CA2426367A1 - Liquid jet pump - Google Patents

Liquid jet pump Download PDF

Info

Publication number
CA2426367A1
CA2426367A1 CA002426367A CA2426367A CA2426367A1 CA 2426367 A1 CA2426367 A1 CA 2426367A1 CA 002426367 A CA002426367 A CA 002426367A CA 2426367 A CA2426367 A CA 2426367A CA 2426367 A1 CA2426367 A1 CA 2426367A1
Authority
CA
Canada
Prior art keywords
liquid
lower edge
cylinder
ribs
movable member
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.)
Granted
Application number
CA002426367A
Other languages
French (fr)
Other versions
CA2426367C (en
Inventor
Shinji Shimada
Katsuhito Kuwahara
Takao Kishi
Takayuki Abe
Shuzo Endo
Yuji Kohara
Takamitsu Nozawa
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.)
Yoshino Kogyosho Co Ltd
Original Assignee
Yoshino Kogyosho Co., Ltd.
Shinji Shimada
Katsuhito Kuwahara
Takao Kishi
Takayuki Abe
Shuzo Endo
Yuji Kohara
Takamitsu Nozawa
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 JP7031358A external-priority patent/JPH08198303A/en
Priority claimed from JP7031359A external-priority patent/JPH08198302A/en
Priority claimed from JP09810995A external-priority patent/JP3569343B2/en
Application filed by Yoshino Kogyosho Co., Ltd., Shinji Shimada, Katsuhito Kuwahara, Takao Kishi, Takayuki Abe, Shuzo Endo, Yuji Kohara, Takamitsu Nozawa filed Critical Yoshino Kogyosho Co., Ltd.
Publication of CA2426367A1 publication Critical patent/CA2426367A1/en
Application granted granted Critical
Publication of CA2426367C publication Critical patent/CA2426367C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/1039—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being mechanically opened after a defined accumulation stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1097—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke

Abstract

A liquid jetting pump of the present invention is constructed such that an intra container liquid is sucked into a cylinder 3 through a suction valve 9 by moving a vertically movable member 4 up and down, and the intra cylinder liquid is jetted out of a nozzle 29 through a discharge valve 31 from a stem 28. A
plurality of ribs 10 are protruded in a peripheral direction from a lower edge part within the cylinder.
Engagement recessed portions 11 are formed in inner parts of the upper surfaces of the ribs. A lower edge of a coil spring 38 for biasing the vertically movable member 4 is secured to each of the engagement recessed portions 11, thereby permitting a flow of liquid on both sides of the lower edge of the spring internally externally.
CA002426367A 1995-01-27 1996-01-26 Liquid jet pump Expired - Lifetime CA2426367C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP7031358A JPH08198303A (en) 1995-01-27 1995-01-27 Liquid spray pump
JP7031359A JPH08198302A (en) 1995-01-27 1995-01-27 Liquid spray pump
JP7-31359 1995-01-27
JP7-31358 1995-01-27
JP7-98109 1995-03-29
JP09810995A JP3569343B2 (en) 1995-03-29 1995-03-29 Liquid ejection pump
CA002186614A CA2186614C (en) 1995-01-27 1996-01-26 Liquid jet pump

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002186614A Division CA2186614C (en) 1995-01-27 1996-01-26 Liquid jet pump

Publications (2)

Publication Number Publication Date
CA2426367A1 true CA2426367A1 (en) 1996-08-01
CA2426367C CA2426367C (en) 2005-01-25

Family

ID=27287295

Family Applications (5)

Application Number Title Priority Date Filing Date
CA002426367A Expired - Lifetime CA2426367C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA2665953A Expired - Lifetime CA2665953C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA2440737A Expired - Lifetime CA2440737C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA002186614A Expired - Lifetime CA2186614C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA2485237A Expired - Lifetime CA2485237C (en) 1995-01-27 1996-01-26 Liquid jet pump

Family Applications After (4)

Application Number Title Priority Date Filing Date
CA2665953A Expired - Lifetime CA2665953C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA2440737A Expired - Lifetime CA2440737C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA002186614A Expired - Lifetime CA2186614C (en) 1995-01-27 1996-01-26 Liquid jet pump
CA2485237A Expired - Lifetime CA2485237C (en) 1995-01-27 1996-01-26 Liquid jet pump

Country Status (8)

Country Link
US (5) US5924604A (en)
EP (4) EP1210983B1 (en)
KR (1) KR100311593B1 (en)
CN (4) CN1098200C (en)
AU (1) AU717120B2 (en)
CA (5) CA2426367C (en)
DE (4) DE69631269T2 (en)
WO (1) WO1996022924A1 (en)

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Also Published As

Publication number Publication date
DE69638012D1 (en) 2009-10-08
AU4496596A (en) 1996-08-14
CN100375657C (en) 2008-03-19
EP1543886B1 (en) 2009-08-26
DE69635938D1 (en) 2006-05-11
EP1579923A2 (en) 2005-09-28
CA2186614C (en) 2003-12-30
CA2440737A1 (en) 1996-08-01
EP0757004B1 (en) 2004-01-07
EP1543886A2 (en) 2005-06-22
CA2665953A1 (en) 1996-08-01
DE69635938T2 (en) 2006-08-24
CA2665953C (en) 2012-05-01
CA2186614A1 (en) 1996-08-01
EP1210983B1 (en) 2006-03-22
US20020056731A1 (en) 2002-05-16
EP0757004A4 (en) 1999-08-11
CN1378882A (en) 2002-11-13
CA2485237A1 (en) 1996-08-01
DE69631269D1 (en) 2004-02-12
US20040144806A1 (en) 2004-07-29
US6938803B2 (en) 2005-09-06
EP1210983A3 (en) 2002-09-04
AU717120B2 (en) 2000-03-16
CA2440737C (en) 2010-08-24
DE69631269T2 (en) 2004-12-09
CN1378883A (en) 2002-11-13
US6702156B2 (en) 2004-03-09
EP1543886A3 (en) 2007-03-14
EP1579923A3 (en) 2005-10-12
US7472809B2 (en) 2009-01-06
CN1098200C (en) 2003-01-08
CA2426367C (en) 2005-01-25
CN1145609A (en) 1997-03-19
US5924604A (en) 1999-07-20
EP1579923B1 (en) 2007-10-31
DE69637311D1 (en) 2007-12-13
US20050167451A1 (en) 2005-08-04
CA2485237C (en) 2011-03-15
US6119902A (en) 2000-09-19
CN100402157C (en) 2008-07-16
EP1210983A2 (en) 2002-06-05
CN1232356C (en) 2005-12-21
KR100311593B1 (en) 2002-12-05
WO1996022924A1 (en) 1996-08-01
DE69637311T2 (en) 2008-08-07
EP0757004A1 (en) 1997-02-05
CN1666823A (en) 2005-09-14

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