EP1199476A3 - Pompe à vide - Google Patents

Pompe à vide Download PDF

Info

Publication number
EP1199476A3
EP1199476A3 EP01124519A EP01124519A EP1199476A3 EP 1199476 A3 EP1199476 A3 EP 1199476A3 EP 01124519 A EP01124519 A EP 01124519A EP 01124519 A EP01124519 A EP 01124519A EP 1199476 A3 EP1199476 A3 EP 1199476A3
Authority
EP
European Patent Office
Prior art keywords
valve body
guide pipe
gas
valve hole
valve
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.)
Withdrawn
Application number
EP01124519A
Other languages
German (de)
English (en)
Other versions
EP1199476A2 (fr
Inventor
Yoshinari Suzuki
Hiroyuki Ishigure
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries 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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP1199476A2 publication Critical patent/EP1199476A2/fr
Publication of EP1199476A3 publication Critical patent/EP1199476A3/fr
Withdrawn legal-status Critical Current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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/065—Noise dampening volumes, e.g. muffler chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Lift Valve (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
EP01124519A 2000-10-16 2001-10-12 Pompe à vide Withdrawn EP1199476A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000314966 2000-10-16
JP2000314966A JP2002122088A (ja) 2000-10-16 2000-10-16 真空ポンプにおける流路構造

Publications (2)

Publication Number Publication Date
EP1199476A2 EP1199476A2 (fr) 2002-04-24
EP1199476A3 true EP1199476A3 (fr) 2003-03-05

Family

ID=18794137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01124519A Withdrawn EP1199476A3 (fr) 2000-10-16 2001-10-12 Pompe à vide

Country Status (2)

Country Link
EP (1) EP1199476A3 (fr)
JP (1) JP2002122088A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4352879B2 (ja) * 2003-11-28 2009-10-28 東海ゴム工業株式会社 バルブ内蔵コネクタ
JP4490306B2 (ja) * 2005-02-23 2010-06-23 トヨタ自動車株式会社 逆止弁
JP4698371B2 (ja) * 2005-10-04 2011-06-08 株式会社ショーワ 油圧式動力舵取装置
JP4915427B2 (ja) * 2009-03-30 2012-04-11 ブラザー工業株式会社 液体供給ジョイント、これを使用した液体吐出ヘッド及び記録装置
JP5615538B2 (ja) * 2009-12-07 2014-10-29 川崎重工業株式会社 排気通路制御弁
CN102168761B (zh) * 2011-04-29 2013-06-19 武汉肤尔医用科技有限公司 带有锁定机构的双向气阀
WO2014080663A1 (fr) * 2012-11-21 2014-05-30 株式会社コガネイ Clapet antiretour
KR102238551B1 (ko) * 2019-06-25 2021-04-08 엘지전자 주식회사 압축기

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653792A (en) * 1949-11-05 1953-09-29 Marquette Metal Products Co Check valve with plug mating a flanged nonmetallic sealing element
US4368756A (en) * 1978-12-13 1983-01-18 Mark Controls Corporation Check valve
JPS5862397A (ja) * 1981-10-12 1983-04-13 Sanden Corp スクロ−ル型圧縮機
FR2746146A1 (fr) * 1996-03-12 1997-09-19 Toyoda Automatic Loom Works Compresseur a deplacement variable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638788B1 (fr) 1988-11-07 1994-01-28 Alcatel Cit Pompe a vide du type roots multietage
JPH0814172A (ja) 1994-06-24 1996-01-16 Anlet Co Ltd 回転式気体圧送装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653792A (en) * 1949-11-05 1953-09-29 Marquette Metal Products Co Check valve with plug mating a flanged nonmetallic sealing element
US4368756A (en) * 1978-12-13 1983-01-18 Mark Controls Corporation Check valve
JPS5862397A (ja) * 1981-10-12 1983-04-13 Sanden Corp スクロ−ル型圧縮機
FR2746146A1 (fr) * 1996-03-12 1997-09-19 Toyoda Automatic Loom Works Compresseur a deplacement variable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 153 (M - 226) 5 July 1983 (1983-07-05) *

Also Published As

Publication number Publication date
JP2002122088A (ja) 2002-04-26
EP1199476A2 (fr) 2002-04-24

Similar Documents

Publication Publication Date Title
EP0922891A3 (fr) Joint rotatif, coulissant avec bande métallique interne
WO2009075199A1 (fr) Dispositif d'étanchéité
CA2474037A1 (fr) Systeme de joint d'arbre pour un dispositif mecanique rotatif
WO2006023086A3 (fr) Joints rotatifs pour cartouches avec element de retenue composite
EP1055832A3 (fr) Palier
EP1199476A3 (fr) Pompe à vide
EP1114955A3 (fr) Soupape à deux voies
JP2593352B2 (ja) 内燃機関の動弁装置
EP1338797A3 (fr) Pompe à eau
EP1164318A3 (fr) Anneau d'étanchéité, dispositif d'étanchéité et roulement à billes pourvu de celui-ci
EP1323960A3 (fr) Joint d'étanchéité mécanique
US4480529A (en) Axial piston pump
MXPA04009493A (es) Valvula de compuerta de barril giratorio.
DE60124775D1 (de) Drehkolben-fluidverdrängungsmaschine
EP0843122A3 (fr) Raccord pour tuyaux souples.
CA2317618A1 (fr) Reniflard d'engrenage de reduction finale equipe d'un differentiel
CN108005976A (zh) 一种处理协调运动的液压装置
JPS6441674U (fr)
CN201462014U (zh) 一种陶瓷阀芯
EP1270948A3 (fr) Joint d'étanchéité pour pompe à vide rotatif
MY128180A (en) Throttle opening degree sensor
CN2311628Y (zh) 一种高效密封的潜水泵
KR200365286Y1 (ko) 버터플라이 밸브
EP1193396A3 (fr) Pompe à vide à ailettes pour automobiles
EP1199475A3 (fr) Pompe à vide

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20011012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17Q First examination report despatched

Effective date: 20030716

AKX Designation fees paid

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20040127