FR2670825B1 - Obturateur a grille, notamment de turbine a vapeur. - Google Patents

Obturateur a grille, notamment de turbine a vapeur.

Info

Publication number
FR2670825B1
FR2670825B1 FR9015947A FR9015947A FR2670825B1 FR 2670825 B1 FR2670825 B1 FR 2670825B1 FR 9015947 A FR9015947 A FR 9015947A FR 9015947 A FR9015947 A FR 9015947A FR 2670825 B1 FR2670825 B1 FR 2670825B1
Authority
FR
France
Prior art keywords
steam turbine
especially steam
grid shutter
shutter
grid
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.)
Expired - Lifetime
Application number
FR9015947A
Other languages
English (en)
Other versions
FR2670825A1 (fr
Inventor
Martial Naudin
Jean Vernizeau
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.)
Areva NP SAS
Original Assignee
Framatome SA
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 Framatome SA filed Critical Framatome SA
Priority to FR9015947A priority Critical patent/FR2670825B1/fr
Publication of FR2670825A1 publication Critical patent/FR2670825A1/fr
Application granted granted Critical
Publication of FR2670825B1 publication Critical patent/FR2670825B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
    • F16K3/085—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR9015947A 1990-12-19 1990-12-19 Obturateur a grille, notamment de turbine a vapeur. Expired - Lifetime FR2670825B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9015947A FR2670825B1 (fr) 1990-12-19 1990-12-19 Obturateur a grille, notamment de turbine a vapeur.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015947A FR2670825B1 (fr) 1990-12-19 1990-12-19 Obturateur a grille, notamment de turbine a vapeur.

Publications (2)

Publication Number Publication Date
FR2670825A1 FR2670825A1 (fr) 1992-06-26
FR2670825B1 true FR2670825B1 (fr) 1994-12-30

Family

ID=9403419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9015947A Expired - Lifetime FR2670825B1 (fr) 1990-12-19 1990-12-19 Obturateur a grille, notamment de turbine a vapeur.

Country Status (1)

Country Link
FR (1) FR2670825B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708700B1 (fr) * 1993-07-30 1995-10-20 Framatome Sa Obturateur à grille, par exemple de turbine à vapeur.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2254268A (en) * 1939-01-06 1941-09-02 Walter L Church Valve
SU468021A1 (ru) * 1972-04-10 1975-04-25 Предприятие П/Я В-8670 Распределитель

Also Published As

Publication number Publication date
FR2670825A1 (fr) 1992-06-26

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