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US 2022/0213896 A1Published application
Step seal for refrigerant compressors
AssigneeDanfoss A/S
InventorsJames Wilson, Jin Yan, Lin Xiang Sun, Ruiguo Gao, Brenden Richman
Life of this patent
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Abstract
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a stator; a rotor configured to rotate with respect to the stator; and at least one step seal between the rotor and the stator, wherein the step seal includes a first tooth and a second tooth extending from the rotor toward the stator, wherein a downstream surface of the first tooth and an upstream surface of the second tooth are arranged at an angle relative to one another, wherein the angle is less than 90°.
Claims20
A refrigerant compressor, comprising:
- a stator;
- a rotor configured to rotate with respect to the stator;
- and
- at least one step seal between the rotor and the stator, wherein the step seal comprises a first tooth and a second tooth extending from the rotor toward the stator, wherein a downstream surface of the first tooth and an upstream surface of the second tooth are arranged at an angle relative to one another, wherein the angle is less than 90°.
1 more element
A refrigeration system, comprising:
- a condenser;
- an evaporator;
- an expansion device;
- and
- a compressor, wherein the compressor includes a stator, a rotor configured to rotate with respect to the stator, and at least one step seal between the rotor and the stator, wherein the step seal comprises a first tooth and a second tooth extending from the rotor toward the stator, wherein a downstream surface of the first tooth and an upstream surface of the second tooth are arranged at an angle relative to one another, wherein the angle is less than 90°.
2 more elements
Dependencies are inferred from the claim text.