IT964884B - HYDRAULIC ACTUATOR - Google Patents

HYDRAULIC ACTUATOR

Info

Publication number: IT964884B
Authority: IT; Italy
Prior art keywords: hydraulic actuator; actuator; hydraulic
Prior art date: 1971-08-04

Application number

IT197269555A

Other languages

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.)

1971-08-04

Filing date

1972-08-04

Publication date

1974-01-31

1972-08-04 Application filed filed Critical

1974-01-31 Application granted granted Critical

1974-01-31 Publication of IT964884B publication Critical patent/IT964884B/en

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
- F16H—GEARING
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force 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
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- 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
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
- 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
- F15B2211/30505—Non-return valves, i.e. check valves
- 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30585—Assemblies of multiple valves having a single valve for multiple output members
- 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
- 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7055—Linear output members having more than two chambers

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Knitting Machines (AREA)

IT197269555A 1971-08-04 1972-08-04 HYDRAULIC ACTUATOR IT964884B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3657271A GB1406987A (en)	1971-08-04	1971-08-04	Hydraulic actuator

Publications (1)

Publication Number	Publication Date
IT964884B true IT964884B (en)	1974-01-31

Family

ID=10389356

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT197269555A IT964884B (en)	1971-08-04	1972-08-04	HYDRAULIC ACTUATOR

Country Status (7)

Country	Link
US (1)	US3913448A (en)
CH (1)	CH557909A (en)
DE (1)	DE2238539A1 (en)
FR (1)	FR2149910A5 (en)
GB (1)	GB1406987A (en)
IT (1)	IT964884B (en)
NL (1)	NL7210678A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE391786B (en) *	1975-03-24	1977-02-28	Westin & Backlund Ab	MEDICAL REGULATOR INCLUDING AT LEAST TWO PRESSURE TRANSFER ELEMENTS
US4030551A (en) *	1976-04-12	1977-06-21	International Harvester Company	Folding flex toolbar
US4356841A (en) *	1979-07-21	1982-11-02	Fmc Corporation	Matrix switching control of subsea production systems
DE4203883A1 (en) *	1992-02-11	1993-08-12	Buehler Optima Maschf	WASTE SCALE
US7069728B2 (en) *	2003-07-29	2006-07-04	Pratt & Whitney Canada Corp.	Multi-position BOV actuator
FR2881800B1 (en) *	2005-02-04	2010-08-27	Hispano Suiza Sa	SYSTEM FOR CONTROLLING A PLURALITY OF DISCHARGE VALVES OF A TURBOMACHINE
CN105782159B (en) *	2016-04-27	2017-10-10	南京航空航天大学	A kind of hydraulic rotating actuator
WO2021049033A1 (en)	2019-09-13	2021-03-18	キオクシア株式会社	Memory system
CN112943731B (en) *	2021-03-18	2022-04-01	同济大学	A shaft distribution switch reversing valve
CN113153850A (en) *	2021-03-23	2021-07-23	同济大学	Shaft flow distribution high-frequency switch reversing valve
US20230265812A1 (en) *	2022-02-18	2023-08-24	Stephen Michael Roberts	Variable Area Fan Nozzle Actuation System

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US785611A (en) *	1904-05-07	1905-03-21	Charles E Hastings	Engine.
US2811139A (en) *	1949-07-07	1957-10-29	Rome Grader Corp	Power transmission device
US2661724A (en) *	1951-07-17	1953-12-08	James P Guarnieri Inc	Multiple position fluid pressure actuated apparatus
US2882685A (en) *	1956-07-02	1959-04-21	Gleason Works	Hydraulic motion transmitting system
US3149537A (en) *	1961-01-19	1964-09-22	D J Campbell Co Inc	Fluid control mechanism
US3253515A (en) *	1962-03-16	1966-05-31	Sinclair Research Inc	Fluid actuated motor
GB1136385A (en) *	1966-01-12	1968-12-11	John Carr Doughty	Knitting machine
US3502002A (en) *	1968-04-02	1970-03-24	Whiteman Mfg Co	Means for synchronizing a pair of hydraulic power cylinder actuators

1971
- 1971-08-04 GB GB3657271A patent/GB1406987A/en not_active Expired
1972
- 1972-07-31 US US276369A patent/US3913448A/en not_active Expired - Lifetime
- 1972-08-03 CH CH1150972A patent/CH557909A/xx unknown
- 1972-08-03 NL NL7210678A patent/NL7210678A/xx not_active Application Discontinuation
- 1972-08-04 FR FR7228234A patent/FR2149910A5/fr not_active Expired
- 1972-08-04 DE DE2238539A patent/DE2238539A1/en not_active Withdrawn
- 1972-08-04 IT IT197269555A patent/IT964884B/en active

Also Published As

Publication number	Publication date
FR2149910A5 (en)	1973-03-30
US3913448A (en)	1975-10-21
GB1406987A (en)	1975-09-24
CH557909A (en)	1975-01-15
NL7210678A (en)	1973-02-06
DE2238539A1 (en)	1973-03-01

Publication	Publication Date	Title
BR7202795D0 (en)	1973-05-31	HYDRAULIC SET
IT953998B (en)	1973-08-10	HYDRAULIC CONTROL DEVICE
SE367158B (en)	1974-05-20	HYDRAULIC BUMPER
IT963117B (en)	1974-01-10	HYDRAULIC TRANSFORMER
IT971382B (en)	1974-04-30	ELECTRO-HYDRAULIC SERVOVALVE
IT967746B (en)	1974-03-11	ELECTROMAGNETIC ACTUATOR
ATA609072A (en)	1980-01-15	TURNING PISTON
IT964884B (en)	1974-01-31	HYDRAULIC ACTUATOR
IT950066B (en)	1973-06-20	ELECTRO-HYDRAULIC CONTROL DEVICE
NO138227C (en)	1978-08-02	HYDRAULIC ACTUATOR.
IT947393B (en)	1973-05-21	VALVES
SE396235B (en)	1977-09-12	MOVABLE HYDRAULIC PORT
IT973479B (en)	1974-06-10	ELECTRIC HYDRAULIC ACTUATOR DEVICE
IT944655B (en)	1973-04-20	HYDRAULIC COUPLING
AT318799B (en)	1974-11-11	Hydraulically operated actuator assembly
CH536962A (en)	1973-05-15	Hydraulic control device
IT948275B (en)	1973-05-30	HYDRAULIC LARD
BE790896A (en)	1973-05-03	HYDRAULIC FLUIDS
BE778130A (en)	1972-05-16	HYDRAULIC COUPLER
IT950547B (en)	1973-06-20	ROTARY ACTUATOR
IT971350B (en)	1974-04-30	HYDRAULIC VALVE
SU465772A3 (en)	1975-03-30	Hydraulic Press
NL146077B (en)	1975-06-16	HYDRAULIC DIRECTIONS.
SE386722B (en)	1976-08-16	HYDRAULIC SPEED VALVE VALVE
IT947773B (en)	1973-05-30	DOUBLE HYDRAULIC SERVO CONTROL