+

US20060008365A1 - Integrated pump and check valve apparatus - Google Patents

Integrated pump and check valve apparatus Download PDF

Info

Publication number
US20060008365A1
US20060008365A1 US10/887,623 US88762304A US2006008365A1 US 20060008365 A1 US20060008365 A1 US 20060008365A1 US 88762304 A US88762304 A US 88762304A US 2006008365 A1 US2006008365 A1 US 2006008365A1
Authority
US
United States
Prior art keywords
check valve
piston
fluid
pump
housing
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.)
Abandoned
Application number
US10/887,623
Other languages
English (en)
Inventor
Garret Angove
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.)
Sapphire Engineering Inc
Original Assignee
Sapphire Engineering Inc
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
Assigned to SAPPHIRE ENGINEERING INC. reassignment SAPPHIRE ENGINEERING INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANGOVE, GARRET
Application filed by Sapphire Engineering Inc filed Critical Sapphire Engineering Inc
Priority to US10/887,623 priority Critical patent/US20060008365A1/en
Priority to PCT/US2005/015371 priority patent/WO2006016921A2/fr
Publication of US20060008365A1 publication Critical patent/US20060008365A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber

Definitions

  • This invention relates to an integrated pump and check valve apparatus for pumping discrete liquid volumes to points of use of the liquid volumes. More particularly, this invention relates to an integrated displacement pump and check valve apparatus for pumping discrete liquid volumes to points of use.
  • the syringe pump includes a valve construction formed of a polymeric composition which directs the pumped liquid volumes to a point of use.
  • the valve construction includes a housing (stator) having a hollow, essentially interior surface into which is press fit a mating rotor.
  • the rotor is provided with fluid passageways that control flow of liquid into the syringe pump and flow of liquid from the syringe pump while providing sealing between a pump inlet and a pump outlet.
  • This configuration of syringe pump and rotor-stator valve requires two motors, one to drive the syringe and a second to drive the rotor.
  • a pump apparatus capable of delivering discrete liquid volumes to a point of use such as different areas of a sample tray in a manner which is repeatable for long time periods of 1,000,000 cycles or more.
  • a pump apparatus which avoids shedding of polymeric particles during pumping.
  • a pump which eliminates the need for a motor to activate a seal in order to direct fluid to a desired point of use.
  • the present invention provides a pumping apparatus comprising (a) a displacement pump having a liquid displacement element comprises a piston housed within a barrel, a high pressure seal and means for reciprocating the piston within the barrel and (b) check valves wherein the sealing is effected by activating a movable element under pressure of fluid being pumped without use of a motor.
  • Liquid in the barrel is delivered to a point of use while the piston is traveling toward a check valve positioned between the piston and the point of use and liquid is supplied to the barrel when the piston is traveling away from the check valve positioned between the piston and the point of use.
  • the moving piston is spaced apart from the inside surface of the barrel so that a frictional force between the piston and the barrel is prevented during pumping.
  • FIG. 1 is a side view of the displacement pump and check valve apparatus of this invention.
  • FIG. 2 is a front view of the apparatus of FIG. 1 .
  • FIG. 3 is a cross-sectional view of the apparatus of FIG. 2 taken along line 3 - 3 of FIG. 2 .
  • FIG. 4 is a cross-sectional view of a check valve useful in the present invention.
  • the pump apparatus 10 of this invention includes a housing 12 and a motor 16 which effects rotation.
  • Housing 32 which can be formed of an opaque or transparent material which is resistant to the liquid being pumped such as acrylic, polyetherether ketone, or the like can be a single piece or a plurality of joined elements.
  • the piston 34 can be formed of sapphire, glass or a ceramic or the like and is spaced apart from the interior wall 38 of housing 32 . When the piston 34 is so-positioned, a single stroke of the piston 34 during use of the pump will deliver a known volume of liquid depending upon the piston diameter and the stroke length.
  • the housing 32 for the check valve 45 and the piston 34 can be formed of a single element. The provision of this single element housing provides the advantage that the valve seats and displacement pump of this invention can be replaced simultaneously after the useful life of the pump is completed.
  • Motor 16 causes gear box 40 to reciprocate through pulley 41 , and gears 42 , 44 and 46 and gear track 48 .
  • Gear box 40 is positioned within track 47 which causes the piston 34 to move in a repeatable linear path stroke after stroke. As shown in FIG. 1 , the stroke of the pump varies from position 50 and position 52 which typically can be between about 1.5 and 2.0 inches. It is to be understood that any conventional activating apparatus which causes piston 34 to reciprocate on a linear path can be utilized in the present invention.
  • the piston 34 is positioned within seal 56 which can be formed, for example of ultra high molecular weight polyethylene (VHMWPE) or the like and optional roulon guide 58 .
  • the roulon guide aligns piston 34 into seal 56 .
  • the piston 34 reciprocates within seal 56 and roulon guide 58 .
  • the piston 34 is fixedly positioned in ferrule 60 which, in turn, is fixed within arm 62 by knob 64 .
  • the housing 32 can be formed of two pieces comprising piece 32 b and 32 a .
  • Housing piece 32 b includes two valve seats 31 and 33 into which are positioned check valves 35 and 37 .
  • Check valves 35 and 37 can have threads 39 and 41 to screw the valves 35 and 37 into valve seats 31 and 33 having internal threads (not shown).
  • Housing 32 b can be provided with threads 49 and 45 to secure housing 32 b to housing 12 .
  • Check valve 35 is connected to conduit 45 , which in turn is in fluid communication with a point of use for the fluid (not shown).
  • Check valve 37 is connected with conduit 47 which, in turn, is connected to a reservoir for the fluid (not shown).
  • check valve 35 In use, when piston 34 moves toward check valve 35 , check valve 35 is open and check valve 37 is closed so that fluid is delivered through check valve 35 and conduit 45 to a point of use of the fluid. When piston 34 moves away from check valve 35 , check valve 35 is closed and check valve 37 is open so that fluid moves into barrel 38 through check valve 37 and conduit 47 from a fluid reservoir.
  • valve 35 like valve 37 includes a movable ball 70 which moves within valve seat 72 to block either conduit 74 or conduit 76 to effect fluid flow as described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
US10/887,623 2004-07-12 2004-07-12 Integrated pump and check valve apparatus Abandoned US20060008365A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/887,623 US20060008365A1 (en) 2004-07-12 2004-07-12 Integrated pump and check valve apparatus
PCT/US2005/015371 WO2006016921A2 (fr) 2004-07-12 2005-05-04 Pompe intégrée et appareil à clapets de non retour

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/887,623 US20060008365A1 (en) 2004-07-12 2004-07-12 Integrated pump and check valve apparatus

Publications (1)

Publication Number Publication Date
US20060008365A1 true US20060008365A1 (en) 2006-01-12

Family

ID=35541561

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/887,623 Abandoned US20060008365A1 (en) 2004-07-12 2004-07-12 Integrated pump and check valve apparatus

Country Status (2)

Country Link
US (1) US20060008365A1 (fr)
WO (1) WO2006016921A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110172646A1 (en) * 2010-01-08 2011-07-14 Medtronic, Inc. Multi-material single-piece actuator member for miniature reciprocating piston pump in medical applications
CN102330670A (zh) * 2011-09-19 2012-01-25 中航力源液压股份有限公司 一种柱塞泵防吸空方法及装置
WO2016059551A3 (fr) * 2014-10-13 2016-06-09 Alfa S.R.L. Pompe volumétrique et groupe de pompage pour produits fluides et procédé d'utilisation de ceux-ci

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546596A (en) * 1920-06-29 1925-07-21 Hugo Junkers Fuel pump
US3053195A (en) * 1959-04-14 1962-09-11 Larkin R Williamson High pressure hydraulic pump
US4778347A (en) * 1986-09-15 1988-10-18 Mize Robert L High production pump for viscous materials and method
US4883409A (en) * 1987-09-26 1989-11-28 Fred Strohmeier Pumping apparatus for delivering liquid at high pressure
US5094596A (en) * 1990-06-01 1992-03-10 Binks Manufacturing Company High pressure piston pump for fluent materials
US7080975B2 (en) * 2003-06-25 2006-07-25 Sapphire Engineering, Inc. Integrated pump and ceramic valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593921B1 (fr) * 1986-01-30 1990-01-05 Geoservices Appareil automatique portable pour l'analyse thermodynamique de fluides souterrains

