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JPS56115897A - Centrifugal compressor with inlet guide vanes - Google Patents

Centrifugal compressor with inlet guide vanes

Info

Publication number
JPS56115897A
JPS56115897A JP1655880A JP1655880A JPS56115897A JP S56115897 A JPS56115897 A JP S56115897A JP 1655880 A JP1655880 A JP 1655880A JP 1655880 A JP1655880 A JP 1655880A JP S56115897 A JPS56115897 A JP S56115897A
Authority
JP
Japan
Prior art keywords
compressor
guide vanes
inlet guide
efficiency
inclination angle
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.)
Pending
Application number
JP1655880A
Other languages
Japanese (ja)
Inventor
Katsuyoshi Yamashita
Koichiro Imakire
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP1655880A priority Critical patent/JPS56115897A/en
Publication of JPS56115897A publication Critical patent/JPS56115897A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To increase the efficiency of operation of a compressor by a method wherein the inclination of an inlet guide vanes is changed in accordance with the change of the pressure at the outlet of an air compressor thereby changing the surging line of the compressor.
CONSTITUTION: In a compressor (not shown), there are provided a sensor 5 for detecting the pressure Pd of compressed air at the outlet of the compressor, a controller 6 for detecting a required inclination angle of inlet guide vanes 3, and an actuator 4 for imparting the inlet guide vanes 3 with an inclination angle θ. Here, if the performance characteristics of the controller 6 is so selected that the inclination angle θ of the guide vanes 3 is changed with pressure ratio π, the surging line of the compressor in its low-load operational range can be shifted toward the low flow-rate side, and the efficiency ηC of operation of the compressor in its high-load operational range can be increased up to about 83%, which results in about 3% increase in the efficiency of the compressor.
COPYRIGHT: (C)1981,JPO&Japio
JP1655880A 1980-02-15 1980-02-15 Centrifugal compressor with inlet guide vanes Pending JPS56115897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1655880A JPS56115897A (en) 1980-02-15 1980-02-15 Centrifugal compressor with inlet guide vanes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1655880A JPS56115897A (en) 1980-02-15 1980-02-15 Centrifugal compressor with inlet guide vanes

Publications (1)

Publication Number Publication Date
JPS56115897A true JPS56115897A (en) 1981-09-11

Family

ID=11919601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1655880A Pending JPS56115897A (en) 1980-02-15 1980-02-15 Centrifugal compressor with inlet guide vanes

Country Status (1)

Country Link
JP (1) JPS56115897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429032A3 (en) * 2002-12-11 2004-06-30 Hitachi Industries Co., Ltd. A centrifugal compressor having inlet guide vanes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4734897U (en) * 1971-05-10 1972-12-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4734897U (en) * 1971-05-10 1972-12-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429032A3 (en) * 2002-12-11 2004-06-30 Hitachi Industries Co., Ltd. A centrifugal compressor having inlet guide vanes

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