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US 2020/0400160 A1Published application
Turbo compressor
AssigneeLG Electronics Inc.
InventorsHyojo BAE, Junchul OH, Seheon CHOI
Life of this patent
Estimating the term…
Abstract
Provided is a turbo compressor. The turbo compressor includes a driving shaft, a first impeller, a second impeller, a first shroud, a second shroud, a first-stage outflow passage, and a second-stage outflow passage. Also, the turbo compressor includes a gap adjustment passage that is branched from at least one of the first-stage outflow passage or the second-stage outflow passage to extend to the first shroud.
Claims20
A turbo compressor comprising:
- a driving shaft;
- a first impeller coupled to a first end of the driving shaft;
- a second impeller coupled to a second end of the driving shaft;
- a first shroud that defines a first compression space accommodating the first impeller;
- a second shroud that defines a second compression space accommodating the second impeller;
- a first-stage outflow passage configured to guide refrigerant discharged from the first impeller;
- a second-stage outflow passage configured to guide refrigerant discharged from the second impeller;
- and
- a gap adjustment passage that is branched from at least one of the first-stage outflow passage or the second-stage outflow passage and extends to the first shroud.
6 more elements
A turbo compressor comprising:
- a first impeller;
- a first shroud that accommodates the first impeller;
- a second impeller configured to suction refrigerant discharged from the first impeller;
- a gap adjustment passage configured to supply, to the first shroud, a portion of refrigerant discharged from the second impeller;
- and
- a gap adjustment member coupled to the first shroud,
- wherein the first shroud is configured to:
- move toward the first impeller based on refrigerant being supplied to the first shroud through the gap adjustment passage, and
- move away from the first impeller by the gap adjustment member.
6 more elements
Dependencies are inferred from the claim text.