US 12,330,473 B2
Integrated stacked heat exchangers
Joseph J. Spryshak, Hartland, MI (US)
Assigned to Air International (US) Inc., Auburn Hills, MI (US)
Filed by Air International (US) Inc., Auburn Hills, MI (US)
Filed on Aug. 31, 2022, as Appl. No. 17/900,368.
Prior Publication US 2024/0066943 A1, Feb. 29, 2024
Int. Cl. B60H 1/00 (2006.01); F28D 9/00 (2006.01); F28D 21/00 (2006.01)
CPC B60H 1/00342 (2013.01) [B60H 1/00271 (2013.01); F28D 9/0093 (2013.01); F28D 21/00 (2013.01); B60H 2001/00307 (2013.01); F28D 2021/008 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A vehicle refrigeration system, comprising:
a first chiller including a refrigerant fluid path and a coolant fluid path;
a second chiller including a refrigerant fluid path, a coolant fluid path, a first chiller coolant inlet, a second chiller coolant inlet, a first chiller coolant outlet, and a second chiller coolant outlet; and
a refrigerant control block including a plurality of outer walls providing a plurality of openings in fluid communication with a plurality of control block refrigerant fluid paths, the plurality of openings comprising:
a first chiller control block outlet,
a second chiller control block outlet, wherein the first chiller is configured to receive refrigerant flowing out of the first chiller control block outlet and into the first chiller refrigerant fluid path, the second chiller is configured to receive refrigerant flowing out of the second chiller control block outlet, through the first chiller, and into the second chiller refrigerant fluid path, the second chiller is configured to receive coolant flowing into the second chiller coolant inlet, through the second chiller coolant fluid path, and out of the second chiller coolant outlet, and the first chiller is configured to received coolant flowing into the first chiller coolant inlet, through the second chiller, through the first chiller coolant fluid path, and out of the first chiller coolant outlet.