IT991987B - Perfezionamento nelle valvole a farfalla - Google Patents
Perfezionamento nelle valvole a farfallaInfo
- Publication number
- IT991987B IT991987B IT51501/73A IT5150173A IT991987B IT 991987 B IT991987 B IT 991987B IT 51501/73 A IT51501/73 A IT 51501/73A IT 5150173 A IT5150173 A IT 5150173A IT 991987 B IT991987 B IT 991987B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- butterfly valves
- butterfly
- valves
- Prior art date
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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27256172A | 1972-07-17 | 1972-07-17 | |
US00370001A US3811651A (en) | 1972-07-17 | 1973-06-14 | Bellows sealed butterfly valve |
Publications (1)
Publication Number | Publication Date |
---|---|
IT991987B true IT991987B (it) | 1975-08-30 |
Family
ID=26955599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51501/73A IT991987B (it) | 1972-07-17 | 1973-07-16 | Perfezionamento nelle valvole a farfalla |
Country Status (12)
Country | Link |
---|---|
US (1) | US3811651A (it) |
JP (1) | JPS5834712B2 (it) |
BE (1) | BE802419A (it) |
CA (1) | CA1000679A (it) |
CH (1) | CH555991A (it) |
DE (1) | DE2336009A1 (it) |
ES (1) | ES416945A1 (it) |
FR (1) | FR2193162B1 (it) |
GB (1) | GB1433918A (it) |
HK (1) | HK8577A (it) |
IT (1) | IT991987B (it) |
NL (1) | NL7309858A (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3131162A1 (de) * | 1981-08-06 | 1983-04-28 | Leybold-Heraeus GmbH, 5000 Köln | Drosselklappe mit genauer einstellung des durchflussspaltes fuer vakuumtechnische anlagen |
US4540019A (en) * | 1982-03-11 | 1985-09-10 | Kerotest Manufacturing Corp. | Bellows sealed stem for rotary valve |
US4546662A (en) * | 1982-03-11 | 1985-10-15 | Kerotest Manufacturing Corp. | Actuator mechanism for double bent bellows sealed rotary valve |
US4452426A (en) * | 1982-03-11 | 1984-06-05 | Kerotest Manufacturing Corp. | Bent bellows sealed rotary valve |
US4462422A (en) * | 1982-03-11 | 1984-07-31 | Kerotest Manufacturing Corp. | Bellows sealed stem for rotary valve |
US4468002A (en) * | 1982-03-11 | 1984-08-28 | Kerotest Manufacturing Corp. | Actuator mechanism for double bent bellows sealed rotary valve |
US4516754A (en) * | 1982-03-11 | 1985-05-14 | Kerotest Manufacturing Corp. | Bent bellows sealed rotary valve |
JPH0234107Y2 (it) * | 1986-01-13 | 1990-09-13 | ||
DE3818742A1 (de) * | 1988-06-01 | 1989-12-14 | Zeolith Tech | Leckagefreie drehdurchfuehrung |
US5090658A (en) * | 1991-01-30 | 1992-02-25 | Keystone International, Inc. | Bellows sealed rotary valve and seal assembly |
US5269492A (en) * | 1991-11-19 | 1993-12-14 | Victaulic Company Of America | Actuator for a rotary valve |
US5165657A (en) * | 1991-11-19 | 1992-11-24 | Victaulic Company Of America | Actuator for a rotary valve |
CA2137470A1 (en) * | 1992-06-10 | 1993-12-23 | John E. Cook | Internal combustion engine exhaust control valve |
CN108302206B (zh) * | 2013-12-25 | 2021-07-09 | 爱三工业株式会社 | 双偏心阀 |
DE112014006049T5 (de) * | 2013-12-25 | 2016-09-08 | Aisan Kogyo Kabushiki Kaisha | Doppelexzentrisches Ventil |
CN107448675A (zh) * | 2017-07-20 | 2017-12-08 | 神华集团有限责任公司 | 阀门 |
FR3082909B1 (fr) * | 2018-06-26 | 2020-06-12 | Faurecia Systemes D'echappement | Vanne avec un palier a billes et ligne d'echappement comprenant une telle vanne |
CN110594571B (zh) * | 2019-09-17 | 2024-05-28 | 华陆工程科技有限责任公司 | 一种带油汽回收功能的钢制浮顶用自动通气阀 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1644825A (en) * | 1922-03-31 | 1927-10-11 | Fulton Sylphon Co | Packless valve |
US2852041A (en) * | 1946-01-16 | 1958-09-16 | William J Stinson | Fluid selecting apparatus |
US2628638A (en) * | 1946-03-01 | 1953-02-17 | Newton S Herod | Flow valve control |
US2659570A (en) * | 1949-11-17 | 1953-11-17 | Bendix Aviat Corp | Valve |
FR62809E (fr) * | 1951-04-25 | 1955-06-24 | Dispositif d'entraînement mécanique sans presse-étoupe d'appareils étanches traversés par des fluides | |
US2659569A (en) * | 1951-04-27 | 1953-11-17 | A P Controls Corp | Sealed valve |
US2907548A (en) * | 1955-08-17 | 1959-10-06 | Garrett Corp | Butterfly valve construction |
FR1331405A (fr) * | 1962-04-25 | 1963-07-05 | R L Dispositifs Oleo Pneumatiq | Accouplement rotatif étanche |
FR1408365A (fr) * | 1964-07-03 | 1965-08-13 | Heurtey Sa | Palier étanche pour passage d'un arbre tournant |
JPS447983Y1 (it) * | 1965-11-30 | 1969-03-27 | ||
US3491789A (en) * | 1966-07-28 | 1970-01-27 | Nupro Co | Bellows valve |
-
1973
- 1973-06-14 US US00370001A patent/US3811651A/en not_active Expired - Lifetime
- 1973-07-13 CH CH1025373A patent/CH555991A/xx not_active IP Right Cessation
- 1973-07-13 GB GB3342373A patent/GB1433918A/en not_active Expired
- 1973-07-14 DE DE19732336009 patent/DE2336009A1/de not_active Withdrawn
- 1973-07-16 IT IT51501/73A patent/IT991987B/it active
- 1973-07-16 ES ES416945A patent/ES416945A1/es not_active Expired
- 1973-07-16 FR FR7325986A patent/FR2193162B1/fr not_active Expired
- 1973-07-16 BE BE133547A patent/BE802419A/xx not_active IP Right Cessation
- 1973-07-16 NL NL7309858A patent/NL7309858A/xx not_active Application Discontinuation
- 1973-07-17 JP JP48082379A patent/JPS5834712B2/ja not_active Expired
- 1973-07-17 CA CA176,627A patent/CA1000679A/en not_active Expired
-
1977
- 1977-02-10 HK HK85/77A patent/HK8577A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5834712B2 (ja) | 1983-07-28 |
DE2336009A1 (de) | 1974-02-07 |
FR2193162B1 (it) | 1977-02-18 |
GB1433918A (en) | 1976-04-28 |
HK8577A (en) | 1977-02-17 |
JPS4980626A (it) | 1974-08-03 |
NL7309858A (it) | 1974-01-21 |
FR2193162A1 (it) | 1974-02-15 |
CA1000679A (en) | 1976-11-30 |
CH555991A (de) | 1974-11-15 |
BE802419A (fr) | 1973-11-16 |
ES416945A1 (es) | 1976-03-16 |
US3811651A (en) | 1974-05-21 |
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