ITTO920574A0 - Valvola a farfalla - Google Patents
Valvola a farfallaInfo
- Publication number
- ITTO920574A0 ITTO920574A0 IT92TO574A ITTO920574A ITTO920574A0 IT TO920574 A0 ITTO920574 A0 IT TO920574A0 IT 92TO574 A IT92TO574 A IT 92TO574A IT TO920574 A ITTO920574 A IT TO920574A IT TO920574 A0 ITTO920574 A0 IT TO920574A0
- Authority
- IT
- Italy
- Prior art keywords
- throttle
- 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
- 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
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9200462U ES1020203Y (es) | 1992-02-14 | 1992-02-14 | Conexion entre elementos de una valvula de mariposa. |
ES9200464U ES1020205Y (es) | 1992-02-14 | 1992-02-14 | Valvula de mariposa. |
ES9200463U ES1020204Y (es) | 1992-02-14 | 1992-02-14 | Asiento para valvula de mariposa. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO920574A0 true ITTO920574A0 (it) | 1992-07-08 |
ITTO920574A1 ITTO920574A1 (it) | 1994-01-08 |
IT1257258B IT1257258B (it) | 1996-01-10 |
Family
ID=27240474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO920574A IT1257258B (it) | 1992-02-14 | 1992-07-08 | Valvola a farfalla. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH05240359A (it) |
BE (1) | BE1005640A6 (it) |
CA (1) | CA2078281A1 (it) |
DE (1) | DE4220455A1 (it) |
FR (1) | FR2687444A1 (it) |
IT (1) | IT1257258B (it) |
NL (1) | NL9201099A (it) |
PT (1) | PT8610U (it) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH293762A (de) * | 1951-08-03 | 1953-10-15 | Frei Karl | Drosselvorrichtung an einer Flüssigkeitsleitung. |
GB2209578B (en) * | 1987-09-05 | 1991-08-14 | Hattersley Heaton Ltd | A connection |
GB2209580B (en) * | 1987-09-05 | 1992-03-04 | Hattersley Heaton Ltd | A butterfly valve |
GB8819741D0 (en) * | 1988-08-19 | 1988-09-21 | Hattersley Heaton Ltd | Seat for butterfly valve |
-
1992
- 1992-06-17 FR FR9207365A patent/FR2687444A1/fr not_active Withdrawn
- 1992-06-22 NL NL9201099A patent/NL9201099A/nl not_active Application Discontinuation
- 1992-06-23 DE DE4220455A patent/DE4220455A1/de not_active Withdrawn
- 1992-07-08 IT ITTO920574A patent/IT1257258B/it active IP Right Grant
- 1992-07-10 JP JP4183316A patent/JPH05240359A/ja active Pending
- 1992-08-06 BE BE9200702A patent/BE1005640A6/fr not_active IP Right Cessation
- 1992-09-15 CA CA002078281A patent/CA2078281A1/en not_active Abandoned
- 1992-10-13 PT PT8610U patent/PT8610U/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2687444A1 (fr) | 1993-08-20 |
BE1005640A6 (fr) | 1993-11-30 |
PT8610U (pt) | 1995-12-29 |
DE4220455A1 (de) | 1993-08-19 |
NL9201099A (nl) | 1993-09-01 |
IT1257258B (it) | 1996-01-10 |
CA2078281A1 (en) | 1993-08-15 |
PT8610T (pt) | 1993-08-31 |
JPH05240359A (ja) | 1993-09-17 |
ITTO920574A1 (it) | 1994-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |