EP1495228A4 - Direct connection manifold for reciprocating piston pump - Google Patents

Direct connection manifold for reciprocating piston pump

Info

Publication number
EP1495228A4
EP1495228A4 EP03726175A EP03726175A EP1495228A4 EP 1495228 A4 EP1495228 A4 EP 1495228A4 EP 03726175 A EP03726175 A EP 03726175A EP 03726175 A EP03726175 A EP 03726175A EP 1495228 A4 EP1495228 A4 EP 1495228A4
Authority
EP
European Patent Office
Prior art keywords
reciprocating piston
piston pump
manifold
direct connection
pump
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Withdrawn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
EP03726175A
Other languages
German (de)
French (fr)
Other versions
EP1495228A1 (en
Inventor
David Thompson
Robert Gundersen
Jerry Horning
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.)
Graco Minnesota Inc
Original Assignee
Graco Minnesota 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
Application filed by Graco Minnesota Inc filed Critical Graco Minnesota Inc
Publication of EP1495228A1 publication Critical patent/EP1495228A1/en
Publication of EP1495228A4 publication Critical patent/EP1495228A4/en
Withdrawn legal-status Critical Current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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/03—Stopping, starting, unloading or idling control by means of valves
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/04—Pressure in the outlet chamber
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet

Definitions

  • Airless sprayers which utilize reciprocating piston pumps have proven popular for applying paints, coatings and various texture materials. Such sprayers have typically utilized a hose running from the pump cylinder to a remote manifold which incorporates a dump valve and a pressure sensor for pressure control.
  • the instant invention uses a block fluid manifold attached directly to the pump cylinder and which includes provisions for a pressure sensor, a dump or safety valve and a hose outlet.
  • Figure 1 shows the instant invention in a partially exploded view.
  • Figure 2 shows the instant invention in an assembled view.
  • the instant invention is shown partially exploded in Figure 1, is comprised of a reciprocating piston pump 12 having a pump cylinder 14. Cylinder 14 is provided with a flat mounting surface 14a, attachment holes 14b and outlet passage 14c which outputs the pressurized fluid from within pump 12. Fluid manifold 16 is desirably formed from a single block of material such as stainless steel and is fastened to cylinder 14 by fastener bolts 22. A safety valve/dump valve 18 (of known construction) and pressure sensor 20 are attached via threading or other conventional attachment mechanisms to manifold 16.

Abstract

An airless sprayer utilizing a reciprocating piston pump (12) uses a block fluid manifold (16) attached directly to the pump cylinder (14) and which includes provisions for a pressure sensor (20), a dump or safety valve (18) and a hose outlet to minimize pressure drop which in turn maximizes spraying pressure as well as lessening the tendency to pack out.

Description

DIRECT CONNECTION MANIFOLD FOR RECIPROCATING PISTON PUMP
TECHNICAL FIELD
This application claims the benefit of US Application serial number 60/369,950, filed April 5, 2002.
BACKGROUND ART
Airless sprayers which utilize reciprocating piston pumps have proven popular for applying paints, coatings and various texture materials. Such sprayers have typically utilized a hose running from the pump cylinder to a remote manifold which incorporates a dump valve and a pressure sensor for pressure control.
DISCLOSURE OF THE INVENTION
It is advantageous, particularly when spraying texture materials and/or utilizing long lengths of hose, to minimize the amount of pressure drop from the outlet of the pump to the application device (such as a spray gun). Toward that end, the instant invention uses a block fluid manifold attached directly to the pump cylinder and which includes provisions for a pressure sensor, a dump or safety valve and a hose outlet. These and other objects and advantages of the invention will appear more fully from the following description made in conjunction with the accompanying drawings wherein like reference characters refer to the same or similar parts throughout the several views.
BRIEF DESCRIPTION OF DRAWINGS
Figure 1 shows the instant invention in a partially exploded view.
Figure 2 shows the instant invention in an assembled view.
BEST MODE FOR CARRYING OUT THE INVENTION
The instant invention, generally designated 10, is shown partially exploded in Figure 1, is comprised of a reciprocating piston pump 12 having a pump cylinder 14. Cylinder 14 is provided with a flat mounting surface 14a, attachment holes 14b and outlet passage 14c which outputs the pressurized fluid from within pump 12. Fluid manifold 16 is desirably formed from a single block of material such as stainless steel and is fastened to cylinder 14 by fastener bolts 22. A safety valve/dump valve 18 (of known construction) and pressure sensor 20 are attached via threading or other conventional attachment mechanisms to manifold 16.
It is contemplated that various changes and modifications may be made to the manifold-pump assembly without departing from the spirit and scope of the invention as defined by the following claims.

Claims

1. In a reciprocating piston pump having a pump cylinder, a manifold and a pressure sensor, the improvement comprising said manifold being attached directly to said cylinder thereby minimizing pressure drop and increasing spraying pressure.
2. The reciprocating piston pump of claim 1 wherein said pressure sensor is attached to1 said manifold.
FIG.l
1/2 FIG.2
2/2
EP03726175A 2002-04-05 2003-04-02 Direct connection manifold for reciprocating piston pump Withdrawn EP1495228A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36995002P 2002-04-05 2002-04-05
US369950P 2002-04-05
PCT/US2003/010056 WO2003087578A1 (en) 2002-04-05 2003-04-02 Direct connection manifold for reciprocating piston pump

Publications (2)

Publication Number Publication Date
EP1495228A1 EP1495228A1 (en) 2005-01-12
EP1495228A4 true EP1495228A4 (en) 2007-04-04

Family

ID=29250479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03726175A Withdrawn EP1495228A4 (en) 2002-04-05 2003-04-02 Direct connection manifold for reciprocating piston pump

Country Status (6)

Country Link
US (1) US20060177317A1 (en)
EP (1) EP1495228A4 (en)
KR (1) KR20040097286A (en)
CN (1) CN1646811A (en)
AU (1) AU2003228423A1 (en)
WO (1) WO2003087578A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4115985A1 (en) 2008-10-22 2023-01-11 Graco Minnesota Inc. Portable airless sprayer
US9545643B2 (en) * 2008-10-22 2017-01-17 Graco Minnesota Inc. Portable airless sprayer
US8651397B2 (en) 2009-03-09 2014-02-18 Techtronic Power Tools Technology Limited Paint sprayer
EP3943749A1 (en) * 2017-04-28 2022-01-26 Graco Minnesota Inc. Portable hydraulic power unit
CN117046639A (en) 2019-05-31 2023-11-14 固瑞克明尼苏达有限公司 Hand-held fluid sprayer
USD977426S1 (en) 2019-12-13 2023-02-07 Graco Minnesota Inc. Hydraulic power pack

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773833A (en) * 1987-04-13 1988-09-27 Apv Gaulin, Inc. High pressure homogenizer pump
EP0419984A2 (en) * 1989-09-25 1991-04-03 Vickers Incorporated Electrohydraulic control of a hydraulic machine
US5127547A (en) * 1991-02-19 1992-07-07 Horst Gerich Metering and dispensing apparatus
US6220487B1 (en) * 1998-10-16 2001-04-24 Micro Robotics Systems, Inc. Dispensing apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5292232A (en) * 1993-01-19 1994-03-08 Graco Inc. Liquid pump pressure control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773833A (en) * 1987-04-13 1988-09-27 Apv Gaulin, Inc. High pressure homogenizer pump
EP0419984A2 (en) * 1989-09-25 1991-04-03 Vickers Incorporated Electrohydraulic control of a hydraulic machine
US5127547A (en) * 1991-02-19 1992-07-07 Horst Gerich Metering and dispensing apparatus
US6220487B1 (en) * 1998-10-16 2001-04-24 Micro Robotics Systems, Inc. Dispensing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03087578A1 *

Also Published As

Publication number Publication date
US20060177317A1 (en) 2006-08-10
EP1495228A1 (en) 2005-01-12
AU2003228423A1 (en) 2003-10-27
CN1646811A (en) 2005-07-27
KR20040097286A (en) 2004-11-17
WO2003087578A1 (en) 2003-10-23

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Legal Events

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Effective date: 20070306

RIC1 Information provided on ipc code assigned before grant

Ipc: F04B 53/16 20060101ALI20070228BHEP

Ipc: F04B 49/03 20060101AFI20070228BHEP

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Effective date: 20070727

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Effective date: 20071207