NO764208L - - Google Patents

Info

Publication number: NO764208L
Authority: NO; Norway
Prior art keywords: valve; pressure; pump; slide; recess
Prior art date: 1975-12-11

Application number

NO764208A

Other languages

English (en)

Norwegian (no)

Inventor

G Henriksson

K E Joelson

Original Assignee

Henriksson Goeran

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

1977-06-14

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

1977-06-14 Publication of NO764208L publication Critical patent/NO764208L/no

Links

239000012530 fluid Substances 0.000 claims description 22
229910001018 Cast iron Inorganic materials 0.000 claims description 2
238000005266 casting Methods 0.000 claims description 2
210000000056 organ Anatomy 0.000 claims 1
210000003462 vein Anatomy 0.000 claims 1
239000007788 liquid Substances 0.000 description 6
230000001105 regulatory effect Effects 0.000 description 5
230000008859 change Effects 0.000 description 4
230000008878 coupling Effects 0.000 description 2
238000010168 coupling process Methods 0.000 description 2
238000005859 coupling reaction Methods 0.000 description 2
230000009471 action Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1

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)

NO764208A 1975-12-11 1976-12-10 NO764208L (da)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NO764208L true NO764208L (da)	1977-06-14

Family

ID=20326313

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO764208A NO764208L (da)	1975-12-11	1976-12-10

Country Status (7)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3802672C2 (de) *	1988-01-29	1993-12-16	Danfoss As	Hydraulisches Steuerventil mit Druckfühleinrichtung

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

Also Published As

Publication number	Publication date
DK557076A (da)	1977-06-12
SE7514013L (sv)	1977-06-12
DE2656576A1 (de)	1977-06-23
FI763562A7 (da)	1977-06-12
FI60913C (fi)	1982-04-13
GB1572036A (en)	1980-07-23
SE398148B (sv)	1977-12-05
JPS52101719A (en)	1977-08-26
FI60913B (fi)	1981-12-31

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NO155211B (no)	1986-11-17	Ventilanlegg til regulering av funksjonen hos en hydraulisk motor, saerlig en hydraulisk sylinder.
JPH07101042B2 (ja)	1995-11-01	油圧制御装置
US3685540A (en)	1972-08-22	Fluid flow controlling device for reversible fluid motors
US3160167A (en)	1964-12-08	Valve assembly
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US5017094A (en)	1991-05-21	Solenoid valve control system for hydrostatic transmission
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