Gaseous fluid extractor apparatus

Abstract

An adjustable gaseous fluid extractor assembly including a first portion and a second portion. The assembly further includes a pivot mechanism providing that the first portion is pivotable relative the second portion about a respective first and second axis. The assembly further includes a flexible tubing element coupled to the first portion and to the second portion. The pivot mechanism is arranged exterior the flexible tubing element.

Claims

1. An adjustable gaseous fluid extractor assembly, comprising: a first portion; a second portion; a pivot mechanism providing that the first portion is pivotable relative to the second portion about respective first and second axes, the pivot mechanism comprising a first pivot joint defining the first axis, a second pivot joint defining the second axis, and a link that extends between the first pivot joint and the second pivot joint, the link having a first end connected to the first pivot joint and a second end that is opposite the first end and is connected to the second pivot joint, wherein the first and second axes are oriented perpendicular to each other; a flexible tubing element coupled to the first portion and second portion; and wherein the pivot mechanism is arranged exterior the flexible tubing element, wherein in a neutral state, the adjustable gaseous fluid extractor assembly extends along a central longitudinal axis, such that the flexible tubing element is entirely linear and the first and second axes are oriented perpendicular to the central longitudinal axis, wherein, in said neutral state, the first axis is positioned nearer a front end of the flexible tubing element than the second axis, and wherein the pivot mechanism is symmetrically arranged for simplified handling of the adjustable gaseous fluid extractor assembly, wherein the first pivot joint comprises a pair of first pivot joints about which the first portion is rotatable, the first portion comprising a first arm having one of the pair of first pivot joints and a second arm having the other of the pair of the first pivot joints, and the second pivot joint comprises a pair of second pivot joints about which the first portion is rotatable, the second portion comprising a third arm having one of the pair of second pivot joints and a fourth arm having the other of the pair of second pivot joints, and wherein the link comprises a first link and a second link, the first link coupled between the first pivot joint of the first arm and the second pivot joint of the fourth arm, and the second link coupled between the first pivot joint of the second arm and the second pivot joint of the third arm.

2. The assembly according to claim 1, wherein the pivot mechanism is arranged between the first and second portion.

3. The assembly according to claim 1, wherein the first portion comprises the first axis about which the first portion is rotatable in a first sector exhibiting a sector area of 0-180 degrees.

4. The assembly according to claim 3, wherein the second portion comprises the second axis about which the first portion is rotatable in a second sector exhibiting a sector area of 0-180 degrees.

5. The assembly according to claim 1, wherein the second portion comprises the second axis about which the first portion is rotatable in a second sector exhibiting a sector area of 0-180 degrees.

6. The assembly according to claim 1, wherein the first portion comprises a handle member.

7. The assembly according to claim 1, wherein the link is arranged exterior to the flexible tubing element.

8. An adjustable gaseous fluid extractor assembly, comprising: a first portion; a second portion; a pivot mechanism providing that the first portion is pivotable relative to the second portion about respective first and second axes, the pivot mechanism comprising a link that extends between and directly connects the first portion and the second portion, wherein the link extends along an axis that is angled relative to the first and second axes, wherein the first and second axes are oriented perpendicular to each other; a flexible tubing element coupled to the first portion and second portion; and wherein the pivot mechanism is arranged exterior the flexible tubing element, wherein in a neutral state, the adjustable gaseous fluid extractor assembly extends along a central longitudinal axis, such that the flexible tubing element is linearly oriented, and the first and second axes are oriented perpendicular to the central longitudinal axis, wherein, in said neutral state, the first axis is positioned nearer a front end of the flexible tubing element than the second axis, and wherein the pivot mechanism is symmetrically arranged about the central longitudinal axis for simplified handling of the adjustable gaseous fluid extractor assembly, wherein the first portion comprises a first arm and a second arm each having a respective first pivot joint about which the first portion is rotatable, wherein the second portion comprises a third arm and a fourth arm each having a respective second pivot joint about which the first portion is rotatable, and wherein the pivot mechanism comprises a first link and a second link, the first link coupled between the first pivot joint of the first arm and the second pivot joint of the fourth arm, and the second link coupled between the first pivot joint of the second arm and the second pivot joint of the third arm.

9. The assembly according to claim 8, wherein the pivot mechanism is arranged between the first and second portion.

10. The assembly according to claim 8, wherein the first portion comprises the first axis about which the first portion is rotatable in a first sector exhibiting a sector area of 0-180 degrees.

11. The assembly according to claim 8, wherein the second portion comprises the second axis about which the first portion is rotatable in a second sector exhibiting a sector area of 0-180 degrees.

