FR2225643B1 - - Google Patents
Info
- Publication number
- FR2225643B1 FR2225643B1 FR7346364A FR7346364A FR2225643B1 FR 2225643 B1 FR2225643 B1 FR 2225643B1 FR 7346364 A FR7346364 A FR 7346364A FR 7346364 A FR7346364 A FR 7346364A FR 2225643 B1 FR2225643 B1 FR 2225643B1
- 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.)
- Expired
Links
Classifications
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- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
- F15B11/076—Combined pneumatic-hydraulic systems with pneumatic drive or displacement and speed control or stopping by hydraulic braking
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/41—Flow control characterised by the positions of the valve element
- F15B2211/411—Flow control characterised by the positions of the valve element the positions being discrete
-
- 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
- F15B2211/41536—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/625—Accumulators
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
- F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4242773A JPS5341315B2 (fr) | 1973-04-14 | 1973-04-14 | |
JP10514073A JPS5219272B2 (fr) | 1973-09-18 | 1973-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2225643A1 FR2225643A1 (fr) | 1974-11-08 |
FR2225643B1 true FR2225643B1 (fr) | 1978-03-10 |
Family
ID=26382112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7346364A Expired FR2225643B1 (fr) | 1973-04-14 | 1973-12-26 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3929057A (fr) |
CA (1) | CA979465A (fr) |
DE (1) | DE2365234A1 (fr) |
FR (1) | FR2225643B1 (fr) |
GB (1) | GB1406520A (fr) |
IT (1) | IT1000666B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5144768A (en) * | 1974-10-14 | 1976-04-16 | Tokico Ltd | Gasusupuringuniokerurotsukusochi |
NZ180963A (en) * | 1975-03-05 | 1978-12-18 | Sorensen Eng Ltd K & V | Fluid operated switching valve for eg drill press |
US4014515A (en) * | 1975-11-24 | 1977-03-29 | Auto Specialties Manufacturing Company | Snubber for one end lift jacks |
US4012173A (en) * | 1976-01-26 | 1977-03-15 | Everson Jr Kirke B | Variable stroke compressor |
CA1052234A (fr) * | 1976-05-17 | 1979-04-10 | Gerard G.F. Smeets | Systeme surpresseur a deux etages |
NL7704892A (nl) * | 1977-05-04 | 1978-11-07 | Lely Nv C Van Der | Landbouwwerktuig. |
NL185595C (nl) * | 1977-05-09 | 1990-06-01 | Lely Nv C Van Der | Koppelelement in de hefinrichting-bevestiging van een werktuig aan een trekker of dergelijk voertuig. |
US4173920A (en) * | 1978-01-18 | 1979-11-13 | Lear Siegler, Inc. | Plunge shaving machine |
US4387910A (en) * | 1978-05-30 | 1983-06-14 | Lely Cornelis V D | Coupling member |
DE2900281A1 (de) * | 1979-01-05 | 1980-07-17 | Bosch Gmbh Robert | Druckluftzylinder mit einer daempfungsvorrichtung |
US4514148A (en) * | 1982-11-01 | 1985-04-30 | Carter Controls, Inc. | Hydraulically actuated pump |
US4481868A (en) * | 1983-07-21 | 1984-11-13 | Timesavers, Inc. | Fluid cylinder with motion buffered ram assembly |
SE438990B (sv) * | 1984-06-21 | 1985-05-28 | Saab Scania Ab | Arrangemang for dempning av vexlingsrorelser vid en mekanisk synkroniserad flerstegsvexellada |
US4667574A (en) * | 1984-10-31 | 1987-05-26 | The Goodyear Tire & Rubber Company | Actuator for movement of a tool and a tire carcass transfer device utilizing the actuator |
US4722334A (en) * | 1985-07-16 | 1988-02-02 | Transpirator Technologies, Inc. | Method and apparatus for pulmonary and cardiovascular conditioning of racehorses and competition animals |
JPS62258207A (ja) * | 1986-04-30 | 1987-11-10 | Sumio Sugawara | 複合流体圧シリンダ装置 |
US4765225A (en) * | 1986-08-22 | 1988-08-23 | Birchard William G | Digitally controlled air-over-hydraulic actuator and method |
DE4041829C2 (de) * | 1990-12-24 | 1995-11-23 | Fichtel & Sachs Ag | Hydraulischer, regelbarer Schwingungsdämpfer |
JP3380055B2 (ja) * | 1994-08-01 | 2003-02-24 | エスエムシー株式会社 | 流体圧シリンダのロック装置 |
DE19955828C2 (de) * | 1999-11-20 | 2001-12-20 | Stiegelmeyer & Co Gmbh | Gas-Zugfeder |
US10260534B2 (en) | 2016-11-09 | 2019-04-16 | Caterpillar Inc. | Hydraulic flowpath through a cylinder wall |
NO345264B1 (en) * | 2019-02-22 | 2020-11-23 | Flapump As | A fluid-driven linear motor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2605751A (en) * | 1949-08-10 | 1952-08-05 | Perry Fay Company | Fluid pressure tool slide control assembly |
US2857789A (en) * | 1953-01-27 | 1958-10-28 | Gardner Denver Co | Power operated tool with controlled power feed |
US3043278A (en) * | 1956-07-16 | 1962-07-10 | Ackerman Nathan | Turret lathe control |
US2991760A (en) * | 1956-12-28 | 1961-07-11 | Jules A Rhine | Tool feed and control |
US3313214A (en) * | 1964-06-16 | 1967-04-11 | Sandex Inc | Power feed with liquid check |
US3463036A (en) * | 1967-07-20 | 1969-08-26 | Oconnor Charles A | Automatic drilling device |
GB1232236A (fr) * | 1968-05-25 | 1971-05-19 | ||
US3659684A (en) * | 1969-11-25 | 1972-05-02 | Porter Co P L | Hydraulic lock refill valve |
BE758207A (fr) * | 1969-11-25 | 1971-04-01 | Weyman Henry W | Ensembles de cylindre pneumatique |
BE791188A (fr) * | 1971-11-11 | 1973-03-01 | Mclelland John D | Appareil pour deplacer un organe a des vitesses commandees |
US3830139A (en) * | 1972-07-31 | 1974-08-20 | Pml Precision Mechanisms Ltd | Pneumatic actuator |
-
1973
- 1973-12-26 FR FR7346364A patent/FR2225643B1/fr not_active Expired
- 1973-12-26 US US427847A patent/US3929057A/en not_active Expired - Lifetime
- 1973-12-27 GB GB5985173A patent/GB1406520A/en not_active Expired
- 1973-12-28 DE DE2365234A patent/DE2365234A1/de active Pending
- 1973-12-28 IT IT70897/73A patent/IT1000666B/it active
- 1973-12-31 CA CA189,225A patent/CA979465A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2225643A1 (fr) | 1974-11-08 |
IT1000666B (it) | 1976-04-10 |
DE2365234A1 (de) | 1974-11-07 |
US3929057A (en) | 1975-12-30 |
CA979465A (en) | 1975-12-09 |
GB1406520A (en) | 1975-09-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |