JPS5868000U - centrifugal compressor - Google Patents
centrifugal compressorInfo
- Publication number
- JPS5868000U JPS5868000U JP1981163012U JP16301281U JPS5868000U JP S5868000 U JPS5868000 U JP S5868000U JP 1981163012 U JP1981163012 U JP 1981163012U JP 16301281 U JP16301281 U JP 16301281U JP S5868000 U JPS5868000 U JP S5868000U
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal compressor
- impeller
- groove
- casing
- swirl chamber
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は同じ径のインペラに対するインペラケーシング
と渦巻室との関係を示し、ａは従来の、ｂは本考案の、
Ｃはａ図ＡＡ矢視の何れも遠心圧縮機の概念を示す断面
図、第２図は本考案における遠心圧縮機のインペラケー
シングに渦巻室を直接に接続し、その接続線に近（かつ
これに沿って渦巻室壁内面に溝を設け、ａ図はこの溝を
インペラの吸込側に孔で、ｂ図はインペラシュラウド側
板とケーシングとの孔で、Ｃ図はインペラと渦巻室の間
の短いディフューザ部の孔でつないだ何れも境界吸込部
の断面の形状、第３図は境界吸込効果を示す説明図で、
ａ図は従来の型のディフューザ部と渦巻室との接続線に
おける流線の形状、ｂ図は本考案におけるインペラケー
シングと渦巻室との接続線における流線の形状を示す。
１・・・インペラ、２・・・インペラケーシング、３・
・・従来のインペラケーシングと渦巻室とをつなぐディ
フューザ部、３′・・・本考案による円錐形ディフュー
ザ部、３“・・・インペラと渦巻室の間の短いディフュ
ーザ部、４． ４’・・・渦巻室、４′ａ・・・インペ
ラケーシングと渦巻室との接続線、５・・・吸込溝、５
ａ・・・吸込溝とインペラの吸込側とをつなぐ孔、５ｂ
・・・インペラシュラウド側板とケーシングとの間の空
間の孔、５Ｃ・・・吸込溝と短いディフューザ部間の孔
、Ｕ、 Ｕ’・・・接続線における流線。Figure 1 shows the relationship between the impeller casing and the swirl chamber for impellers of the same diameter, where a is the conventional one, b is the one of the present invention,
C is a cross-sectional view showing the concept of a centrifugal compressor in the direction of arrow AA in Figure a, and Figure 2 is a cross-sectional view showing the concept of a centrifugal compressor in which the volute chamber is directly connected to the impeller casing of the centrifugal compressor in the present invention, and it is close to the connection line (and this Figure A shows this groove as a hole on the suction side of the impeller, Figure B shows a hole in the impeller shroud side plate and casing, and Figure C shows a short hole between the impeller and the swirl chamber. Figure 3 is an explanatory diagram showing the cross-sectional shape of the boundary suction part connected by the hole in the diffuser part, and the boundary suction effect.
Figure a shows the shape of streamlines at the connection line between the conventional diffuser section and the swirl chamber, and Figure b shows the shape of the streamlines at the connection line between the impeller casing and the swirl chamber in the present invention. 1... Impeller, 2... Impeller casing, 3...
... A diffuser section connecting the conventional impeller casing and the swirl chamber, 3'... A conical diffuser section according to the present invention, 3"... A short diffuser section between the impeller and the swirl chamber, 4. 4'...・Swirl chamber, 4'a... Connection line between the impeller casing and the swirl chamber, 5... Suction groove, 5
a... Hole connecting the suction groove and the suction side of the impeller, 5b
... Hole in the space between the impeller shroud side plate and the casing, 5C... Hole between the suction groove and the short diffuser section, U, U'... Streamline in the connection line.
Claims (1)
し、その接続線に近くかつこれに沿って渦巻室壁内面に
溝を設け、この溝をインペラの吸込側につないだ遠心圧
縮機。A centrifugal compressor in which a volute chamber is directly connected to the impeller casing of the centrifugal compressor, a groove is provided on the inner surface of the volute chamber wall near and along the connection line, and this groove is connected to the suction side of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981163012U JPS5868000U (en) | 1981-10-30 | 1981-10-30 | centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981163012U JPS5868000U (en) | 1981-10-30 | 1981-10-30 | centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5868000U true JPS5868000U (en) | 1983-05-09 |
Family
ID=29955315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981163012U Pending JPS5868000U (en) | 1981-10-30 | 1981-10-30 | centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5868000U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01227900A (en) * | 1988-03-08 | 1989-09-12 | Hitachi Ltd | Method and device for preventing surging in centrifugal compressor |
| WO2004011811A1 (en) * | 2002-07-25 | 2004-02-05 | Yonehara Giken Co., Ltd. | Mix-in structure for gas or the like in pressurization centrifugal pump |
| JP2006152972A (en) * | 2004-12-01 | 2006-06-15 | Toyota Industries Corp | Centrifugal compressor |
| JP2008309029A (en) * | 2007-06-13 | 2008-12-25 | Ihi Corp | Centrifugal compressor |
| WO2021124466A1 (en) * | 2019-12-17 | 2021-06-24 | 三菱重工エンジン＆ターボチャージャ株式会社 | Compressor and turbocharger equipped with compressor |
-
1981
- 1981-10-30 JP JP1981163012U patent/JPS5868000U/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01227900A (en) * | 1988-03-08 | 1989-09-12 | Hitachi Ltd | Method and device for preventing surging in centrifugal compressor |
| WO2004011811A1 (en) * | 2002-07-25 | 2004-02-05 | Yonehara Giken Co., Ltd. | Mix-in structure for gas or the like in pressurization centrifugal pump |
| JP2006152972A (en) * | 2004-12-01 | 2006-06-15 | Toyota Industries Corp | Centrifugal compressor |
| JP4655603B2 (en) * | 2004-12-01 | 2011-03-23 | 株式会社豊田自動織機 | Centrifugal compressor |
| JP2008309029A (en) * | 2007-06-13 | 2008-12-25 | Ihi Corp | Centrifugal compressor |
| WO2021124466A1 (en) * | 2019-12-17 | 2021-06-24 | 三菱重工エンジン＆ターボチャージャ株式会社 | Compressor and turbocharger equipped with compressor |
| JPWO2021124466A1 (en) * | 2019-12-17 | 2021-06-24 | ||
| US11761458B2 (en) | 2019-12-17 | 2023-09-19 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Compressor and turbocharger including compressor |
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