FI763562A - - Google Patents

Info

Publication number: FI763562A
Authority: FI; Finland

Application number

FI763562A

Other versions

FI60913B (fi

FI60913C (fi

Inventor

Goeran Henriksson

Karl Evert Joelson

Original Assignee

Goeran Henriksson

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.)

1975-12-11

Filing date

1976-12-10

Publication date

1977-06-12

1976-12-10 Application filed by Goeran Henriksson filed Critical Goeran Henriksson

1977-06-12 Publication of FI763562A publication Critical patent/FI763562A/fi

1981-12-31 Publication of FI60913B publication Critical patent/FI60913B/fi

1982-04-13 Application granted granted Critical

1982-04-13 Publication of FI60913C publication Critical patent/FI60913C/fi

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
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
- 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
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
- 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
- F15B2211/40—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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- 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
- F15B2211/7053—Double-acting output members

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Fluid-Pressure Circuits (AREA)
Control Of Positive-Displacement Pumps (AREA)

FI763562A 1975-12-11 1976-12-10 Ventilanordning foer anvaendning i vaetskesystem saerskilt hydrauliska system FI60913C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE7514013		1975-12-11
SE7514013A SE398148B (sv)	1975-12-11	1975-12-11	Ventilanordning for anvendning vid fluidsystem

Publications (3)

Publication Number	Publication Date
FI763562A true FI763562A (fi)	1977-06-12
FI60913B FI60913B (fi)	1981-12-31
FI60913C FI60913C (fi)	1982-04-13

Family

ID=20326313

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI763562A FI60913C (fi)	1975-12-11	1976-12-10	Ventilanordning foer anvaendning i vaetskesystem saerskilt hydrauliska system

Country Status (7)

Country	Link
JP (1)	JPS52101719A (fi)
DE (1)	DE2656576A1 (fi)
DK (1)	DK557076A (fi)
FI (1)	FI60913C (fi)
GB (1)	GB1572036A (fi)
NO (1)	NO764208L (fi)
SE (1)	SE398148B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE8801058U1 (de) *	1988-01-29	1988-03-10	Danfoss A/S, Nordborg	Hydraulisches Steuerventil mit Druckfühleinrichtung

1975
- 1975-12-11 SE SE7514013A patent/SE398148B/xx not_active IP Right Cessation
1976
- 1976-12-10 DE DE19762656576 patent/DE2656576A1/de not_active Withdrawn
- 1976-12-10 NO NO764208A patent/NO764208L/no unknown
- 1976-12-10 GB GB51749/76A patent/GB1572036A/en not_active Expired
- 1976-12-10 FI FI763562A patent/FI60913C/fi not_active IP Right Cessation
- 1976-12-10 JP JP14862176A patent/JPS52101719A/ja active Pending
- 1976-12-10 DK DK557076A patent/DK557076A/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
FI60913B (fi)	1981-12-31
JPS52101719A (en)	1977-08-26
DE2656576A1 (de)	1977-06-23
DK557076A (da)	1977-06-12
FI60913C (fi)	1982-04-13
NO764208L (fi)	1977-06-14
GB1572036A (en)	1980-07-23
SE7514013L (sv)	1977-06-12
SE398148B (sv)	1977-12-05

Publication	Publication Date	Title
JPS5265632U (fi)	1977-05-14
JPS51152025U (fi)	1976-12-04
FR2310142B3 (fi)	1979-03-16
FI763562A (fi)	1977-06-12
JPS5252251Y2 (fi)	1977-11-28
JPS51114014U (fi)	1976-09-16
JPS5285507U (fi)	1977-06-25
JPS51161953U (fi)	1976-12-23
AU8233875A (fi)	1976-12-23
CH600596A5 (fi)	1978-06-30
CH583397A5 (fi)	1976-12-31
CH594078A5 (fi)	1977-12-30
CH593493A5 (fi)	1977-12-15
CH593460A5 (fi)	1977-11-30
CH593405A5 (fi)	1977-11-30
CH592763A5 (fi)	1977-11-15
CH592311A5 (fi)	1977-10-31
CH591742A5 (fi)	1977-09-30
CH590451A5 (fi)	1977-08-15
CH588745A5 (fi)	1977-06-15
BG21482A1 (fi)	1976-07-20
CH595672A5 (fi)	1978-02-15
CH596018A5 (fi)	1978-02-28
CH601229A5 (fi)	1978-06-30
CH599726A5 (fi)	1978-05-31

Legal Events

Date	Code	Title	Description
1994-07-12	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: HENRIKSSON, GOERAN