FR2160454A1 - - Google Patents
Info
- Publication number
- FR2160454A1 FR2160454A1 FR7240368A FR7240368A FR2160454A1 FR 2160454 A1 FR2160454 A1 FR 2160454A1 FR 7240368 A FR7240368 A FR 7240368A FR 7240368 A FR7240368 A FR 7240368A FR 2160454 A1 FR2160454 A1 FR 2160454A1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Granted
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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2156841A DE2156841C2 (de) | 1971-11-16 | 1971-11-16 | Ventilkombination fur Hydraulik anlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2160454A1 true FR2160454A1 (it) | 1973-06-29 |
| FR2160454B1 FR2160454B1 (it) | 1976-01-30 |
Family
ID=5825278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7240368A Expired FR2160454B1 (it) | 1971-11-16 | 1972-11-14 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5330174B2 (it) |
| BE (1) | BE791090A (it) |
| CH (1) | CH546894A (it) |
| DD (1) | DD101206A5 (it) |
| DE (1) | DE2156841C2 (it) |
| DK (1) | DK138667C (it) |
| FR (1) | FR2160454B1 (it) |
| GB (1) | GB1393450A (it) |
| IT (1) | IT975410B (it) |
| NL (1) | NL7215186A (it) |
| SE (1) | SE381718B (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896702A (en) * | 1973-07-27 | 1975-07-29 | Trw Inc | Power steering gear with relief valve on power piston |
| JPS61609Y2 (it) * | 1976-03-18 | 1986-01-10 | ||
| DE2934100C2 (de) * | 1979-08-23 | 1983-11-24 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydrostatische Hilfskraftlenkung |
| DE3246137C2 (de) * | 1982-12-14 | 1985-02-14 | Danfoss A/S, Nordborg | Hydrostatische Lenkeinrichtung |
| DE3527371C2 (de) * | 1985-07-31 | 1994-05-11 | Teves Gmbh Alfred | Druckbetätigtes Umschaltventil |
| US6964163B2 (en) * | 2003-11-10 | 2005-11-15 | Sauer-Danfoss, Inc. | Dual check-relief valve |
| CN106885022B (zh) * | 2017-03-15 | 2023-01-10 | 浙江美德机械有限公司 | 一种井口安全紧急截断装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1994974A (en) * | 1930-06-21 | 1935-03-19 | Oilgear Co | Differential resistance valve |
-
0
- BE BE791090D patent/BE791090A/xx unknown
-
1971
- 1971-11-16 DE DE2156841A patent/DE2156841C2/de not_active Expired
-
1972
- 1972-10-24 CH CH1563372A patent/CH546894A/xx not_active IP Right Cessation
- 1972-10-30 IT IT70410/72A patent/IT975410B/it active
- 1972-10-30 SE SE7214017A patent/SE381718B/xx unknown
- 1972-11-09 NL NL7215186A patent/NL7215186A/xx not_active Application Discontinuation
- 1972-11-14 DD DD166845A patent/DD101206A5/xx unknown
- 1972-11-14 FR FR7240368A patent/FR2160454B1/fr not_active Expired
- 1972-11-15 JP JP11462072A patent/JPS5330174B2/ja not_active Expired
- 1972-11-15 DK DK566272A patent/DK138667C/da active
- 1972-11-16 GB GB5300472A patent/GB1393450A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1994974A (en) * | 1930-06-21 | 1935-03-19 | Oilgear Co | Differential resistance valve |
Also Published As
| Publication number | Publication date |
|---|---|
| SE381718B (sv) | 1975-12-15 |
| NL7215186A (it) | 1973-05-18 |
| DE2156841B1 (de) | 1973-05-03 |
| DD101206A5 (it) | 1973-10-20 |
| DK138667C (da) | 1979-03-12 |
| IT975410B (it) | 1974-07-20 |
| FR2160454B1 (it) | 1976-01-30 |
| BE791090A (fr) | 1973-03-01 |
| CH546894A (de) | 1974-03-15 |
| JPS5330174B2 (it) | 1978-08-25 |
| GB1393450A (en) | 1975-05-07 |
| DE2156841C2 (de) | 1973-11-15 |
| DK138667B (da) | 1978-10-09 |
| JPS4863326A (it) | 1973-09-03 |
| DE2156841A1 (it) | 1973-05-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |