IT8420373A0 - Monitore perfezionato per valvole doppie di sicurezza. - Google Patents

Monitore perfezionato per valvole doppie di sicurezza.

Info

Publication number
IT8420373A0
IT8420373A0 IT8420373A IT2037384A IT8420373A0 IT 8420373 A0 IT8420373 A0 IT 8420373A0 IT 8420373 A IT8420373 A IT 8420373A IT 2037384 A IT2037384 A IT 2037384A IT 8420373 A0 IT8420373 A0 IT 8420373A0
Authority
IT
Italy
Prior art keywords
safety valves
double safety
improved monitor
monitor
improved
Prior art date
Application number
IT8420373A
Other languages
English (en)
Other versions
IT1173559B (it
Inventor
Douglas Magnus Thornton
Logan Harold Mathis
Original Assignee
Ross Operating Valve Co
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 Ross Operating Valve Co filed Critical Ross Operating Valve Co
Publication of IT8420373A0 publication Critical patent/IT8420373A0/it
Application granted granted Critical
Publication of IT1173559B publication Critical patent/IT1173559B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/14—Control arrangements for mechanically-driven presses
    • B30B15/142—Control arrangements for mechanically-driven presses controlling the brake or the clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/001—Double valve requiring the use of both hands simultaneously
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87209—Electric
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87217—Motor
    • Y10T137/87225—Fluid motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Presses (AREA)
IT20373/84A 1983-04-05 1984-04-03 Monitore perfezionato per valvole doppie di sicurezza IT1173559B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/482,135 US4542767A (en) 1983-04-05 1983-04-05 Monitor for double safety valves

Publications (2)

Publication Number Publication Date
IT8420373A0 true IT8420373A0 (it) 1984-04-03
IT1173559B IT1173559B (it) 1987-06-24

Family

ID=23914837

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20373/84A IT1173559B (it) 1983-04-05 1984-04-03 Monitore perfezionato per valvole doppie di sicurezza

Country Status (10)

Country Link
US (1) US4542767A (it)
JP (1) JPS59205088A (it)
BR (1) BR8401573A (it)
CA (1) CA1227990A (it)
DD (1) DD218934A5 (it)
DE (1) DE3410426A1 (it)
FR (1) FR2544048B1 (it)
GB (1) GB2137737B (it)
IT (1) IT1173559B (it)
MX (1) MX159643A (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615369C2 (de) * 1986-05-06 1995-11-16 Herion Werke Kg Sicherheitsventil
US4733691A (en) * 1987-05-05 1988-03-29 Konan Electric Co., Ltd. Solenoid valve
US5113907A (en) * 1991-01-29 1992-05-19 Ross Operating Valve Company Dynamic self-monitoring air operating system
DE4219679C1 (de) * 1992-06-16 1993-12-16 Hella Kg Hueck & Co Ventilanordnung
SE505573C2 (sv) * 1995-12-19 1997-09-15 Ross Operating Valve Co Styranordning med självkontroll av styranordningens komponenter vid varje styrningsoperation
ES2128920B1 (es) * 1996-02-02 1999-12-16 Coop Goizper S Sistema hidraulico para el control de frenos, embragues y frenos-embragues.
SE9600697L (sv) * 1996-02-23 1997-03-24 Ross Operating Valve Co Återinkopplingsspärr för ett i varje arbetscykel självkontrollerande styrdon
IT1282395B1 (it) * 1996-05-02 1998-03-20 G P A Italiana S P A Valvola di sicurezza per apparecchiature funzionanti con fluido in pressione
DE19620468A1 (de) * 1996-05-21 1997-11-27 Herion Technomatic Ag Aesch Verfahren und Vorrichtung zum Überwachen der Funktionsabläufe in einem Ventil
US5799561A (en) * 1996-07-15 1998-09-01 Ross Operating Valve Company Control device
US5927324A (en) * 1996-12-16 1999-07-27 Ross Operating Valve Company Cross flow with crossmirror and lock out capability valve
US6155293A (en) 1996-12-16 2000-12-05 Ross Operating Valve Company Double valve with anti-tiedown capability
US6478049B2 (en) 1996-12-16 2002-11-12 Ross Operating Valve Company Double valve with anti-tiedown capability
US5850852A (en) * 1996-12-16 1998-12-22 Ross Operating Valve Company Crossflow with crossmirror and lock out capability valve
DE10113414C2 (de) * 2001-03-20 2003-04-24 Fette Wilhelm Gmbh Vorrichtung zum Aussortieren von Tabletten in einer Rundläufer-Tablettenpresse
DE60217753T2 (de) 2001-05-04 2007-11-15 Ross Operating Valve Co., Troy Steuerventilsystem
US7114521B2 (en) * 2003-09-03 2006-10-03 Ross Operating Valve Company Double valve constructed from unitary single valves
US6840259B1 (en) * 2003-09-12 2005-01-11 Ross Operating Valve Company Dynamically-monitored double valve with retained memory of valve states
US6840258B1 (en) * 2003-09-12 2005-01-11 Ross Operating Valve Company Dynamically-monitored double valve with anti-tiedown feature
US6830066B1 (en) 2003-10-10 2004-12-14 Ross Operating Valve Co. Valve with positively driven sensing switch connection
US20050284525A1 (en) * 2004-06-25 2005-12-29 Schnell Richard E Manually-operated piloted control-reliable lockout valve
US7328719B2 (en) * 2004-08-10 2008-02-12 Ross Operating Valve Company Valve state sensing module
US8028717B2 (en) * 2007-10-04 2011-10-04 Ross Operating Valve Company High throughput double valve with reduced outlet pressure during a faulted state
CN102878325A (zh) * 2012-10-18 2013-01-16 无锡市拓发自控设备有限公司 组合气动回转接头的二位三通电磁阀
US10233951B2 (en) 2016-10-05 2019-03-19 Caterpillar Inc. Method to detect uncommanded spool valve positioning and stop fluid flow to hydraulic actuators
JP7148323B2 (ja) * 2018-08-24 2022-10-05 アズビルＴａｃｏ株式会社 クロスフロー型デュアルバルブおよびクロスフロー型デュアルバルブの筐体の製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31161A (en) 1861-01-22 Hub-machine
US28520A (en) 1860-05-29 Locomotive-boiler
DD41174A3 (it) * 1961-11-08 1965-11-05
DE2002890C3 (de) * 1970-01-23 1974-06-06 Woroneschskij Ordena Trudowowo Krasnowo Snameni Sawod Kusnetschno-Pressowowo Oborudowanija Imeni M.I. Kalinina, Woronesch (Sowjetunion) Doppeltes Dreiwegeventil als Sicherheitssteuerung
GB1294747A (en) * 1970-04-02 1972-11-01 Voron Zd Kuznechno Pressovogo Three-way duplex valve
US3670767A (en) * 1971-03-08 1972-06-20 Danly Machine Corp Safety valve assembly for controlling clutch and brake in power press or the like
US3757818A (en) * 1971-07-26 1973-09-11 Ross Operating Valve Co Safety control valve system for fluid actuated devices
US3858606A (en) * 1973-08-23 1975-01-07 Ross Operating Valve Co Safety control valve system for fluid actuated devices
DE2750895A1 (de) * 1977-11-14 1979-05-17 Technomatic Ag Aesch Sicherheitsventil
DE2756240C2 (de) * 1977-12-16 1985-12-19 Technomatic AG, Aesch, Luzern Sicherheitsventil für druckmittelbetriebene Verbraucher
DD136524A5 (de) * 1977-12-16 1979-07-11 Technomatic Ag Sicherheitsventil
DE2930571A1 (de) * 1979-07-27 1981-02-12 Technomatic Ag Aesch Sicherheitsventil
US4257455A (en) * 1979-09-06 1981-03-24 Ross Operating Valve Company Double safety valve for stamping presses and the like

Also Published As

Publication number Publication date
US4542767A (en) 1985-09-24
DE3410426C2 (it) 1993-01-21
GB2137737B (en) 1986-08-06
FR2544048A1 (fr) 1984-10-12
MX159643A (es) 1989-07-20
JPH029230B2 (it) 1990-03-01
JPS59205088A (ja) 1984-11-20
GB2137737A (en) 1984-10-10
CA1227990A (en) 1987-10-13
DE3410426A1 (de) 1984-10-11
GB8406864D0 (en) 1984-04-18
DD218934A5 (de) 1985-02-20
BR8401573A (pt) 1984-11-13
IT1173559B (it) 1987-06-24
FR2544048B1 (fr) 1988-04-22

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423