US 11,965,506 B2
Spiral compressor
Lukas Loehmer, Duesseldorf (DE); Philipp Barth, Wetter (DE); and Jan Berwanger, Stolberg (DE)
Assigned to PIERBURG GMBH, Neuss (DE)
Appl. No. 17/791,217
Filed by PIERBURG GMBH, Neuss (DE)
PCT Filed Jan. 9, 2020, PCT No. PCT/EP2020/050435
§ 371(c)(1), (2) Date Jul. 7, 2022,
PCT Pub. No. WO2021/139890, PCT Pub. Date Jul. 15, 2021.
Prior Publication US 2023/0349379 A1, Nov. 2, 2023
Int. Cl. F04C 29/02 (2006.01); F04C 18/02 (2006.01); F04C 23/02 (2006.01)
CPC F04C 18/0215 (2013.01) [F04C 23/02 (2013.01); F04C 29/026 (2013.01); F04C 2240/30 (2013.01); F04C 2240/40 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A scroll compressor comprising:
a compressor housing;
a high-pressure chamber;
a low-pressure chamber;
an oil return channel comprising an oil return throttle arranged therein, the oil return channel being configured to fluidically connect the high-pressure chamber with the low-pressure chamber;
a driven eccentric unit;
a fixed scroll;
an orbiting displacement scroll arranged on the driven eccentric unit which interacts with the fixed scroll;
a sliding disk arranged between the orbiting displacement scroll and the compressor housing;
a back-pressure chamber arranged adjacent to the orbiting displacement scroll; and
a gas connecting channel comprising a gas connecting throttle arranged therein, the gas connecting channel being configured to fluidically connect the back-pressure chamber with the high-pressure chamber,
wherein
at least one of the oil return channel and the gas connecting channel extends through the sliding disk, and
the sliding disk comprises at least one of the oil return throttle and the gas connecting throttle.