Dual channel connector units, devices, methods, and systems including the same
Technologies for providing a gas inlet and gas outlet to a compartment are described. In embodiments, the technologies include a dual channel connector unit that includes an inlet passageway and an outlet passageway. In embodiments at least a portion of the outlet passageway is disposed radially around the inlet passageway. The connector unit is configured to install into a portion (e.g., wall, bottom, top, or lid) of a compartment. Systems and methods including such connector units are also described.
1. A connector unit comprising:
an inlet passageway and an outlet passageway, the inlet passageway comprising a first proximal end and a first distal end and the outlet passageway comprising a second proximal end and a second distal end;
a second connector portion comprising a first passageway; and
a fourth connector portion that is configured to be inserted into the first passageway;
wherein:
at least a portion of the outlet passageway is disposed radially around the inlet passageway;
the fourth connector portion comprises a first body and a flange, the first body comprising an outer surface;
the inlet passageway is formed through the first body;
the second connector portion comprises a second body comprising a wall having an inward facing surface that defines at least a portion of the first passageway;
when the fourth connector portion is inserted into the first passageway, a gap is present between the outer surface of the first body and the inward facing surface of the wall of said second body, said gap defining at least a portion of the outlet passageway; and
the connector unit is configured to be installed into and span a portion of a compartment such that the first and second proximal ends are located outside the compartment and the first and second distal ends are located inside the compartment when the connector unit is installed.
2. The connector unit of claim 1 , further comprising:
a first inlet connector coupled to the first proximal end; and
a second inlet connector coupled to the first distal end.
3. The connector unit of claim 2 , further comprising an outlet connector configured to couple to the second proximal end.
4. The connector unit of claim 2 , wherein the second inlet connector comprises said first distal end, and the second distal end is located proximal to the first distal end.
5. The connector unit of claim 1 , wherein the second distal end is located proximal to the first distal end.
6. The connector unit of claim 1 , wherein the connector unit is a self-drilling connector unit.
7. The connector unit of claim 1 , further comprising at least one standoff element extending from the outer surface of the first body, the at least one standoff element to maintain the gap between the outer surface of the first body and inward facing surface of the second body when the fourth connector portion is inserted in the first passageway.
8. The connector unit of claim 1 , wherein:
the wall of the second body comprises a distal portion and a proximal portion;
the second connector portion comprises an abutment surface at an edge of the proximal portion of the wall of the second body; and
an engagement surface of the flange is configured to abut the abutment surface of the second connector portion when the fourth connector portion is inserted into the first passageway.
9. The connector unit of claim 8 , further comprising at least one sealing element, wherein:
said flange further comprises a plug;
when the fourth connector portion is inserted into the first passageway:
the plug is disposed within a proximal end of the first passageway; and
the at least one sealing element is disposed between an inward facing surface of the proximal portion of the wall of the second body and at least a portion of said plug, so as to form a gas-tight seal between at least the plug and the second body.
10. The connector unit of claim 1 , wherein:
the first passageway comprises a proximal opening and a distal opening;
the second connector portion comprises self-drilling elements disposed about the distal opening.
11. The connector unit of claim 1 , further comprising a first connector portion that is configured to couple to a portion of the compartment, wherein:
the first connector portion comprises an opening; and
the second connector portion is configured to be inserted into the opening of the first connector portion.
12. The connector unit of claim 11 , wherein:
the first connector portion comprises first guide elements within the opening;
the wall of the second body comprises a distal portion and a proximal portion;
second guide elements are formed on an outside surface of the distal portion of the wall of the second body; and
the second guide elements and first guide elements are configured to draw the distal portion of wall of the second body into the opening of the first connector portion.
13. The connector unit of claim 12 , wherein:
the first guide elements are first threads; and
the second guide elements are second threads configured to threadably engage with the first threads to draw the second body into the opening of the first connector portion when the second connector portion is rotated about an axis that is parallel to and extends through the first passageway.
14. The connector unit of claim 12 , further comprising at least one locking element configured to be disposed on the outside surface of the distal portion of the wall of the second body, wherein the at least one locking element is configured to lock the relative position of the first connector portion and the second connector portion.
15. The connector unit of claim 14 , wherein the second connector portion comprises a handle, and the at least one locking element is between the handle and the first connector portion.
16. The connector unit of claim 14 , wherein:
the at least one locking element comprises a first locking element and a second locking element;
the first locking element configured to be disposed distally from the first connector portion; and
the second locking element is configured to be disposed proximally from the first connector portion.
17. The connector unit of claim 1 , wherein the wall of the second body comprises a distal portion and a proximal portion, and at least one proximal hole is present through the proximal portion, the at least one proximal hole forming at least a portion of the outlet passageway.
18. The connector unit of claim 17 , further comprising a third connector portion comprising a collar defining an opening, the collar comprising a proximal edge, at least one spacer element disposed within the opening, and at least one outlet opening; wherein:
the collar is configured to be disposed over the proximal portion of the wall of the second body;
when the collar is disposed over the proximal portion of the wall of the second body, the at least one spacer element is disposed between an inward facing surface of the collar and the outward facing surface of the proximal portion of the wall, such that a circumferential gap is present between the inward facing surface of the collar and the outward facing surface of the proximal portion of the wall, the circumferential gap fluidly coupling the at least one proximal hole with the at least one outlet opening; and
the circumferential gap and the outlet opening form at least a portion of said outlet passageway.
19. The connector unit of claim 17 , wherein:
the collar of the third connector portion comprises a proximal circumferential edge; and
when the collar is disposed over the proximal portion of the wall of the second body and the fourth connector portion is inserted into the first passageway, at least a portion of the flange of the fourth connector portion abuts the proximal circumferential edge.