DE69928326D1 - Ventil eines hydraulischen Aggregats - Google Patents
Ventil eines hydraulischen AggregatsInfo
- Publication number
- DE69928326D1 DE69928326D1 DE69928326T DE69928326T DE69928326D1 DE 69928326 D1 DE69928326 D1 DE 69928326D1 DE 69928326 T DE69928326 T DE 69928326T DE 69928326 T DE69928326 T DE 69928326T DE 69928326 D1 DE69928326 D1 DE 69928326D1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- hydraulic unit
- hydraulic
- unit
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/047—Preventing foaming, churning or cavitation
-
- 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
- F15B2013/008—Throttling member profiles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Types And Forms Of Lifts (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT98RM000377A IT1299508B1 (it) | 1998-06-10 | 1998-06-10 | Valvola perfezionata per centralina idraulica, in particolare per ascensori, montacarichi e simili |
ITRM980377 | 1998-06-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69928326D1 true DE69928326D1 (de) | 2005-12-22 |
DE69928326T2 DE69928326T2 (de) | 2006-07-13 |
Family
ID=11405971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69928326T Expired - Lifetime DE69928326T2 (de) | 1998-06-10 | 1999-06-10 | Ventil eines hydraulischen Aggregats |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0964163B1 (de) |
DE (1) | DE69928326T2 (de) |
ES (1) | ES2248968T3 (de) |
IT (1) | IT1299508B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6742629B2 (en) | 2000-07-03 | 2004-06-01 | Wittur Ag | Valve control unit for a hydraulic elevator |
DE102022202370A1 (de) * | 2022-03-10 | 2023-09-14 | Zf Friedrichshafen Ag | Druckreduzierventil |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3813079A (en) * | 1971-12-10 | 1974-05-28 | Masoneilan Int Inc | Quick change apparatus for effecting gas flow pressure reduction with low noise generator |
US3908698A (en) * | 1974-03-07 | 1975-09-30 | Hans D Baumann | Variable resistance type throttling trim |
DE2431322C3 (de) * | 1974-06-29 | 1978-10-26 | Honeywell Gmbh, 6000 Frankfurt | Regelventil |
DE8311997U1 (de) * | 1983-04-22 | 1984-09-27 | Blain, Roy William, 7100 Heilbronn | Senkventil zur Steuerung der Abwärtsgeschwindigkeit eines hydraulisch betriebenen Aufzuges |
US4617963A (en) * | 1983-06-23 | 1986-10-21 | Mcgraw-Edison Company | Control valve with anticavitation trim |
US4844701A (en) * | 1987-12-02 | 1989-07-04 | The Gorman-Rupp Company | Mobile pump apparatus |
JPH07301201A (ja) * | 1994-04-28 | 1995-11-14 | Toyooki Kogyo Co Ltd | 油圧ユニツト |
-
1998
- 1998-06-10 IT IT98RM000377A patent/IT1299508B1/it active IP Right Grant
-
1999
- 1999-06-10 EP EP99304562A patent/EP0964163B1/de not_active Expired - Lifetime
- 1999-06-10 ES ES99304562T patent/ES2248968T3/es not_active Expired - Lifetime
- 1999-06-10 DE DE69928326T patent/DE69928326T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0964163A3 (de) | 2001-11-28 |
ITRM980377A0 (it) | 1998-06-10 |
ES2248968T3 (es) | 2006-03-16 |
EP0964163A2 (de) | 1999-12-15 |
IT1299508B1 (it) | 2000-03-16 |
ITRM980377A1 (it) | 1999-12-10 |
EP0964163B1 (de) | 2005-11-16 |
DE69928326T2 (de) | 2006-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |