NL7905192A - Stromingsmeter met een positieve verplaatsing van het medium, die is voorzien van rotoren met schuine tanden. - Google Patents

Stromingsmeter met een positieve verplaatsing van het medium, die is voorzien van rotoren met schuine tanden. Download PDF

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Publication number
NL7905192A
NL7905192A NL7905192A NL7905192A NL7905192A NL 7905192 A NL7905192 A NL 7905192A NL 7905192 A NL7905192 A NL 7905192A NL 7905192 A NL7905192 A NL 7905192A NL 7905192 A NL7905192 A NL 7905192A
Authority
NL
Netherlands
Prior art keywords
rotors
tooth
flow meter
teeth
medium
Prior art date
Application number
NL7905192A
Other languages
English (en)
Dutch (nl)
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 JP7975378A external-priority patent/JPS5815046B2/ja
Priority claimed from JP7975478A external-priority patent/JPS5815047B2/ja
Application filed by Oval Eng Co Ltd filed Critical Oval Eng Co Ltd
Publication of NL7905192A publication Critical patent/NL7905192A/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
NL7905192A 1978-07-03 1979-07-03 Stromingsmeter met een positieve verplaatsing van het medium, die is voorzien van rotoren met schuine tanden. NL7905192A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7975378A JPS5815046B2 (ja) 1978-07-03 1978-07-03 容積型流量計
JP7975478A JPS5815047B2 (ja) 1978-07-03 1978-07-03 容積型流量計
JP7975478 1978-07-03
JP7975378 1978-07-03

Publications (1)

Publication Number Publication Date
NL7905192A true NL7905192A (nl) 1980-01-07

Family

ID=26420749

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7905192A NL7905192A (nl) 1978-07-03 1979-07-03 Stromingsmeter met een positieve verplaatsing van het medium, die is voorzien van rotoren met schuine tanden.

Country Status (5)

Country Link
US (1) US4329130A (fr)
DE (1) DE2926566C2 (fr)
FR (1) FR2430602A1 (fr)
GB (1) GB2024948B (fr)
NL (1) NL7905192A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147790U (ja) * 1984-03-13 1985-10-01 アイシン精機株式会社 ル−ツ型ブロア
US4641522A (en) * 1985-04-03 1987-02-10 Lopresti William J Bearing-less positive displacement flowmeter
US4911010A (en) * 1988-08-12 1990-03-27 Flowdata, Inc. Fluid flowmeter
US4996888A (en) * 1989-08-09 1991-03-05 Flowdata, Inc. Fluid flowmeter
US5325715A (en) * 1989-08-09 1994-07-05 Flowdata, Inc. Fluid flowmeter
US5415041A (en) * 1994-01-24 1995-05-16 Flowdata, Inc. Double helical flowmeter
MD250G2 (ro) * 1995-01-10 1996-01-31 Societatea Cu Raspundere Limitata "Inprom" Convertor rotativ al debitului
US6663530B2 (en) 2001-12-14 2003-12-16 Pratt & Whitney Canada Corp. Zero twist carrier
KR100391250B1 (en) * 2003-03-21 2003-07-12 Byoung Gi Yea Flow meter for integration and subtraction
US7104918B2 (en) * 2003-07-29 2006-09-12 Pratt & Whitney Canada Corp. Compact epicyclic gear carrier
US9822781B2 (en) 2005-05-23 2017-11-21 Eaton Corporation Optimized helix angle rotors for roots-style supercharger
US11286932B2 (en) 2005-05-23 2022-03-29 Eaton Intelligent Power Limited Optimized helix angle rotors for roots-style supercharger
US10436197B2 (en) 2005-05-23 2019-10-08 Eaton Intelligent Power Limited Optimized helix angle rotors for roots-style supercharger
US7488164B2 (en) * 2005-05-23 2009-02-10 Eaton Corporation Optimized helix angle rotors for Roots-style supercharger
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
RU2416748C1 (ru) * 2010-02-01 2011-04-20 Виктор Владимирович Становской Эксцентриково-циклоидальное зацепление зубчатых профилей с криволинейными зубьями
EP2551649A1 (fr) * 2011-07-27 2013-01-30 Trimec Industries Pty. Ltd. Débitmètre à déplacement positif amélioré
US10662879B2 (en) 2017-08-08 2020-05-26 Pratt & Whitney Canada Corp. Epicyclic gear stage
US10927944B2 (en) 2018-01-26 2021-02-23 Pratt & Whitney Canada Corp. Compact, twist controlled planet carrier and epicyclic gear train having same
US10760677B2 (en) 2018-01-31 2020-09-01 Pratt & Whitney Canada Corp. Epicyclic gear train with balanced carrier stiffness
HUE055648T2 (hu) 2018-09-11 2021-12-28 Common Spolka Akcyjna Forgókerekes áramlásmérõ gázáramlás mérésére

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159744A (en) * 1936-08-26 1939-05-23 Brown & Sharpe Mfg Gear pump
US2462924A (en) * 1944-03-01 1949-03-01 Equi Flow Inc Gear tooth profile
GB621205A (en) * 1945-12-21 1949-04-06 Brodie Ralph N Co Rotary fluid meter
US2530173A (en) * 1947-07-25 1950-11-14 Eaton Mfg Co Helical interengaging impellers blower
US2701683A (en) * 1951-12-15 1955-02-08 Read Standard Corp Interengaging rotor blower
GB855386A (en) * 1956-04-06 1960-11-30 Borg Warner Improvements in internally-meshing gear pumps, motors and meters
FR1243471A (fr) * 1959-08-31 1960-10-14 Perfectionnements aux rotors pour pompes, moteurs, compresseurs, ventilateurs, compteurs et autres dispositifs similaires
US3164099A (en) * 1961-08-09 1965-01-05 Iyoi Hitosi Toothed profiles of rotors of gear pump
DE2036539A1 (de) * 1970-07-23 1972-01-27 Bopp & Reuther Gmbh Volumenzähler
US4224015A (en) * 1977-01-19 1980-09-23 Oval Engineering Co., Ltd. Positive displacement flow meter with helical-toothed rotors
US4210410A (en) * 1977-11-17 1980-07-01 Tokico Ltd. Volumetric type flowmeter having circular and involute tooth shape rotors

Also Published As

Publication number Publication date
DE2926566C2 (de) 1986-08-21
FR2430602B1 (fr) 1984-12-21
FR2430602A1 (fr) 1980-02-01
US4329130A (en) 1982-05-11
GB2024948A (en) 1980-01-16
GB2024948B (en) 1982-12-22
DE2926566A1 (de) 1980-01-24

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
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
BV The patent application has lapsed