IT1110103B - Valvola limitatrice di pressione di sovraccarico e anticavitazione per sistema idraulico - Google Patents

Valvola limitatrice di pressione di sovraccarico e anticavitazione per sistema idraulico

Info

Publication number: IT1110103B
Authority: IT; Italy
Prior art keywords: overload; relief valve; pressure relief; hydraulic system; cavitation pressure
Prior art date: 1978-02-17

Application number

IT1990579A

Other languages

English (en)

Other versions

IT7919905A0 (it

Original Assignee

Gen Signal Corp

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.)

1978-02-17

Filing date

1979-02-05

Publication date

1985-12-23

1979-02-05 Application filed by Gen Signal Corp filed Critical Gen Signal Corp

1979-02-05 Publication of IT7919905A0 publication Critical patent/IT7919905A0/it

1985-12-23 Application granted granted Critical

1985-12-23 Publication of IT1110103B publication Critical patent/IT1110103B/it

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
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
- Y10T137/7772—One head and seat carried by head of another
- Y10T137/7774—Supporting valve spring carried by supporting valve
- Y10T137/7775—Spring stop on supported valve stem
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
- Y10T137/7772—One head and seat carried by head of another
- Y10T137/7774—Supporting valve spring carried by supporting valve
- Y10T137/7776—Spring abuts guide for supported valve stem
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
- Y10T137/7772—One head and seat carried by head of another
- Y10T137/7777—Both valves spring biased

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Safety Valves (AREA)
Details Of Valves (AREA)

IT1990579A 1978-02-17 1979-02-05 Valvola limitatrice di pressione di sovraccarico e anticavitazione per sistema idraulico IT1110103B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/879,026 US4210170A (en)	1978-02-17	1978-02-17	Anti-cavitation and overload relief valve for a hydraulic system

Publications (2)

Publication Number	Publication Date
IT7919905A0 IT7919905A0 (it)	1979-02-05
IT1110103B true IT1110103B (it)	1985-12-23

Family

ID=25373284

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT1990579A IT1110103B (it)	1978-02-17	1979-02-05	Valvola limitatrice di pressione di sovraccarico e anticavitazione per sistema idraulico

Country Status (7)

