IT1243075B - Valvola di non ritorno - Google Patents

Valvola di non ritorno

Info

Publication number
IT1243075B
IT1243075B IT02164090A IT2164090A IT1243075B IT 1243075 B IT1243075 B IT 1243075B IT 02164090 A IT02164090 A IT 02164090A IT 2164090 A IT2164090 A IT 2164090A IT 1243075 B IT1243075 B IT 1243075B
Authority
IT
Italy
Prior art keywords
return valve
return
valve
Prior art date
Application number
IT02164090A
Other languages
English (en)
Other versions
IT9021640A0 (it
IT9021640A1 (it
Inventor
Marco Giacomini
Original Assignee
Sirio Spa
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.)
Filing date
Publication date
Application filed by Sirio Spa filed Critical Sirio Spa
Priority to IT02164090A priority Critical patent/IT1243075B/it
Publication of IT9021640A0 publication Critical patent/IT9021640A0/it
Priority to CA002036325A priority patent/CA2036325A1/en
Priority to US07/676,200 priority patent/US5094261A/en
Publication of IT9021640A1 publication Critical patent/IT9021640A1/it
Application granted granted Critical
Publication of IT1243075B publication Critical patent/IT1243075B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E03B9/025—Taps specially designed for outdoor use, e.g. wall hydrants, sill cocks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
    • 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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2557—Waste responsive to flow stoppage
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Lift Valve (AREA)
  • Fluid-Driven Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Combustion (AREA)
IT02164090A 1990-10-05 1990-10-05 Valvola di non ritorno IT1243075B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT02164090A IT1243075B (it) 1990-10-05 1990-10-05 Valvola di non ritorno
CA002036325A CA2036325A1 (en) 1990-10-05 1991-02-14 Non-return valve
US07/676,200 US5094261A (en) 1990-10-05 1991-03-27 Non-return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02164090A IT1243075B (it) 1990-10-05 1990-10-05 Valvola di non ritorno

Publications (3)

Publication Number Publication Date
IT9021640A0 IT9021640A0 (it) 1990-10-05
IT9021640A1 IT9021640A1 (it) 1992-04-05
IT1243075B true IT1243075B (it) 1994-05-23

Family

ID=11184727

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02164090A IT1243075B (it) 1990-10-05 1990-10-05 Valvola di non ritorno

Country Status (3)

Country Link
US (1) US5094261A (it)
CA (1) CA2036325A1 (it)
IT (1) IT1243075B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228471A (en) * 1992-05-18 1993-07-20 Hoeptner Iii Herbert W Automatic draining back flow preventer
US5217039A (en) * 1992-05-19 1993-06-08 Hoeptner Iii Herbert W Automatic draining back flow preventer for use with ground hydrant
US5355907A (en) * 1992-05-18 1994-10-18 Hoeptner Iii Herbert W Automatic draining back flow preventer for use with hydrant
US5752542A (en) * 1996-01-22 1998-05-19 Hoeptner, Iii; Herbert W. Back flow preventing adjustable valve apparatus
US7191962B2 (en) * 2000-08-22 2007-03-20 Chapin Manufacturing, Inc. Sprayer apparatus with backflow valve
US6752167B1 (en) * 2002-05-30 2004-06-22 Jay R. Smith Manufacturing Company Freeze resistant automatic draining wall hydrant with dual check vacuum breaker
EP3839155A1 (en) * 2019-12-19 2021-06-23 Altus BVBA Exterior tap with integrated safety measures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065761A (en) * 1955-09-27 1962-11-27 Renault Elastic valves for fluids under pressure
US3952766A (en) * 1974-08-13 1976-04-27 Jh Industries, Inc. Backflow preventer

Also Published As

Publication number Publication date
IT9021640A0 (it) 1990-10-05
IT9021640A1 (it) 1992-04-05
CA2036325A1 (en) 1992-04-06
US5094261A (en) 1992-03-10

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Legal Events

Date Code Title Description
0001 Granted