

Patent metadata

Field	Value
Publication number	US-10286339-B2
Application number	US-201514941871-A
Country	US
Kind code	B2
Filing date	Nov 16, 2015
Priority date	Nov 16, 2015
Publication date	May 14, 2019
Grant date	May 14, 2019

Abstract

A filter screen brush apparatus includes a circular connecting portion that has an opening substantially centered on a longitudinal axis of the apparatus. At least one extension arm has one end coupled to the circular connecting portion and extends from the circular connecting portion along the longitudinal axis. The at least one extension arm includes an inner surface that faces the longitudinal axis. At least one brush is coupled to the inner surface of the at least one extension arm.

First claim

What is claimed is:

1. An apparatus comprising:
a connecting portion having an opening extending radially from a longitudinal axis of the apparatus;
at least one extension arm having one end coupled to the connecting portion and extending longitudinally therefrom, wherein the at least one extension arm forms an arc around the longitudinal axis from a relatively thin first end to a thicker second end such that the arc comprises a cross-sectional wedge shape; and
at least one brush coupled to an inner surface of the at least one extension arm.

2. The apparatus of claim 1 , wherein the at least one extension arm comprises a plurality of extension arms extending longitudinally from the connecting portion in a helical manner centered on the longitudinal axis.

3. The apparatus of claim 1 , wherein the at least one extension arm comprises a plurality of extension arms extending longitudinally from the connecting portion substantially parallel to the longitudinal axis.

4. The apparatus of claim 1 , further comprising a bearing disposed in a groove on an inside surface of the opening.

5. The apparatus of claim 1 , wherein the at least one brush comprises a plurality of brushes disposed on the inner surface.

6. The apparatus of claim 1 , wherein the at least one brush comprises metal and/or composite bristles.

7. The apparatus of claim 1 , wherein the at least one extension arm provides a force inward toward the longitudinal axis such that, during operation, a substantially constant force is provided on a filter screen.

8. The apparatus of claim 1 , wherein the at least one extension arm is set at a fixed distance from the longitudinal axis such that, during operation, the brush does not come in contact with the filter screen.

Assignees

• Halliburton Energy Services Inc

Inventors

• Crandall James Michael
• Young Joseph Keith

Classifications

• A46B3/00

  Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier (machines or appliances therefor A46D) · CPC title

• A46B2200/405

  Brush used for purposes that are not conventional brushing, e.g. holder or support · CPC title

• B01D35/02

  Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks, (B01D35/05 takes precedence; {water pipe system filters E03B3/18, E03B7/07; dirt catchers in sewers E03F; filters or strainers for pipe-lines in general B08B, E03F; object or dirt catching devices in sinks or the like E03C1/26; suction strainers or filters for pumps F04B53/005, F04D29/70}) · CPC title

• B01D29/6415 Primary

  with a rotary movement with respect to the filtering element · CPC title

• A46B9/06

  Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber · CPC title