ES2189384T3 - VACUUM PUMP WITH LITTLE NOISE AND ELEVATED PERFORMANCE. - Google Patents

VACUUM PUMP WITH LITTLE NOISE AND ELEVATED PERFORMANCE.

Info

Publication number
ES2189384T3
ES2189384T3 ES99902628T ES99902628T ES2189384T3 ES 2189384 T3 ES2189384 T3 ES 2189384T3 ES 99902628 T ES99902628 T ES 99902628T ES 99902628 T ES99902628 T ES 99902628T ES 2189384 T3 ES2189384 T3 ES 2189384T3
Authority
ES
Spain
Prior art keywords
vacuum pump
respect
movements
main axis
little noise
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.)
Expired - Lifetime
Application number
ES99902628T
Other languages
Spanish (es)
Inventor
Pierre Delafaye
Jean-Pierre Boisseau
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.)
Bosch Systemes de Freinage SAS
Original Assignee
Bosch Systemes de Freinage SAS
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 Bosch Systemes de Freinage SAS filed Critical Bosch Systemes de Freinage SAS
Application granted granted Critical
Publication of ES2189384T3 publication Critical patent/ES2189384T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/0404—Details, component parts specially adapted for such pumps
    • F04B27/0414—Cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Bomba de vacío que comprende un primer y un segundo cilindros ( 1, 2 ) del mismo diámetro ( D ) en los que un primero y segundo pistones respectivos ( 3, 4 ) de los cuales cada uno, está movido por una excéntrica ( 51, 52 ), delimitan un primero y un segundo volúmenes ( V1, V2 ) respectivos, estando provisto cada cilindro de una entrada ( 11, 21) dotada de una válvula anti-retorno de aspiración ( 13, 23 ) y de una salida ( 12, 22 ) dotada de una válvula anti-retorno de expulsión ( 14, 24 ), estando alineados los cilindros ( 1, 2 ) uno con otro y colocados simétricamente con respecto a un eje principal ( X ), caracterizado porque los pistones ( 3, 4 ) están animados simultáneamente de movimientos respectivos de aspiración ( MA1, MA2 ), simétricos con respecto al eje principal ( X ), y por los cuales los volúmenes primero y segundo ( V1, V2) crecen, y de movimientos de expulsión respectivos ( MR1, MR2 ), simétricos con respecto al eje principal ( X ), y por los cuales los volúmenes primero ysegundo ( V1, V2 ) disminuyen, y porque los movimientos de aspiración y de expulsión ( MA1, MA2, MR1, MR2 ) tienen una primera y una segunda duraciones respectivas ( t1, t2 ) de las cuales la primera ( t1 ) es superior a la segunda ( t2 ).Vacuum pump comprising a first and a second cylinder (1, 2) of the same diameter (D) in which a respective first and second piston (3, 4) of which each is moved by an eccentric (51, 52), delimit a first and second volume (V1, V2), each cylinder being provided with an inlet (11, 21) equipped with a suction non-return valve (13, 23) and an outlet (12, 22) equipped with an ejection non-return valve (14, 24), the cylinders (1, 2) being aligned with each other and positioned symmetrically with respect to a main axis (X), characterized in that the pistons (3, 4 ) are simultaneously animated by respective suction movements (MA1, MA2), symmetrical with respect to the main axis (X), and by which the first and second volumes (V1, V2) grow, and respective ejection movements (MR1, MR2), symmetrical with respect to the main axis (X), and for which the s first and second volumes (V1, V2) decrease, and because the aspiration and expulsion movements (MA1, MA2, MR1, MR2) have a first and second respective durations (t1, t2) of which the first (t1) is higher than the second (t2).

ES99902628T 1998-02-12 1999-02-08 VACUUM PUMP WITH LITTLE NOISE AND ELEVATED PERFORMANCE. Expired - Lifetime ES2189384T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9801664A FR2774727B1 (en) 1998-02-12 1998-02-12 LOW NOISE AND HIGH EFFICIENCY VACUUM PUMP

Publications (1)

Publication Number Publication Date
ES2189384T3 true ES2189384T3 (en) 2003-07-01

Family

ID=9522880

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99902628T Expired - Lifetime ES2189384T3 (en) 1998-02-12 1999-02-08 VACUUM PUMP WITH LITTLE NOISE AND ELEVATED PERFORMANCE.

Country Status (6)

Country Link
EP (1) EP1055070B1 (en)
JP (1) JP4172005B2 (en)
DE (1) DE69904299T2 (en)
ES (1) ES2189384T3 (en)
FR (1) FR2774727B1 (en)
WO (1) WO1999041501A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008061311A1 (en) * 2008-12-11 2010-06-24 Doukas Ag Device for conveying a gas
CN102094776B (en) * 2009-12-09 2015-03-11 上海汽车制动系统有限公司 Oppositely arranged swing piston type vacuum pump used for automobiles
CN102345582A (en) * 2011-10-10 2012-02-08 中国人民解放军第四军医大学 Horizontally opposed dual-cylinder vacuum pump
CN109595137B (en) * 2018-12-20 2020-03-27 杨爱钗 Negative pressure steam generating device
KR102420248B1 (en) * 2020-08-05 2022-07-13 이준재 Vacuum pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579927A (en) * 1947-05-17 1951-12-25 Joho Olga Opposed cylinder air compressor
US3834840A (en) * 1972-06-07 1974-09-10 E Hartley Compact reciprocating piston machine
US4105371A (en) * 1976-10-15 1978-08-08 General Motors Corporation Cam driven compressor
US4679994A (en) * 1981-03-09 1987-07-14 Allied Corporation Piston vacuum pump
JPS5867978A (en) * 1981-10-16 1983-04-22 Nippon Denso Co Ltd Reciprocating compressor
US5482443A (en) * 1992-12-21 1996-01-09 Commonwealth Scientific And Industrial Research Organization Multistage vacuum pump

Also Published As

Publication number Publication date
WO1999041501A1 (en) 1999-08-19
EP1055070A1 (en) 2000-11-29
FR2774727A1 (en) 1999-08-13
FR2774727B1 (en) 2000-04-21
JP2002503786A (en) 2002-02-05
DE69904299D1 (en) 2003-01-16
JP4172005B2 (en) 2008-10-29
DE69904299T2 (en) 2003-08-21
EP1055070B1 (en) 2002-12-04

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