CH566590A5 - - Google Patents

Info

Publication number: CH566590A5
Authority: CH; Switzerland

Application number

CH19474A

Original Assignee

Index Werke Kg Hahn & Tessky

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.)

1973-03-01

Filing date

1974-01-08

Publication date

1975-09-15

1974-01-08 Application filed by Index Werke Kg Hahn & Tessky filed Critical Index Werke Kg Hahn & Tessky

1975-09-15 Publication of CH566590A5 publication Critical patent/CH566590A5/xx

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- 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
- 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
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3138—Directional 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
- F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a 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
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/526—Pressure 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
- F15B2211/50—Pressure control
- F15B2211/57—Control of a differential pressure
- 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
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using 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
- F15B2211/70—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
- F15B2211/7054—Having equal piston areas

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Engineering & Computer Science (AREA)
Fluid-Pressure Circuits (AREA)
Multiple-Way Valves (AREA)

CH19474A 1973-03-01 1974-01-08 CH566590A5 (mo)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2310193A DE2310193C2 (de)	1973-03-01	1973-03-01	Sicherheits-Druckregelventil zur Einstellung eines konstanten Arbeitsdrukkes

Publications (1)

Publication Number	Publication Date
CH566590A5 true CH566590A5 (mo)	1975-09-15

Family

ID=5873495

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH19474A CH566590A5 (mo)	1973-03-01	1974-01-08

Country Status (3)

Country	Link
CH (1)	CH566590A5 (mo)
DE (1)	DE2310193C2 (mo)
GB (1)	GB1460846A (mo)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2430634A1 (fr) *	1978-07-03	1980-02-01	Exi Metallo	Relais de pression hydraulique
DE3125479A1 (de) *	1981-06-29	1983-01-20	Wabco Steuerungstechnik GmbH & Co, 3000 Hannover	Steuereinrichtung fuer ein druckmittelgesteuertes, in einer versorgungsleitung angeordnetes ventil
DE3204055C2 (de) *	1982-02-06	1984-06-28	Lutz 7306 Denkendorf Leupold	Druckbegrenzungs- oder -regelventil
DE3232536C2 (de) *	1982-09-01	1986-10-23	Herion-Werke Kg, 7012 Fellbach	Ventilanordnung zur Steuerung und Überwachung des Arbeitsdruckes eines Verbrauchers
DE3313381C2 (de) *	1983-04-13	1985-02-21	Heller Hydraulik GmbH, 7440 Nürtingen	Einrichtung zur Überwachung des hydraulischen Arbeitsdruckes eines Verbrauchers
DE3532592A1 (de) *	1985-09-12	1987-03-19	Rexroth Mannesmann Gmbh	3-wege-druckminderventil mit sekundaerdruckueberwachung
US4932841A (en) *	1989-03-20	1990-06-12	Thermo King Corporation	Combination oil pressure regulator and low oil pressure detector for refrigerant compressor
DE9016844U1 (de) *	1990-12-13	1991-02-28	Schiefer, Rolf, 4050 Mönchengladbach	Hydraulik-Druckregler mit Selbstentlastung bei O-bar Ansteuerdruck
DE4117291A1 (de) *	1991-05-27	1992-12-03	Bw Hydraulik Gmbh	Direktgesteuertes druckregelventil
DE4237901C2 (de) *	1992-11-10	1996-02-01	Heilmeier & Weinlein	Elektrohydraulische Steuervorrichtung und Druckminderventil
DE9413273U1 (de) *	1994-08-17	1994-10-06	Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München	Spannmodul für Werkzeugmaschinen-Spannvorrichtung
DE29518705U1 (de)	1995-11-24	1996-01-18	Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München	Spannmodul
DE29605911U1 (de) *	1996-03-29	1997-07-24	Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München	Elektrohydraulische Steuervorrichtung
DE29710128U1 (de)	1997-06-10	1997-08-14	Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München	Differenzdruck-Schaltventil
DE19938132A1 (de) *	1999-08-16	2001-02-22	Eckehart Schulze	Elektrohydraulische Überwachungseinrichtung für einen doppelt wirkenden Hydrozylinder
LU90804B1 (fr)	2001-07-18	2003-01-20	Circuit Foil Luxembourg Trading Sarl	Process for manufacturing a composite foil suitable for manufacturing multi-layer printed circuit boards
DE102004032981B4 (de) *	2004-07-08	2006-10-26	Preh Gmbh	Ventil zur Schaltstellungsüberwachung von Ventilen

1973
- 1973-03-01 DE DE2310193A patent/DE2310193C2/de not_active Expired
1974
- 1974-01-08 CH CH19474A patent/CH566590A5/xx not_active IP Right Cessation
- 1974-02-22 GB GB815974A patent/GB1460846A/en not_active Expired

Also Published As

Publication number	Publication date
GB1460846A (mo)	1977-01-06
DE2310193B1 (de)	1974-04-25
DE2310193C2 (de)	1974-11-21

Legal Events

Date	Code	Title	Description
1991-09-30	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
AR201758A1 (mo)	1975-04-15
AR201235Q (mo)	1975-02-21
AR201231Q (mo)	1975-02-21
AU474593B2 (mo)	1976-07-29
AU474511B2 (mo)	1976-07-22
AU471343B2 (mo)	1976-04-15
AU465453B2 (mo)	1975-09-25
AU450229B2 (mo)	1974-07-04
AU476714B2 (mo)	1976-09-30
AR201229Q (mo)	1975-02-21
AU466283B2 (mo)	1975-10-23
AR199451A1 (mo)	1974-08-30
AU476696B2 (mo)	1976-09-30
AU472848B2 (mo)	1976-06-03
AU476873B1 (mo)	1975-01-09
AR200885A1 (mo)	1974-12-27
AU461342B2 (mo)	1975-05-22
AR200256A1 (mo)	1974-10-31
AU471461B2 (mo)	1976-04-29
AR197627A1 (mo)	1974-04-23
AR195948A1 (mo)	1973-11-15
AR193950A1 (mo)	1973-05-31
AR196382A1 (mo)	1973-12-18
AR195311A1 (mo)	1973-09-28
AR210729A1 (mo)	1977-09-15