公开(公告)号：US20220213896A1

公开(公告)日：2022-07-07

申请号：US17546161

申请日：2021-12-09

Applicant: Danfoss A/S

Inventor： James Wilson ,  Jin Yan ,  Lin Xiang Sun ,  Ruiguo Gao ,  Brenden Richman

IPC: F04D29/16 ,  F04D17/10

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°.

公开(公告)号：US20230279865A1

公开(公告)日：2023-09-07

申请号：US18197782

申请日：2023-05-16

Applicant: Danfoss A/S

Inventor： James Wilson ,  Jin Yan ,  Lin Xiang Sun ,  Ruiguo Gao ,  Brenden Richman

IPC: F04D29/16 ,  F04D17/10 ,  F01D5/18 ,  F01D5/28 ,  F16J15/447 ,  F04D29/10 ,  F01D11/02

CPC classification number: F04D29/162 ,  F04D17/10 ,  F01D5/186 ,  F01D5/28 ,  F16J15/4472 ,  F05D2240/55 ,  F01D5/189 ,  F04D29/102 ,  F01D11/02

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°.

公开(公告)号：US12146501B2

公开(公告)日：2024-11-19

申请号：US18197782

申请日：2023-05-16

Applicant: Danfoss A/S

Inventor： James Wilson ,  Jin Yan ,  Lin Xiang Sun ,  Ruiguo Gao ,  Brenden Richman

IPC: F01D11/02 ,  F04D17/10 ,  F04D29/16 ,  F01D5/18 ,  F01D5/28 ,  F04D29/10 ,  F16J15/447

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°.

公开(公告)号：US11692557B2

公开(公告)日：2023-07-04

申请号：US17546161

申请日：2021-12-09

Applicant: Danfoss A/S

Inventor： James Wilson ,  Jin Yan ,  Lin Xiang Sun ,  Ruiguo Gao ,  Brenden Richman

IPC: F01D11/02 ,  F04D29/16 ,  F04D17/10 ,  F01D5/18 ,  F01D5/28 ,  F04D29/10 ,  F16J15/447

CPC classification number: F04D29/162 ,  F04D17/10 ,  F01D5/186 ,  F01D5/189 ,  F01D5/28 ,  F01D11/02 ,  F04D29/102 ,  F05D2240/55 ,  F16J15/4472

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°.