DE2410469A1 - IMPELLER FOR RING COMPRESSOR - Google Patents

IMPELLER FOR RING COMPRESSOR

Info

Publication number
DE2410469A1
DE2410469A1 DE2410469A DE2410469A DE2410469A1 DE 2410469 A1 DE2410469 A1 DE 2410469A1 DE 2410469 A DE2410469 A DE 2410469A DE 2410469 A DE2410469 A DE 2410469A DE 2410469 A1 DE2410469 A1 DE 2410469A1
Authority
DE
Germany
Prior art keywords
impeller
volume
blade
ring compressor
vane
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
DE2410469A
Other languages
German (de)
Inventor
Siegfried Schoenwald
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE2410469A priority Critical patent/DE2410469A1/en
Priority to NL7500161A priority patent/NL7500161A/en
Priority to FR7503949A priority patent/FR2263400B1/fr
Priority to GB5417/75A priority patent/GB1496383A/en
Priority to CH247575A priority patent/CH580232A5/xx
Priority to BE153871A priority patent/BE826134A/en
Priority to IT20778/75A priority patent/IT1033301B/en
Priority to BR1238/75A priority patent/BR7501238A/en
Priority to SE7502400A priority patent/SE396798B/en
Priority to JP50026920A priority patent/JPS50121814A/ja
Priority to AU78815/75A priority patent/AU7881575A/en
Publication of DE2410469A1 publication Critical patent/DE2410469A1/en
Pending legal-status Critical Current

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
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

Die Erfindung betrifft einen Ringverdichter. Wird mit einem solchen Verdichter eine Verdichtung von Gasen auf Druckverhältnisse 2*1,2 erzielt, dann wirkt sich die Kompressibilität des Gases nachteilig aus. Das in die Schaufelzellen hinein verdichtete Gas wird über den zwischen der Ein- und Austrittsöffnung des Seitenkanals befindlichen Unterbrecher geschleppt. Es expandiert dann auf der Saugseite in den Seitenkanal und verringert dadurch den angesaugten Nutzförderstrom. Dadurch wiederum werden das erreichbare Druckverhältnis und der erreichbare Wirkungsgrad stark eingeschränkt.The invention relates to a ring compressor. Such a compressor is used to compress gases to pressure ratios 2 * 1.2 achieved, then the compressibility has an effect of the gas is detrimental. The gas compressed into the vane cells is dragged over the interrupter located between the inlet and outlet openings of the side channel. It then expands into the side channel on the suction side, thereby reducing the useful flow that is sucked in. Through this in turn, the achievable pressure ratio and the achievable efficiency are severely restricted.

Die Erfindung stellt sich die Aufgabe, die vorgenannten Einschränkungen möglichst weitgehend herabzusetzen und geht dabei von der Erkenntnis aus, daß die Verschlechterung des Wirkungsgrades und des Druckverhältnisses um so geringer ist, je kleiner das über den Unterbrecher geschleppte Gasvolumen ist. Dies wiederum bedeutet, daß das Volumen der Schaufelzellen möglichst klein gehalten wird, was durch eine Vergrößerung der Schaufelstärke geschehen kann. Die Erfindung schlägt deshalb eine derarte Abmessung der Schaufelstärke vor, daß das Verhältnis von Schaufelzellenvolumen zu Schaufelzellen - plus Schaufelvolumen gleich oder kleiner als 0,72 ist. Dieses als bezeichnete Verhältnis, nämlichThe invention has the task of eliminating the aforementioned restrictions as much as possible and is based on the knowledge that the deterioration in efficiency and the pressure ratio is lower, the smaller the volume of gas dragged over the interrupter. This in turn means that the volume of the vane cells is kept as small as possible, which is achieved by enlarging the blade thickness can happen. The invention therefore proposes such a dimension of the blade thickness that the Ratio of vane cell volume to vane cells - plus vane volume is equal to or less than 0.72. This as designated ratio, namely

spielt bei der Berechnung des Laufrades eine Rolle. Da man bisher der Ansicht war, daß möglichst dünne Schaufeln einen hohen Druck ergeben, wurden^f-Werte von 0,75 und darüber vorgesehen. Demgegenüber soll gemäß der Erfindung der^-Wert gleich oder kleiner als 0,72 sein, wodurch sich ein kleineres Schaufelzellenvolumen, erzielt durch eine größere Schaufelstärke, ergibt. Dies wiederum bedeutet, daß das über den Unterbrecher geschleppte Gasvolumen wesentlich geringer ist alsplays a role in the calculation of the impeller. Since it was previously of the opinion that the thinnest possible blades made one high pressure, ^ f values of 0.75 and above were provided. In contrast, according to the invention, the ^ value should be equal to or less than 0.72, which results in a smaller Blade cell volume, achieved by a greater blade thickness, results. This in turn means that this is via the breaker dragged gas volume is much less than

