US 11,885,535 B2
ETXV direct discharge injection compressor
Steven Koester, Toledo, OH (US); Rod Callahan, Novi, MI (US); and Brad Crenshaw, Riverview, MI (US)
Assigned to HANON SYSTEMS, Daejeon (KR)
Filed by Hanon Systems, Daejeon (KR)
Filed on Mar. 16, 2022, as Appl. No. 17/655,007.
Claims priority of provisional application 63/209,729, filed on Jun. 11, 2021.
Prior Publication US 2022/0397316 A1, Dec. 15, 2022
Int. Cl. F25B 31/00 (2006.01); F04C 18/02 (2006.01); F04C 28/24 (2006.01); F04B 49/22 (2006.01)
CPC F25B 31/00 (2013.01) [F04B 49/225 (2013.01); F04C 18/0207 (2013.01); F04C 28/24 (2013.01); F25B 31/008 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A compressor comprising:
a compression space in which a refrigerant is compressed, the compression space including a discharge port and an injection port;
a discharge chamber fluidly coupled to the compression space by the discharge port;
an injection chamber fluidly coupled to the compression space by the injection port; and
a discharge recirculation pathway selectively providing fluid communication between the discharge chamber and the injection chamber, wherein the discharge recirculation pathway directly connects the discharge chamber to the injection chamber.