12. The assembly according to claim 8, wherein the link is arranged exterior to the flexible tubing element.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The present invention will now be described by way of examples with references to the accompanying schematic drawings, of which:

(2) FIG. 1 illustrates an extractor arm arrangement comprising an adjustable gaseous fluid extractor assembly according to a first example;

(3) FIG. 2 illustrates an adjustable gaseous fluid extractor assembly according to a second example;

(4) FIG. 3 illustrates an adjustable gaseous fluid extractor assembly according to a third example;

(5) FIG. 4 illustrates an adjustable gaseous fluid extractor assembly according to a fourth example;

(6) FIGS. 5a and 5b illustrate an adjustable gaseous fluid extractor assembly according to a fifth example;

(7) FIG. 6 illustrates an adjustable gaseous fluid extractor assembly according to a sixth example; and

(8) FIGS. 7a and 7b illustrate an adjustable gaseous fluid extractor assembly according to a seventh example.

DETAILED DESCRIPTION

(9) Hereinafter, exemplary embodiments of the present invention are described with reference to the accompanying figures, wherein for the sake of clarity and understanding of the invention some details of no importance may be deleted from the drawings. For example, in some drawings the flexible tubing is omitted.

(10) FIG. 1 illustrates a hanging extractor arm arrangement 2 comprising an adjustable gaseous fluid extractor assembly 1 according to a first example. There may standing versions of extractor arm arrangements as well. The extractor arm arrangement is designed for source capturing different gases dust avoiding their expansion in a worksite.

(11) A suction fan (not shown) is coupled to a channel of the extractor arm arrangement 2. A hood 10 is in turn mounted to the adjustable gaseous fluid extractor assembly 1. The adjustable gaseous fluid extractor assembly 1 comprises a pivot mechanism (not shown) providing that a first portion 3 of the adjustable gaseous fluid extractor assembly 1 is pivotable relatively a second portion 5 about a respective first and second imaginary axis (not shown) for freely pivoting the hood 10 in accordance with arrows P1 and P2, preferably in three-dimension.

(12) FIG. 2 illustrates an adjustable gaseous fluid extractor assembly 1 according to a second example. The adjustable gaseous fluid extractor assembly 1 comprises a first portion 3 and a second portion 5 and comprises a pivot mechanism 7. The pivot mechanism 7 is configured to provide that the first portion 3 is pivotable relative the second portion 5 about a respective first X and second Y axis. A flexible tubing 9 is coupled to the pivot mechanism 7 via a first end 9 and second end 9 of the flexible tubing 9. The flexible tubing 9 is configured to bend by means of the adjustable gaseous fluid extractor assembly 1 when an operator (not shown) moves a handle 11 coupled to the first portion 3. The pivot mechanism 7 is arranged exterior the flexible tubing 9. A hood 10 is configured to be coupled to the first end 9.

(13) FIG. 3 illustrates an adjustable gaseous fluid extractor assembly 1 according to a third example. The adjustable gaseous fluid extractor assembly 1 comprises a first portion 3 and a second portion 5. The adjustable gaseous fluid extractor assembly 1 further comprises a pivot mechanism 7 providing that the first portion 3 is pivotable relative the second portion 5 about a respective first X and second Y imaginary axis. The first imaginary axis X is defined by means of and intersects a pair of first pivot joints 7. The second imaginary axis X is defined by means of and intersects a pair of second pivot joints 7. A flexible tubing (not shown) is to be mounted to the adjustable gaseous fluid extractor assembly 1 and inside the pivot mechanism 7. The pivot mechanism 7 is arranged between the first 3 and second 5 portion. The first portion 3 comprises the pair of first pivot joints 7 about which the first portion 3 is configured to rotate. The second portion 5 comprises the pair of second pivot joints 7 about which the first portion 3 is configured to rotate.

(14) FIG. 4 illustrates an adjustable gaseous fluid extractor assembly 1 according to a fourth example. The adjustable gaseous fluid extractor assembly 1 comprises a first portion 3 and a back portion 5. The adjustable gaseous fluid extractor assembly 1 further comprises a pivot mechanism 7 providing that the first portion 3 is pivotable relative the back portion 5 about a respective first X and second Y imaginary axis.

(15) A flexible tubing 9 is coupled to the pivot mechanism 7 via a front end 9 of the flexible tubing 9 that is coupled to the first portion 3. The first portion 3 comprises a first 21 and a second (not shown) arm being integrally mounted to a ring shaped inlet grill 22 of the first portion 3. A respective end part of each arm comprises pivot joints defining the first imaginary axis X, about which the first portion 3 is pivotable.

(16) A back end 9 of the flexible tubing 9 is in turn configured to be coupled to a free end of the extractor arm arrangement 2. The back portion 5 of the adjustable gaseous fluid extractor assembly 1 is thus configured to be coupled to the flexible tubing 9 via the free end of the extractor arm arrangement 2 by means of a third 31 and a fourth 32 arm being mounted to the free end of the extractor arm arrangement 2. The third 31 and the fourth 32 arm extend in a direction toward the first portion 3 and in direction from the free end of the extractor arm arrangement 2. A respective end part of each arm 31, 32 comprises a respective pivot joint defining the second imaginary axis Y, about which the first portion 3 is pivotable.

(17) FIGS. 5a and 5b illustrate an adjustable gaseous fluid extractor assembly 1 according to a fifth example. FIG. 5a shows the adjustable gaseous fluid extractor assembly 1 in a side view. A bracket shaped handle 11 is arranged to the first portion 3.

(18) The adjustable gaseous fluid extractor assembly 1 extends along a central longitudinal axis CL in a neutral state, in which state the flexible tubing is defined as a linearly oriented flexible tubing.

(19) The first portion 3 is pivoted about a first axis X1 with an angle 1 of a first sector, the area of which may have an angle of 0-90 degrees, or preferably 15-60 degrees, from the central longitudinal axis CL.

(20) Alternatively, the angle 1 of the first sector thus may exhibit a sector area of +/90 degrees from the central longitudinal axis CL, thus the total rotary range of adjustable first portion 3 may be 0-180 degrees.

(21) FIG. 5b shows the adjustable gaseous fluid extractor assembly 1 in a view from above. The bracket shaped handle 11 is not moved laterally, but adjusted to a straight orientation, wherein the adjustable gaseous fluid extractor assembly 1 extends along the central longitudinal axis CL.

(22) However, the first portion 3 may be pivoted about a second axis X2 with a second angle 2 of a second sector, the area of which may have an angle of 0-90 degrees, or preferably 15-60 degrees, from the central longitudinal axis CL.

(23) Alternatively, the second angle 2 of the second sector thus may exhibit a sector area of +/90 degrees from the central longitudinal axis CL, thus the total rotary range of adjustable first portion 3 may be 0-180 degrees.

(24) FIG. 6 illustrates an adjustable gaseous fluid extractor 1 according to a sixth example. The adjustable gaseous fluid extractor 1 comprises a first portion 3 and a second portion 5. The adjustable gaseous fluid extractor 1 comprises a pivot mechanism 7 providing that the first portion 3 is pivotable relative the second portion 5 about a respective first X and second X imaginary axis.

(25) A front end 6 of the flexible tubing 9 is coupled to the first portion 3 of the adjustable gaseous fluid extractor 1. A back end 6 of the flexible tubing 9 is coupled to the second portion 5.

(26) The first portion 3 comprises a ring shaped inlet grill 22, onto which the front end 6 of the flexible tubing 9 is attached.

(27) The first portion 3 further comprises a first arm 21 and a second arm 21, each having a respective first pivot joint 7 about which the first portion 3 is configured to rotate.

(28) The second portion 5 comprises a third 31 and a fourth 32 arm, each having a respective second pivot joint 7 about which the first portion 3 is configured to rotate.

(29) The respective third 31 and fourth 32 arm being mounted to the extractor arm 2.

(30) A first link 41 is coupled between the first pivot joint 7 of the first arm 21 and the second pivot joint 7 of the fourth arm 32.

(31) A second link 42 is coupled between the first pivot joint 7 of the second arm 21 and the second pivot joint 7 of the third arm 32.

(32) The first imaginary axis X is positioned nearer the front end 6 of the flexible tubing 9, comprising the ring shaped inlet grill 22, than the second imaginary axis Y.

(33) The arms and links may be made of aluminium and may comprise lightening holes 45.

(34) The pivot mechanism 7 is arranged exterior the flexible tubing 9 and is arranged between the first 3 and second 5 portion.

(35) FIGS. 7a and 7b illustrate an adjustable gaseous fluid extractor 1 according to a seventh example. FIG. 7a shows (a flexible tubing is not shown) the adjustable gaseous fluid extractor 1 comprising a first portion 3 and a second portion 5. The adjustable gaseous fluid extractor 1 comprises a pivot mechanism 7 providing that the first portion 3 is pivotable relative the second portion 5 about a respective first X and second X imaginary axis.

(36) The first portion 3 may be pivoted about the second axis Y with an angle of a second sector, the area sector of which may exhibits an angle of 80 degrees from the central longitudinal axis CL.

(37) FIG. 7b shows an interior channel 60 of the adjustable gaseous fluid extractor 1 shown in FIG. 1a.

(38) By positioning the pivot mechanism 7 exterior the flexible tubing 9, the flow Q of gaseous fluid is achieved not affected by any disturbances in the channel 60, and freely pass through the interior channel 60, in an energy efficient way.

(39) Furthermore, by positioning the pivot mechanism 7 exterior the flexible tubing 9, the pivot mechanism 7 would not be subjected to hot gases flowing through the channel 60, whereby the pivot mechanism 7 can be made of aluminium or other light material, which in turn provides for a light adjustable gaseous fluid extractor 1.

(40) The present invention is of course not in any way restricted to the preferred examples described above, but many possibilities to modifications, or combinations of the described examples thereof, should be apparent to a person with ordinary skill in the art without departing from the basic idea of the invention as defined in the appended claims.