NL7311379A - - Google Patents
Info
- Publication number
- NL7311379A NL7311379A NL7311379A NL7311379A NL7311379A NL 7311379 A NL7311379 A NL 7311379A NL 7311379 A NL7311379 A NL 7311379A NL 7311379 A NL7311379 A NL 7311379A NL 7311379 A NL7311379 A NL 7311379A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- F15B20/008—Valve failure
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0409—Position sensing or feedback of the valve member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
- F15B2211/8636—Circuit failure, e.g. valve or hose failure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/875—Control measures for coping with failures
- F15B2211/8755—Emergency shut-down
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2240607A DE2240607C3 (de) | 1972-08-18 | 1972-08-18 | Elektrohydraulisch« Steuereinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7311379A true NL7311379A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-20 |
Family
ID=5853876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7311379A NL7311379A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-18 | 1973-08-17 |
Country Status (10)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5167887A (ja) * | 1974-12-11 | 1976-06-11 | Shin Meiwa Ind Co Ltd | Enkakusosasochi |
| JPS52160791U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-05-31 | 1977-12-06 | ||
| JPS54111126A (en) * | 1978-02-20 | 1979-08-31 | Toa Medical Electronics | Fluid control valve |
| JPS57146901A (en) * | 1981-03-04 | 1982-09-10 | Toshiba Mach Co Ltd | Pilot operating control valve |
| DE3110220A1 (de) * | 1981-03-17 | 1982-10-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische, insbesondere elektro-hydraulische ausbausteuerung fuer untertaegige gewinnungsbetriebe |
| GB2200001A (en) * | 1987-01-12 | 1988-07-20 | Duraplug Elect Ltd | Electric cable assembly with safety device |
| JP2844476B2 (ja) * | 1989-09-11 | 1999-01-06 | 株式会社ゼクセル | 油圧アクチュエータの制御方法 |
| US6930613B2 (en) * | 2000-03-21 | 2005-08-16 | Robert Gardner | Electrical instruments circuits |
| US7661439B2 (en) | 2006-02-07 | 2010-02-16 | Dresser, Inc. | Safety override circuit for pneumatic positioner and method of use thereof |
| WO2017079792A1 (en) * | 2015-11-09 | 2017-05-18 | Elite Attachments Australia Pty Ltd | A piston and cylinder system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390387A (en) * | 1963-02-21 | 1968-06-25 | Philips Corp | Fail-safe monitor alarm circuit |
| US3407340A (en) * | 1966-06-14 | 1968-10-22 | Westinghouse Air Brake Co | Fail-safe time delay relay |
| DE1807173A1 (de) * | 1968-11-06 | 1970-06-18 | Bosch Gmbh Robert | Einrichtung zur elektrohydraulischen Fernsteuerung hydraulischer Wegeventile |
| US3602772A (en) * | 1968-12-04 | 1971-08-31 | Wolf Geraete Gmbh | Protective circuit for electrically driven lawn mowers and the like |
-
1972
- 1972-08-18 DE DE2240607A patent/DE2240607C3/de not_active Expired
-
1973
- 1973-07-31 CH CH1113873A patent/CH551686A/xx not_active IP Right Cessation
- 1973-08-09 US US00387201A patent/US3831495A/en not_active Expired - Lifetime
- 1973-08-16 AT AT718073A patent/AT323075B/de active
- 1973-08-17 NL NL7311379A patent/NL7311379A/xx not_active Application Discontinuation
- 1973-08-17 SE SE7311245A patent/SE399306B/xx unknown
- 1973-08-17 GB GB3893973A patent/GB1427835A/en not_active Expired
- 1973-08-17 JP JP48092340A patent/JPS4951475A/ja active Pending
- 1973-08-17 IT IT27954/73A patent/IT993003B/it active
- 1973-08-20 FR FR7330205A patent/FR2196441B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2240607C3 (de) | 1979-04-12 |
| GB1427835A (en) | 1976-03-10 |
| SE399306B (sv) | 1978-02-06 |
| AT323075B (de) | 1975-06-25 |
| IT993003B (it) | 1975-09-30 |
| JPS4951475A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-18 |
| FR2196441A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-15 |
| CH551686A (de) | 1974-07-15 |
| FR2196441B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-12-03 |
| DE2240607B2 (de) | 1978-08-17 |
| DE2240607A1 (de) | 1974-02-28 |
| US3831495A (en) | 1974-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |