ZA929447B - By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network. - Google Patents

By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network.

Info

Publication number
ZA929447B
ZA929447B ZA929447A ZA929447A ZA929447B ZA 929447 B ZA929447 B ZA 929447B ZA 929447 A ZA929447 A ZA 929447A ZA 929447 A ZA929447 A ZA 929447A ZA 929447 B ZA929447 B ZA 929447B
Authority
ZA
South Africa
Prior art keywords
controlling
pilot valve
return flow
valve connected
pass arrangement
Prior art date
Application number
ZA929447A
Other languages
English (en)
Inventor
Adamo Gazzoni
Original Assignee
Enichem Agricoltura 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 Enichem Agricoltura Spa filed Critical Enichem Agricoltura Spa
Publication of ZA929447B publication Critical patent/ZA929447B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/165—Cyclic operations, timing systems, timing valves, impulse operations
    • 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
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86389—Programmer or timer
    • Y10T137/86405—Repeating cycle
    • Y10T137/86413—Self-cycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Nozzles (AREA)
  • Catching Or Destruction (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Driven Valves (AREA)
  • Pipeline Systems (AREA)
  • Multiple-Way Valves (AREA)
ZA929447A 1991-12-04 1992-12-04 By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network. ZA929447B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI913251A IT1252631B (it) 1991-12-04 1991-12-04 By-pass regolante la portata di ritorno di una valvola pilota inserita in una rete di irrigazione

Publications (1)

Publication Number Publication Date
ZA929447B true ZA929447B (en) 1993-06-02

Family

ID=11361256

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA929447A ZA929447B (en) 1991-12-04 1992-12-04 By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network.

Country Status (12)

Country Link
US (1) US5366155A (xx)
EP (1) EP0545495B1 (xx)
JP (1) JPH07189234A (xx)
AU (1) AU665593B2 (xx)
ES (1) ES2109978T3 (xx)
GR (1) GR3025663T3 (xx)
IL (1) IL103982A (xx)
IT (1) IT1252631B (xx)
MA (1) MA22727A1 (xx)
NZ (1) NZ245372A (xx)
TN (1) TNSN92110A1 (xx)
ZA (1) ZA929447B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080087749A1 (en) * 2006-10-10 2008-04-17 Rodney Ruskin Irrigation flushing system
CN102297276B (zh) * 2011-04-12 2013-06-05 李家聪 永磁主控脉冲阀
KR102669711B1 (ko) * 2024-03-08 2024-05-28 주식회사 케이이노텍 유량 체크 물꼬 시스템

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622610A (en) * 1947-10-07 1952-12-23 Curtiss Wright Corp Flow equalizing system
US2706520A (en) * 1947-10-29 1955-04-19 Niles Bement Pond Co Fluid distributing apparatus
US3720232A (en) * 1971-04-20 1973-03-13 R Corliss Fluid pressure responsive valve controller
IT1061205B (it) * 1976-12-30 1983-02-08 Fiat Spa Impianto per irrigazione autopilotato
GB2011035B (en) * 1977-12-22 1982-12-22 Fiat Spa Fluid-pressure operated pilot valve devices
IT1223015B (it) * 1987-10-29 1990-09-12 Enichem Agricoltura Spa Dispositivo per l'erogazione pulsata di un liquido di irrigazione ed impianti di irrigazione che incorporano il dispositivo stesso
IT1251938B (it) * 1991-10-17 1995-05-27 Enichem Agricoltura Spa Dispositivo per l'erogazione pulsata di un liquido di irrigazione ed impianti di irrigazione che incorporano il dispositivo stesso

Also Published As

Publication number Publication date
EP0545495B1 (en) 1997-10-01
NZ245372A (en) 1995-04-27
ITMI913251A0 (it) 1991-12-04
JPH07189234A (ja) 1995-07-28
US5366155A (en) 1994-11-22
AU665593B2 (en) 1996-01-11
GR3025663T3 (en) 1998-03-31
ITMI913251A1 (it) 1993-06-04
ES2109978T3 (es) 1998-02-01
EP0545495A3 (en) 1994-11-23
TNSN92110A1 (fr) 1993-06-08
AU2991192A (en) 1993-06-10
EP0545495A2 (en) 1993-06-09
IL103982A (en) 1997-06-10
IT1252631B (it) 1995-06-19
MA22727A1 (fr) 1993-07-01

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