TWI257476B - Non-circular gear and positive displacement flow meter using it - Google Patents

Non-circular gear and positive displacement flow meter using it Download PDF

Info

Publication number
TWI257476B
TWI257476B TW93116754A TW93116754A TWI257476B TW I257476 B TWI257476 B TW I257476B TW 93116754 A TW93116754 A TW 93116754A TW 93116754 A TW93116754 A TW 93116754A TW I257476 B TWI257476 B TW I257476B
Authority
TW
Taiwan
Prior art keywords
tooth
circular gear
curve
circular
teeth
Prior art date
Application number
TW93116754A
Other languages
English (en)
Chinese (zh)
Other versions
TW200508575A (en
Inventor
Seigo Ono
Original Assignee
Oval Corp
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 Oval Corp filed Critical Oval Corp
Publication of TW200508575A publication Critical patent/TW200508575A/zh
Application granted granted Critical
Publication of TWI257476B publication Critical patent/TWI257476B/zh

Links

Landscapes

  • Measuring Volume Flow (AREA)
  • Rotary Pumps (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Hydraulic Motors (AREA)
TW93116754A 2003-06-24 2004-06-10 Non-circular gear and positive displacement flow meter using it TWI257476B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003178925A JP3827655B2 (ja) 2003-06-24 2003-06-24 非円形歯車及び非円形歯車を用いた容積式流量計

Publications (2)

Publication Number Publication Date
TW200508575A TW200508575A (en) 2005-03-01
TWI257476B true TWI257476B (en) 2006-07-01

Family

ID=34180371

Family Applications (1)

Application Number Title Priority Date Filing Date
TW93116754A TWI257476B (en) 2003-06-24 2004-06-10 Non-circular gear and positive displacement flow meter using it

Country Status (4)

Country Link
JP (1) JP3827655B2 (ja)
KR (1) KR100556014B1 (ja)
CN (1) CN1324307C (ja)
TW (1) TWI257476B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI409445B (zh) * 2008-06-20 2013-09-21 Graco Minnesota Inc 用於流量計中的橢圓齒輪組、手持式流量計量裝置及用於在一橢圓齒輪上產生漸開線輪齒之方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119298B (fi) * 2006-05-12 2008-09-30 Osakeyhtioe Skf Aktiebolag Soikiohammasratasmittari
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
KR101024119B1 (ko) * 2008-10-08 2011-03-22 주식회사 삼한 원과 타원 및 인벌루트가 조합된 치형 형상을 갖는 지로터 오일 펌프용 로터 설계 자동화 시스템
CN101413818B (zh) * 2008-12-05 2010-06-09 胡平 容积式高阶椭圆齿轮流量计
JP4599454B1 (ja) * 2009-09-07 2010-12-15 株式会社オーバル 容積式気液二相流量計及び多相流量計測システム
CN101846072B (zh) * 2010-04-23 2012-11-14 重庆大学 卵形锥齿轮泵
CN101975599B (zh) * 2010-05-24 2012-05-02 上海神舟汽车节能环保有限公司 一种四磁钢椭圆齿轮流量计
WO2015006539A1 (en) * 2013-07-10 2015-01-15 Liquid Controls Group, A Unit Of Idex Corporation Flow meters with improved blocking and displacement rotors
CN103758754B (zh) * 2014-01-27 2015-11-18 浙江水利水电学院 一种巴斯噶非圆齿轮驱动的四叶片差速泵
US9441998B2 (en) * 2014-07-21 2016-09-13 Ecolab Usa Inc. Oval gear meter
CN107817030A (zh) * 2016-09-14 2018-03-20 方惠娥 一种双转子容积式累加流体计量器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133320A (en) * 1981-02-12 1982-08-18 Oval Eng Co Ltd Non-circular gear and flowmeter thereby
JPS60166775A (ja) * 1984-02-09 1985-08-30 Kinmon Seisakusho:Kk 非円形歯車
JPS623885A (ja) * 1985-06-27 1987-01-09 Sumitomo Metal Mining Co Ltd 抵抗溶接用電極材料
JPH0781895B2 (ja) * 1986-11-21 1995-09-06 オ−バル機器工業株式会社 容積流量計
JPS6439052A (en) * 1987-08-05 1989-02-09 Matsushita Electric Works Ltd Pin grid array
JPH0670574B2 (ja) * 1990-03-08 1994-09-07 トキコ株式会社 流量計
CN2210386Y (zh) * 1994-08-18 1995-10-18 王树波 腰形齿轮流量计
ATE217689T1 (de) * 1995-01-11 2002-06-15 Micropump Inc Anlage mit eingebauter pumpe und fluidströmungsmesser
JPH08201135A (ja) * 1995-01-31 1996-08-09 Akitoshi Kitano 容積式流量計
CN1132002C (zh) * 1996-01-02 2003-12-24 株式会社椭圆 容积型流量计
JPH1089443A (ja) * 1996-09-13 1998-04-07 Akitoshi Kitano 楕円形歯車
JP3620997B2 (ja) * 1999-06-09 2005-02-16 株式会社オーバル 非円形歯車の改良及びそれを用いた非円形歯車式流量計

