IT1123817B - Valvola di sicurezza caricata da molla - Google Patents

Valvola di sicurezza caricata da molla

Info

Publication number: IT1123817B
Authority: IT; Italy
Prior art keywords: spring; safety valve; valve loaded; loaded; safety
Prior art date: 1979-06-30

Application number

IT26426/79A

Other languages

English (en)

Other versions

IT7926426A0 (it

Inventor

Herbert Richter

Karl Schaaf

Original Assignee

Bopp & Reuther Gmbh

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.)

1979-06-30

Filing date

1979-10-11

Publication date

1986-04-30

1979-10-11 Application filed by Bopp & Reuther Gmbh filed Critical Bopp & Reuther Gmbh

1979-10-11 Publication of IT7926426A0 publication Critical patent/IT7926426A0/it

1986-04-30 Application granted granted Critical

1986-04-30 Publication of IT1123817B publication Critical patent/IT1123817B/it

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
- 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
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
- F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
- 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7764—Choked or throttled pressure type
- 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
- Y10T137/777—Spring biased

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Safety Valves (AREA)

IT26426/79A 1979-06-30 1979-10-11 Valvola di sicurezza caricata da molla IT1123817B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2926522A DE2926522C2 (de)	1979-06-30	1979-06-30	Federbelastetes Sicherheitsventil

Publications (2)

Publication Number	Publication Date
IT7926426A0 IT7926426A0 (it)	1979-10-11
IT1123817B true IT1123817B (it)	1986-04-30

Family

ID=6074628

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT26426/79A IT1123817B (it)	1979-06-30	1979-10-11	Valvola di sicurezza caricata da molla

Country Status (10)

Country	Link
US (1)	US4362183A (it)
JP (1)	JPS5610867A (it)
AT (1)	AT382219B (it)
DE (1)	DE2926522C2 (it)
ES (1)	ES485132A1 (it)
FR (1)	FR2460433A1 (it)
GB (1)	GB2052802B (it)
IT (1)	IT1123817B (it)
NL (1)	NL7907152A (it)
SE (1)	SE438367B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT405675B (de) *	1996-06-26	1999-10-25	Hygrama Ag	Vorrichtung zur begrenzung der vorspannung einer regelfeder
US5890508A (en) *	1996-08-15	1999-04-06	Flow-Safe, Inc.	Main relief valve for safety relief system
WO1998008015A1 (en) *	1996-08-23	1998-02-26	Flow Safe, Inc.	Pilot operated safety relief valve
US5842501A (en) *	1996-08-23	1998-12-01	Flow Safe, Inc.	Pilot operated safety relief valve
CN1098431C (zh) *	1997-10-13	2003-01-08	赵文轩	新型无泄漏安全阀
EP1108934A1 (fr) *	1999-12-16	2001-06-20	Techspace Aero S.A.	Actionneur d'une soupape de sécurité
US9708872B2 (en)	2013-06-19	2017-07-18	Wwt North America Holdings, Inc	Clean out sub

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3077898A (en) *	1959-01-28	1963-02-19	Racine Hydraulics And Machiner	Fluid relief valve
DE1650613B2 (de) *	1967-11-04	1972-09-21	Carl Herbert Zikesch GmbH, 4230 Wesel	Sicherheisventil mit zusatzbelastung
DE1675485B1 (de) *	1968-03-02	1970-09-24	Bopp & Reuther Gmbh	Sicherheitsventil mit Zusatzbelastung
US3512549A (en) *	1968-10-15	1970-05-19	Charles W Wiegand	Pilot operated relief valve
US3865132A (en) *	1973-08-17	1975-02-11	Charles W Wiegand	Pilot operated relief valve

1979
- 1979-06-30 DE DE2926522A patent/DE2926522C2/de not_active Expired
- 1979-09-21 AT AT0622079A patent/AT382219B/de not_active IP Right Cessation
- 1979-09-26 NL NL7907152A patent/NL7907152A/nl not_active Application Discontinuation
- 1979-10-02 GB GB7934089A patent/GB2052802B/en not_active Expired
- 1979-10-11 IT IT26426/79A patent/IT1123817B/it active
- 1979-10-17 ES ES485132A patent/ES485132A1/es not_active Expired
- 1979-10-25 SE SE7908825A patent/SE438367B/sv not_active IP Right Cessation
- 1979-11-13 FR FR7928405A patent/FR2460433A1/fr active Granted
- 1979-11-15 JP JP14715979A patent/JPS5610867A/ja active Pending
1980
- 1980-06-23 US US06/162,397 patent/US4362183A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE2926522A1 (de)	1981-01-08
ES485132A1 (es)	1980-05-16
DE2926522C2 (de)	1983-10-06
US4362183A (en)	1982-12-07
GB2052802B (en)	1983-01-06
FR2460433B1 (it)	1985-02-08
JPS5610867A (en)	1981-02-03
NL7907152A (nl)	1981-01-05
GB2052802A (en)	1981-01-28
SE438367B (sv)	1985-04-15
ATA622079A (de)	1986-06-15
SE7908825L (sv)	1980-12-31
AT382219B (de)	1987-01-26
IT7926426A0 (it)	1979-10-11
FR2460433A1 (fr)	1981-01-23

Publication	Publication Date	Title
IT8024297A0 (it)	1980-08-26	Valvola di ritenuta.
FR2453340B1 (fr)	1985-06-14	Structure de soupape de retenue
IT1066269B (it)	1985-03-04	Valvola di ritegno
IT7830520A0 (it)	1978-12-04	Valvola di sicurezza.
IT1066564B (it)	1985-03-12	Valvola di ritegno
BR8005689A (pt)	1981-03-17	Valvula de seguranca dupla
FI791247A7 (fi)	1980-10-19	Slidventil
ES497073A0 (es)	1981-10-01	Bomba con valvula de resorte
NL185683C (nl)	1990-06-18	Schuifafsluiter.
IT1125949B (it)	1986-05-14	Molla pneumatica
ES497684A0 (es)	1982-02-01	Valvula de retencion mecano-accionada
IT1123817B (it)	1986-04-30	Valvola di sicurezza caricata da molla
IT1130913B (it)	1986-06-18	Valvola di ritegno
IT1097054B (it)	1985-08-26	Valvola di sicurezza caricata da molla
BE886699A (fr)	1981-06-16	Clapet anti-retour
FI800612A7 (fi)	1981-01-01	Liukuventtiili.
IT1127985B (it)	1986-05-28	Valvola di ritegno
FR2466800B1 (fr)	1985-08-16	Soupape
NO802336L (no)	1981-03-16	Neddykkbar sikkerhetsventil.
IT1128598B (it)	1986-05-28	Valvola di sicurezza
IT1072497B (it)	1985-04-10	Valvola di sicurezza
DK4879A (da)	1980-07-06	Skydeventil
FI791270A7 (fi)	1980-10-20	Vridspjaellventil
NL168314C (nl)	1982-03-16	Terugslagklep.
BR7905525A (pt)	1981-03-04	Valvula de retencao de gasolina