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546596A (en) * 1920-06-29 1925-07-21 Hugo Junkers Fuel pump
US3053195A (en) * 1959-04-14 1962-09-11 Larkin R Williamson High pressure hydraulic pump
US4778347A (en) * 1986-09-15 1988-10-18 Mize Robert L High production pump for viscous materials and method
US4883409A (en) * 1987-09-26 1989-11-28 Fred Strohmeier Pumping apparatus for delivering liquid at high pressure
US5094596A (en) * 1990-06-01 1992-03-10 Binks Manufacturing Company High pressure piston pump for fluent materials
US7080975B2 (en) * 2003-06-25 2006-07-25 Sapphire Engineering, Inc. Integrated pump and ceramic valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110172646A1 (en) * 2010-01-08 2011-07-14 Medtronic, Inc. Multi-material single-piece actuator member for miniature reciprocating piston pump in medical applications
US8430651B2 (en) 2010-01-08 2013-04-30 Medtronic, Inc. Multi-material single-piece actuator member for miniature reciprocating piston pump in medical applications
CN102330670A (zh) * 2011-09-19 2012-01-25 中航力源液压股份有限公司 一种柱塞泵防吸空方法及装置
WO2016059551A3 (fr) * 2014-10-13 2016-06-09 Alfa S.R.L. Pompe volumétrique et groupe de pompage pour produits fluides et procédé d'utilisation de ceux-ci
US20170248129A1 (en) * 2014-10-13 2017-08-31 Alfa S.R.L. Positive-displacement pump and pumping group for fluid products and method for the use thereof
EP3483434A1 (fr) * 2014-10-13 2019-05-15 Alfa S.r.l. Pompe volumétrique et groupe de pompage pour produits fluides et procédé d'utilisation associé
AU2015332105B2 (en) * 2014-10-13 2019-06-20 Alfa S.R.L. Positive-displacement pump and pumping group for fluid products and method for the use thereof
US11053930B2 (en) * 2014-10-13 2021-07-06 Alfa S. R. L. Positive-displacement pump and pumping group for fluid products and method for the use thereof

Also Published As

Publication number Publication date
WO2006016921A3 (fr) 2007-05-10
WO2006016921A2 (fr) 2006-02-16

Similar Documents

Publication Publication Date Title
EP0437261B1 (fr) Pompe à refoulement multiples
JP3221672B2 (ja) ポンプ装置
AU2005308558B2 (en) Volumetric pump with reciprocated and rotated piston
RU2488715C2 (ru) Насос-дозатор и его приводное устройство
US6164924A (en) Piston and drive assembly for use in a pump
CN1083064C (zh) 高效过流自吸活塞
US7214039B2 (en) Integrated ratio pump and check valve apparatus
US7217105B2 (en) Integrated pump and wash pump
CN110617200A (zh) 流体泵和相关的系统和方法
JP2015522736A (ja) 往復容量型ポンプ用の直接容積制御装置（ｄｖｃｄ）
US20060008365A1 (en) Integrated pump and check valve apparatus
CN216173351U (zh) 一种隔膜喷涂机
US4722675A (en) Piston proportioning pump
US7080975B2 (en) Integrated pump and ceramic valve
KR850000419B1 (ko) 왕복 펌프장치
US10982986B2 (en) Micrometering pump
US5433240A (en) Low-ratio proportioner
DE69026945T2 (de) Impulsfreie kolbenpumpe
CN111828292B (zh) 一种可调节量程的计量泵
GB1400601A (en) Metering pump
CN102518573A (zh) 可调式定量注射泵
CN220599951U (zh) 一种线性计量泵及自动灌注设备
US6637625B1 (en) Continuous positive displacement metering valve
JPWO2019151062A1 (ja) 液体クロマトグラフ
CN212202380U (zh) 无污染液体流控泵

Legal Events

Date Code Title Description
AS Assignment

Owner name: SAPPHIRE ENGINEERING INC., MASSACHUSETTS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ANGOVE, GARRET;REEL/FRAME:015569/0113

Effective date: 20040706

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载