EP0376023A3 - Elektrohydraulisches Proportionalwegeventil - Google Patents
Elektrohydraulisches Proportionalwegeventil Download PDFInfo
- Publication number
- EP0376023A3 EP0376023A3 EP19890122724 EP89122724A EP0376023A3 EP 0376023 A3 EP0376023 A3 EP 0376023A3 EP 19890122724 EP19890122724 EP 19890122724 EP 89122724 A EP89122724 A EP 89122724A EP 0376023 A3 EP0376023 A3 EP 0376023A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- spool
- control
- main control
- pilot
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B2211/355—Pilot pressure control
-
- 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
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- 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
- F15B2211/67—Methods for controlling pilot pressure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Servomotors (AREA)
- Multiple-Way Valves (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3844336A DE3844336A1 (de) | 1988-12-30 | 1988-12-30 | Elektrohydraulisches porportionalwegeventil |
DE3844336 | 1988-12-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0376023A2 EP0376023A2 (de) | 1990-07-04 |
EP0376023A3 true EP0376023A3 (de) | 1991-04-17 |
EP0376023B1 EP0376023B1 (de) | 1994-03-09 |
Family
ID=6370536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89122724A Expired - Lifetime EP0376023B1 (de) | 1988-12-30 | 1989-12-09 | Elektrohydraulisches Proportionalwegeventil |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0376023B1 (de) |
DE (2) | DE3844336A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59010152D1 (de) * | 1990-08-24 | 1996-03-28 | Moog Gmbh | Elektrohydraulisches Servoventil |
DE4446144A1 (de) * | 1994-12-23 | 1996-06-27 | Bosch Gmbh Robert | Hydraulische Steuerung in Monoblockbauweise aus mindestens zwei verketteten elektromagnetisch betätigbaren Proportionalwegeventilelementen |
DE102023200319A1 (de) | 2023-01-17 | 2024-07-18 | Robert Bosch Gesellschaft mit beschränkter Haftung | Lüfterantriebsvorrichtung mit Proportionalventil |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436900A1 (fr) * | 1978-09-20 | 1980-04-18 | Bosch Gmbh Robert | Soupape de distribution electrohydraulique |
-
1988
- 1988-12-30 DE DE3844336A patent/DE3844336A1/de not_active Withdrawn
-
1989
- 1989-12-09 DE DE89122724T patent/DE58907181D1/de not_active Expired - Fee Related
- 1989-12-09 EP EP89122724A patent/EP0376023B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436900A1 (fr) * | 1978-09-20 | 1980-04-18 | Bosch Gmbh Robert | Soupape de distribution electrohydraulique |
Also Published As
Publication number | Publication date |
---|---|
EP0376023B1 (de) | 1994-03-09 |
EP0376023A2 (de) | 1990-07-04 |
DE58907181D1 (de) | 1994-04-14 |
DE3844336A1 (de) | 1990-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3921292C2 (de) | ||
DE3515499A1 (de) | Elektropneumatischer wandler | |
WO1986005753A1 (en) | Rotary sliding valve for hydraulic power-assisted steering systems | |
DE3205228A1 (de) | Mehrkreis-druckmittel-bremsanlage | |
EP0798471A2 (de) | Zwei-Wege-Einbauventil | |
DE2002520C3 (de) | Fluidischer Membranverstärker | |
EP0376023A3 (de) | Elektrohydraulisches Proportionalwegeventil | |
EP0463394B1 (de) | Elektromagnetisch betätigbares Wegeventil | |
EP0342409A3 (de) | Sicherheitsventil | |
DE4418524C2 (de) | Vorgesteuertes 3-Wege-Druckminderventil | |
DE3013084C2 (de) | ||
DE3540997A1 (de) | Membranventil, insbesondere fuer geschirrspueler, waschmaschinen u. dgl. | |
DE4322292A1 (de) | Vorrichtung zur Erzeugung einer Bremskraft für eine Kraftfahrzeugbremsanlage | |
DE3240274C2 (de) | ||
DE2826610A1 (de) | Ventilanordnung fuer einen hydraulischen verbraucher | |
DE3542824A1 (de) | Hydraulischer differenzdruckwarnschalter | |
DE3625058A1 (de) | Ventil | |
DE4211551A1 (de) | Verstellpumpe mit einem Druckbegrenzungs- und einem Druckzuschaltventil | |
DE2045873A1 (de) | Ventil | |
DE2361257C2 (de) | Druckverhältnisventil | |
WO1991019108A1 (de) | Steuereinrichtung für einen arbeitszylinder | |
DE3815968A1 (de) | Steuereinrichtung fuer einen doppeltwirkenden arbeitszylinder | |
DE3101904C2 (de) | ||
DE4435339A1 (de) | Anordnung zur Ansteuerung eines hydraulisch betätigbaren Hauptventils | |
DE2023259A1 (de) | Solenoidbetätigtes Strömungsmediumventil, insbesondere für hydraulische Hochdruckkreise von Flugzeugen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19911008 |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ROBERT BOSCH GMBH |
|
17Q | First examination report despatched |
Effective date: 19920807 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19940311 |
|
REF | Corresponds to: |
Ref document number: 58907181 Country of ref document: DE Date of ref document: 19940414 |
|
ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19941209 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19941209 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19950831 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20011227 Year of fee payment: 13 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030701 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20051209 |