ATE44811T1 - Ausfallsicherungsventilbetaetigungsvorrichtung. - Google Patents

Ausfallsicherungsventilbetaetigungsvorrichtung.

Info

Publication number
ATE44811T1
ATE44811T1 AT86101043T AT86101043T ATE44811T1 AT E44811 T1 ATE44811 T1 AT E44811T1 AT 86101043 T AT86101043 T AT 86101043T AT 86101043 T AT86101043 T AT 86101043T AT E44811 T1 ATE44811 T1 AT E44811T1
Authority
AT
Austria
Prior art keywords
valve actuator
fail safe
safe valve
fail
actuator
Prior art date
Application number
AT86101043T
Other languages
English (en)
Inventor
Michael Andrew Karr Jr
John Marcus Zwiegel
Original Assignee
Vetco Gray 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
Priority claimed from US06/738,921 external-priority patent/US4643390A/en
Application filed by Vetco Gray Inc filed Critical Vetco Gray Inc
Application granted granted Critical
Publication of ATE44811T1 publication Critical patent/ATE44811T1/de

Links

AT86101043T 1985-02-26 1986-01-27 Ausfallsicherungsventilbetaetigungsvorrichtung. ATE44811T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US70557685A 1985-02-26 1985-02-26
US06/738,921 US4643390A (en) 1985-02-26 1985-05-29 Fail-safe valve actuator
EP86101043A EP0192973B1 (de) 1985-02-26 1986-01-27 Ausfallsicherungsventilbetätigungsvorrichtung

Publications (1)

Publication Number Publication Date
ATE44811T1 true ATE44811T1 (de) 1989-08-15

Family

ID=27228824

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86101043T ATE44811T1 (de) 1985-02-26 1986-01-27 Ausfallsicherungsventilbetaetigungsvorrichtung.

Country Status (1)

Country Link
AT (1) ATE44811T1 (de)

Similar Documents

Publication Publication Date Title
NO864786D0 (no) Sikkerhetsventil.
NO854984L (no) Solenoidlaast sikkerhetsventil.
IT8622143A0 (it) Valvola di controllo.
DE3673240D1 (de) Elektromagnetventil.
DE3669380D1 (de) Ventilsteuerungssystem.
DE3677924D1 (de) Ventil.
DE3668230D1 (de) Siliziumventil.
DE3678742D1 (de) Einspritzventil.
DE3667841D1 (de) Ventilzusammenbau.
DE3673089D1 (de) Ventildeckel.
NL193733B (nl) Vlinderklep.
DE3688321D1 (de) Entspannungsventil.
DE3672297D1 (de) Druckansprechendes servoventil.
NO160672C (no) Ventilaktuator.
DE3684522D1 (de) Herzklappe.
DE68917042D1 (de) Hochtemperatur-Sicherheitsventil.
NO161875C (no) Aktuator for sluseventil.
DE3671090D1 (de) Notausloesbares absperrventil.
NO860335L (no) Flerveis/toveis sluseventil.
FI885077A7 (fi) Ventilsammansaettning.
DE3672298D1 (de) Ventil.
NO854866L (no) Feilsikker broennsikkerhetsventil.
FI870488A7 (fi) Manoeverventil.
NO851671L (no) Hydraulisk aktuator.
NL190206C (nl) Reduceerklep.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee