MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
대리인 / 주소
Birch, Stewart, Kolasch & Birch, LLP
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
A centrifugal fluid machine includes a rotor, a low pressure compression unit provided on one side in the axial direction of the rotor, a high pressure compression unit provided on the other side in the axial direction of the rotor, a partition wall 13 that separates the low and high pressure compre
A centrifugal fluid machine includes a rotor, a low pressure compression unit provided on one side in the axial direction of the rotor, a high pressure compression unit provided on the other side in the axial direction of the rotor, a partition wall 13 that separates the low and high pressure compression units, and a high pressure-side discharge passage 54 formed on the side of the high pressure compression unit of the partition wall 13, extending in the radial direction of the rotor, and provided along the partition wall 13, wherein the partition wall 13 has a wall body 71, a passage deformation suppression member 72 that is provided between the wall body 71 and the high pressure-side discharge passage 54 and can deform the high pressure-side discharge passage 54, and an biasing mechanism 73 that is provided between the wall body 71 and the passage deformation suppression member 72.
대표청구항▼
1. A centrifugal fluid machine comprising: a rotor;a low pressure fluid operation unit provided on one side in an axial direction of the rotor;a high pressure fluid operation unit provided on the other side in the axial direction of the rotor;a partition wall that separates the low pressure fluid op
1. A centrifugal fluid machine comprising: a rotor;a low pressure fluid operation unit provided on one side in an axial direction of the rotor;a high pressure fluid operation unit provided on the other side in the axial direction of the rotor;a partition wall that separates the low pressure fluid operation unit from the high pressure fluid operation unit; anda high pressure-side discharge passage formed on the side of the high pressure fluid operation unit of the partition wall, extending in a radial direction of the rotor, and provided along the partition wall,wherein the partition wall comprises:a wall body;a passage deformation suppression member provided between the wall body and the high pressure-side discharge passage to suppress deformation of the high pressure-side discharge passage; anda biasing means provided between the wall body and the passage deformation suppression member and configured to bias the passage deformation suppression member toward the high pressure-side discharge passage,wherein the high pressure fluid operation unit includes a high pressure-side impeller that supplies a compressed fluid toward the high pressure-side discharge passage, andwherein the biasing means has an inlet passage that flows the compressed fluid from the high pressure-side discharge passage which is disposed downstream of the high pressure-side impeller in a flow direction of the compressed fluid, into a gap between the wall body and the passage deformation suppression member, wherein the centrifugal fluid machine further comprises: a rotating shaft passage provided along an outer peripheral surface of the rotor; anda blowing passage that allows the rotating shaft passage to communicate with the gap between the wall body and the passage deformation suppression member,wherein the blowing passage is provided to blow the compressed fluid flowing into the gap toward the rotating shaft passage, and to allow a blowing direction of the compressed fluid to be opposite to a rotating direction of the rotor. 2. The centrifugal fluid machine according to claim 1, wherein the passage deformation suppression member is disposed outside the high pressure-side impeller in the radial direction. 3. A centrifugal fluid machine comprising: a rotor;a low pressure fluid operation unit provided on one side in an axial direction of the rotor;a high pressure fluid operation unit provided on the other side in the axial direction of the rotor;a partition wall that separates the low pressure fluid operation unit from the high pressure fluid operation unit; anda high pressure-side discharge passage formed on the side of the high pressure fluid operation unit of the partition wall, extending in a radial direction of the rotor, and provided along the partition wall,wherein the partition wall comprises:a wall body;a passage deformation suppression member provided between the wall body and the high pressure-side discharge passage to suppress deformation of the high pressure-side discharge passage; anda biasing means provided between the wall body and the passage deformation suppression member and configured to bias the passage deformation suppression member toward the high pressure-side discharge passage,wherein the centrifugal fluid machine further comprises a diffuser provided in the high pressure-side discharge passage,wherein the high pressure-side discharge passage is formed from the passage deformation suppression member and a passage forming member facing the passage deformation suppression member, andboth ends of the diffuser are fixed to the passage deformation suppression member and the passage forming member, respectively,wherein the high pressure fluid operation unit includes a high pressure-side impeller that supplies a compressed fluid toward the high pressure-side discharge passage, andwherein the biasing means has an inlet passage that flows the compressed fluid from the high pressure-side discharge passage which is disposed downstream of the high pressure-side impeller in a flow direction of the compressed fluid, into a gap between the wall body and the passage deformation suppression member,wherein the centrifugal fluid machine further comprises:a rotating shaft passage provided along an outer peripheral surface of the rotor; anda blowing passage that allows the rotating shaft passage to communicate with the gap between the wall body and the passage deformation suppression member,wherein the blowing passage is provided to blow the compressed fluid flowing into the gap toward the rotating shaft passage, and to allow a blowing direction of the compressed fluid to be opposite to a rotating direction of the rotor.
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이 특허에 인용된 특허 (2)
Jacobi Helmuth O. (Olean NY), Diffuser construction for a centrifugal compressor.
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