c ηc η

7ΓΑ 74/30457ΓΑ 74/3045

bei den bisher üblichen Ringverdichtern. Eshat sich gezeigt, daß trotz des geringen 6 -Wertes kein merkliches Nachlassen der Druckerzeugung erfolgt. Mit der erfindungsgemäßen Maßnahme werden also der Wirkungsgrad und das erreichbare Druckverhältnis bei Ringverdichtern mit hoher Verdichtung weniger stark eingeschränkt als bei einer Laufradausführung mit einem C-Wert von 0,75 und darüber.with the previously common ring compressors. It has been shown that, despite the low 6 value, there is no noticeable decrease the pressure generation takes place. With the measure according to the invention, the efficiency and the achievable pressure ratio are thus determined less restricted for ring compressors with high compression than for an impeller version with one C value of 0.75 and above.

Die Zeichnung zeigt in rein schematischer Darstellung ein Laufrad 1 mit den Schaufeln 2. Mit V_ ist das Schaufelvolumen und mit V2 das Schaufelzellenvolumen bezeichnet.The drawing shows, in a purely schematic representation, an impeller 1 with the blades 2. V_ denotes the vane volume and V 2 denotes the vane cell volume.

1 Figur
1 Anspruch1 figure
1 claim

- 3 509838/0364 - 3 509838/0364

Claims (1)

VW/3045VW / 3045 PatentanspruchClaim Laufrad für Ringverdichter, gekennzeichnet durch eine derartige Abmessung der Schaufelstärke, daß das Verhältnis (L ) von Schaufelzellenvolumen (Vz) zu Schaufelzellen (V2) plus Schaufelvolumen (Vs) gleich oder Hßiner als 0,72 ist.Impeller for ring compressors, characterized by such a dimension of the blade thickness that the ratio ( L ) of blade cell volume (V z ) to blade cells (V 2 ) plus blade volume (V s ) is equal to or less than 0.72. 509838/0364509838/0364 LeerseiteBlank page
DE2410469A 1974-03-05 1974-03-05 IMPELLER FOR RING COMPRESSOR Pending DE2410469A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE2410469A DE2410469A1 (en) 1974-03-05 1974-03-05 IMPELLER FOR RING COMPRESSOR
NL7500161A NL7500161A (en) 1974-03-05 1975-01-07 WHEEL FOR RING COMPACTOR.
FR7503949A FR2263400B1 (en) 1974-03-05 1975-02-07
GB5417/75A GB1496383A (en) 1974-03-05 1975-02-07 Impeller for a lateral channel compressor
CH247575A CH580232A5 (en) 1974-03-05 1975-02-27
BE153871A BE826134A (en) 1974-03-05 1975-02-28 BLADDER WHEEL FOR AN ANNULAR COMPRESSOR
IT20778/75A IT1033301B (en) 1974-03-05 1975-02-28 IMPELLER FOR RING COMPRESSOR
BR1238/75A BR7501238A (en) 1974-03-05 1975-03-03 PERFECTED ROTOR FOR RING COMPRESSOR
SE7502400A SE396798B (en) 1974-03-05 1975-03-04 RUNNING WHEEL FOR RING COMPRESSOR
JP50026920A JPS50121814A (en) 1974-03-05 1975-03-04
AU78815/75A AU7881575A (en) 1974-03-05 1975-03-05 Rotor for ring compressors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2410469A DE2410469A1 (en) 1974-03-05 1974-03-05 IMPELLER FOR RING COMPRESSOR

Publications (1)

Publication Number Publication Date
DE2410469A1 true DE2410469A1 (en) 1975-09-18

Family

ID=5909140

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2410469A Pending DE2410469A1 (en) 1974-03-05 1974-03-05 IMPELLER FOR RING COMPRESSOR

Country Status (11)

Country Link
JP (1) JPS50121814A (en)
AU (1) AU7881575A (en)
BE (1) BE826134A (en)
BR (1) BR7501238A (en)
CH (1) CH580232A5 (en)
DE (1) DE2410469A1 (en)
FR (1) FR2263400B1 (en)
GB (1) GB1496383A (en)
IT (1) IT1033301B (en)
NL (1) NL7500161A (en)
SE (1) SE396798B (en)

Also Published As

Publication number Publication date
BE826134A (en) 1975-06-16
JPS50121814A (en) 1975-09-25
BR7501238A (en) 1975-12-02
FR2263400B1 (en) 1978-10-06
IT1033301B (en) 1979-07-10
CH580232A5 (en) 1976-09-30
NL7500161A (en) 1975-09-09
SE396798B (en) 1977-10-03
FR2263400A1 (en) 1975-10-03
SE7502400L (en) 1975-09-08
AU7881575A (en) 1976-09-09
GB1496383A (en) 1977-12-30

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