FI782653A - SYNCHRONOUS HYDRAULIC REGLERINGSVENTIL - Google Patents

SYNCHRONOUS HYDRAULIC REGLERINGSVENTIL

Info

Publication number: FI782653A
Authority: FI; Finland
Prior art keywords: regleringsventil; synchronous hydraulic; synchronous; hydraulic; hydraulic regleringsventil
Prior art date: 1977-08-31

Application number

FI782653A

Other languages

Finnish (fi)

Inventor

Christopher Brodie Watson

Robert James Lester

Original Assignee

Coles Cranes Ltd

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.)

1977-08-31

Filing date

1978-08-30

Publication date

1979-03-01

1978-08-30 Application filed by Coles Cranes Ltd filed Critical Coles Cranes Ltd

1979-03-01 Publication of FI782653A publication Critical patent/FI782653A/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
- F15B15/165—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type with synchronisation of sections

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Engineering & Computer Science (AREA)
Jib Cranes (AREA)
Actuator (AREA)
Fluid-Pressure Circuits (AREA)

FI782653A 1977-08-31 1978-08-30 SYNCHRONOUS HYDRAULIC REGLERINGSVENTIL FI782653A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3638877		1977-08-31

Publications (1)

Publication Number	Publication Date
FI782653A true FI782653A (en)	1979-03-01

Family

ID=10387692

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI782653A FI782653A (en)	1977-08-31	1978-08-30	SYNCHRONOUS HYDRAULIC REGLERINGSVENTIL

Country Status (6)

Country	Link
JP (1)	JPS5452279A (en)
DE (1)	DE2838323A1 (en)
FI (1)	FI782653A (en)
FR (1)	FR2402093A1 (en)
GB (1)	GB2005773A (en)
IT (1)	IT1098800B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4131751A1 (en) *	1991-09-24	1993-03-25	Krupp Industrietech	Telescopic jib for mobile crane - has four telescopic sections linked in pairs by cable and extended by two-stage differential cylinder
US6382080B1 (en) *	1997-06-04	2002-05-07	Inventio Ag	Apparatus for synchronization of telescopic rams in hydraulic elevators
EP0882895A1 (en) *	1997-06-04	1998-12-09	Inventio Ag	Device for synchronising telescopic actuators for hydraulic elevators
US8869916B2 (en)	2010-09-09	2014-10-28	National Oilwell Varco, L.P.	Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
CA2810266C (en)	2010-09-09	2016-05-03	National Oilwell Varco, L.P.	Downhole rotary drilling apparatus with formation-interfacing members and control system
CN102052362A (en) *	2010-12-28	2011-05-11	太仓高德升降机有限公司	Synchronous hydraulic cylinder device
CN107559259B (en) *	2017-08-25	2024-08-09	中国水利水电科学研究院	Hydraulic control system and hinge dam assembly

1978
- 1978-08-30 FI FI782653A patent/FI782653A/en unknown
- 1978-08-31 IT IT27240/78A patent/IT1098800B/en active
- 1978-08-31 FR FR7825185A patent/FR2402093A1/en not_active Withdrawn
- 1978-08-31 GB GB7835221A patent/GB2005773A/en not_active Withdrawn
- 1978-08-31 DE DE19782838323 patent/DE2838323A1/en not_active Withdrawn
- 1978-08-31 JP JP10569878A patent/JPS5452279A/en active Pending

Also Published As

Publication number	Publication date
IT7827240A0 (en)	1978-08-31
GB2005773A (en)	1979-04-25
DE2838323A1 (en)	1979-03-08
FR2402093A1 (en)	1979-03-30
JPS5452279A (en)	1979-04-24
IT1098800B (en)	1985-09-18

Publication	Publication Date	Title
FI783789A (en)	1979-06-21	HYDRAULIC STOEDELEMENT
ATA784877A (en)	1979-05-15	HOERGERAET
AT376049B (en)	1984-10-10	TARGETERS
BE869955A (en)	1978-12-18	THIADIAZOLYLOXADETHIACEPHALOSPORINS
DK3878A (en)	1978-07-06	MODIFIED KAPPA-CARRAGEENAN
AT367290B (en)	1982-06-25	MENSTRUALTAMPON
ATA28778A (en)	1980-08-15	HAIRCUTTER
FI782971A (en)	1979-04-04	ANALGETICAL FOUNDATION
FI773908A (en)	1979-06-23	PLANTERINGSANORDNING
FI782814A (en)	1979-03-14	DATABEHANDLINGSSYSTEM
FI780826A (en)	1978-10-01	FLOEDESREGULATOR
SE7812912L (en)	1979-06-28	LEGESHALLARE
FI781595A (en)	1978-11-20	FORM
FI782067A (en)	1978-12-31	HYDRAULIC TURBINER CONNECTION
AR215677A1 (en)	1979-10-31	TARUGO
FI782653A (en)	1979-03-01	SYNCHRONOUS HYDRAULIC REGLERINGSVENTIL
IT1088955B (en)	1985-06-10	STRUCTURAL COMPLEX
AT374008B (en)	1984-03-12	CUEVETTE
FI65848B (en)	1984-03-30	HYDRAULIC STOEDDAEMPARE
SE7809266L (en)	1979-03-06	FORM
FI54662B (en)	1978-09-29	RULLHAENGDON
AT368870B (en)	1982-11-25	RUMPFORTHESE
AR213698A1 (en)	1979-02-28	HYDRAULIC MACHINE
SE7812360L (en)	1979-06-03	BASTENDROR
SE7805412L (en)	1978-12-16	HYDRAULIC ACCUMULATOR