FI57172C - Saekerhetskoppling - Google Patents

Saekerhetskoppling Download PDF

Info

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
Application number
FI1140/71A
Other languages
English (en)
Finnish (fi)
Other versions
FI57172B (fi
Inventor
Rudolf Rohner
Original Assignee
Sulzer 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
Priority claimed from CH751470A external-priority patent/CH524076A/de
Application filed by Sulzer Ag filed Critical Sulzer Ag
Publication of FI57172B publication Critical patent/FI57172B/fi
Application granted granted Critical
Publication of FI57172C publication Critical patent/FI57172C/fi

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)
FI1140/71A 1970-05-21 1971-04-23 Saekerhetskoppling FI57172C (fi)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
FI57172C (fi) Saekerhetskoppling
US3906991A (en) Hydraulic lowering check valve
US4475710A (en) Electro-hydraulic control actuator for turbine valves
US4129141A (en) Scram valve
RU96110210A (ru) Серводвигатель, в частности, клапана автоматического затвора
EP0513360A4 (en) Hydraulic circuit system
GB1206381A (en) Anti-cavitation means for hydraulic motors
GB1599196A (en) Control apparatus for an hydraulic working implement
CZ278203B6 (en) Pilot valve of a mechanical support hydraulic prop
JP4992732B2 (ja) 試験機
US4955461A (en) Valve system for preventing uncontrolled descent in fork lift trucks
US4344354A (en) Valve arrangement for controlling the stroke of a telescoping prop
GB2092717A (en) Hydraulic control valve assembly
SE7902627L (sv) Hydraulisk riktningsventil
US4112822A (en) Pressure responsive sequencing device
US4271749A (en) Reduced back pressure, anti-cavitation valve system
JPS5551103A (en) Solenoid operated selector valve
US3451667A (en) Self-contained die cushion with air saver
GB2042135A (en) Hydraulic control valves
JPS5551104A (en) Solenoid operated selector valve
US3385558A (en) Control device for a flow gate
CN106246642A (zh) 一种对液控阀的控制油路实施单独控制的锁紧回路
FI74116B (fi) Hydraulisk snabbgaongkrets.
SU893582A1 (ru) Система управлени гидравлическим прессом
SU953326A1 (ru) Клапан