FI57172C - Saekerhetskoppling - Google Patents
Saekerhetskoppling Download PDFInfo
- Publication number
- FI57172C FI57172C FI1140/71A FI114071A FI57172C FI 57172 C FI57172 C FI 57172C FI 1140/71 A FI1140/71 A FI 1140/71A FI 114071 A FI114071 A FI 114071A FI 57172 C FI57172 C FI 57172C
- Authority
- FI
- Finland
- Prior art keywords
- piston
- valve
- pressure
- line
- cylinder
- 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
-
- 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
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
- F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
- F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/16—Trip gear
- F01D21/18—Trip gear involving hydraulic means
-
- 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
- F15B20/004—Fluid pressure supply failure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH751470A CH524076A (de) | 1970-05-21 | 1970-05-21 | Sicherheitsschaltung |
CH751470 | 1970-05-21 | ||
CH10171 | 1971-01-06 | ||
CH10171A CH533245A (de) | 1970-05-21 | 1971-01-06 | Sicherheitsschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
FI57172B FI57172B (fi) | 1980-02-29 |
FI57172C true FI57172C (fi) | 1980-06-10 |
Family
ID=25683520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI1140/71A FI57172C (fi) | 1970-05-21 | 1971-04-23 | Saekerhetskoppling |
Country Status (6)
Country | Link |
---|---|
US (1) | US3757646A (de) |
BE (1) | BE767456A (de) |
CA (1) | CA930283A (de) |
FI (1) | FI57172C (de) |
FR (1) | FR2090187B1 (de) |
GB (1) | GB1306786A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971296A (en) * | 1974-09-18 | 1976-07-27 | Kelor Limited | Pneumatic actuators |
US4034815A (en) * | 1975-03-20 | 1977-07-12 | Caterpillar Tractor Co. | Blade lift float circuit for motor graders |
US4147325A (en) * | 1977-03-29 | 1979-04-03 | Combustion Engineering, Inc. | Hydraulic control assembly |
CH636932A5 (de) * | 1979-06-22 | 1983-06-30 | Sulzer Ag | Sicherheitsschaltung mit einem doppeltwirkenden, fluidbetriebenen servomotor. |
US4313633A (en) * | 1979-07-11 | 1982-02-02 | Caterpillar Tractor Co. | Self adjusting actuator system |
WO1981000249A1 (en) * | 1979-07-11 | 1981-02-05 | J Muntjanoff | Self adjusting actuator system |
EP0496021B1 (de) * | 1991-01-25 | 1994-11-30 | Asea Brown Boveri Ag | Zuschaltventil und hydraulisches Sicherheits- und Kraftölsystem, in welchem das Zuschaltventil verwendet wird |
DE10058560A1 (de) * | 2000-11-24 | 2002-06-13 | Voith Turbo Kg | Elektrohydraulischer Stellantrieb |
DE102016102387A1 (de) | 2015-07-31 | 2017-02-02 | Voith Patent Gmbh | Hydraulischer Antrieb zum Ausführen einer linearen Bewegung |
CN109404065B (zh) * | 2018-10-12 | 2021-12-17 | 上海华电电力发展有限公司 | 防止主机汽门遮断电磁阀故障引起机组跳闸的控制方法 |
CN111288044B (zh) * | 2020-02-14 | 2021-11-30 | 三一汽车起重机械有限公司 | 液压系统和工程机械 |
CN113028077B (zh) * | 2021-02-26 | 2022-09-16 | 重庆市江北嘴水源空调有限公司 | 一种江水取水用阀门 |
JP7321201B2 (ja) | 2021-03-18 | 2023-08-04 | 三菱重工業株式会社 | 蒸気弁 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352334A (en) * | 1942-06-09 | 1944-06-27 | Macomber Thomas Wesson | Aircraft control system |
US2427549A (en) * | 1942-08-08 | 1947-09-16 | Weatherhead Co | Gyroscopic apparatus |
BE517780A (de) * | 1952-02-21 | |||
US2855900A (en) * | 1954-11-02 | 1958-10-14 | British Messier Ltd | Fluid pressure servo system with valve actuating means having a differential feel |
US3608431A (en) * | 1969-07-14 | 1971-09-28 | Lummus Industries | Control system for the ram of vertically disposed fluid pressure cylinders |
US3604313A (en) * | 1970-05-14 | 1971-09-14 | Gen Signal Corp | Hydraulic power circuit with rapid lowering provisions |
-
1971
- 1971-04-23 FI FI1140/71A patent/FI57172C/fi active
- 1971-05-11 US US00142192A patent/US3757646A/en not_active Expired - Lifetime
- 1971-05-12 GB GB1146571*[A patent/GB1306786A/en not_active Expired
- 1971-05-19 FR FR7118162A patent/FR2090187B1/fr not_active Expired
- 1971-05-20 CA CA113497A patent/CA930283A/en not_active Expired
- 1971-05-21 BE BE767456A patent/BE767456A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1306786A (en) | 1973-02-14 |
FI57172B (fi) | 1980-02-29 |
FR2090187A1 (de) | 1972-01-14 |
US3757646A (en) | 1973-09-11 |
BE767456A (fr) | 1971-11-22 |
CA930283A (en) | 1973-07-17 |
FR2090187B1 (de) | 1975-07-04 |
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