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
Application granted granted Critical
Publication of FI57172B publication Critical patent/FI57172B/fi
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)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
FI1140/71A 1970-05-21 1971-04-23 Saekerhetskoppling FI57172C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH751470 1970-05-21
CH751470A CH524076A (de) 1970-05-21 1970-05-21 Sicherheitsschaltung
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE767456A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA930283A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI57172C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2090187B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1306786A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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.
WO1981000249A1 (en) * 1979-07-11 1981-02-05 J Muntjanoff Self adjusting actuator system
US4313633A (en) * 1979-07-11 1982-02-02 Caterpillar Tractor Co. Self adjusting actuator system
DE59103692D1 (de) * 1991-01-25 1995-01-12 Asea Brown Boveri 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
CA930283A (en) 1973-07-17
US3757646A (en) 1973-09-11
FI57172B (fi) 1980-02-29
BE767456A (fr) 1971-11-22
FR2090187B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-04
FR2090187A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-01-14
GB1306786A (en) 1973-02-14

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