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI409445B (zh) * 2008-06-20 2013-09-21 Graco Minnesota Inc 用於流量計中的橢圓齒輪組、手持式流量計量裝置及用於在一橢圓齒輪上產生漸開線輪齒之方法

Also Published As

Publication number Publication date
CN1573302A (zh) 2005-02-02
JP2005017001A (ja) 2005-01-20
TW200508575A (en) 2005-03-01
KR20050001379A (ko) 2005-01-06
CN1324307C (zh) 2007-07-04
JP3827655B2 (ja) 2006-09-27
KR100556014B1 (ko) 2006-03-03

Similar Documents

Publication Publication Date Title
TWI257476B (en) Non-circular gear and positive displacement flow meter using it
CN103233894B (zh) 严格密封型干式螺杆真空泵螺杆转子型线
KR101190393B1 (ko) 용적 유량계 및 헤리컬 기어
US4210410A (en) Volumetric type flowmeter having circular and involute tooth shape rotors
US8490284B2 (en) Gear and method for forming tooth profile thereof
CN109555681A (zh) 一种确定罗茨泵转子型线合理设计区域的方法及其应用
US6644947B2 (en) Wave tooth gears using identical non-circular conjugating pitch curves
KR0165654B1 (ko) 계합 로터
CN104919181B (zh) 齿轮液压机器及相关齿轮
KR20110113541A (ko) 다양한 치형곡선을 이용한 지로터 오일펌프의 로터 설계 방법
JP2008138874A (ja) 円弧歯形を持つ歯車及びそれを使用した歯車伝達装置、歯車製造法。
JP2015518105A (ja) スクリューエキスパンダ、スクリューマシン設計方法、スクリューマシン製造方法、スクリューマシン及び発電機
CN203906294U (zh) 一种螺杆真空泵的螺杆组件
CN104019034B (zh) 一种螺杆真空泵的螺杆组件
JP2001027560A (ja) ヘリカルギヤ式容積流量計
JPS60166775A (ja) 非円形歯車
JP3068699U (ja) ギヤポンプ用歯車
JP2010019204A (ja) 内接歯車ポンプ用ロータ
Avram et al. THEORETICAL ANALYSIS OF AN EXTERNAL GEAR PUMP-METHODS FOR DETERMINING THE PUMPING CAPACITY–
CN116127639B (zh) 建立不同侧隙和卸荷槽下齿轮泵理论排量的统一模型方法
JPH0676899B2 (ja) 容積流量計
JPH067326Y2 (ja) 容積流量計
KR100317852B1 (ko) 유량계용의 로우터
WO2022179745A1 (en) Screw assembly for a triple screw pump and screw pump comprising said assembly
Wu et al. A symmetric Gears Design and Performance Analysis for External Gear Pumps

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees