IT1047750B - Perfezionamento nelle valvole di comando per sistemi idraulici - Google Patents
Perfezionamento nelle valvole di comando per sistemi idrauliciInfo
- Publication number
- IT1047750B IT1047750B IT51718/75A IT5171875A IT1047750B IT 1047750 B IT1047750 B IT 1047750B IT 51718/75 A IT51718/75 A IT 51718/75A IT 5171875 A IT5171875 A IT 5171875A IT 1047750 B IT1047750 B IT 1047750B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- control valves
- hydraulic systems
- hydraulic
- systems
- Prior art date
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87177—With bypass
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/514,687 US3986522A (en) | 1974-10-15 | 1974-10-15 | Hydraulic control valve |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1047750B true IT1047750B (it) | 1980-10-20 |
Family
ID=24048283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51718/75A IT1047750B (it) | 1974-10-15 | 1975-10-09 | Perfezionamento nelle valvole di comando per sistemi idraulici |
Country Status (10)
Country | Link |
---|---|
US (1) | US3986522A (it) |
JP (1) | JPS6018843B2 (it) |
AU (1) | AU500713B2 (it) |
BR (1) | BR7506713A (it) |
CA (1) | CA1032437A (it) |
DE (1) | DE2546075C2 (it) |
FR (1) | FR2305665A1 (it) |
GB (1) | GB1518989A (it) |
IT (1) | IT1047750B (it) |
SE (1) | SE409051B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2556708C2 (de) * | 1975-12-17 | 1983-12-08 | Robert Bosch Gmbh, 7000 Stuttgart | Für die Blockbauweise vorgesehenes Hydrowegeventil |
JPS5294526A (en) * | 1976-02-03 | 1977-08-09 | Toshiba Machine Co Ltd | Fourrpoint hydrostatic control valve |
US4457341A (en) * | 1982-03-04 | 1984-07-03 | Vickers, Incorporated | Variable pressure drop proportional motor controlled hydraulic directional valve |
US5096334B1 (en) * | 1990-09-28 | 1998-07-14 | Speed Shore Corp | Shoring shield |
DE4234034A1 (de) * | 1992-10-09 | 1994-04-14 | Rexroth Mannesmann Gmbh | Wegeventil zur Ansteuerung eines hydraulischen Verbrauchers insbesondere eines mobilen Arbeitsgerätes |
FR2857704B1 (fr) * | 2003-07-16 | 2007-12-28 | Bosch Rexroth Dsi Sas | Distributeur hydraulique a fentes de couple |
WO2015138599A1 (en) | 2014-03-13 | 2015-09-17 | Hydronovation, Inc. | Multi-port flow switching valve |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2949097A (en) * | 1957-12-11 | 1960-08-16 | New York Air Brake Co | Five position control valve having power float position |
US2916050A (en) * | 1958-09-17 | 1959-12-08 | New York Air Brake Co | Four position control valve having a float position |
US3006372A (en) * | 1959-04-22 | 1961-10-31 | New York Air Brake Co | Control valve with cavitation-minimizing replenishing circuit |
US3459219A (en) * | 1967-10-20 | 1969-08-05 | Gen Signal Corp | Regenerative valve plunger |
-
1974
- 1974-10-15 US US05/514,687 patent/US3986522A/en not_active Expired - Lifetime
-
1975
- 1975-09-11 CA CA235,236A patent/CA1032437A/en not_active Expired
- 1975-10-01 GB GB40100/75A patent/GB1518989A/en not_active Expired
- 1975-10-09 IT IT51718/75A patent/IT1047750B/it active
- 1975-10-13 AU AU85674/75A patent/AU500713B2/en not_active Expired
- 1975-10-14 SE SE7511486A patent/SE409051B/xx not_active IP Right Cessation
- 1975-10-14 FR FR7531377A patent/FR2305665A1/fr active Granted
- 1975-10-14 BR BR7506713*A patent/BR7506713A/pt unknown
- 1975-10-15 JP JP50124232A patent/JPS6018843B2/ja not_active Expired
- 1975-10-15 DE DE2546075A patent/DE2546075C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5165426A (it) | 1976-06-07 |
AU500713B2 (en) | 1979-05-31 |
US3986522A (en) | 1976-10-19 |
BR7506713A (pt) | 1976-08-17 |
USB514687I5 (it) | 1976-01-27 |
GB1518989A (en) | 1978-07-26 |
SE7511486L (sv) | 1976-04-20 |
AU8567475A (en) | 1977-04-21 |
FR2305665A1 (fr) | 1976-10-22 |
SE409051B (sv) | 1979-07-23 |
DE2546075A1 (de) | 1976-04-29 |
CA1032437A (en) | 1978-06-06 |
FR2305665B1 (it) | 1980-01-25 |
JPS6018843B2 (ja) | 1985-05-13 |
DE2546075C2 (de) | 1983-10-13 |
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