Mitigation sleeve
A refrigerant leak mitigation sleeve includes a flexible sleeve body comprising bellow elements, wherein the flexible sleeve body includes a cavity configured to contain refrigerant fluid and the bellow elements are configured to expand or contract. The mitigation sleeve includes a tube clamp interface at a first end of the flexible sleeve body, wherein the tube clamp interface comprises a first diameter and is configured to receive a tube. The mitigation sleeve includes a sealing collar at a second end of the flexible sleeve body. The mitigation sleeve includes at the collar end a passageway for refrigerant leaks to be directed back into the HVAC equipment cabinet. The mitigation sleeve includes a gusset positioned between the sealing collar and the flexible sleeve body, wherein the gusset comprises stiffening ribs. The mitigation sleeve further includes a deformable engagement collar connected to the sealing collar on a side opposite to the gusset.
1 . A mitigation sleeve, comprising:
a flexible sleeve body comprising a plurality of bellow elements, wherein the flexible sleeve body includes a cavity configured to contain fluid, and wherein the plurality of bellow elements are configured to expand or contract;
a tube clamp interface at a first end of the flexible sleeve body, wherein the tube clamp interface comprises a first diameter and is configured to receive a tube;
a sealing collar at a second end of the flexible sleeve body;
a gusset positioned between the sealing collar and the flexible sleeve body, wherein the gusset comprises a plurality of stiffening ribs; and
a deformable engagement collar connected to the sealing collar on a side opposite to the gusset;
wherein the deformable engagement collar connected to the sealing collar is configured to seal against an air conditioning (AC) cabinet associated with an AC system, and wherein the mitigation sleeve further comprises a drip pan extension connected to the sealing collar, wherein the drip pan extension is configured to direct liquid into a drain pan associated with the AC system.
2 . The mitigation sleeve of claim 1 , wherein the tube clamp interface comprises an inner surface, wherein the first diameter is a measurement of the inner surface of the tube clamp interface.
3 . The mitigation sleeve of claim 2 , wherein:
the tube clamp interface is configured to receive a tube comprising an outer surface;
the outer surface of the tube has a second diameter; and
the first diameter is greater than the second diameter by a threshold amount.
4 . The mitigation sleeve of claim 1 , wherein:
the tube clamp interface comprises a first sub tube clamp interface having a second diameter and a second sub tube clamp interface having a third diameter;
the first sub tube clamp interface comprises a first inner surface;
the second sub tube clamp interface comprises a second inner surface;
the second diameter is a measurement of the first inner surface of the first sub tube clamp interface; and
the third diameter is a measurement of the second inner surface of the second sub tube clamp interface.
5 . The mitigation sleeve of claim 4 , wherein:
the first sub tube clamp interface is configured to receive a first tube comprising a first outer surface;
the first outer surface of the first tube has a fourth diameter, the second diameter being greater than the fourth diameter by a threshold amount;
the second sub tube clamp interface is configured to receive a second tube comprising a second outer surface; and
the second outer surface of the second tube has a fifth diameter, the third diameter being greater than the fifth diameter by the threshold amount.
6 . The mitigation sleeve of claim 1 , wherein the tube clamp interface comprises a recess on a surface of the tube clamp interface, and wherein the recess is configured to align a hose clamp when the hose clamp is fixed onto the tube clamp interface.
7 . The mitigation sleeve of claim 1 , wherein the deformable engagement collar connected to the sealing collar is configured to seal against an air conditioning (AC) cabinet associated with an AC system, and wherein the sealing collar further comprises one or more screw holes configured to accommodate one or more screws that can be fixed to the AC cabinet.
8 . The mitigation sleeve of claim 1 , wherein the deformable engagement collar connected to the sealing collar is configured to seal against an air conditioning (AC) cabinet associated with an AC system, and wherein the mitigation sleeve further comprises a drip pan extension tongue connected to the drip pan extension, wherein the drip pan extension tongue tilts downwards to direct liquid into the drip pan when the mitigation sleeve is connected to the AC cabinet.
