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JPS6483895A - Diffuser for centrifugal type hydraulic machine - Google Patents

Diffuser for centrifugal type hydraulic machine

Info

Publication number
JPS6483895A
JPS6483895A JP24073787A JP24073787A JPS6483895A JP S6483895 A JPS6483895 A JP S6483895A JP 24073787 A JP24073787 A JP 24073787A JP 24073787 A JP24073787 A JP 24073787A JP S6483895 A JPS6483895 A JP S6483895A
Authority
JP
Japan
Prior art keywords
blade
diffuser
intermediate blade
inlet
stator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP24073787A
Other languages
Japanese (ja)
Other versions
JPH0615879B2 (en
Inventor
Haruki Sakai
Yoshiaki Abe
Koji Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62240737A priority Critical patent/JPH0615879B2/en
Priority to EP88113797A priority patent/EP0305879B1/en
Priority to DE88113797T priority patent/DE3882463T2/en
Priority to US07/238,176 priority patent/US4877370A/en
Publication of JPS6483895A publication Critical patent/JPS6483895A/en
Publication of JPH0615879B2 publication Critical patent/JPH0615879B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE:To expand the working flow range of a diffuser without entailing any drop in its performance by installing such an inlet intermediate blade that is lower in height than a stator blade, in the diffuser provided with plural stator blades. CONSTITUTION:A centrifugal compressor in provided with an impeller 1 and its turning shaft 2, a casing 3, a suction pipe 4, a diffuser part 5 and a scroll casing 6. In this constitution aforesaid, each of casings 5A, 5B at both blade and core plate sides, plural stator blades 7 to be arranged between these casings, and an intermediate blade 8 to be attached to the blade side casing 5A so as to be projected to a flow passage between respective stator blades 7 are all installed in the diffuser part 5. This intermediate blade 8 consists of an inlet intermediate blade 8A smaller in length and height than the stator blade 7, a straightening blade 8B lower than this inlet intermediate blade 8A, and an outlet intermediate blade 8C with the same dimensions as the inlet intermediate blade 8A.
JP62240737A 1987-09-01 1987-09-28 Diff user of centrifugal fluid machine Expired - Fee Related JPH0615879B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62240737A JPH0615879B2 (en) 1987-09-28 1987-09-28 Diff user of centrifugal fluid machine
EP88113797A EP0305879B1 (en) 1987-09-01 1988-08-24 Diffuser for centrifugal compressor
DE88113797T DE3882463T2 (en) 1987-09-01 1988-08-24 Diffuser for centrifugal compressors.
US07/238,176 US4877370A (en) 1987-09-01 1988-08-30 Diffuser for centrifugal compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62240737A JPH0615879B2 (en) 1987-09-28 1987-09-28 Diff user of centrifugal fluid machine

Publications (2)

Publication Number Publication Date
JPS6483895A true JPS6483895A (en) 1989-03-29
JPH0615879B2 JPH0615879B2 (en) 1994-03-02

Family

ID=17063951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62240737A Expired - Fee Related JPH0615879B2 (en) 1987-09-01 1987-09-28 Diff user of centrifugal fluid machine

Country Status (1)

Country Link
JP (1) JPH0615879B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443362A (en) * 1994-03-16 1995-08-22 The Hoover Company Air turbine
CN103174678A (en) * 2013-03-26 2013-06-26 哈尔滨工程大学 Centrifugal compressor air guiding recycling structure with multiple channels
KR20200034492A (en) * 2018-09-21 2020-03-31 한화파워시스템 주식회사 Shroud impeller assembly
KR102239814B1 (en) * 2020-12-22 2021-04-13 박배홍 Turbo Compressor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756698A (en) * 1980-09-19 1982-04-05 Hitachi Ltd Diffuser for centrifugal compressor
JPS5848799A (en) * 1982-09-13 1983-03-22 Hitachi Ltd Diffuser equipped with vane

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756698A (en) * 1980-09-19 1982-04-05 Hitachi Ltd Diffuser for centrifugal compressor
JPS5848799A (en) * 1982-09-13 1983-03-22 Hitachi Ltd Diffuser equipped with vane

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443362A (en) * 1994-03-16 1995-08-22 The Hoover Company Air turbine
CN103174678A (en) * 2013-03-26 2013-06-26 哈尔滨工程大学 Centrifugal compressor air guiding recycling structure with multiple channels
KR20200034492A (en) * 2018-09-21 2020-03-31 한화파워시스템 주식회사 Shroud impeller assembly
KR102239814B1 (en) * 2020-12-22 2021-04-13 박배홍 Turbo Compressor

Also Published As

Publication number Publication date
JPH0615879B2 (en) 1994-03-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees