초록 ▼

Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and multi-slab heat exchangers are provided that include fluid connections for transmitting fluid between groups of tubes. The fluid connections may include generally tubular members fluidly connected to manifold sections. Th

Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and multi-slab heat exchangers are provided that include fluid connections for transmitting fluid between groups of tubes. The fluid connections may include generally tubular members fluidly connected to manifold sections. The fluid connections also may include partitioned manifolds containing tubes of different heights. Multichannel tubes are also provided that include a bent section configured to locate a flow path near a leading edge of a tube within one section and near a trailing edge of the tube within another section.

대표청구항 ▼

1. A multi-slab heat exchanger comprising: a first slab of multichannel tubes subdivided into a first group of tubes and a second group of tubes;a second slab of multichannel tubes subdivided into a third group of tubes and a fourth group of tubes; anda manifold in fluid communication with the first

1. A multi-slab heat exchanger comprising: a first slab of multichannel tubes subdivided into a first group of tubes and a second group of tubes;a second slab of multichannel tubes subdivided into a third group of tubes and a fourth group of tubes; anda manifold in fluid communication with the first slab and the second slab and comprising a divider configured to subdivide the manifold into a first volume and a second volume, wherein the first group of tubes and the fourth group of tubes extend into the manifold through the first volume and the divider to terminate within the second volume, and wherein the second group of tubes and the third group of tubes extend into the manifold to terminate within the first volume. 2. The heat exchanger of claim 1, wherein the third group of tubes is aligned generally with the first group of tubes and the fourth group of tubes is aligned generally with the second group of tubes. 3. The heat exchanger of claim 1, wherein the third group of tubes is aligned generally with the second group of tubes and the fourth group of tubes is aligned generally with the first group of tubes. 4. The heat exchanger of claim 1, wherein the divider is disposed perpendicular to the multichannel tubes of the first slab. 5. The heat exchanger of claim 1, wherein the first group of tubes and the fourth group of tubes extend into the manifold at a first distance and wherein the second group of tubes and the third group of tubes extend into the manifold at a second distance smaller than the first distance. 6. The heat exchanger of claim 1, wherein the multi-slab heat exchanger is configured to direct a fluid from the first group of tubes through the second volume to the fourth group of tubes. 7. The heat exchanger of claim 1, wherein the multi-slab heat exchanger is configured to direct a fluid from the second group of tubes through the first volume to the third group of tubes. 8. The heat exchanger of claim 1, wherein the first and second slabs are separated by a gap to promote distribution of an external fluid flowing through the first and second slabs in a direction generally transverse to the first and second slabs. 9. A heating, ventilating, air conditioning or refrigeration system comprising: a first multi-slab heat exchanger comprising a first inner slab of multichannel tubes and a first outer slab of multichannel tubes generally adjacent to the first inner slab;a second multi-slab heat exchanger disposed non-adjacent and non-parallel to the second multi-slab heat exchanger and comprising a second inner slab of multichannel tubes and a second outer slab of multichannel tubes generally adjacent to the second inner slab; anda fluid connection configured to transmit fluid from the first inner slab to the second outer slab. 10. The heating, ventilating, air conditioning or refrigeration system of claim 9, wherein the first multi-slab heat exchanger and the second multi-slab heat exchanger are disposed in a V-shaped configuration, wherein the first inner slab is disposed downstream of the first outer slab with respect to an air flow, and wherein the second inner slab is disposed downstream of the second outer slab with respect to the air flow. 11. The heating, ventilating, air conditioning or refrigeration system of claim 9, wherein the fluid connection comprises a generally tubular member configured to fluidly connect the first inner slab to the second outer slab. 12. The heating, ventilating, air conditioning or refrigeration system of claim 9, wherein the fluid connection is configured to fluidly connect a first group of tubes disposed in the first inner slab to a second group of tubes disposed in the second outer slab, and wherein the first group of tubes are disposed in a different location than the second group of tubes with respect to an air flow. 13. The heating, ventilating, air conditioning or refrigeration system of claim 9, wherein the first inner slab is subdivided into a first group of tubes and a second group of tubes, wherein the second outer slab is subdivided into a third group of tubes generally aligned with the first group of tubes with respect to an air flow and a fourth group of tubes generally aligned with the second group of tubes with respect to the air flow, and wherein the fluid connection is configured to fluidly connect the first group of tubes to the fourth group of tubes. 14. The heating, ventilating, air conditioning or refrigeration system of claim 9, comprising an additional fluid connection configured to transmit fluid from the first outer slab to the second inner slab. 15. A heating, ventilating, air conditioning or refrigeration system comprising: a first multi-slab heat exchanger comprising: a first slab of multichannel tubes subdivided into a first group of tubes in a first location and a second group of tubes in a second location;a second slab of multichannel tubes generally adjacent to the first slab, and subdivided into a third group of tubes aligned generally with the first group of tubes and a fourth group of tubes aligned generally with the second group of tubes; anda second multi-slab heat exchanger comprising: a third slab of multichannel tubes subdivided into a fifth group of tubes in a third location corresponding to the first location with respect to an air flow and a sixth group of tubes in a fourth location corresponding to the second location with respect to the air flow;a fourth slab of multichannel tubes generally adjacent to the first slab, and subdivided into a seventh group of tubes aligned generally with the fifth group of tubes and an eighth group of tubes aligned generally with the sixth group of tubes; anda first fluid connection configured to transmit fluid from the first group of tubes to the sixth group of tubes;wherein the first multi-slab heat exchanger is non-adjacent and non-parallel to the second multi-slab heat exchanger. 16. The heating, ventilating, air conditioning or refrigeration system of claim 15, wherein the first multi-slab heat exchanger and the second multi-slab heat exchanger are disposed in a V-shaped configuration. 17. The heating, ventilating, air conditioning or refrigeration system of claim 15, wherein the fluid connection comprises a generally tubular member configured to fluidly connect manifolds of the first and second multi-slab heat exchangers. 18. The heating, ventilating, air conditioning or refrigeration system of claim 15, comprising a second fluid connection configured to transmit fluid from the second group of tubes to the seventh group of tubes. 19. The heating, ventilating, air conditioning or refrigeration system of claim 18, comprising a third fluid connection configured to transmit fluid from the third group of tubes to the eighth group of tubes and a fourth fluid connection configured to transmit fluid from the fourth group of tubes to the fifth group of tubes. 20. The heating, ventilating, air conditioning or refrigeration system of claim 15, comprising a second fluid connection configured to transmit fluid from the third group of tubes to the eighth group of tubes.