9 . The mitigation sleeve of claim 1 , wherein a cross-section of the drip pan extension has a “D” shape.
10 . The mitigation sleeve of claim 1 , wherein a cross-section of the drip pan extension has a circular shape.
11 . The mitigation sleeve of claim 1 , wherein a cross-section of the drip pan extension has an oval shape.
12 . The mitigation sleeve of claim 1 , wherein the flexible sleeve body, the tube clamp interface, the sealing collar, the gusset, the deformable engagement collar, and the drip pan extension are integrated as a unified sleeve.
13 . The mitigation sleeve of claim 1 , wherein at least a portion of the mitigation sleeve is formed from molded rubber.
14 . The mitigation sleeve of claim 1 , wherein the flexible sleeve body is bendable.
15 . The mitigation sleeve of claim 1 , wherein a volume size of the cavity of the flexible sleeve body is configured to accommodate insulation surrounding the tube connected to the tube clamp interface that extends into the cavity of the flexible sleeve body.
16 . The mitigation sleeve of claim 15 , wherein the tube is connected via a braze joint within the cavity to an air conditioning (AC) coil associated with an AC system.
17 . The mitigation sleeve of claim 16 , wherein the tube and AC coil are configured to allow refrigerant to flow through the tube and AC coil, and wherein the cavity of the flexible sleeve body is configured to contain any refrigerant leak from the braze joint.
18 . The mitigation sleeve of claim 1 , wherein the plurality of stiffening ribs of the gusset are configured to provide rigidity to the sealing collar.
19 . The mitigation sleeve of claim 1 , wherein the deformable engagement collar connected to of the sealing collar is configured to seal against an air conditioning (AC) cabinet associated with an AC system, and wherein the deformable engagement collar is configured to deform to enable the sealing collar to seal against the AC cabinet.
20 . A mitigation sleeve, comprising:
a flexible sleeve body comprising a plurality of bellow elements, wherein the flexible sleeve body includes a cavity configured to contain liquid, and wherein the plurality of bellow elements are configured to expand or contract:
a tube clamp interface at a first end of the flexible sleeve body, wherein the tube clamp interface comprises a plurality of sub tube clamp interfaces having a plurality of respective diameters, wherein the plurality of sub tube clamp interfaces are configured to receive a plurality of respective tubes:
a sealing collar at a second end of the flexible sleeve body, wherein the sealing collar further comprises one or more screw holes configured to accommodate one or more screws that can be fixed to an AC cabinet associated with an AC system:
a gusset positioned between the sealing collar and the flexible sleeve body, wherein the gusset comprises a plurality of stiffening ribs;
a deformable engagement collar connected to the sealing collar on a side opposite to the gusset, wherein the deformable engagement collar is configured to seal against the AC cabinet; and
a drip pan extension connected to the sealing collar, wherein the drip pan extension is configured to direct liquid into a drain pan associated with the AC system, and wherein a cross-section of the drip pan extension has a “D” shape.
21 . A mitigation sleeve, comprising:
a flexible sleeve body comprising a plurality of bellow elements, wherein the flexible sleeve body includes a cavity configured to contain liquid, and wherein the plurality of bellow elements are configured to expand or contract;
a tube clamp interface at a first end of the flexible sleeve body, wherein the tube clamp interface comprises a first diameter and is configured to receive a tube, wherein the tube clamp interface comprises a recess on a surface of the tube clamp interface, and wherein the recess is configured to align a hose clamp when the hose clamp is fixed onto the tube clamp interface;
a sealing collar at a second end of the flexible sleeve body;
a gusset positioned between the sealing collar and the flexible sleeve body, wherein the gusset comprises a plurality of stiffening ribs;
a deformable engagement collar connected to the sealing collar on a side opposite to the gusset, wherein the deformable engagement collar is configured to seal against an air conditioning (AC) cabinet associated with an AC system;
a drip pan extension connected to the sealing collar; and
a drip pan extension tongue connected to the drip pan extension, wherein the drip pan extension tongue tilts downwards to direct liquid into a drain pan associated with the AC system when the mitigation sleeve is connected to the AC cabinet.