US 12,215,690 B2
Scroll compressor for generating oil-free compressed air
Christian Busch, Feldkirch (AT)
Assigned to OET GmbH, Lustenau (AT)
Appl. No. 18/266,901
Filed by OET GmbH, Lustenau (AT)
PCT Filed Dec. 17, 2021, PCT No. PCT/EP2021/086441
§ 371(c)(1), (2) Date Jun. 13, 2023,
PCT Pub. No. WO2022/136157, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 102020134469 (DE), filed on Dec. 21, 2020.
Prior Publication US 2024/0102470 A1, Mar. 28, 2024
Int. Cl. F04C 27/00 (2006.01); F04C 18/02 (2006.01)
CPC F04C 27/001 (2013.01) [F04C 18/0215 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A scroll compressor for generating oil-free compressed air comprising:
a drive arranged in a housing and connected with one or more orbiting displacer scrolls, each displacer scroll having a displacer scroll bottom and a displacer scroll wall,
wherein the displacer scroll wall engages into one or more stationary mating scrolls, so that at least one variable compression chamber is formed between a respective one of the one or more orbiting displacer scrolls and a respective one of the one or more stationary mating scrolls,
wherein a seal element is provided between the respective displacer scroll and the housing, and
wherein the seal element is fastened in a respective displacer scroll bottom and seals against a sliding plate fixedly connected with the housing, wherein a scraping element for stripping oil residues from the sliding plate is fastened in each displacer scroll bottom.