CA2034755A1 - Two stage automatic shut off valve - Google Patents

Two stage automatic shut off valve

Info

Publication number
CA2034755A1
CA2034755A1 CA2034755A CA2034755A CA2034755A1 CA 2034755 A1 CA2034755 A1 CA 2034755A1 CA 2034755 A CA2034755 A CA 2034755A CA 2034755 A CA2034755 A CA 2034755A CA 2034755 A1 CA2034755 A1 CA 2034755A1
Authority
CA
Canada
Prior art keywords
valve
stage
tank
automatic shut
closure
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
CA2034755A
Other languages
French (fr)
Other versions
CA2034755C (en
Inventor
Bruce Johnson
Robert P. Whitney
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.)
EBW Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2034755A1 publication Critical patent/CA2034755A1/en
Application granted granted Critical
Publication of CA2034755C publication Critical patent/CA2034755C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/26—Overfill prevention
    • 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
    • Y10T137/5762—With leakage or drip collecting
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7329—With supplemental or safety closing means or bias
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7404—Plural floats
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7423—Rectilinearly traveling float
    • Y10T137/7426—Float co-axial with valve or port
    • Y10T137/7433—Float surrounds inlet pipe
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7485—Pivoted valve

Abstract

TWO STAGE AUTOMATIC SHUT OFF VALVE

ABSTRACT
A shut off valve assembly for preventing overfilling of an underground fuel storage tank or other storage tanks where the incoming flow is not metered, utilizes a two stage valve closure, the first stage closure signaling the tank is nearly filled to capacity and the second stage closure subsequently completely stopping flow into the tank.
CA002034755A 1990-06-06 1991-01-22 Two stage automatic shut off valve Expired - Lifetime CA2034755C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US534,442 1990-06-06
US07/534,442 US5010915A (en) 1990-06-06 1990-06-06 Two stage automatic shut off valve

Publications (2)

Publication Number Publication Date
CA2034755A1 true CA2034755A1 (en) 1991-12-07
CA2034755C CA2034755C (en) 1994-10-25

Family

ID=24130050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002034755A Expired - Lifetime CA2034755C (en) 1990-06-06 1991-01-22 Two stage automatic shut off valve

Country Status (3)

Country Link
US (1) US5010915A (en)
AU (1) AU636700B2 (en)
CA (1) CA2034755C (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141019A (en) * 1990-06-06 1992-08-25 Ebw, Inc. Two stage automatic shutoff valve
DE69323518T2 (en) * 1992-09-23 1999-06-17 Fisher & Paykel Humidifier with double float valves
US5388622A (en) * 1993-11-03 1995-02-14 Ebw, Inc. Automatic shutoff valve
US5427137A (en) * 1993-12-15 1995-06-27 Bowen; James H. Fluid shut off valve and fill level indication
US5850849A (en) * 1994-01-14 1998-12-22 Dover Corporation Storage tank shutoff valve with double cam assembly
US5472012A (en) * 1994-01-14 1995-12-05 Dover Corporation Storage tank shutoff valve
US5564464A (en) * 1994-07-25 1996-10-15 Dover Corporation Storage tank shut-off valve
US5590697A (en) * 1994-08-24 1997-01-07 G. T. Products, Inc. Onboard vapor recovery system with two-stage shutoff valve
AU692900B2 (en) * 1994-09-07 1998-06-18 Caroma Industries Limited A float for a cistern
US5522415A (en) * 1994-12-19 1996-06-04 Hopenfeld; Joram Automatic shut-off valve for liquid storage tanks and method of installation
US5518024A (en) * 1995-06-07 1996-05-21 Emco Wheaton, Inc. Overfill prevention device for storage tanks
US5655565A (en) * 1996-02-14 1997-08-12 Ebw, Inc. Above-ground tank auto-limiter
US5839465A (en) * 1997-04-09 1998-11-24 Ebw, Inc. Above-ground tank auto-limiter
US6523564B1 (en) * 2000-05-19 2003-02-25 Ebw, Inc. Above ground overfill valve
GB2380992B (en) * 2001-10-22 2005-04-27 Risbridger Ltd Float operated overfill protection device
CA2507101A1 (en) * 2004-05-19 2005-11-19 Sunoco Partners Marketing & Terminals L.P. Tanker overfill protection system
US20110036428A1 (en) * 2009-08-17 2011-02-17 Lynn Charles G Liquid distribution system
FR2994425B1 (en) * 2012-08-07 2015-06-19 Lafon IMPROVED FILLING LIMITER FOR A LIQUID STORAGE TANK
DE202012007548U1 (en) * 2012-08-08 2012-09-05 Dezidata Gmbh Überfüllschutzsystem
WO2014042913A2 (en) * 2012-09-14 2014-03-20 Franklin Fueling Systems, Inc. Drop tube segment
CN109323026A (en) * 2018-08-24 2019-02-12 河南环发工程有限公司 A kind of underground swing type draws water recharge automatic transfer valve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299360A (en) * 1941-02-10 1942-10-20 Alvin S Tharp Shutoff valve for storage tanks
US2569110A (en) * 1946-10-22 1951-09-25 John J Mcgillis Liquid control for storage tanks
US2578926A (en) * 1947-12-05 1951-12-18 Wallace R Douglas Automatic shutoff for filling spouts
US2773706A (en) * 1952-10-10 1956-12-11 E B Wiggins Oil Tool Co Inc Valved coupling
US3078867A (en) * 1961-06-21 1963-02-26 John J Mcgillis Liquid delivery control
US3732902A (en) * 1971-03-10 1973-05-15 J Muller Filling device for preventing overflow of liquid-containing tanks
DE2135840A1 (en) * 1971-07-17 1973-02-08 Baum Verfahrenstechnik ADJUSTABLE VENTURAL HEAD FOR CLEANING FURNACE GAS
US3963041A (en) * 1974-02-27 1976-06-15 Mcgillis Engineering, Inc. Safety shutoff valve
FR2437557A1 (en) * 1978-09-28 1980-04-25 Petit & Cie A TANK FILL LIMITER
US4667711A (en) * 1984-05-10 1987-05-26 Draft Roger A Tank overfill valve
US4793387A (en) * 1987-09-08 1988-12-27 Enterprise Brass Works, Inc. Overfill spillage protection device

Also Published As

Publication number Publication date
US5010915A (en) 1991-04-30
CA2034755C (en) 1994-10-25
AU6983391A (en) 1991-12-12
AU636700B2 (en) 1993-05-06

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry