US 11,982,276 B2
Scroll compressor for refrigerant-oil mixtures with oil return
Philipp Rosenbach, Aachen (DE); Michael Friedl, Pulheim (DE); Dirk Gutberlet, Würselen (DE); and Kadir Dursun, Hürth (DE)
Assigned to HANON SYSTEMS, Daejeon (KR)
Appl. No. 18/003,620
Filed by Hanon Systems, Daejeon (KR)
PCT Filed Nov. 11, 2021, PCT No. PCT/KR2021/016395
§ 371(c)(1), (2) Date Dec. 28, 2022,
PCT Pub. No. WO2022/108232, PCT Pub. Date May 27, 2022.
Claims priority of application No. 10 2020 130 766.7 (DE), filed on Nov. 20, 2020; and application No. 10 2021 121 375.4 (DE), filed on Aug. 17, 2021.
Prior Publication US 2024/0011490 A1, Jan. 11, 2024
Int. Cl. F04C 29/02 (2006.01); F04C 18/02 (2006.01)
CPC F04C 29/026 (2013.01) [F04C 18/0215 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A scroll compressor for a refrigerant-oil mixture with oil return, comprising:
a housing element; and
a fixed scroll, wherein the housing element is connected to the fixed scroll by a seal in such a way that an outlet chamber is formed between the housing element and the fixed scroll, wherein, for oil separation and oil return purposes, an oil separation chamber, which has a high-pressure refrigerant output and an oil collection area, and an oil return channel towards a suction pressure chamber are arranged downstream of the outlet chamber, wherein an outlet chamber drain for draining oil into the oil return channel of the oil separation chamber is formed in a geodetic lower region of the outlet chamber, and wherein the outlet chamber drain is directly connected to the oil return channel of the oil separation chamber.