Country	Link
US (2)	US4210170A (it)
JP (1)	JPS54117941A (it)
DE (1)	DE2904403A1 (it)
FR (1)	FR2417699A1 (it)
GB (1)	GB2014698B (it)
IT (1)	IT1110103B (it)
SE (1)	SE440125B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2945911A1 (de) *	1979-11-14	1981-05-27	Robert Bosch Gmbh, 7000 Stuttgart	Als druckbegrenzungs- und nachsaugventil arbeitendes, direkt gesteuertes sperrventil
US4438831A (en) *	1980-01-07	1984-03-27	Westinghouse Electric Corp.	Elevator system
FR2512160B1 (fr) *	1981-09-02	1985-12-13	Commercial Shearing	Ensemble a valve de commande de pompe et valve de surete
US4664017A (en) *	1984-03-19	1987-05-12	General Signal Corporation	Hydraulic control system and valve
ES2016909A6 (es) *	1989-10-19	1990-12-01	Bendix Espana	Valvula de descarga direccional.
FR2699609B1 (fr) *	1992-12-22	1995-02-10	Hydromo	Procédé et dispositif pour la mise en mouvement ou l'arrêt d'un moteur hydraulique entraînant un ensemble présentant une grande inertie.
US5378118A (en) *	1993-08-12	1995-01-03	Trw Inc.	Cartridge assembly with orifice providing pressure differential
US6474359B1 (en) *	2000-03-08	2002-11-05	National Coupling Company, Inc.	Undersea hydraulic coupling member
US6986363B1 (en)	2002-04-03	2006-01-17	Hydro-Gear Limited Partnership	Valve assembly for use in a hydraulic component
US6691512B1 (en)	2002-04-03	2004-02-17	Hydro-Gear Limited Partnership	Hydraulic transmission with combination check valve and pressure release valve
US6719005B1 (en) *	2002-04-03	2004-04-13	Hydro-Gear, Limited Partnership	Combination check valve and pressure release valve
US7066199B1 (en)	2002-04-03	2006-06-27	Hydro-Gear Limited Partnership	Valve assembly
US6964280B1 (en) *	2002-04-03	2005-11-15	Hydro-Gear Limited Partnership	Valve assembly for use in a hydraulic component
US6761182B1 (en) *	2002-04-03	2004-07-13	Hydro-Gear Limited Partnership	Method for configuration of a valve
US7320334B1 (en)	2002-04-03	2008-01-22	Hydro-Gear Limited Partnership	Valve Assembly
US6910502B2 (en) *	2003-04-01	2005-06-28	Sauer-Danfoss, Inc.	Decoupled check-relief valve
US7028708B1 (en)	2003-05-09	2006-04-18	Hydro-Gear Limited Partnership	Combined check valve and pressure relief valve
US7392823B2 (en) *	2004-12-01	2008-07-01	Parker-Hannifin Corporation	Combination valve
US7296594B1 (en)	2005-03-22	2007-11-20	Hydro-Gear Limited Partnership	Combination check valve and neutral valve assembly for use in a hydraulic component
US7178787B2 (en) *	2005-05-05	2007-02-20	Trw Automotive U.S. Llc	Valve assembly
US7451780B1 (en)	2005-05-16	2008-11-18	Hydro-Gear Limited Partnership	Multifunction valve for use in a hydraulic component
CN102878132A (zh) *	2011-07-12	2013-01-16	上海立新液压有限公司	叠加式泵用阀
ITBO20110599A1 (it) *	2011-10-21	2013-04-22	S T S R L	Valvola oleo-idraulica
JP6284469B2 (ja) *	2014-12-03	2018-02-28	株式会社クボタ	油圧回路
US10753493B2 (en) *	2018-03-29	2020-08-25	Hamilton Sunstrand Corporation	Valve with segmented spring guide assembly
US11384857B1 (en) *	2021-07-02	2022-07-12	Sun Hydraulics, Llc	Bidirectional pressure relief valve

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US115982A (en) *		1871-06-13		Improvement in combined pressure and vacuum valves
US3125117A (en) *		1964-03-17		borgard
US1326124A (en) *		1919-12-23		Alfred vischer
DE37793C (de) *			C. H. WEISBACH in Chemnitz i. S., Mauerstr. 1	Luftventil in Sicherheitsventilen
US977736A (en) *	1910-07-09	1910-12-06	Louis Hanson Company	Hydraulic chair.
US1229885A (en) *	1917-03-14	1917-06-12	Richard U Chadwick	Combined discharge and vacuum valve.
US2393589A (en) *	1943-10-09	1946-01-29	Pesco Products Co	Relief valve
GB954937A (en) *	1961-11-01	1964-04-08	Horstmann & Sherwen Ltd	Improvements in or relating to fluid pressure relief valves
BE630417A (it) *	1961-11-17	1900-01-01
US3112763A (en) *	1962-04-12	1963-12-03	Hydraulic Unit Specialities Co	Combined high pressure relief and void control valve
US3164166A (en) *	1962-06-14	1965-01-05	Hydraulic Unit Specialities Co	Pilot operated pressure and vacuum relief valve
SE328778B (it) *	1968-07-11	1970-09-21	Monsun Tison Ab
US3604450A (en) *	1969-01-21	1971-09-14	Fruehauf Corp	Valve construction
US3727636A (en) *	1971-01-25	1973-04-17	Parker Hannifin Corp	Flow control valve for fuel injection nozzle
US3699999A (en) *	1971-03-08	1972-10-24	Gpe Controls Inc	Vertical jet breather valve
US3971046A (en) *	1973-07-02	1976-07-20	Asahi Kogaku Kogyo Kabushiki Kaisha	Systems for responding to non-uniform scene brightness
US3939866A (en) *	1974-01-21	1976-02-24	Com. E. Ira, S.R.C.	Fuel saving device

1978
- 1978-02-17 US US05/879,026 patent/US4210170A/en not_active Expired - Lifetime
1979
- 1979-01-11 GB GB7901127A patent/GB2014698B/en not_active Expired
- 1979-01-30 FR FR7902823A patent/FR2417699A1/fr active Granted
- 1979-02-05 IT IT1990579A patent/IT1110103B/it active
- 1979-02-06 DE DE19792904403 patent/DE2904403A1/de active Granted
- 1979-02-13 JP JP1537979A patent/JPS54117941A/ja active Granted
- 1979-02-15 SE SE7901345A patent/SE440125B/sv unknown
1980
- 1980-01-31 US US06/117,408 patent/US4300591A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US4300591A (en)	1981-11-17
US4210170A (en)	1980-07-01
GB2014698B (en)	1982-03-24
JPS54117941A (en)	1979-09-13
IT7919905A0 (it)	1979-02-05
FR2417699B1 (it)	1983-10-14
DE2904403C2 (it)	1988-05-26
SE440125B (sv)	1985-07-15
JPS6143591B2 (it)	1986-09-29
DE2904403A1 (de)	1979-08-23
FR2417699A1 (fr)	1979-09-14
GB2014698A (en)	1979-08-30
SE7901345L (sv)	1979-08-18

Publication	Publication Date	Title
IT1110103B (it)	1985-12-23	Valvola limitatrice di pressione di sovraccarico e anticavitazione per sistema idraulico
IT8224518A0 (it)	1982-11-30	Dispositivo limitatore di pressione frangibile.
IT1141474B (it)	1986-10-01	Valvola proporzionale per impianti idraulici
IT8521701A0 (it)	1985-07-24	Controllo di assistenza di funzione per valvola limitatrice dipressione.
PL212963A1 (pl)	1979-12-17	Zawor nadcisnieniowy do hydraulicznego stojaka
FR2483561B1 (fr)	1986-05-09	Clapet detenteur de pression hydraulique
BR8001455A (pt)	1980-11-11	Valvula hidraulica
IT1122464B (it)	1986-04-23	Dispositivo di valvola limitatrice di pressione
BR8202849A (pt)	1983-04-26	Sistema hidraulico e sistema eletro-hidraulico
IT1134211B (it)	1986-08-13	Valvola di sbarramento a comando diretto ed operante come valvola limitatrice di pressione e valvola di post-aspirazione
IT8222288A0 (it)	1982-07-07	Valvola idraulica di sicurezza e di frenatura.
DK501383D0 (da)	1983-11-01	Hydraulisk anlaeg til traktor eller lignende
DE2919078A1 (de)	1979-11-15	Hydraulische druck-steuerventilanordnung
BR8102214A (pt)	1981-11-24	Sistema hidraulico de alta pressao
IT7923757A0 (it)	1979-06-21	Limitatore di pressione per servofreno idraulico.
IT7922439A0 (it)	1979-05-08	Servofreno idraulico e valvola di scarico per esso.
NO872525D0 (no)	1987-06-17	Hydraulisk proporsjonaltrykkventil.
ATE12374T1 (de)	1985-04-15	Hydraulik-lenkzylinder.
BR8207135A (pt)	1983-10-11	Valvula hidraulica
IT8219067A0 (it)	1982-01-12	Apparecchiatura di scarico dipressione.
DK231379A (da)	1979-12-02	Fluidtrykaflastningsventil
IT1116085B (it)	1986-02-10	Impianto-servosterzo con valvola limitatrice di pressione
IT7830754V0 (it)	1978-06-21	Valvola di sicurezza per accumulatori idraulici.
DE3576392D1 (de)	1990-04-12	Hydraulische druckregelvorrichtung.
BR8101527A (pt)	1981-08-04	Valvula limitadora do curso da haste de cilindros hidraulicos