IT1079422B - Dispositivo per evitare la sovra pressione nella scatola di dispositivi di chiusura - Google Patents

Dispositivo per evitare la sovra pressione nella scatola di dispositivi di chiusura

Info

Publication number
IT1079422B
IT1079422B IT50618/77A IT5061877A IT1079422B IT 1079422 B IT1079422 B IT 1079422B IT 50618/77 A IT50618/77 A IT 50618/77A IT 5061877 A IT5061877 A IT 5061877A IT 1079422 B IT1079422 B IT 1079422B
Authority
IT
Italy
Prior art keywords
box
closing devices
avoid over
over pressure
avoid
Prior art date
Application number
IT50618/77A
Other languages
English (en)
Original Assignee
Babcock Ag
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 Babcock Ag filed Critical Babcock Ag
Application granted granted Critical
Publication of IT1079422B publication Critical patent/IT1079422B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0473—Multiple-way safety valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/04—Devices for relieving the pressure on the sealing faces for sliding valves
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7832—Plural valves biased closed
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7835—Valve seating in direction of flow
    • Y10T137/7836—Flexible diaphragm or bellows reactor
IT50618/77A 1976-11-15 1977-08-10 Dispositivo per evitare la sovra pressione nella scatola di dispositivi di chiusura IT1079422B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2651986A DE2651986C2 (de) 1976-11-15 1976-11-15 Einrichtung zur Vermeidung eines Überdruckes im Gehäuse von Absperreinrichtungen

Publications (1)

Publication Number Publication Date
IT1079422B true IT1079422B (it) 1985-05-13

Family

ID=5993176

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50618/77A IT1079422B (it) 1976-11-15 1977-08-10 Dispositivo per evitare la sovra pressione nella scatola di dispositivi di chiusura

Country Status (14)

Country Link
US (1) US4193418A (it)
AT (1) AT369149B (it)
BE (1) BE860845A (it)
CH (1) CH622328A5 (it)
CS (1) CS192493B2 (it)
DD (1) DD132997A1 (it)
DE (1) DE2651986C2 (it)
DK (1) DK408877A (it)
FR (1) FR2370914A1 (it)
GB (1) GB1552400A (it)
IT (1) IT1079422B (it)
NL (1) NL180538C (it)
SE (1) SE432142B (it)
SU (1) SU757126A3 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2858185C2 (de) * 1978-02-17 1985-05-15 C.H. Zikesch GmbH Maschinen- und Apparatebau, 4100 Duisburg Ventil für wechselnde Durchströmrichtungen
DE2806737C2 (de) * 1978-02-17 1984-06-28 C.H. Zikesch GmbH Maschinen- und Apparatebau, 4100 Duisburg Ventil, insbesondere für Hochdruckdampf
DE3403379A1 (de) * 1984-02-01 1985-08-01 Deutsche Babcock Werke AG, 4200 Oberhausen Einrichtung zur vermeidung eines ueberdrucks im gehaeuse von absperreinrichtungen
DE3537341C2 (de) * 1985-10-19 1997-04-30 Sempell Ag Ventil zur Druckentlastung eines eingesperrten Druckmittelvolumens
FR2724003B1 (fr) * 1994-08-31 1996-10-18 Alsthom Velan Dispositif trois voies d'equilibrage de pression
US9976663B2 (en) * 2010-05-26 2018-05-22 Petrolvalves S.P.A. Intelligent pressure relief device for a double isolation valve
US8267112B2 (en) * 2010-08-06 2012-09-18 Globe Union Industrial Corp. Automatic water distributor
CN102060196B (zh) * 2010-11-29 2013-05-29 张家港市神农药机有限公司 粉体进出料装置
CN103453177B (zh) * 2013-08-13 2016-01-20 集美大学 一种双管路液压保险阀
US10578221B2 (en) * 2016-10-11 2020-03-03 Precision Planting Llc Flow divider

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042523A (en) * 1934-05-31 1936-06-02 Kelvinator Corp Refrigerating apparatus
US2661757A (en) * 1951-12-18 1953-12-08 Fluid Systems Inc Control apparatus for dividing fluid flow mechanisms
US2827077A (en) * 1956-01-16 1958-03-18 Mitchell Co John E Flow control valve
US3273590A (en) * 1964-06-04 1966-09-20 Bendix Corp Pressure responsive valve having a uniformly progressive and smooth opening characteristic
US3495611A (en) * 1966-05-09 1970-02-17 Akad Wissenschaften Ddr Pneumatic switch
US3751988A (en) * 1971-03-30 1973-08-14 Mary Catholeene Reese Differential pressure responsive device
US3823556A (en) * 1971-05-19 1974-07-16 Toyota Motor Co Ltd Change-over valve assembly for a gas passageway

Also Published As

Publication number Publication date
SU757126A3 (en) 1980-08-15
FR2370914A1 (fr) 1978-06-09
DE2651986C2 (de) 1982-09-09
US4193418A (en) 1980-03-18
FR2370914B1 (it) 1980-08-22
DK408877A (da) 1978-05-16
CH622328A5 (it) 1981-03-31
CS192493B2 (en) 1979-08-31
AT369149B (de) 1982-12-10
ATA534977A (de) 1982-04-15
SE7709077L (sv) 1978-05-16
NL7709206A (nl) 1978-05-17
GB1552400A (en) 1979-09-12
NL180538B (nl) 1986-10-01
NL180538C (nl) 1987-03-02
DD132997A1 (de) 1978-11-22
DE2651986A1 (de) 1978-05-18
SE432142B (sv) 1984-03-19
BE860845A (fr) 1978-03-16

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