IT7923107A0 - Valvola doppia ad autocontrollo. - Google Patents
Valvola doppia ad autocontrollo.Info
- Publication number
- IT7923107A0 IT7923107A0 IT7923107A IT2310779A IT7923107A0 IT 7923107 A0 IT7923107 A0 IT 7923107A0 IT 7923107 A IT7923107 A IT 7923107A IT 2310779 A IT2310779 A IT 2310779A IT 7923107 A0 IT7923107 A0 IT 7923107A0
- Authority
- IT
- Italy
- Prior art keywords
- control valve
- double self
- self
- double
- valve
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/001—Double valve requiring the use of both hands simultaneously
-
- 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
- Y10T137/87193—Pilot-actuated
- Y10T137/87209—Electric
-
- 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
- Y10T137/87217—Motor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/918,599 US4181148A (en) | 1978-06-23 | 1978-06-23 | Self monitoring double valve |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7923107A0 true IT7923107A0 (it) | 1979-05-29 |
IT1121065B IT1121065B (it) | 1986-03-26 |
Family
ID=25440646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2310779A IT1121065B (it) | 1978-06-23 | 1979-05-29 | Valvola doppia ad autocontrollo |
Country Status (8)
Country | Link |
---|---|
US (1) | US4181148A (it) |
JP (1) | JPS6054548B2 (it) |
CA (1) | CA1105803A (it) |
DD (1) | DD144590A5 (it) |
DE (1) | DE2922267A1 (it) |
FR (1) | FR2437549A1 (it) |
GB (1) | GB2023744B (it) |
IT (1) | IT1121065B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980002865A1 (en) * | 1979-06-13 | 1980-12-24 | Caterpillar Tractor Co | Sequential preconditioning circuit for hydrostatic transmission |
JPS6154410A (ja) * | 1984-08-27 | 1986-03-18 | Mitsutoyo Mfg Co Ltd | 三次元測定機の安全装置 |
US4930401A (en) * | 1988-10-28 | 1990-06-05 | Ross Operating Valve Company | Valve system and arrangement for on-line valve replacement |
US5113907A (en) * | 1991-01-29 | 1992-05-19 | Ross Operating Valve Company | Dynamic self-monitoring air operating system |
EP1069323B1 (en) * | 1996-12-16 | 2003-11-12 | Ross Operating Valve Company | Cross flow with crossmirror and lock out capability valve |
US5850852A (en) * | 1996-12-16 | 1998-12-22 | Ross Operating Valve Company | Crossflow with crossmirror and lock out capability valve |
US6478049B2 (en) | 1996-12-16 | 2002-11-12 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
US6155293A (en) * | 1996-12-16 | 2000-12-05 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
US5927324A (en) * | 1996-12-16 | 1999-07-27 | Ross Operating Valve Company | Cross flow with crossmirror and lock out capability valve |
ATE352723T1 (de) | 2001-05-04 | 2007-02-15 | Ross Operating Valve Co | Steuerventilsystem |
US7114521B2 (en) * | 2003-09-03 | 2006-10-03 | Ross Operating Valve Company | Double valve constructed from unitary single valves |
US7438086B2 (en) * | 2006-02-02 | 2008-10-21 | Ross Controls | Dynamic fluid power monitoring system for separate actuators |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906246A (en) * | 1953-06-18 | 1959-09-29 | Ross Operating Valve Co | Control system for fluid actuated devices |
FR1360619A (fr) * | 1963-06-17 | 1964-05-08 | Ross Operating Valve Co | Dispositif de sécurité à soupapes mettant hors d'action un moteur à fluide sous pression en cas de mauvais fonctionnement d'une partie du circuit de commande du moteur |
US3428084A (en) * | 1967-04-04 | 1969-02-18 | Numatics Inc | Safety valve system |
US3757818A (en) * | 1971-07-26 | 1973-09-11 | Ross Operating Valve Co | Safety control valve system for fluid actuated devices |
US3858606A (en) * | 1973-08-23 | 1975-01-07 | Ross Operating Valve Co | Safety control valve system for fluid actuated devices |
-
1978
- 1978-06-23 US US05/918,599 patent/US4181148A/en not_active Expired - Lifetime
-
1979
- 1979-05-10 GB GB7916231A patent/GB2023744B/en not_active Expired
- 1979-05-29 IT IT2310779A patent/IT1121065B/it active
- 1979-05-31 DE DE19792922267 patent/DE2922267A1/de not_active Ceased
- 1979-06-12 FR FR7915038A patent/FR2437549A1/fr active Granted
- 1979-06-13 CA CA329,661A patent/CA1105803A/en not_active Expired
- 1979-06-22 JP JP54079000A patent/JPS6054548B2/ja not_active Expired
- 1979-06-22 DD DD79213843A patent/DD144590A5/de unknown
Also Published As
Publication number | Publication date |
---|---|
CA1105803A (en) | 1981-07-28 |
FR2437549B1 (it) | 1984-02-24 |
JPS6054548B2 (ja) | 1985-11-30 |
GB2023744A (en) | 1980-01-03 |
JPS556093A (en) | 1980-01-17 |
DE2922267A1 (de) | 1980-01-03 |
FR2437549A1 (fr) | 1980-04-25 |
GB2023744B (en) | 1982-06-09 |
US4181148A (en) | 1980-01-01 |
IT1121065B (it) | 1986-03-26 |
DD144590A5 (de) | 1980-10-22 |
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