WO2007149652A3 - System and method for evacuating a vacuum chamber - Google Patents

System and method for evacuating a vacuum chamber Download PDF

Info

Publication number
WO2007149652A3
WO2007149652A3 PCT/US2007/068756 US2007068756W WO2007149652A3 WO 2007149652 A3 WO2007149652 A3 WO 2007149652A3 US 2007068756 W US2007068756 W US 2007068756W WO 2007149652 A3 WO2007149652 A3 WO 2007149652A3
Authority
WO
WIPO (PCT)
Prior art keywords
volume
vacuum pump
evacuation
valve arrangement
evacuation vessel
Prior art date
Application number
PCT/US2007/068756
Other languages
French (fr)
Other versions
WO2007149652A2 (en
Inventor
Raymond G Buchko
Dwayne C Long
Original Assignee
Cp Packaging Inc
Raymond G Buchko
Dwayne C Long
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 Cp Packaging Inc, Raymond G Buchko, Dwayne C Long filed Critical Cp Packaging Inc
Publication of WO2007149652A2 publication Critical patent/WO2007149652A2/en
Publication of WO2007149652A3 publication Critical patent/WO2007149652A3/en

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
    • 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
    • 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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F3/00—Pumps using negative pressure acting directly on the liquid to be pumped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0379—By fluid pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0396—Involving pressure control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86083—Vacuum pump

Abstract

A valve arrangement for a vacuum pump assembly selectively opens and closes communication between a vacuum pump, evacuation vessel, and a volume to be evacuated. The valve arrangement allows the evacuation vessel and any conduit connecting the vacuum pump and evacuation vessel to the volume to first be evacuated without providing a vacuum to the volume. The valve arrangement also allows the volume to be connected to the evacuation vessel but cut-off from the vacuum pump so that at initial stages of the evacuation process for the volume dead air contained within the volume may be communicated to the evacuation vessel rather than drawn out by the vacuum pump. Once the dead air, or portions thereof, has been removed from the volume, the valve arrangement may cut-off communication with the evacuation vessel, establish communication between the vacuum pump and the volume, and allow the vacuum pump to provide negative air pressure to the volume so that the volume may be evacuated.
PCT/US2007/068756 2006-05-11 2007-05-11 System and method for evacuating a vacuum chamber WO2007149652A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74702006P 2006-05-11 2006-05-11
US60/747,020 2006-05-11

Publications (2)

Publication Number Publication Date
WO2007149652A2 WO2007149652A2 (en) 2007-12-27
WO2007149652A3 true WO2007149652A3 (en) 2008-08-28

Family

ID=38834199

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/068756 WO2007149652A2 (en) 2006-05-11 2007-05-11 System and method for evacuating a vacuum chamber

Country Status (2)

Country Link
US (2) US20070272310A1 (en)
WO (1) WO2007149652A2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446651B1 (en) * 1999-06-28 2002-09-10 Pfeiffer Vacuum Gmbh Multi-chamber vacuum system and a method of operating the same

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1139239B (en) * 1981-10-16 1986-09-24 Grace Italiana Spa VACUUM PACKAGING EQUIPMENT AND PROCEDURE
US4504194A (en) * 1982-05-24 1985-03-12 Varian Associates, Inc. Air lock vacuum pumping methods and apparatus
US4583347A (en) * 1982-10-07 1986-04-22 W. R. Grace & Co., Cryovac Div. Vacuum packaging apparatus and process
US4578928A (en) * 1983-07-06 1986-04-01 Acraloc Corporation High speed evacuation chamber packaging machine and method
JPS62182014A (en) * 1986-01-30 1987-08-10 株式会社　古川製作所 Vacuum packer
US4817365A (en) * 1987-11-13 1989-04-04 Owens-Corning Fiberglas Corporation Fibrous insulation batt packaging machine
JP2709461B2 (en) * 1988-02-12 1998-02-04 株式会社古川製作所 Vacuum packaging equipment
US4843796A (en) * 1988-03-22 1989-07-04 Ecs Corporation Method and apparatus for vacuum packaging
US5054266A (en) * 1988-09-01 1991-10-08 Bil-Mar Foods, Inc. Vacuum seal station for a vacuum packaging machine
US5009060A (en) * 1989-03-31 1991-04-23 Ecs Corporation Vacuum packaging apparatus
DE3916170A1 (en) * 1989-05-18 1990-11-22 Multivac Haggenmueller Kg VACUUM CHAMBER MACHINE
US5357996A (en) * 1990-08-18 1994-10-25 Oxford Glycosystems Limited Pressure regulating system
US5239808A (en) * 1992-05-13 1993-08-31 Hantover, Inc. Vacuum packaging machine
US5454214A (en) * 1993-10-27 1995-10-03 Lancaster; Paul B. Automatic vacuum packaging apparatus
WO1995029846A1 (en) * 1994-05-03 1995-11-09 Inauen Maschinen Ag Vacuum packaging machine
US5638664A (en) * 1995-07-17 1997-06-17 Hantover, Inc. Vacuum packaging apparatus
FR2773355B1 (en) * 1998-01-08 2000-03-17 Oreal PACKAGING AND DISPENSING DEVICE COMPRISING A VACUUM FILLED TANK AND MANUFACTURING METHOD
CN2373369Y (en) * 1998-06-09 2000-04-12 黄志坚 Integral forming packer with continuous large-area and multiple ingot
US20020083683A1 (en) * 2001-01-04 2002-07-04 Tadoru Suga Apparatus for continuously forming vacuum packaged body
US20030046907A1 (en) * 2001-08-08 2003-03-13 Costello Anthony William Packaging apparatus
GB0212757D0 (en) * 2002-05-31 2002-07-10 Boc Group Plc A vacuum pumping system and method of controlling the same
US20050205455A1 (en) * 2002-07-08 2005-09-22 Harrison Howard R Vacuum packaging system
US7021027B2 (en) * 2003-07-29 2006-04-04 Tilia International, Inc. Vacuum pump control and vacuum feedback
US6964519B2 (en) * 2003-07-30 2005-11-15 Erkenbrack Kenneth Beresford Atmospheric and/or differential pressure closure for an evacuable storage container
US20050172924A1 (en) * 2004-02-09 2005-08-11 Simon David N. Air management systems
DE102004044077A1 (en) * 2004-05-06 2005-11-24 Andreas Oesterlein Method for controlling a vacuum packaging machine and vacuum packaging machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446651B1 (en) * 1999-06-28 2002-09-10 Pfeiffer Vacuum Gmbh Multi-chamber vacuum system and a method of operating the same

Also Published As

Publication number Publication date
WO2007149652A2 (en) 2007-12-27
US20100116348A1 (en) 2010-05-13
US20070272310A1 (en) 2007-11-29

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