IT1038117B - Sistema di chiusura ad azione sicura per valvola a disco libero oscillante - Google Patents
Sistema di chiusura ad azione sicura per valvola a disco libero oscillanteInfo
- Publication number
- IT1038117B IT1038117B IT23263/75A IT2326375A IT1038117B IT 1038117 B IT1038117 B IT 1038117B IT 23263/75 A IT23263/75 A IT 23263/75A IT 2326375 A IT2326375 A IT 2326375A IT 1038117 B IT1038117 B IT 1038117B
- Authority
- IT
- Italy
- Prior art keywords
- locking system
- disc valve
- safe action
- action locking
- free disc
- Prior art date
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
- F16K17/02—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
- F16K17/10—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 with auxiliary valve for fluid operation of the main valve
- F16K17/105—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 with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
-
- 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
- F01D17/145—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 by means of valves, e.g. for steam turbines
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Turbines (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46993074A | 1974-05-14 | 1974-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1038117B true IT1038117B (it) | 1979-11-20 |
Family
ID=23865597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23263/75A IT1038117B (it) | 1974-05-14 | 1975-05-13 | Sistema di chiusura ad azione sicura per valvola a disco libero oscillante |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5514946B2 (xx) |
BE (1) | BE828992A (xx) |
CA (1) | CA1038260A (xx) |
CH (1) | CH594155A5 (xx) |
DE (1) | DE2521193A1 (xx) |
ES (1) | ES437278A1 (xx) |
FR (1) | FR2271476B1 (xx) |
GB (1) | GB1466838A (xx) |
IT (1) | IT1038117B (xx) |
NL (1) | NL7505070A (xx) |
SE (1) | SE412103B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687131B2 (ja) * | 1986-12-25 | 1994-11-02 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
DE4320937A1 (de) * | 1993-06-24 | 1995-01-05 | Abb Management Ag | Stellantrieb für ein Regelventil |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2127281A5 (xx) * | 1971-03-03 | 1972-10-13 | Ellingsen Karl |
-
1975
- 1975-04-24 CA CA225,382A patent/CA1038260A/en not_active Expired
- 1975-04-29 NL NL7505070A patent/NL7505070A/xx not_active Application Discontinuation
- 1975-04-30 ES ES437278A patent/ES437278A1/es not_active Expired
- 1975-05-12 JP JP5479375A patent/JPS5514946B2/ja not_active Expired
- 1975-05-13 DE DE19752521193 patent/DE2521193A1/de not_active Withdrawn
- 1975-05-13 CH CH612375A patent/CH594155A5/xx not_active IP Right Cessation
- 1975-05-13 BE BE156279A patent/BE828992A/xx not_active IP Right Cessation
- 1975-05-13 GB GB2010375A patent/GB1466838A/en not_active Expired
- 1975-05-13 IT IT23263/75A patent/IT1038117B/it active
- 1975-05-13 FR FR7514826A patent/FR2271476B1/fr not_active Expired
- 1975-05-14 SE SE7505541A patent/SE412103B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE7505541L (sv) | 1975-11-17 |
NL7505070A (nl) | 1975-11-18 |
CA1038260A (en) | 1978-09-12 |
FR2271476B1 (xx) | 1980-04-11 |
SE412103B (sv) | 1980-02-18 |
ES437278A1 (es) | 1977-01-16 |
CH594155A5 (xx) | 1977-12-30 |
GB1466838A (en) | 1977-03-09 |
JPS50156036A (xx) | 1975-12-16 |
DE2521193A1 (de) | 1975-11-27 |
FR2271476A1 (xx) | 1975-12-12 |
JPS5514946B2 (xx) | 1980-04-19 |
BE828992A (fr) | 1975-11-13 |
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