NL7800506A - Stroommeter met positieve verplaatsing. - Google Patents

Stroommeter met positieve verplaatsing.

Info

Publication number
NL7800506A
NL7800506A NL7800506A NL7800506A NL7800506A NL 7800506 A NL7800506 A NL 7800506A NL 7800506 A NL7800506 A NL 7800506A NL 7800506 A NL7800506 A NL 7800506A NL 7800506 A NL7800506 A NL 7800506A
Authority
NL
Netherlands
Prior art keywords
flow meter
positive displacement
displacement
positive
meter
Prior art date
Application number
NL7800506A
Other languages
English (en)
Other versions
NL182022C (nl
Inventor
Shigeyoshi Nagata
Original Assignee
Oval Eng Co 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
Priority claimed from JP401977A external-priority patent/JPS5389763A/ja
Priority claimed from JP52089056A external-priority patent/JPS586131B2/ja
Application filed by Oval Eng Co Ltd filed Critical Oval Eng Co Ltd
Publication of NL7800506A publication Critical patent/NL7800506A/nl
Priority to NL8700454A priority Critical patent/NL191905C/nl
Application granted granted Critical
Publication of NL182022C publication Critical patent/NL182022C/nl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
    • G01F3/04—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls
    • G01F3/06—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
    • G01F3/10—Geared or lobed impeller meters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Rotary Pumps (AREA)
NLAANVRAGE7800506,A 1977-01-19 1978-01-16 Stroommeter met positieve verplaatsing. NL182022C (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8700454A NL191905C (nl) 1977-01-19 1987-02-24 Stroommeter met positieve verplaatsing.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP401977A JPS5389763A (en) 1977-01-19 1977-01-19 Volumetric flow meter
JP52089056A JPS586131B2 (ja) 1977-07-25 1977-07-25 容積型流量計の回転子

Publications (2)

Publication Number Publication Date
NL7800506A true NL7800506A (nl) 1978-07-21
NL182022C NL182022C (nl) 1987-12-16

Family

ID=26337711

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7800506,A NL182022C (nl) 1977-01-19 1978-01-16 Stroommeter met positieve verplaatsing.

Country Status (5)

Country Link
US (1) US4224015A (nl)
DE (1) DE2801281C2 (nl)
FR (1) FR2378263B1 (nl)
GB (1) GB1597011A (nl)
NL (1) NL182022C (nl)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430602A1 (fr) * 1978-07-03 1980-02-01 Oval Eng Co Ltd Debitmetre volumetrique
GB2125109A (en) * 1982-08-10 1984-02-29 Paul William Nachtrieb Rotary positive-displacement fluid-machines
JPS60147790U (ja) * 1984-03-13 1985-10-01 アイシン精機株式会社 ル−ツ型ブロア
US4761125A (en) * 1986-03-29 1988-08-02 Nippon Soken, Inc. Twin-shaft multi-lobed type hydraulic device
US4911010A (en) * 1988-08-12 1990-03-27 Flowdata, Inc. Fluid flowmeter
US5325715A (en) * 1989-08-09 1994-07-05 Flowdata, Inc. Fluid flowmeter
DE9017839U1 (de) * 1990-12-18 1992-04-30 VSE Volumentechnik GmbH, 58809 Neuenrade Volumensensor
DE4142062A1 (de) * 1991-12-19 1993-07-01 Salzkotten Tankanlagen Vorrichtung zum messen von fluessigkeitsmengen in zapfsaeulen von kraftfahrzeug-tankstellen
DE4208869C2 (de) * 1992-03-19 2001-07-19 Leistritz Ag Volumetrischer Kraftstoff-Durchflußmesser
US5415041A (en) * 1994-01-24 1995-05-16 Flowdata, Inc. Double helical flowmeter
AT400766B (de) * 1994-05-05 1996-03-25 Kraeutler Ges M B H & Co Einrichtung zur volumenmessung strömender medien
KR0133154B1 (ko) * 1994-08-22 1998-04-20 이종대 무단 압축형 스크류식 진공펌프
DK174370B1 (da) * 1995-10-30 2003-01-13 Salzkotten Tankanlagen Flowmåler
DE19612497B4 (de) * 1996-03-29 2004-02-05 Robert Bosch Gmbh Zahnradmaschine
JPH11230067A (ja) * 1998-02-17 1999-08-24 Tochigi Fuji Ind Co Ltd 流体機械
DE29802976U1 (de) * 1998-02-20 1998-04-16 Haar Maschbau Alfons Treibschieberzähler
FR2859000B1 (fr) * 2003-08-20 2005-09-30 Renault Sa Dent d'engrenage et pompe a engrenages exterieurs
US7553143B2 (en) * 2004-04-19 2009-06-30 The Regents Of The University Of California Lobe pump system and method of manufacture
ES2726748T3 (es) * 2005-06-08 2019-10-09 Ecolab Inc Medidor de engranajes ovalados
DE102006035782B4 (de) * 2006-08-01 2018-10-25 Gea Refrigeration Germany Gmbh Schraubenverdichter für extrem große Betriebsdrücke
JP4252614B1 (ja) * 2008-03-03 2009-04-08 株式会社オーバル 容積流量計及びヘリカル歯車
EP2551649A1 (en) * 2011-07-27 2013-01-30 Trimec Industries Pty. Ltd. Improved positive displacement flow meter
US8943901B2 (en) * 2013-03-15 2015-02-03 Ecolab Usa Inc. Fluid flow meter
US11131307B2 (en) 2015-08-17 2021-09-28 Eaton Intelligent Power Limited Hybrid profile supercharger rotors
HUE055648T2 (hu) * 2018-09-11 2021-12-28 Common Spolka Akcyjna Forgókerekes áramlásmérõ gázáramlás mérésére
CN111442074B (zh) * 2020-01-17 2023-08-11 宿迁学院 一种航天用泵的轻量化渐开线齿廓构造及其逆向设计方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621205A (en) * 1945-12-21 1949-04-06 Brodie Ralph N Co Rotary fluid meter
US2701683A (en) * 1951-12-15 1955-02-08 Read Standard Corp Interengaging rotor blower
DE934605C (de) * 1952-04-19 1955-10-27 Svenska Rotor Maskiner Ab Drehkolbenmaschine
FR1103494A (fr) * 1954-04-16 1955-11-03 Perfectionnement aux pompes, moteurs et compteurs à vis
US3414189A (en) * 1966-06-22 1968-12-03 Atlas Copco Ab Screw rotor machines and profiles

Also Published As

Publication number Publication date
DE2801281A1 (de) 1978-07-20
NL182022C (nl) 1987-12-16
US4224015A (en) 1980-09-23
GB1597011A (en) 1981-09-03
FR2378263A1 (fr) 1978-08-18
FR2378263B1 (fr) 1985-06-07
DE2801281C2 (de) 1986-03-06

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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