IT1007275B - Valvola di interruzione a depressione - Google Patents
Valvola di interruzione a depressioneInfo
- Publication number
- IT1007275B IT1007275B IT2027374A IT2027374A IT1007275B IT 1007275 B IT1007275 B IT 1007275B IT 2027374 A IT2027374 A IT 2027374A IT 2027374 A IT2027374 A IT 2027374A IT 1007275 B IT1007275 B IT 1007275B
- Authority
- IT
- Italy
- Prior art keywords
- valve
- vacuum shut
- shut
- vacuum
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
-
- 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
- Y10T137/3149—Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
- Y10T137/3185—Air vent in liquid flow line
- Y10T137/3294—Valved
- Y10T137/3331—With co-acting valve in liquid flow path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33237173A | 1973-02-14 | 1973-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1007275B true IT1007275B (it) | 1976-10-30 |
Family
ID=23297931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2027374A IT1007275B (it) | 1973-02-14 | 1974-02-08 | Valvola di interruzione a depressione |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3788342A (it) |
| JP (1) | JPS49113227A (it) |
| AU (1) | AU6540174A (it) |
| CA (1) | CA995096A (it) |
| DE (1) | DE2406025A1 (it) |
| ES (1) | ES423198A1 (it) |
| FR (1) | FR2217612B3 (it) |
| GB (1) | GB1392429A (it) |
| IT (1) | IT1007275B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3929149A (en) * | 1974-05-23 | 1975-12-30 | Robert Manufacturing Company | Backflow preventor for automatic dishwashers |
| US5404898A (en) * | 1993-08-20 | 1995-04-11 | Environmental System & Solutions, Inc. | Anti-syphon fluid control valve apparatus and method |
| US6123095A (en) * | 1998-05-12 | 2000-09-26 | Watersaver Faucet Co. | Vacuum breaker with buoyant float cup |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1342955A (en) * | 1918-04-19 | 1920-06-08 | Henry J Gebhardt | Valve |
| US3120855A (en) * | 1961-05-31 | 1964-02-11 | Hoover Ball & Bearing Co | Anti-siphon ball cock assembly |
| US3180352A (en) * | 1962-05-04 | 1965-04-27 | Water Saver Faucet Co | Anti-siphon check valve |
-
1973
- 1973-02-14 US US3788342D patent/US3788342A/en not_active Expired - Lifetime
-
1974
- 1974-02-07 GB GB567874A patent/GB1392429A/en not_active Expired
- 1974-02-08 AU AU65401/74A patent/AU6540174A/en not_active Expired
- 1974-02-08 IT IT2027374A patent/IT1007275B/it active
- 1974-02-08 DE DE19742406025 patent/DE2406025A1/de not_active Withdrawn
- 1974-02-13 CA CA192,350A patent/CA995096A/en not_active Expired
- 1974-02-13 ES ES423198A patent/ES423198A1/es not_active Expired
- 1974-02-14 JP JP1718574A patent/JPS49113227A/ja active Pending
- 1974-02-14 FR FR7404974A patent/FR2217612B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1392429A (en) | 1975-04-30 |
| CA995096A (en) | 1976-08-17 |
| ES423198A1 (es) | 1976-05-01 |
| FR2217612A1 (it) | 1974-09-06 |
| AU6540174A (en) | 1975-08-14 |
| US3788342A (en) | 1974-01-29 |
| JPS49113227A (it) | 1974-10-29 |
| DE2406025A1 (de) | 1974-08-29 |
| FR2217612B3 (it) | 1976-11-26 |
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